FPUS55 KBOI 202031 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 130 PM MST Fri Feb 20 2026 Spot temperatures are for tonight, Saturday, Saturday night, and Sunday. IDZ011-210400- West Central Mountains- 130 PM MST Fri Feb 20 2026 .TONIGHT...Mostly cloudy. Patchy fog. Lows 7 to 18. .SATURDAY...Mostly sunny. Highs 30 to 40. .SATURDAY NIGHT...Mostly cloudy. Not as cold with lows 17 to 26. .SUNDAY...Sunny. Highs 38 to 48. .SUNDAY NIGHT...Increasing clouds. Lows 25 to 33. .MONDAY...Mostly cloudy with a chance of snow, mixed with rain in the afternoon. Chance of precipitation 40 percent. Highs 36 to 46. .MONDAY NIGHT...Rain and snow. Patchy fog after midnight. Chance of precipitation 90 percent. Moderate snow accumulations possible. Lows 28 to 38. .TUESDAY...Rain and snow. Patchy fog. Snow heavy at times in the morning. Chance of precipitation near 100 percent. Heavy snow accumulations possible. Highs 33 to 43. .TUESDAY NIGHT...Rain and snow in the evening, then snow likely after midnight. Areas of fog. Chance of precipitation 80 percent. Light snow accumulations possible. Colder with lows 18 to 29. .WEDNESDAY...Areas of fog in the morning. Partly cloudy with a 40 percent chance of snow. Highs 31 to 41. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Patchy fog. Lows 15 to 26. .THURSDAY...Patchy fog in the morning. Partly cloudy with a slight chance of snow, mixed with rain in the afternoon. Chance of precipitation 20 percent. Highs 34 to 44. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of rain and snow. Patchy fog through the day. Chance of precipitation 30 percent. Lows 19 to 31. Highs 35 to 46. && TEMPERATURE McCall 7 34 17 42 $$ = IDZ013-210400- Boise Mountains- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 2 to 17. .SATURDAY...Mostly sunny. Not as cold with highs 32 to 45. .SATURDAY NIGHT...Mostly cloudy. Not as cold with lows 12 to 27. .SUNDAY...Sunny. Highs 40 to 53. .SUNDAY NIGHT...Increasing clouds. Lows 19 to 34. .MONDAY...Partly sunny in the morning, then becoming mostly cloudy. A slight chance of snow. A slight chance of rain in the afternoon. Chance of precipitation 20 percent. Highs 39 to 52. .MONDAY NIGHT...Rain and snow, mainly after midnight. Patchy fog after midnight. Chance of precipitation 80 percent. Moderate snow accumulations possible. Lows 25 to 40. .TUESDAY...Rain, snow. Areas of fog. Snow heavy at times in the morning. Chance of precipitation near 100 percent. Heavy snow accumulations possible. Highs 34 to 48. .TUESDAY NIGHT...Rain and snow, mainly in the evening. Areas of fog. Chance of precipitation 80 percent. Moderate snow accumulations possible. Lows 16 to 31. .WEDNESDAY...Partly sunny. Areas of fog in the morning. A chance of snow, mainly in the morning. Chance of snow 30 percent. Highs 32 to 46. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Patchy fog after midnight. Lows 12 to 27. .THURSDAY...Patchy fog in the morning. Partly cloudy with a slight chance of snow, mixed with rain in the afternoon. Chance of precipitation 20 percent. Highs 37 to 50. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of rain and snow. Chance of precipitation 30 percent. Lows 18 to 33. Highs 38 to 52. && TEMPERATURE Idaho City 14 43 21 51 $$ = IDZ028-210400- Camas Prairie- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 8 to 13. West winds 10 to 15 mph this evening, becoming light after midnight. .SATURDAY...Mostly sunny. Highs 34 to 39. East winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 18 to 23. East winds 10 to 15 mph. .SUNDAY...Sunny. Highs 42 to 47. East winds around 10 mph with gusts to 20 mph. .SUNDAY NIGHT...Partly cloudy. Lows 22 to 27. Northeast winds around 10 mph. .MONDAY...Partly sunny. Highs 44 to 49. .MONDAY NIGHT...A chance of rain and snow in the evening, then rain likely after midnight. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 30 to 35. .TUESDAY...Rain. Chance of rain 90 percent. Highs 40 to 45. .TUESDAY NIGHT...Rain and snow, mainly in the evening. Chance of precipitation 80 percent. Little snow accumulation expected. Lows 23 to 28. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs 38 to 43. Lows 19 to 24. Breezy. .THURSDAY THROUGH FRIDAY...Mostly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 42 to 50. Lows 24 to 29. Breezy. && TEMPERATURE Fairfield 9 37 18 44 $$ = IDZ033-210400- Upper Weiser River- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 19 to 24. East winds up to 10 mph. .SATURDAY...Partly sunny. Highs 40 to 45. Southeast winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 25 to 30. Northeast winds up to 10 mph. .SUNDAY...Sunny. Highs 48 to 53. Southeast winds up to 10 mph. Gusts to 20 mph in the afternoon. .SUNDAY NIGHT...Increasing clouds. Lows 31 to 36. South winds up to 10 mph. .MONDAY...Mostly cloudy with a 30 percent chance of rain. Highs 45 to 50. .MONDAY NIGHT...Rain, mainly after midnight. Chance of rain 80 percent. Lows 36 to 41. .TUESDAY...Rain. Chance of rain near 100 percent. Highs 44 to 49. .TUESDAY NIGHT...Rain and snow likely, mainly in the evening. Patchy fog after midnight. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 27 to 32. .WEDNESDAY...Partly sunny. Patchy fog in the morning. A chance of rain and snow, mainly in the morning. Chance of precipitation 30 percent. Highs 44 to 49. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Lows 26 to 35. Highs 45 to 52. && TEMPERATURE Council 19 42 27 49 Cambridge 21 44 27 52 $$ = ORZ064-210400- Oregon Lower Treasure Valley- 130 PM MST Fri Feb 20 2026 /1230 PM PST Fri Feb 20 2026/ .TONIGHT...Increasing clouds. Lows 23 to 28. East winds around 10 mph. .SATURDAY...Mostly sunny in the morning, then becoming mostly cloudy. Highs 46 to 51. Southeast winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 29 to 34. Southeast winds 10 to 15 mph. .SUNDAY...Sunny. Highs 55 to 60. Southeast winds up to 10 mph with gusts to 20 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 33 to 38. South winds around 10 mph with gusts to 20 mph. .MONDAY...Mostly cloudy. A slight chance of rain in the afternoon. Chance of rain 20 percent. Highs 51 to 56. .MONDAY NIGHT...Rain likely, mainly after midnight. Chance of rain 60 percent. Lows 38 to 43. .TUESDAY...Rain. Chance of rain 80 percent. Highs 51 to 56. .TUESDAY NIGHT...Mostly cloudy with a chance of rain in the evening, then partly cloudy with a slight chance of rain and snow after midnight. Chance of precipitation 40 percent. Lows 31 to 36. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 50 to 55. Lows 29 to 34. .THURSDAY...Partly cloudy. A slight chance of rain in the afternoon. Chance of rain 20 percent. Highs 51 to 56. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows 31 to 36. .FRIDAY...Partly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 53 to 58. && TEMPERATURE Ontario 25 50 33 58 $$ = IDZ012-210400- Lower Treasure Valley- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 23 to 28. East winds up to 10 mph. .SATURDAY...Mostly sunny in the morning, then becoming mostly cloudy. Highs 46 to 51. Breezy. Southeast winds 10 to 20 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 30 to 35. Breezy. Southeast winds 10 to 20 mph. .SUNDAY...Sunny. Highs 54 to 59. Breezy. Southeast winds 10 to 20 mph with gusts to 30 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 34 to 39. Southeast winds 10 to 15 mph. Gusts to 25 mph in the evening. .MONDAY...Mostly cloudy. A slight chance of rain in the afternoon. Chance of rain 20 percent. Highs 52 to 57. .MONDAY NIGHT...Rain likely, mainly after midnight. Chance of rain 70 percent. Lows 39 to 44. .TUESDAY...Rain. Chance of rain 90 percent. Highs 51 to 56. .TUESDAY NIGHT...Rain likely in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 31 to 36. .WEDNESDAY...Partly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 49 to 54. .WEDNESDAY NIGHT...Partly cloudy. Lows 29 to 34. .THURSDAY...Partly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 53 to 58. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows 33 to 38. .FRIDAY...Partly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 54 to 59. && TEMPERATURE Caldwell 25 50 33 58 $$ = IDZ014-210400- Upper Treasure Valley- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 22 to 27. East winds 10 to 15 mph. .SATURDAY...Mostly sunny. Highs 45 to 50. Windy. East winds 15 to 25 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 29 to 34. Breezy. East winds 10 to 20 mph with gusts to 30 mph. .SUNDAY...Sunny. Highs 54 to 59. Windy. Southeast winds 15 to 25 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 32 to 37. Southeast winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Increasing clouds. Highs 54 to 59. Breezy. .MONDAY NIGHT...Cloudy. A chance of rain, mainly after midnight. Chance of rain 30 percent. Lows 39 to 44. .TUESDAY...Rain. Chance of rain 80 percent. Highs 51 to 56. .TUESDAY NIGHT...Rain likely in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 32 to 37. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain and snow. Chance of precipitation 20 percent. Highs 49 to 54. Lows 29 to 34. .THURSDAY...Mostly sunny. Highs 54 to 59. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows 32 to 37. .FRIDAY...Partly cloudy. A slight chance of rain in the morning. Chance of rain 20 percent. Highs 56 to 61. && TEMPERATURE Boise 27 49 32 57 Mountain Home 24 48 31 56 $$ = IDZ016-210400- Western Magic Valley- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 18 to 23. Southwest winds 10 to 15 mph this evening, shifting to east after midnight. .SATURDAY...Sunny in the morning, then becoming partly sunny. Highs 42 to 47. Brisk. East winds 10 to 20 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 24 to 31. Breezy. East winds 10 to 20 mph with gusts to 30 mph. .SUNDAY...Sunny. Highs 50 to 55. Breezy. East winds 10 to 20 mph with gusts to 30 mph. .SUNDAY NIGHT...Increasing clouds. Lows 28 to 33. East winds 10 to 15 mph. .MONDAY...Partly sunny. Highs 52 to 57. .MONDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Chance of rain 30 percent. Lows 35 to 40. .TUESDAY...Rain. Chance of rain 80 percent. Highs 49 to 54. .TUESDAY NIGHT...Rain likely in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 32 to 37. .WEDNESDAY AND WEDNESDAY NIGHT...Decreasing clouds. A slight chance of rain and snow. Chance of precipitation 20 percent. Highs 45 to 50. Lows 29 to 34. Breezy. .THURSDAY...Mostly sunny. Highs 51 to 56. .THURSDAY NIGHT...Mostly cloudy with a slight chance of rain, mixed with snow after midnight. Chance of precipitation 20 percent. Lows 33 to 38. .FRIDAY...Mostly sunny. Highs 53 to 58. Breezy. && TEMPERATURE Jerome 20 42 27 50 Twin Falls 18 43 24 51 $$ = IDZ029-210400- Owyhee Mountains- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 18 to 25. .SATURDAY...Mostly sunny in the morning, then becoming mostly cloudy. Not as cold with highs 41 to 46. Breezy. .SATURDAY NIGHT...Mostly cloudy. Lows 26 to 32. Breezy. .SUNDAY...Sunny. Highs 50 to 55. .SUNDAY NIGHT...Mostly cloudy. Lows 32 to 37. .MONDAY...Mostly cloudy. Highs 50 to 55. .MONDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening, then a chance of rain and snow after midnight. Chance of precipitation 50 percent. Lows 37 to 42. .TUESDAY...Rain. Chance of rain 90 percent. Highs 48 to 53. Breezy. .TUESDAY NIGHT...Rain and snow likely, mainly in the evening. Chance of precipitation 70 percent. Little snow accumulation expected. Lows 29 to 34. .WEDNESDAY...Partly cloudy. A chance of snow, mainly in the morning. Chance of snow 30 percent. Highs 44 to 49. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 28 to 33. .THURSDAY THROUGH FRIDAY...Mostly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 49 to 56. Lows 32 to 37. Breezy. $$ = IDZ015-210400- Southwest Highlands- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 14 to 21. .SATURDAY...Mostly sunny. Highs 39 to 46. .SATURDAY NIGHT...Mostly cloudy. Lows 23 to 28. .SUNDAY...Sunny. Highs 48 to 55. .SUNDAY NIGHT...Mostly cloudy. Lows 27 to 32. .MONDAY...Decreasing clouds. Highs 51 to 57. .MONDAY NIGHT...Mostly cloudy. A chance of rain, mainly after midnight. Chance of rain 30 percent. Lows 36 to 41. .TUESDAY...Rain. Chance of rain 80 percent. Highs 48 to 54. Windy. .TUESDAY NIGHT...Rain and snow. Chance of precipitation 80 percent. Little snow accumulation expected. Lows 30 to 35. Breezy. .WEDNESDAY...Partly cloudy. A chance of rain and snow, mainly in the morning. Chance of precipitation 30 percent. Highs 45 to 50. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Lows 27 to 36. Highs 51 to 56. Breezy. .FRIDAY...Partly cloudy. A slight chance of rain and snow in the morning. Chance of precipitation 20 percent. Highs 53 to 58. Breezy. $$ = IDZ030-210400- Southern Twin Falls County- 130 PM MST Fri Feb 20 2026 .TONIGHT...Increasing clouds. Lows 14 to 19. Brisk. .SATURDAY...Sunny in the morning, then becoming partly sunny. Highs 37 to 43. Brisk. .SATURDAY NIGHT...Decreasing clouds. Lows 23 to 28. Brisk. .SUNDAY...Sunny. Not as cool with highs 46 to 52. Breezy. .SUNDAY NIGHT...Mostly cloudy. Lows 28 to 33. .MONDAY...Partly sunny. Highs 52 to 57. .MONDAY NIGHT...Mostly cloudy. A slight chance of rain after midnight. Chance of rain 20 percent. Lows 37 to 42. .TUESDAY...Rain. Chance of rain 80 percent. Highs 50 to 55. .TUESDAY NIGHT...Rain and snow likely. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 32 to 37. .WEDNESDAY...Mostly cloudy with a chance of rain and snow in the morning, then partly cloudy with a slight chance of snow in the afternoon. Chance of precipitation 30 percent. Highs 44 to 49. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 28 to 33. .THURSDAY...Partly cloudy with a slight chance of snow, mixed with rain in the afternoon. Chance of precipitation 20 percent. Highs 51 to 56. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 33 to 38. Highs 53 to 58. Breezy. $$ = ORZ062-210400- Baker County- 1230 PM PST Fri Feb 20 2026 .TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows 18 to 25. Southeast winds up to 10 mph. .SATURDAY...Increasing clouds. Highs 35 to 44. Brisk. Southeast winds 10 to 20 mph with gusts to 30 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 23 to 31. Breezy. Southeast winds 10 to 20 mph. .SUNDAY...Partly cloudy. A slight chance of snow in the afternoon. Chance of snow 20 percent. Highs 45 to 51. Breezy. Southeast winds 10 to 20 mph. Gusts to 30 mph in the afternoon. .SUNDAY NIGHT...Mostly cloudy with a slight chance of rain. A chance of snow, mainly after midnight. Chance of precipitation 30 percent. Lows 30 to 36. Breezy. Southeast winds 10 to 20 mph. Gusts to 30 mph in the evening. .MONDAY...Patchy fog in the morning. Mostly cloudy with a chance of rain and snow. Chance of precipitation 40 percent. Highs 44 to 49. .MONDAY NIGHT...Rain likely in the evening, then rain and snow after midnight. Patchy fog after midnight. Chance of precipitation 80 percent. Light snow accumulations possible. Lows 33 to 40. .TUESDAY...Rain and snow. Areas of fog in the morning. Patchy fog in the afternoon. Chance of precipitation 90 percent. Light snow accumulations possible. Highs 43 to 49. .TUESDAY NIGHT...Rain and snow likely, mainly in the evening. Patchy fog after midnight. Chance of precipitation 60 percent. Little snow accumulation expected. Colder with lows 24 to 30. .WEDNESDAY...Patchy fog in the morning. Partly cloudy with a chance of snow. A slight chance of rain in the afternoon. Chance of precipitation 30 percent. Highs 41 to 48. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of snow. Lows 22 to 29. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A slight chance of rain and snow. Chance of precipitation 20 percent. Highs 45 to 50. Lows 25 to 32. .FRIDAY...Partly cloudy with a chance of rain and snow. Chance of precipitation 30 percent. Highs 46 to 52. Breezy. && TEMPERATURE Baker City 19 39 25 49 $$ = ORZ061-210400- Harney County- 1230 PM PST Fri Feb 20 2026 .TONIGHT...Mostly cloudy. Lows 18 to 24. Southeast winds around 10 mph. .SATURDAY...Mostly cloudy. Highs 38 to 43. Southeast winds 10 to 15 mph with gusts to 25 mph. .SATURDAY NIGHT...Decreasing clouds. Lows 22 to 28. East winds 10 to 15 mph. .SUNDAY...Sunny. Highs 46 to 51. Breezy. Southeast winds 10 to 20 mph. Gusts to 35 mph in the afternoon. .SUNDAY NIGHT...Mostly cloudy. Lows 31 to 36. South winds 10 to 15 mph. Gusts to 30 mph in the evening. .MONDAY...Mostly cloudy. A chance of rain in the afternoon. Chance of rain 30 percent. Highs 48 to 53. .MONDAY NIGHT...Rain likely, mainly after midnight. Chance of rain 60 percent. Lows 34 to 41. .TUESDAY...Patchy fog in the morning. Rain. Chance of rain 80 percent. Highs 46 to 51. Breezy. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Chance of precipitation 40 percent. Colder with lows 23 to 30. .WEDNESDAY...Partly cloudy with a 20 percent chance of snow. Highs 45 to 50. .WEDNESDAY NIGHT...Partly cloudy. Lows 21 to 30. .THURSDAY THROUGH FRIDAY...Partly cloudy with a 20 percent chance of snow. Highs 50 to 56. Lows 24 to 34. Breezy. && TEMPERATURE Burns 18 41 22 50 $$ = ORZ063-210400- Malheur County- 130 PM MST Fri Feb 20 2026 /1230 PM PST Fri Feb 20 2026/ .TONIGHT...Mostly cloudy. Lows 19 to 26. Southeast winds up to 10 mph. .SATURDAY...Increasing clouds. Highs 39 to 47. Southeast winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy. Lows 23 to 31. Southeast winds 10 to 15 mph. .SUNDAY...Sunny. Not as cool with highs 48 to 56. Southeast winds 10 to 15 mph with gusts to 25 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 30 to 36. South winds 10 to 15 mph. Gusts to 25 mph in the evening. .MONDAY...Mostly cloudy. Highs 47 to 55. .MONDAY NIGHT...Rain likely, mainly after midnight. Chance of rain 70 percent. Lows 36 to 41. .TUESDAY...Rain. Chance of rain 80 percent. Highs 47 to 54. Breezy. .TUESDAY NIGHT...A chance of snow. Rain likely, mainly in the evening. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 28 to 34. .WEDNESDAY...Partly cloudy with a 20 percent chance of snow. Highs 46 to 52. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 26 to 36. Highs 49 to 57. .FRIDAY...Partly cloudy. A slight chance of snow in the morning. Chance of snow 20 percent. Highs 51 to 59. Breezy. $$ =