Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
388
FPUS55 KBOI 140831
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 AM MDT Mon Sep 14 2026
Spot temperatures are for today, tonight, and Tuesday.
IDZ011-141600-
West Central Mountains-
230 AM MDT Mon Sep 14 2026
.TODAY...Partly sunny this morning, then clearing. Areas of fog
this morning. Highs 53 to 66.
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 33 to
43.
.TUESDAY...Areas of fog in the morning. Mostly sunny. Highs 58 to
71.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows
37 to 47.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 65 to 79.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
39 to 49.
.THURSDAY...Patchy fog in the morning. A slight chance of rain
showers in the morning, then rain showers likely with a slight
chance of thunderstorms in the afternoon. Chance of rain
60 percent. Highs 66 to 78.
.THURSDAY NIGHT...Rain showers likely with a slight chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Areas of fog after midnight. Chance of rain 60 percent.
Lows 40 to 50.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
chance of rain showers. A slight chance of thunderstorms in the
afternoon. Chance of rain 50 percent. Highs 59 to 72.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Areas
of fog after midnight. Chance of rain 20 percent. Lows 37 to 47.
.SATURDAY THROUGH SUNDAY...Areas of fog in the morning. Areas of
fog through the day. Mostly clear. Highs 62 to 77. Lows 38 to 48.
&&
TEMPERATURE
McCall 60 34 65
$$
=
IDZ013-141600-
Boise Mountains-
230 AM MDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 56 to 70.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 28 to
43.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 63 to 77.
.TUESDAY NIGHT...Partly cloudy. Lows 33 to 48.
.WEDNESDAY...Sunny. Highs 69 to 83.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Chance of rain 20 percent. Lows 35 to 50.
.THURSDAY...A slight chance of rain showers in the morning, then
rain showers likely with a slight chance of thunderstorms in the
afternoon. Chance of rain 60 percent. Highs 66 to 80.
.THURSDAY NIGHT...Decreasing clouds. A slight chance of
thunderstorms in the evening. A chance of rain showers. Areas of
fog after midnight. Chance of rain 40 percent. Lows 35 to 50.
.FRIDAY...Mostly sunny. Areas of fog in the morning. A chance of
rain showers, mainly in the afternoon. Chance of rain 30 percent.
Highs 61 to 75.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Areas of fog through
the day. Lows 33 to 48. Highs 63 to 78.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 33 to 48. Highs
67 to 82.
&&
TEMPERATURE
Idaho City 68 34 75
$$
=
IDZ028-141600-
Camas Prairie-
230 AM MDT Mon Sep 14 2026
.TODAY...Sunny. Highs 64 to 69. West winds 10 to 15 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 28 to
36. West winds 10 to 15 mph in the evening, becoming light after
midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 70 to 75.
Light winds.
.TUESDAY NIGHT...Mostly clear. Lows 34 to 41. Light winds.
.WEDNESDAY...Sunny. Highs 75 to 80. Light winds in the morning,
becoming southeast 10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Chance of rain 20 percent. Lows 42 to 47.
.THURSDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 72 to 77. Breezy.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing. A
20 percent chance of rain showers. Patchy fog after midnight.
Lows 35 to 42.
.FRIDAY...Patchy fog in the morning. Sunny. Highs 68 to 73.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 31 to 41. Highs
70 to 78.
&&
TEMPERATURE
Fairfield 67 29 73
$$
=
IDZ033-141600-
Upper Weiser River-
230 AM MDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 65 to 72. Light
winds.
.TONIGHT...Mostly clear. Lows 41 to 46. Light winds.
.TUESDAY...Mostly sunny. Highs 70 to 76. South winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows 47 to 52. North winds 10 to
15 mph. Gusts to 25 mph after midnight.
.WEDNESDAY...Sunny. Highs 77 to 84. North winds 10 to 15 mph.
Gusts to 25 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear. Lows 48 to 53. Breezy.
.THURSDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Chance of rain 30 percent. Highs
74 to 81.
.THURSDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of showers. Chance of rain
50 percent. Lows 49 to 54.
.FRIDAY...Partly cloudy. A chance of showers, mainly in the
morning. Chance of rain 30 percent. Highs 70 to 76.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 46 to 52. Highs
73 to 82.
&&
TEMPERATURE
Council 70 43 74
Cambridge 72 42 76
$$
=
ORZ064-141600-
Oregon Lower Treasure Valley-
230 AM MDT Mon Sep 14 2026 /130 AM PDT Mon Sep 14 2026/
.TODAY...Areas of fog this morning. Sunny. Highs 70 to 75. West
winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 42 to 47. Light winds.
.TUESDAY...Mostly sunny. Highs 74 to 79. Light winds.
.TUESDAY NIGHT...Decreasing clouds. Lows 48 to 53. Light winds in
the evening, becoming northwest 10 to 15 mph with gusts to 25 mph
after midnight.
.WEDNESDAY...Sunny. Highs 78 to 83. North winds 10 to 15 mph with
gusts to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers
after midnight. Chance of rain 20 percent. Lows 49 to 54.
.THURSDAY...Mostly sunny. Highs 78 to 83.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of
showers. Patchy fog after midnight. Lows 48 to 53.
.FRIDAY...Patchy fog in the morning. Sunny. Highs 74 to 79.
.FRIDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
45 to 50.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 77 to 82.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 46 to 52. Highs
79 to 84.
&&
TEMPERATURE
Ontario 73 42 77
$$
=
IDZ012-141600-
Lower Treasure Valley-
230 AM MDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 68 to 73. West
winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 41 to 46. North winds up to 10 mph
in the evening, becoming light after midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 74 to 79.
Southeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 47 to 52. Northwest winds up
to 10 mph.
.WEDNESDAY...Sunny. Highs 77 to 83. Northwest winds up to 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 48 to 53.
Highs 77 to 82.
.THURSDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a chance of showers. Areas of fog
after midnight. Chance of rain 30 percent. Lows 48 to 53.
.FRIDAY...Sunny. Areas of fog in the morning. A slight chance of
showers in the afternoon. Chance of rain 20 percent. Highs 73 to
78.
.FRIDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
45 to 50.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 76 to 81.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 47 to 52. Highs
78 to 83.
&&
TEMPERATURE
Caldwell 72 44 78
$$
=
IDZ014-141600-
Upper Treasure Valley-
230 AM MDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 67 to 72.
Northwest winds 10 to 15 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 39 to
47. Northwest winds 10 to 15 mph in the evening, shifting to east
after midnight.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 75 to 80.
Southeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 45 to 51. Northwest winds up
to 10 mph.
.WEDNESDAY...Sunny. Highs 77 to 82. North winds up to 10 mph.
.WEDNESDAY NIGHT...Increasing clouds. Lows 48 to 54.
.THURSDAY...Partly cloudy with a 20 percent chance of showers.
Highs 77 to 82.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of
showers. Areas of fog after midnight. Lows 46 to 53.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Areas of fog in the
morning. Areas of fog after midnight. Highs 73 to 78. Lows 43 to
51.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 76 to 81.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 45 to 52. Highs
78 to 83.
&&
TEMPERATURE
Boise 70 47 78
Mountain Home 71 41 79
$$
=
IDZ016-141600-
Western Magic Valley-
230 AM MDT Mon Sep 14 2026
.TODAY...Sunny. Highs 65 to 70. West winds 10 to 15 mph with
gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 37 to 42. West winds 10 to 15 mph
in the evening, shifting to southeast after midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 74 to 79.
Northeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 47. Light winds in the
evening, becoming south up to 10 mph after midnight.
.WEDNESDAY...Sunny. Highs 78 to 83. East winds up to 10 mph.
.WEDNESDAY NIGHT...Increasing clouds. Lows 48 to 53.
.THURSDAY...Sunny. Highs 76 to 81.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 44 to 49.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 71 to 81. Lows 41 to
47.
&&
TEMPERATURE
Jerome 66 41 75
Twin Falls 66 41 76
$$
=
IDZ029-141600-
Owyhee Mountains-
230 AM MDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 62 to 67.
.TONIGHT...Mostly clear. Lows 37 to 47.
.TUESDAY...Sunny. Highs 68 to 75.
.TUESDAY NIGHT...Increasing clouds. Lows 43 to 51.
.WEDNESDAY...Sunny. Highs 69 to 76.
.WEDNESDAY NIGHT...Increasing clouds. Lows 45 to 53.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance
of rain showers. Highs 69 to 74. Lows 43 to 52.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 67 to 72.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 42 to 52. Highs
70 to 78.
$$
=
IDZ015-141600-
Southwest Highlands-
230 AM MDT Mon Sep 14 2026
.TODAY...Patchy fog this morning. Sunny. Highs 63 to 68.
.TONIGHT...Mostly clear. Lows 36 to 41.
.TUESDAY...Sunny. Highs 72 to 77.
.TUESDAY NIGHT...Mostly clear. Lows 41 to 46.
.WEDNESDAY...Sunny. Highs 72 to 77.
.WEDNESDAY NIGHT...Increasing clouds. Lows 44 to 49.
.THURSDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 72 to 77.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 39 to 47.
Highs 69 to 79.
$$
=
IDZ030-141600-
Southern Twin Falls County-
230 AM MDT Mon Sep 14 2026
.TODAY...Sunny. Highs 64 to 69.
.TONIGHT...Mostly clear. Lows 36 to 41.
.TUESDAY...Mostly sunny. Warmer with highs 74 to 79.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 47.
.WEDNESDAY...Sunny. Highs 76 to 81.
.WEDNESDAY NIGHT...Increasing clouds. Lows 47 to 52.
.THURSDAY...Sunny. Highs 74 to 79. Breezy.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 43 to 48.
.FRIDAY...Sunny. Highs 70 to 75.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Patchy fog through the
day. Lows 39 to 45. Highs 73 to 78.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 42 to 47. Highs
75 to 80.
$$
=
ORZ062-141600-
Baker County-
130 AM PDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 64 to 72.
Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 34 to
46. Light winds.
.TUESDAY...Increasing clouds. Areas of fog in the morning. Highs
68 to 76. Southeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of rain showers
after midnight. Patchy fog after midnight. Chance of rain
20 percent. Lows 37 to 49. North winds 10 to 15 mph.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 70 to 79.
North winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 37 to 49.
.THURSDAY...Patchy fog in the morning. Partly cloudy with a
slight chance of rain showers. A slight chance of thunderstorms
in the afternoon. Chance of rain 20 percent. Highs 73 to 80.
.THURSDAY NIGHT...Decreasing clouds. A slight chance of
thunderstorms in the evening. A chance of rain showers. Patchy
fog in the evening. Areas of fog after midnight. Chance of rain
40 percent. Lows 39 to 51.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
chance of rain showers. A slight chance of thunderstorms in the
afternoon. Chance of rain 30 percent. Highs 70 to 77.
.FRIDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
38 to 50.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 73 to 79.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 39 to 52. Highs
75 to 82.
&&
TEMPERATURE
Baker City 68 34 72
$$
=
ORZ061-141600-
Harney County-
130 AM PDT Mon Sep 14 2026
.TODAY...Areas of fog this morning. Sunny. Highs 62 to 69.
Southwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 33 to 43. Light winds.
.TUESDAY...Mostly sunny. Highs 68 to 76. Light winds.
.TUESDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a chance of rain showers after midnight. Chance of rain
30 percent. Lows 37 to 47. North winds 10 to 15 mph.
.WEDNESDAY...Partly sunny in the morning, then clearing. Highs
66 to 74. Northeast winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Chance of rain 20 percent. Lows 36 to 47.
.THURSDAY...Partly cloudy. A chance of rain showers in the
morning, then a slight chance of rain showers and thunderstorms
in the afternoon. Chance of rain 30 percent. Highs 66 to 74.
.THURSDAY NIGHT...Partly cloudy with a chance of rain showers
with a slight chance of thunderstorms in the evening, then mostly
clear after midnight. Patchy fog after midnight. Chance of rain
30 percent. Lows 37 to 47.
.FRIDAY...Sunny. Patchy fog in the morning. A slight chance of
rain showers in the afternoon. Chance of rain 20 percent. Highs
66 to 73.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 36 to 48. Highs
70 to 78.
&&
TEMPERATURE
Burns 67 33 73
$$
=
ORZ063-141600-
Malheur County-
230 AM MDT Mon Sep 14 2026 /130 AM PDT Mon Sep 14 2026/
.TODAY...Areas of fog this morning. Sunny. Highs 66 to 72. West
winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 37 to 47. Light winds.
.TUESDAY...Mostly sunny. Highs 72 to 78. East winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 42 to 52. North winds up to
10 mph with gusts to 20 mph.
.WEDNESDAY...Sunny. Highs 73 to 79. North winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Chance of rain 20 percent. Lows 43 to 52.
.THURSDAY...Partly cloudy. A slight chance of rain showers in the
morning. Chance of rain 20 percent. Highs 72 to 79.
.THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers
after midnight. Patchy fog after midnight. Chance of rain
20 percent. Lows 42 to 52.
.FRIDAY...Sunny. Patchy fog in the morning. A slight chance of
rain showers in the afternoon. Chance of rain 20 percent. Highs
70 to 76.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 41 to 51. Highs
74 to 81.
$$
=