Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
465
FPUS55 KBOI 200908
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
207 AM MST Thu Nov 20 2025
Spot temperatures are for today, tonight, and Friday.
IDZ011-201700-
West Central Mountains-
207 AM MST Thu Nov 20 2025
.TODAY...Rain and snow showers. Areas of fog. Chance of
precipitation 80 percent. Snow accumulation up to 1 inch. Highs
37 to 48.
.TONIGHT...Mostly cloudy with a slight chance of rain and snow
showers in the evening, then partly cloudy after midnight. Patchy
fog in the evening. Areas of fog after midnight. Chance of
precipitation 20 percent. Lows 26 to 33.
.FRIDAY...Sunny. Areas of fog in the morning. Patchy fog in the
afternoon. Highs 38 to 49.
.FRIDAY NIGHT...Increasing clouds. Patchy fog in the evening.
Areas of fog after midnight. Lows 25 to 31.
.SATURDAY...Mostly sunny. Areas of fog in the morning. Patchy fog
in the afternoon. Highs 36 to 47.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Areas of fog. Lows
23 to 31. Highs 39 to 50.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a chance of rain and snow after midnight. Areas of fog in
the evening. Patchy fog after midnight. Chance of precipitation
30 percent. Lows 25 to 32.
.MONDAY...Areas of fog in the morning. Rain and snow likely in
the morning, then a chance of snow in the afternoon. Chance of
precipitation 60 percent. Little snow accumulation expected.
Highs 33 to 44.
.MONDAY NIGHT...Decreasing clouds. A 30 percent chance of snow.
Patchy fog. Colder with lows 16 to 24.
.TUESDAY...Areas of fog in the morning. Partly cloudy with a
20 percent chance of snow. Highs 28 to 40.
.TUESDAY NIGHT...Partly cloudy. Lows 16 to 24.
.WEDNESDAY...Partly cloudy with a 20 percent chance of snow.
Highs 28 to 40.
&&
TEMPERATURE
McCall 44 27 45
$$
=
IDZ013-201700-
Boise Mountains-
207 AM MST Thu Nov 20 2025
.TODAY...Rain and snow showers. Areas of fog. Chance of
precipitation 80 percent. Snow accumulation up to 1 inch. Highs
37 to 50.
.TONIGHT...Partly cloudy with a slight chance of rain and snow
showers in the evening, then mostly clear after midnight. Areas
of fog. Chance of precipitation 20 percent. Lows 26 to 35.
.FRIDAY...Sunny. Areas of fog in the morning. Patchy fog in the
afternoon. Highs 39 to 52.
.FRIDAY NIGHT...Increasing clouds. Lows 26 to 35.
.SATURDAY...Mostly sunny. Highs 39 to 49.
.SATURDAY NIGHT...Mostly clear. Lows 25 to 34.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 40 to 54.
.SUNDAY NIGHT...Partly cloudy. Patchy fog in the evening. Areas
of fog after midnight. Lows 24 to 36.
.MONDAY...Partly sunny. Areas of fog in the morning. A chance of
rain and snow in the morning, then a slight chance of snow in the
afternoon. Chance of precipitation 30 percent. Highs 36 to 48.
.MONDAY NIGHT...Partly cloudy. A slight chance of snow in the
evening. Patchy fog in the evening. Areas of fog after midnight.
Chance of snow 20 percent. Colder with lows 13 to 28.
.TUESDAY...Areas of fog in the morning. Mostly sunny. Highs 30 to
43.
.TUESDAY NIGHT...Increasing clouds. Lows 13 to 28.
.WEDNESDAY...Partly cloudy with a 20 percent chance of snow.
Highs 30 to 43.
&&
TEMPERATURE
Idaho City 49 27 52
$$
=
IDZ028-201700-
Camas Prairie-
207 AM MST Thu Nov 20 2025
.TODAY...Patchy fog this morning. Rain showers likely this
morning, then partly cloudy with a chance of rain showers this
afternoon. Chance of rain 70 percent. Highs 44 to 49. East winds
up to 10 mph.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows
26 to 31. Light winds.
.FRIDAY...Sunny. Highs 44 to 49. Light winds.
.FRIDAY NIGHT...Increasing clouds. Patchy fog after midnight.
Lows 22 to 27. Northwest winds up to 10 mph.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 43 to
48. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 20 to 25.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 46 to 51.
.SUNDAY NIGHT...Increasing clouds. Lows 21 to 26.
.MONDAY...Partly cloudy. A slight chance of rain and snow in the
morning. Chance of precipitation 20 percent. Highs 43 to 48.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 12 to
18. Highs 36 to 41.
.WEDNESDAY...Partly sunny. Highs 35 to 40.
&&
TEMPERATURE
Fairfield 48 26 48
$$
=
IDZ033-201700-
Upper Weiser River-
207 AM MST Thu Nov 20 2025
.TODAY...Rain showers, mainly this morning. Areas of fog. Chance
of rain 80 percent. Highs 45 to 51. Light winds.
.TONIGHT...Partly cloudy in the evening, then clearing. Areas of
fog. Lows 32 to 37. North winds up to 10 mph.
.FRIDAY...Sunny. Areas of fog in the morning. Patchy fog in the
afternoon. Highs 46 to 53. Light winds.
.FRIDAY NIGHT...Increasing clouds. Patchy fog. Lows 29 to 34.
Light winds.
.SATURDAY...Areas of fog in the morning. Mostly sunny. Highs
43 to 49. Light winds.
.SATURDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows
28 to 33.
.SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 44 to
51.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a slight chance of rain after midnight. Areas of fog. Chance
of rain 20 percent. Lows 29 to 35.
.MONDAY...A chance of snow in the morning. Areas of fog in the
morning. Partly cloudy with a chance of rain. Chance of
precipitation 30 percent. Highs 43 to 49.
.MONDAY NIGHT...Partly cloudy. A slight chance of rain and snow
in the evening. Chance of precipitation 20 percent. Lows 22 to
27.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 37 to 44. Lows
23 to 28.
.WEDNESDAY...Partly cloudy. A slight chance of snow in the
afternoon. Chance of snow 20 percent. Highs 36 to 41.
&&
TEMPERATURE
Council 50 34 52
Cambridge 51 32 53
$$
=
ORZ064-201700-
Oregon Lower Treasure Valley-
207 AM MST Thu Nov 20 2025 /107 AM PST Thu Nov 20 2025/
.TODAY...Mostly cloudy with a 40 percent chance of rain showers.
Areas of fog. Highs 48 to 53. Light winds.
.TONIGHT...Decreasing clouds. Lows 34 to 39. Northwest winds
10 to 15 mph.
.FRIDAY...Sunny. Highs 50 to 55. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Increasing clouds. Lows 30 to 35. Light winds.
.SATURDAY...Mostly sunny. Highs 46 to 51. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog. Lows 28 to 33.
.SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 46 to
51.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. Patchy fog in the
evening. Areas of fog through the day. Lows 28 to 33. Highs 47 to
52.
.MONDAY NIGHT...Partly cloudy. Lows 22 to 27.
.TUESDAY...Patchy fog in the morning. Mostly sunny. Highs 40 to
45.
.TUESDAY NIGHT...Increasing clouds. Lows 23 to 28.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs 37 to 42.
&&
TEMPERATURE
Ontario 50 35 53
$$
=
IDZ012-201700-
Lower Treasure Valley-
207 AM MST Thu Nov 20 2025
.TODAY...Rain showers likely, mainly this morning. Areas of fog.
Chance of rain 60 percent. Highs 47 to 52. Light winds.
.TONIGHT...Partly cloudy. Areas of fog. Lows 34 to 39. Northwest
winds up to 10 mph.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 49 to 54.
Light winds.
.FRIDAY NIGHT...Increasing clouds. Patchy fog. Lows 30 to 35.
Light winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 47 to
52. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog. Lows 28 to 33.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Areas of fog in the
morning. Patchy fog in the evening, then areas of fog after
midnight. Highs 46 to 51. Lows 29 to 34.
.MONDAY...Partly cloudy. A slight chance of rain in the morning.
Areas of fog in the morning. Chance of rain 20 percent. Highs
46 to 51.
.MONDAY NIGHT...Partly cloudy. Lows 22 to 27.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Patchy fog in the
morning. Patchy fog after midnight. Highs 40 to 45. Lows 22 to
27.
.WEDNESDAY...Patchy fog in the morning. Partly sunny. Highs 39 to
44.
&&
TEMPERATURE
Caldwell 50 35 52
$$
=
IDZ014-201700-
Upper Treasure Valley-
207 AM MST Thu Nov 20 2025
.TODAY...Rain showers likely this morning, then partly cloudy
with a chance of rain showers this afternoon. Areas of fog.
Chance of rain 60 percent. Highs 48 to 53. East winds up to
10 mph this morning, shifting to northwest this afternoon.
.TONIGHT...Increasing clouds. Areas of fog. Lows 32 to 37.
Northwest winds up to 10 mph.
.FRIDAY...Partly sunny in the morning, then clearing. Patchy fog
in the morning. Highs 48 to 53. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Increasing clouds. Patchy fog. Lows 28 to 33.
Northwest winds up to 10 mph in the evening, becoming light after
midnight.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 48 to
53. Southeast winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
26 to 33.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 49 to 54.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Patchy fog through the
day. Lows 28 to 34. Highs 48 to 53.
.MONDAY NIGHT...Partly cloudy. Lows 21 to 28.
.TUESDAY...Patchy fog in the morning. Mostly sunny. Highs 40 to
45.
.TUESDAY NIGHT...Partly cloudy. Lows 20 to 26.
.WEDNESDAY...Patchy fog in the morning. Partly sunny. Highs 40 to
45.
&&
TEMPERATURE
Boise 50 35 50
Mountain Home 51 32 51
$$
=
IDZ016-201700-
Western Magic Valley-
207 AM MST Thu Nov 20 2025
.TODAY...Areas of fog this morning. Rain showers likely, mainly
this morning. Chance of rain 60 percent. Highs 48 to 53.
Northeast winds up to 10 mph.
.TONIGHT...Increasing clouds. Patchy fog. Lows 34 to 39. West
winds up to 10 mph.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs 43 to 49. West winds around 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 27 to 32. Southwest winds
around 10 mph.
.SATURDAY...Mostly sunny. Highs 45 to 50. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 26 to 31.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 47 to 52.
.SUNDAY NIGHT...Mostly clear. Lows 26 to 31.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 47 to 52. Lows
22 to 27.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 38 to 43. Lows
18 to 23.
.WEDNESDAY...Partly sunny. Highs 38 to 43.
&&
TEMPERATURE
Jerome 49 37 43
Twin Falls 48 37 45
$$
=
IDZ029-201700-
Owyhee Mountains-
207 AM MST Thu Nov 20 2025
.TODAY...Snow showers this morning. Rain showers. Areas of fog.
Chance of precipitation 80 percent. Snow accumulation up to
1 inch. Highs 41 to 46.
.TONIGHT...Mostly cloudy. A slight chance of rain and snow
showers in the evening. Areas of fog in the evening. Patchy fog
after midnight. Chance of precipitation 20 percent. Lows 30 to
36.
.FRIDAY...Partly cloudy. A slight chance of snow showers in the
morning. Patchy fog in the morning. Chance of snow 20 percent.
Highs 44 to 49.
.FRIDAY NIGHT...Increasing clouds. Lows 26 to 34.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 43 to
50.
.SATURDAY NIGHT...Mostly clear. Lows 26 to 33.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 45 to 53.
.SUNDAY NIGHT...Partly cloudy. Lows 29 to 35.
.MONDAY...Partly cloudy with a slight chance of rain and snow.
Chance of precipitation 20 percent. Highs 42 to 47.
.MONDAY NIGHT...Partly cloudy. Lows 20 to 27.
.TUESDAY...Patchy fog in the morning. Mostly sunny. Highs 36 to
41.
.TUESDAY NIGHT...Partly cloudy. Lows 21 to 26.
.WEDNESDAY...Partly cloudy. A slight chance of snow in the
afternoon. Chance of snow 20 percent. Highs 36 to 43.
$$
=
IDZ015-201700-
Southwest Highlands-
207 AM MST Thu Nov 20 2025
.TODAY...Snow showers this morning. Rain showers. Areas of fog
this morning. Patchy fog this afternoon. Chance of precipitation
80 percent. No snow accumulation. Highs 42 to 48.
.TONIGHT...Mostly cloudy. A slight chance of rain and snow
showers in the evening. Areas of fog in the evening. Patchy fog
after midnight. Chance of precipitation 20 percent. Lows 31 to
36.
.FRIDAY...Patchy fog in the morning. Mostly cloudy with a slight
chance of rain and snow showers in the morning, then mostly sunny
in the afternoon. Chance of precipitation 20 percent. Highs 44 to
49.
.FRIDAY NIGHT...Increasing clouds. Patchy fog after midnight.
Lows 25 to 30.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 46 to
51.
.SATURDAY NIGHT...Mostly clear. Lows 24 to 30.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 49 to 54.
.SUNDAY NIGHT...Increasing clouds. Lows 27 to 33.
.MONDAY...Partly cloudy with a slight chance of rain and snow.
Chance of precipitation 20 percent. Highs 45 to 50.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 19 to
25. Highs 38 to 43.
.WEDNESDAY...Partly sunny. Highs 41 to 46.
$$
=
IDZ030-201700-
Southern Twin Falls County-
207 AM MST Thu Nov 20 2025
.TODAY...A chance of snow showers this morning. Areas of fog this
morning. Partly cloudy with a chance of rain showers. Chance of
precipitation 40 percent. Highs 46 to 51.
.TONIGHT...Mostly cloudy. A slight chance of rain showers in the
evening. Chance of rain 20 percent. Lows 33 to 38.
.FRIDAY...Cloudy with a slight chance of rain and snow showers in
the morning, then partly sunny in the afternoon. Chance of
precipitation 20 percent. Highs 43 to 48.
.FRIDAY NIGHT...Decreasing clouds. Patchy fog after midnight.
Lows 27 to 32.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 45 to
50.
.SATURDAY NIGHT...Mostly clear. Lows 27 to 32.
.SUNDAY...Areas of fog in the morning. Sunny. Highs 49 to 54.
.SUNDAY NIGHT...Mostly clear. Lows 29 to 34.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 47 to 52. Lows
22 to 27.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Cooler. Highs 37 to
42. Lows 19 to 24.
.WEDNESDAY...Partly sunny. Highs 40 to 45.
$$
=
ORZ062-201700-
Baker County-
107 AM PST Thu Nov 20 2025
.TODAY...Rain and snow showers likely. Areas of fog. Chance of
precipitation 60 percent. Snow accumulation up to 1 inch. Highs
42 to 51. Northwest winds up to 10 mph.
.TONIGHT...Partly cloudy. Areas of fog. Lows 26 to 34. Northwest
winds up to 10 mph with gusts to 20 mph.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 44 to 50.
Light winds.
.FRIDAY NIGHT...Patchy fog in the evening. Partly cloudy. Lows
24 to 33. Light winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 44 to
50. Light winds.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 24 to 33.
.SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 45 to
51.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of rain and snow
after midnight. Areas of fog after midnight. Chance of
precipitation 20 percent. Lows 25 to 33.
.MONDAY...Areas of fog in the morning. Partly cloudy with a
chance of rain and snow, mainly in the morning. Chance of
precipitation 30 percent. Highs 42 to 49.
.MONDAY NIGHT...Partly cloudy. A slight chance of snow in the
evening. Patchy fog after midnight. Chance of snow 20 percent.
Lows 17 to 26.
.TUESDAY...Areas of fog in the morning. Mostly sunny. Highs 37 to
44.
.TUESDAY NIGHT...Increasing clouds. Lows 18 to 27.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a slight chance of snow in the afternoon. Chance of snow
20 percent. Highs 36 to 42.
&&
TEMPERATURE
Baker City 46 27 47
$$
=
ORZ061-201700-
Harney County-
107 AM PST Thu Nov 20 2025
.TODAY...Rain and snow showers, mainly this morning. Areas of fog
this morning, then patchy fog this afternoon. Chance of
precipitation 80 percent. Snow accumulation up to 1 inch. Highs
42 to 47. Northwest winds up to 10 mph.
.TONIGHT...Patchy fog in the evening. Mostly cloudy. Lows 23 to
33. North winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs 45 to 50. Light winds.
.FRIDAY NIGHT...Increasing clouds. Lows 21 to 29. Light winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 45 to
50. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 20 to 29.
.SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 49 to
54.
.SUNDAY NIGHT...Increasing clouds. Lows 22 to 32.
.MONDAY...Partly cloudy. A slight chance of snow in the morning.
Chance of snow 20 percent. Highs 43 to 48.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 14 to
25. Highs 37 to 42.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a slight chance of rain and snow in the afternoon. Chance of
precipitation 20 percent. Highs 38 to 45.
&&
TEMPERATURE
Burns 45 23 48
$$
=
ORZ063-201700-
Malheur County-
207 AM MST Thu Nov 20 2025 /107 AM PST Thu Nov 20 2025/
.TODAY...Rain showers. Areas of fog this morning. Patchy fog this
afternoon. Chance of rain 80 percent. Highs 44 to 49. Light winds
this morning, becoming north up to 10 mph this afternoon.
.TONIGHT...Mostly cloudy. Patchy fog in the evening. Areas of fog
after midnight. Lows 29 to 37. Northwest winds up to 10 mph.
.FRIDAY...Areas of dense fog in the morning. Mostly sunny. Highs
47 to 52. Light winds.
.FRIDAY NIGHT...Increasing clouds. Patchy fog after midnight.
Lows 25 to 33. Light winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 43 to
51. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
23 to 31.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Areas of fog in the
morning. Areas of fog through the day. Highs 45 to 53. Lows 25 to
33.
.MONDAY...Areas of fog in the morning. Partly sunny. Highs 44 to
50.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 19 to
26. Highs 38 to 43.
.WEDNESDAY...Partly cloudy. A slight chance of snow in the
afternoon. Chance of snow 20 percent. Highs 36 to 46.
$$
=