474
FPUS55 KBOI 290831
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 AM MDT Tue Sep 29 2026

Spot temperatures are for today, tonight, and Wednesday.


IDZ011-291600-
West Central Mountains-
230 AM MDT Tue Sep 29 2026

.TODAY...Patchy fog this morning. Sunny. Highs 60 to 72.
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 36 to
46.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 61 to 74.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog in the evening. Areas
of fog after midnight. Lows 36 to 47.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 63 to 75.
.THURSDAY NIGHT...Partly cloudy. Lows 40 to 50.
.FRIDAY...Sunny. Highs 64 to 77.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
39 to 49.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 66 to 78.
.SATURDAY NIGHT...Mostly clear. Lows 41 to 52.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 68 to 80. Lows
43 to 54.

&&
               TEMPERATURE
McCall          67  36  68

$$
=

IDZ013-291600-
Boise Mountains-
230 AM MDT Tue Sep 29 2026

.TODAY...Patchy fog this morning. Sunny. Highs 62 to 77.
.TONIGHT...Mostly clear. Lows 33 to 48.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 63 to 78.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
33 to 48.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 66 to 80.
.THURSDAY NIGHT...Decreasing clouds. Lows 36 to 51.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 68 to 83.
Lows 37 to 52.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 71 to 85. Lows
39 to 54.

&&
               TEMPERATURE
Idaho City      75  38  76

$$
=

IDZ028-291600-
Camas Prairie-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 71 to 76. Light winds this morning,
becoming west 10 to 15 mph with gusts to 25 mph this afternoon.
.TONIGHT...Mostly clear. Lows 37 to 42. West winds 10 to 15 mph.
Gusts to 25 mph in the evening.
.WEDNESDAY...Sunny. Highs 73 to 78. West winds 10 to 15 mph.
Gusts to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 37 to 42. West winds 10 to
15 mph. Gusts to 30 mph in the evening.
.THURSDAY...Sunny. Highs 73 to 78. Light winds in the morning,
becoming west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Decreasing clouds. Lows 39 to 44.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 74 to 81. Lows 40 to
47.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 43 to 48. Highs
76 to 81.

&&
               TEMPERATURE
Fairfield       75  37  76

$$
=

IDZ033-291600-
Upper Weiser River-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 70 to 77. Light winds.
.TONIGHT...Mostly clear. Lows 44 to 49. Southwest winds up to
10 mph in the evening, shifting to north after midnight.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 72 to 79.
Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 46 to 51. North winds up to
10 mph.
.THURSDAY...Sunny. Highs 73 to 80. Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows 50 to 55.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 75 to 82.
Lows 49 to 56.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 76 to 84. Lows
52 to 57.

&&
               TEMPERATURE
Council         76  45  77
Cambridge       77  44  78

$$
=

ORZ064-291600-
Oregon Lower Treasure Valley-
230 AM MDT Tue Sep 29 2026 /130 AM PDT Tue Sep 29 2026/

.TODAY...Sunny. Highs 76 to 81. West winds up to 10 mph.
.TONIGHT...Patchy smoke in the evening. Mostly clear. Lows 45 to
52. Northwest winds 10 to 15 mph.
.WEDNESDAY...Sunny. Highs 76 to 81. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 44 to 52. Northwest winds up to
10 mph.
.THURSDAY...Sunny. Highs 77 to 82. North winds up to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 46 to 54.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 78 to 83.
Lows 47 to 54.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 78 to 86. Lows
47 to 55.

&&
               TEMPERATURE
Ontario         78  45  79

$$
=

IDZ012-291600-
Lower Treasure Valley-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 75 to 80. Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 45 to 52. Northwest winds up to
10 mph.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 75 to 80.
Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Areas of fog after midnight.
Lows 46 to 51. Northwest winds up to 10 mph.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 77 to 82.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows 48 to 54.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 78 to 83.
Lows 49 to 55.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 79 to 86. Lows
50 to 56.

&&
               TEMPERATURE
Caldwell        78  46  79

$$
=

IDZ014-291600-
Upper Treasure Valley-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 74 to 79. Northwest winds 10 to 15 mph with
gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 45 to 51. Northwest winds 10 to
15 mph with gusts to 25 mph.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 75 to 80.
Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
43 to 50. Northwest winds 10 to 15 mph. Gusts to 30 mph in the
evening.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 77 to 82.
Northwest winds up to 10 mph.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 46 to
54. Highs 80 to 85.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 82 to 88. Lows
49 to 56.

&&
               TEMPERATURE
Boise           76  49  77
Mountain Home   77  45  78

$$
=

IDZ016-291600-
Western Magic Valley-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 71 to 76. West winds 10 to 15 mph with
gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 45 to 50. Southwest winds 10 to
15 mph with gusts to 25 mph.
.WEDNESDAY...Sunny. Highs 73 to 78. Breezy. West winds 10 to
20 mph with gusts to 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. West winds 10 to
15 mph with gusts to 30 mph.
.THURSDAY...Sunny. Highs 75 to 80. West winds up to 10 mph.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 46 to 54.
Highs 77 to 85.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 50 to 55. Highs
80 to 85.

&&
               TEMPERATURE
Jerome          72  47  74
Twin Falls      72  48  74

$$
=

IDZ029-291600-
Owyhee Mountains-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 69 to 74.
.TONIGHT...Mostly clear. Lows 44 to 52.
.WEDNESDAY...Sunny. Highs 69 to 75.
.WEDNESDAY NIGHT...Mostly clear. Lows 44 to 52.
.THURSDAY...Sunny. Highs 71 to 79.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 47 to
56. Highs 72 to 81.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 74 to 83. Lows
50 to 57.

$$
=

IDZ015-291600-
Southwest Highlands-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 70 to 75.
.TONIGHT...Mostly clear. Lows 40 to 49.
.WEDNESDAY...Sunny. Highs 72 to 77.
.WEDNESDAY NIGHT...Mostly clear. Lows 41 to 48.
.THURSDAY...Sunny. Highs 75 to 80.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 45 to
53. Highs 76 to 83.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 79 to 85. Lows
48 to 54.

$$
=

IDZ030-291600-
Southern Twin  Falls County-
230 AM MDT Tue Sep 29 2026

.TODAY...Sunny. Highs 69 to 74.
.TONIGHT...Mostly clear. Lows 46 to 51.
.WEDNESDAY...Sunny. Highs 71 to 76.
.WEDNESDAY NIGHT...Mostly clear. Lows 44 to 49.
.THURSDAY...Sunny. Highs 74 to 79.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 47 to 55.
Highs 77 to 85.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 52 to 57. Highs
79 to 84.

$$
=

ORZ062-291600-
Baker County-
130 AM PDT Tue Sep 29 2026

.TODAY...Sunny. Highs 70 to 76. West winds up to 10 mph.
.TONIGHT...Mostly clear. Areas of smoke in the evening. Areas of
fog after midnight. Lows 36 to 50. Northwest winds 10 to 15 mph.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 68 to 75.
Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog in the evening. Areas
of fog after midnight. Lows 34 to 49. Northwest winds up to
10 mph. Gusts to 20 mph in the evening.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 71 to 78.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows 38 to 52.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 72 to 80. Lows
38 to 52.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 73 to 80.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 40 to 54. Highs
75 to 81.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 41 to 55. Highs
77 to 83.

&&
               TEMPERATURE
Baker City      73  36  70

$$
=

ORZ061-291600-
Harney County-
130 AM PDT Tue Sep 29 2026

.TODAY...Sunny. Highs 69 to 76. West winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 34 to 45. Northwest winds up to
10 mph.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 69 to 76.
West winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
35 to 47. Light winds.
.THURSDAY...Patchy fog in the morning. Sunny. Highs 72 to 80.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows 37 to 49.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 73 to 81. Lows
37 to 49.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 39 to
52. Highs 75 to 83.
.MONDAY...Sunny. Highs 76 to 83.

&&
               TEMPERATURE
Burns           76  34  75

$$
=

ORZ063-291600-
Malheur County-
230 AM MDT Tue Sep 29 2026 /130 AM PDT Tue Sep 29 2026/

.TODAY...Sunny. Highs 73 to 79. West winds up to 10 mph.
.TONIGHT...Mostly clear. Patchy smoke. Lows 40 to 50. Northwest
winds up to 10 mph.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 73 to 79.
Northwest winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 40 to 50. North winds up to
10 mph.
.THURSDAY...Sunny. Highs 75 to 81. Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows 42 to 52.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 75 to 83.
Lows 43 to 53.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 76 to 86. Lows
45 to 55.

$$
=