Zone Forecast Product
Issued by NWS Boise, ID

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13
385
FPUS55 KBOI 092109
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
208 PM MST Tue Dec 9 2025

Spot temperatures are for tonight, Wednesday, Wednesday night,
and Thursday.


IDZ011-100500-
West Central Mountains-
208 PM MST Tue Dec 9 2025

.TONIGHT...Rain and snow. Areas of fog. Chance of precipitation
near 100 percent. New snow accumulation up to 1 inch. Lows 34 to
40. Temperature rising into the lower 40s after midnight.
.WEDNESDAY...Rain, mainly in the morning. Patchy fog. Chance of
rain 80 percent. Highs 40 to 50.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of rain in the
evening. Areas of fog. Chance of rain 20 percent. Lows 31 to 37.
.THURSDAY...Increasing clouds. A chance of rain and snow. Areas
of fog in the morning. Patchy fog in the afternoon. Chance of
precipitation 30 percent. Highs 39 to 48.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain and snow.
Patchy fog in the evening. Areas of fog after midnight. Chance of
precipitation 30 percent. Lows 32 to 37.
.FRIDAY...Partly cloudy. A slight chance of rain and snow in the
morning. Areas of fog in the morning. Patchy fog in the
afternoon. Chance of precipitation 20 percent. Highs 38 to 49.
.FRIDAY NIGHT...Decreasing clouds. Patchy fog in the evening.
Areas of fog after midnight. Lows 26 to 33.
.SATURDAY...Areas of fog in the morning. Mostly sunny. Highs
38 to 49.
.SATURDAY NIGHT...Partly cloudy. Lows 27 to 33.
.SUNDAY...Partly cloudy. A chance of rain and snow, mainly in the
afternoon. Chance of precipitation 30 percent. Highs 37 to 47.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain and
snow. Chance of precipitation 20 percent. Lows 28 to 34.
.MONDAY...Decreasing clouds. A chance of rain and snow. Chance of
precipitation 40 percent. Highs 36 to 47.
.MONDAY NIGHT...Rain and snow likely, mainly after midnight.
Patchy fog after midnight. Chance of precipitation 70 percent.
Light snow accumulations possible. Lows 29 to 37.
.TUESDAY...Areas of fog in the morning. Rain and snow likely,
mainly in the morning. Chance of precipitation 70 percent. Light
snow accumulations possible. Highs 34 to 45.

&&
                  TEMPERATURE
McCall          34  47  32  45

$$
=

IDZ013-100500-
Boise Mountains-
208 PM MST Tue Dec 9 2025

.TONIGHT...Snow this evening. Rain. Areas of fog. Chance of
precipitation near 100 percent. Snow accumulation up to 1 inch.
Lows 31 to 44. Temperature rising into the mid 40s after
midnight.
.WEDNESDAY...Rain likely in the morning, then mostly sunny in the
afternoon. Areas of fog in the morning. Patchy fog in the
afternoon. Chance of rain 60 percent. Highs 42 to 57.
.WEDNESDAY NIGHT...Increasing clouds. Areas of fog. Lows 26 to
40.
.THURSDAY...Areas of fog in the morning. Mostly sunny. Highs
41 to 54.
.THURSDAY NIGHT...Partly cloudy. Patchy fog in the evening. Areas
of fog after midnight. Lows 29 to 40.
.FRIDAY...Areas of fog in the morning. Mostly sunny. Highs 42 to
55.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 20 to 35. Highs
41 to 55.
.SATURDAY NIGHT...Increasing clouds. Lows 20 to 35.
.SUNDAY...Partly cloudy with a slight chance of rain and snow.
Chance of precipitation 20 percent. Highs 40 to 53.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain and
snow. Chance of precipitation 20 percent. Lows 22 to 37.
.MONDAY...Partly cloudy with a chance of rain and snow. Chance of
precipitation 40 percent. Highs 39 to 52.
.MONDAY NIGHT...Rain and snow likely, mainly after midnight.
Patchy fog after midnight. Chance of precipitation 60 percent.
Little snow accumulation expected. Lows 25 to 40.
.TUESDAY...Areas of fog in the morning. Rain and snow likely in
the morning, then partly cloudy with a chance of rain and snow in
the afternoon. Chance of precipitation 60 percent. Light snow
accumulations possible. Highs 36 to 50.

&&
                  TEMPERATURE
Idaho City      39  55  31  52

$$
=

IDZ028-100500-
Camas Prairie-
208 PM MST Tue Dec 9 2025

.TONIGHT...Rain likely. Chance of rain 60 percent. Lows 36 to 41.
West winds 10 to 15 mph with gusts to 25 mph.
.WEDNESDAY...Partly cloudy. A slight chance of rain in the
morning. Chance of rain 20 percent. Highs 50 to 55. Breezy. West
winds 10 to 20 mph with gusts to 30 mph.
.WEDNESDAY NIGHT...Increasing clouds. Lows 29 to 34. West winds
10 to 15 mph in the evening, becoming light after midnight.
.THURSDAY...Sunny. Highs 50 to 55. West winds 10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 30 to 35. Northwest winds
10 to 15 mph.
.FRIDAY...Mostly sunny. Highs 50 to 55.
.FRIDAY NIGHT...Mostly clear. Lows 27 to 32.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs 46 to 54.
Lows 25 to 30.
.MONDAY...Partly cloudy. A slight chance of rain and snow in the
afternoon. Chance of precipitation 20 percent. Highs 45 to 50.
.MONDAY NIGHT...Mostly cloudy with a chance of rain, mixed with
snow after midnight. Chance of precipitation 50 percent. Lows
28 to 33.
.TUESDAY...Partly cloudy with a chance of rain and snow. Chance
of precipitation 40 percent. Highs 43 to 48.

&&
                  TEMPERATURE
Fairfield       39  53  29  52

$$
=

IDZ033-100500-
Upper Weiser River-
208 PM MST Tue Dec 9 2025

.TONIGHT...Rain. Areas of fog. Chance of rain 90 percent. Lows
39 to 44. Southeast winds up to 10 mph. Gusts to 20 mph after
midnight.
.WEDNESDAY...Mostly cloudy with a chance of rain in the morning,
then partly cloudy with a slight chance of rain in the afternoon.
Patchy fog. Chance of rain 30 percent. Highs 51 to 56. South
winds up to 10 mph with gusts to 20 mph.
.WEDNESDAY NIGHT...Increasing clouds. Patchy fog after midnight.
Lows 35 to 40. Light winds.
.THURSDAY...Patchy fog in the morning. Partly cloudy with a
20 percent chance of rain. Highs 48 to 53. Light winds.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Patchy fog after midnight. Lows 36 to 41. Light winds.
.FRIDAY...Areas of fog in the morning. Mostly sunny. Highs 49 to
54.
.FRIDAY NIGHT...Mostly cloudy. Lows 31 to 36.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 47 to
52.
.SATURDAY NIGHT...Partly cloudy. Lows 31 to 36.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of
rain. Highs 45 to 51. Lows 32 to 37.
.MONDAY...Decreasing clouds. A 40 percent chance of rain. Highs
45 to 50.
.MONDAY NIGHT...Rain likely, mainly after midnight. Chance of
rain 70 percent. Lows 35 to 40.
.TUESDAY...Patchy fog in the morning. Rain likely in the morning,
then partly cloudy with a chance of rain in the afternoon. Chance
of rain 60 percent. Highs 46 to 51.

&&
                  TEMPERATURE
Council         42  54  38  52
Cambridge       42  55  36  51

$$
=

ORZ064-100500-
Oregon Lower Treasure Valley-
208 PM MST Tue Dec 9 2025 /108 PM PST Tue Dec 9 2025/

.TONIGHT...Rain likely, mainly this evening. Patchy fog. Chance
of rain 60 percent. Lows 40 to 45. Temperature rising into the
mid 40s after midnight. West winds up to 10 mph. Gusts to 20 mph
after midnight.
.WEDNESDAY...Decreasing clouds. Patchy fog in the morning. Highs
55 to 61. Southwest winds up to 10 mph with gusts to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows
35 to 40. Light winds.
.THURSDAY...Patchy fog in the morning. Partly sunny. Highs 51 to
56. Light winds.
.THURSDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows
33 to 38. Light winds.
.FRIDAY...Areas of fog in the morning. Mostly sunny. Highs 50 to
56.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy fog through
the day. Lows 30 to 35. Highs 48 to 53.
.SATURDAY NIGHT...Partly cloudy. Lows 29 to 34.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. Highs 46 to 51. Lows
30 to 36.
.MONDAY...Mostly cloudy with a slight chance of rain in the
morning, then partly cloudy with a chance of rain in the
afternoon. Chance of rain 30 percent. Highs 45 to 50.
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows 33 to 40.
.TUESDAY...Patchy fog in the morning. Partly cloudy with a
40 percent chance of rain. Highs 51 to 56.

&&
                  TEMPERATURE
Ontario         42  58  36  54

$$
=

IDZ012-100500-
Lower Treasure Valley-
208 PM MST Tue Dec 9 2025

.TONIGHT...Rain. Patchy fog. Chance of rain 80 percent. Lows
42 to 47. Temperature rising into the upper 40s after midnight.
South winds up to 10 mph with gusts to 20 mph.
.WEDNESDAY...Partly cloudy. A slight chance of rain in the
morning. Patchy fog. Chance of rain 20 percent. Highs 57 to 63.
South winds up to 10 mph with gusts to 20 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows
36 to 41. Southeast winds up to 10 mph.
.THURSDAY...Patchy fog in the morning. Mostly sunny. Highs 53 to
58. Southeast winds up to 10 mph in the morning, becoming light
in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Areas of fog after midnight.
Lows 34 to 39. Light winds.
.FRIDAY THROUGH SATURDAY...Areas of fog in the morning. Areas of
fog through the day. Partly cloudy. Highs 50 to 57. Lows 31 to
36.
.SATURDAY NIGHT...Partly cloudy. Lows 31 to 36.
.SUNDAY...Partly sunny. Highs 48 to 53.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of rain after
midnight. Chance of rain 20 percent. Lows 31 to 36.
.MONDAY...Decreasing clouds. A 30 percent chance of rain. Highs
48 to 53.
.MONDAY NIGHT...Rain likely, mainly after midnight. Chance of
rain 60 percent. Lows 35 to 41.
.TUESDAY...Patchy fog in the morning. Partly cloudy with a
30 percent chance of rain. Highs 50 to 55.

&&
                  TEMPERATURE
Caldwell        44  63  36  56

$$
=

IDZ014-100500-
Upper Treasure Valley-
208 PM MST Tue Dec 9 2025

.TONIGHT...Rain likely, mainly this evening. Patchy fog. Chance
of rain 60 percent. Lows 40 to 46. Southeast winds up to 10 mph.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 59 to 64.
Northeast winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 31 to 39. East winds up to
10 mph.
.THURSDAY...Sunny. Highs 54 to 59. Southeast winds up to 10 mph
in the morning, shifting to northwest in the afternoon.
.THURSDAY NIGHT...Increasing clouds. Lows 30 to 37. Light winds.
.FRIDAY...Patchy fog in the morning. Mostly sunny. Highs 54 to
59.
.FRIDAY NIGHT...Mostly clear. Lows 29 to 35.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs 51 to 57.
Lows 29 to 35.
.MONDAY...Partly cloudy with a 20 percent chance of rain. Highs
51 to 56.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 30 percent chance of
rain. Lows 33 to 39. Highs 51 to 57.

&&
                  TEMPERATURE
Boise           46  61  39  56
Mountain Home   40  62  31  57

$$
=

IDZ016-100500-
Western Magic Valley-
208 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy with a 40 percent chance of rain. Lows
42 to 47. Southwest winds 10 to 15 mph with gusts to 30 mph.
.WEDNESDAY...Mostly sunny. Highs 57 to 63. West winds 10 to
15 mph with gusts to 30 mph.
.WEDNESDAY NIGHT...Increasing clouds. Lows 34 to 40. Southwest
winds up to 10 mph.
.THURSDAY...Sunny. Highs 53 to 58. West winds 10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 32 to 37. West winds around
10 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 53 to 59. Lows
31 to 37.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs 50 to 57.
Lows 29 to 34.
.MONDAY...Partly cloudy. A slight chance of rain in the
afternoon. Chance of rain 20 percent. Highs 50 to 55.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 30 percent chance of
rain. Lows 33 to 38. Highs 48 to 55.

&&
                  TEMPERATURE
Jerome          45  57  37  54
Twin Falls      46  61  40  56

$$
=

IDZ029-100500-
Owyhee Mountains-
208 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. A chance of rain, mainly this evening.
Chance of rain 30 percent. Lows 40 to 47. Breezy.
.WEDNESDAY...Mostly sunny. Highs 54 to 59. Breezy. Gusts to
35 mph in the morning.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 34 to 43.
.THURSDAY...Sunny. Highs 52 to 57.
.THURSDAY NIGHT...Increasing clouds. Lows 31 to 39.
.FRIDAY...Sunny. Highs 51 to 56.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 31 to
37. Highs 46 to 56.
.MONDAY...Partly cloudy. A chance of rain and snow, mainly in the
afternoon. Chance of precipitation 30 percent. Highs 45 to 53.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of rain and
snow. Chance of precipitation 40 percent. Lows 34 to 41. Highs
47 to 52.

$$
=

IDZ015-100500-
Southwest Highlands-
208 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. A chance of rain this evening. Chance
of rain 30 percent. Lows 35 to 43. Breezy.
.WEDNESDAY...Sunny. Highs 56 to 62. Breezy.
.WEDNESDAY NIGHT...Mostly clear. Lows 31 to 39.
.THURSDAY...Sunny. Highs 53 to 58.
.THURSDAY NIGHT...Mostly clear. Lows 26 to 36.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 53 to 59. Lows
26 to 36.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs 52 to 58.
Lows 28 to 36.
.MONDAY...Partly cloudy with a 20 percent chance of rain. Highs
50 to 56.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of rain and
snow. Chance of precipitation 30 percent. Lows 34 to 39. Highs
48 to 54. Breezy.

$$
=

IDZ030-100500-
Southern Twin  Falls County-
208 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy with a 20 percent chance of rain. Lows
41 to 46. Breezy.
.WEDNESDAY...Mostly sunny. Highs 58 to 63. Breezy.
.WEDNESDAY NIGHT...Mostly clear. Lows 36 to 41.
.THURSDAY...Sunny. Highs 55 to 60. Temperature falling to around
50 in the afternoon.
.THURSDAY NIGHT...Increasing clouds. Lows 32 to 37.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 55 to 60. Lows
34 to 39.
.SATURDAY THROUGH MONDAY...Partly cloudy. Highs 52 to 59. Lows
31 to 36.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of rain and
snow. Chance of precipitation 30 percent. Lows 35 to 40. Highs
49 to 54.

$$
=

ORZ062-100500-
Baker County-
108 PM PST Tue Dec 9 2025

.TONIGHT...Rain. Areas of fog this evening. Patchy fog after
midnight. Chance of rain near 100 percent. Lows 38 to 43.
Southeast winds up to 10 mph.
.WEDNESDAY...Mostly cloudy. A chance of rain, mainly in the
morning. Patchy fog. Chance of rain 30 percent. Highs 52 to 57.
South winds up to 10 mph with gusts to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 36 to 42.
South winds up to 10 mph.
.THURSDAY...Partly sunny. Patchy fog in the morning. A chance of
rain, mainly in the afternoon. Chance of rain 30 percent. Highs
49 to 54. Light winds.
.THURSDAY NIGHT...Mostly cloudy. A slight chance of rain in the
evening. Patchy fog. Chance of rain 20 percent. Lows 34 to 40.
Light winds.
.FRIDAY THROUGH SATURDAY...Areas of fog in the morning. Patchy
fog in the evening, then areas of fog through the day. Partly
cloudy. Highs 47 to 55. Lows 28 to 36.
.SATURDAY NIGHT...Partly cloudy. Lows 28 to 37.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A slight chance of rain
and snow. Chance of precipitation 20 percent. Highs 45 to 51.
Lows 28 to 36.
.MONDAY...Decreasing clouds. A chance of rain and snow. Chance of
precipitation 40 percent. Highs 43 to 48.
.MONDAY NIGHT...Rain and snow likely. Patchy fog after midnight.
Chance of precipitation 60 percent. Little snow accumulation
expected. Lows 31 to 38.
.TUESDAY...Decreasing clouds. Patchy fog in the morning. A chance
of snow. Rain likely, mainly in the morning. Chance of
precipitation 60 percent. Little snow accumulation expected.
Highs 45 to 51.

&&
                  TEMPERATURE
Baker City      39  55  37  52

$$
=

ORZ061-100500-
Harney County-
108 PM PST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. A chance of rain this evening. Chance
of rain 30 percent. Lows 37 to 43. Breezy. Southwest winds 10 to
20 mph with gusts to 30 mph.
.WEDNESDAY...Mostly sunny. Highs 57 to 62. Southwest winds 10 to
15 mph with gusts to 25 mph.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 26 to 38. Southwest
winds around 10 mph.
.THURSDAY...Sunny. Highs 53 to 58. West winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 23 to 33. Light winds.
.FRIDAY...Patchy fog in the morning. Sunny. Highs 53 to 58.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows 22 to
35. Highs 51 to 58.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. Highs 49 to 55. Lows
24 to 36.
.MONDAY...A slight chance of snow in the morning. Partly cloudy
with a chance of rain. Chance of precipitation 30 percent. Highs
50 to 55.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain.
Lows 27 to 38. Breezy.
.TUESDAY...Partly cloudy with a chance of rain and snow. Chance
of precipitation 30 percent. Highs 48 to 53.

&&
                  TEMPERATURE
Burns           37  58  26  55

$$
=

ORZ063-100500-
Malheur County-
208 PM MST Tue Dec 9 2025 /108 PM PST Tue Dec 9 2025/

.TONIGHT...Mostly cloudy. A chance of rain this evening. Areas of
fog this evening. Patchy fog after midnight. Chance of rain
30 percent. Lows 38 to 48. Breezy. Southwest winds 10 to 20 mph
with gusts to 30 mph.
.WEDNESDAY...Patchy fog in the morning. Mostly sunny. Highs 55 to
64. Breezy. Southwest winds 10 to 20 mph with gusts to 30 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 31 to 41. Southwest winds
up to 10 mph.
.THURSDAY...Mostly sunny. Highs 52 to 58. Southwest winds around
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 26 to 36. Light winds.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 51 to 58.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows 26 to
35. Highs 49 to 57.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. Highs 46 to 54. Lows
27 to 35.
.MONDAY...Partly cloudy. A slight chance of rain and snow in the
morning, then a chance of rain in the afternoon. Chance of
precipitation 30 percent. Highs 44 to 54.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain.
Lows 31 to 39.
.TUESDAY...Partly cloudy with a 30 percent chance of rain. Highs
48 to 55.

$$
=