Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
858
FPUS55 KBOI 142031
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 PM MDT Mon Sep 14 2026
Spot temperatures are for tonight, Tuesday, Tuesday night, and
Wednesday.
IDZ011-150400-
West Central Mountains-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 31 to
42.
.TUESDAY...Increasing clouds. Areas of fog in the morning. Highs
58 to 71.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Patchy fog after midnight. Lows 36 to 48.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 67 to 80.
.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 52.
.THURSDAY AND THURSDAY NIGHT...Rain showers likely with a slight
chance of thunderstorms. Areas of fog in the morning. Patchy fog
in the evening, then areas of fog after midnight. Chance of rain
60 percent. Highs 66 to 78. Lows 41 to 51.
.FRIDAY...Areas of fog in the morning. A 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
59 to 72.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers in
the evening, then mostly clear after midnight. Areas of fog.
Chance of rain 30 percent. Lows 38 to 48.
.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.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Patchy fog through the
day. Lows 40 to 50. Highs 65 to 78.
&&
TEMPERATURE
McCall 31 65 36 75
$$
=
IDZ013-150400-
Boise Mountains-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 29 to
44.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 63 to 77.
.TUESDAY NIGHT...Partly cloudy. Lows 34 to 49.
.WEDNESDAY...Sunny. Highs 70 to 84.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of rain showers after midnight. Chance of
rain 30 percent. Lows 42 to 57.
.THURSDAY...A chance of rain showers in the morning, then rain
showers likely with a slight chance of thunderstorms in the
afternoon. Chance of rain 60 percent. Highs 67 to 81.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of rain
showers. Areas of fog after midnight. Lows 37 to 52.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
40 percent chance of rain showers. Highs 60 to 75.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Areas
of fog after midnight. Chance of rain 20 percent. Lows 33 to 48.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 64 to 78.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 35 to 50.
Highs 68 to 82.
&&
TEMPERATURE
Idaho City 32 75 39 83
$$
=
IDZ028-150400-
Camas Prairie-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 26 to
34. West winds 10 to 15 mph with gusts to 25 mph this evening,
becoming light after midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 69 to 74.
Southeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 35 to 41. Light winds.
.WEDNESDAY...Sunny. Highs 77 to 82. North winds up to 10 mph in
the morning, shifting to southeast with gusts to 25 mph in the
afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of showers after midnight. Chance of rain
30 percent. Lows 46 to 52. Northeast winds 10 to 15 mph with
gusts to 25 mph.
.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 40 percent. Highs
74 to 79. Breezy.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of rain showers. Patchy fog through the day. Lows 38 to 44. Highs
67 to 72.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Patchy fog. Lows
34 to 42. Highs 70 to 78.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 39 to 44. Highs
74 to 79.
&&
TEMPERATURE
Fairfield 27 73 36 80
$$
=
IDZ033-150400-
Upper Weiser River-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Lows 40 to 46. Light winds.
.TUESDAY...Increasing clouds. Highs 70 to 75. Light winds.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows 47 to 52. North winds 10 to 15 mph. Gusts to
30 mph after midnight.
.WEDNESDAY...Sunny. Highs 78 to 84. Breezy. North winds 10 to
20 mph. Gusts to 35 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of showers after midnight. Chance of rain
30 percent. Lows 51 to 56. North winds 10 to 15 mph with gusts to
30 mph.
.THURSDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Chance of rain 30 percent. Highs
75 to 81.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then partly cloudy
with a slight chance of showers after midnight. Chance of rain
40 percent. Lows 49 to 54.
.FRIDAY...Partly cloudy with a 40 percent chance of showers.
Highs 70 to 77.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 47 to 54. Highs
73 to 82.
&&
TEMPERATURE
Council 42 74 49 84
Cambridge 41 75 47 84
$$
=
ORZ064-150400-
Oregon Lower Treasure Valley-
230 PM MDT Mon Sep 14 2026 /130 PM PDT Mon Sep 14 2026/
.TONIGHT...Mostly clear. Lows 40 to 45. Light winds.
.TUESDAY...Patchy fog in the morning. Mostly sunny. Highs 73 to
78. Light winds.
.TUESDAY NIGHT...Partly cloudy. Lows 48 to 53. Breezy. Light
winds in the evening, becoming northwest 10 to 20 mph with gusts
to 30 mph after midnight.
.WEDNESDAY...Sunny. Highs 81 to 86. North winds 10 to 15 mph.
Gusts to 30 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of showers after midnight. Chance of rain
30 percent. Lows 52 to 57. Northwest winds 10 to 15 mph with
gusts to 25 mph.
.THURSDAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 78 to 83.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly cloudy with a
chance of showers after midnight. Chance of rain 30 percent. Lows
49 to 55.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Patchy fog in the morning. Chance of rain 20 percent.
Highs 75 to 80.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Areas of fog through
the day. Lows 47 to 53. Highs 77 to 82.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 46 to 54.
Highs 79 to 84.
&&
TEMPERATURE
Ontario 41 76 48 84
$$
=
IDZ012-150400-
Lower Treasure Valley-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 40 to
45. North winds up to 10 mph this evening, becoming light after
midnight.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 73 to 78.
Southeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. Northwest winds up
to 10 mph. Gusts to 20 mph after midnight.
.WEDNESDAY...Sunny. Highs 78 to 84. Northwest winds up to 10 mph
with gusts to 20 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of showers after midnight. Patchy fog after
midnight. Chance of rain 30 percent. Lows 51 to 56. Northwest
winds up to 10 mph.
.THURSDAY...Patchy fog in the morning. Partly cloudy with a
slight chance of showers. A slight chance of thunderstorms in the
afternoon. Chance of rain 20 percent. Highs 77 to 82.
.THURSDAY NIGHT...Partly cloudy. A chance of showers after
midnight. Areas of fog after midnight. Chance of rain 30 percent.
Lows 49 to 54.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Areas of fog in the morning. Chance of rain 20 percent.
Highs 74 to 79.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Areas of fog through
the day. Lows 46 to 51. Highs 76 to 81.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 47 to 53.
Highs 78 to 84.
&&
TEMPERATURE
Caldwell 41 78 45 80
$$
=
IDZ014-150400-
Upper Treasure Valley-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 38 to
46. Northwest winds 10 to 15 mph with gusts to 25 mph this
evening, becoming light after midnight.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 75 to 80.
Southeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 44 to 51. North winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 78 to 85. Northwest winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of showers after midnight. Patchy fog
after midnight. Chance of rain 20 percent. Lows 51 to 57.
Northwest winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Patchy fog in the morning. A chance of
showers in the morning, then a slight chance of showers and
thunderstorms in the afternoon. Chance of rain 30 percent. Highs
79 to 84.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Areas of fog after midnight. Chance of rain 20 percent.
Lows 49 to 54.
.FRIDAY THROUGH SATURDAY...Areas of fog in the morning. Areas of
fog through the day. Mostly clear. Highs 74 to 81. Lows 45 to 51.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 46 to 53.
Highs 79 to 86.
&&
TEMPERATURE
Boise 46 77 51 81
Mountain Home 39 78 45 83
$$
=
IDZ016-150400-
Western Magic Valley-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Lows 36 to 41. West winds 10 to 15 mph
with gusts to 25 mph this evening, shifting to southeast after
midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 74 to 79.
Northeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 48. Light winds.
.WEDNESDAY...Sunny. Highs 80 to 85. East winds up to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers
after midnight. Chance of rain 20 percent. Lows 51 to 56. East
winds around 10 mph with gusts to 20 mph.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
79 to 84.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Chance of rain 20 percent. Lows 47 to 52.
.FRIDAY...Sunny. Highs 71 to 76.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
43 to 48.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 73 to 78.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 44 to 51.
Highs 77 to 83.
&&
TEMPERATURE
Jerome 40 75 47 81
Twin Falls 41 75 47 81
$$
=
IDZ029-150400-
Owyhee Mountains-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Lows 36 to 46.
.TUESDAY...Sunny. Highs 67 to 75.
.TUESDAY NIGHT...Partly cloudy. Lows 43 to 51.
.WEDNESDAY...Sunny. Highs 70 to 78.
.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 48 to 56.
.THURSDAY...Partly cloudy with a slight chance of rain showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 71 to 76.
.THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers
after midnight. Chance of rain 20 percent. Lows 44 to 53.
.FRIDAY THROUGH MONDAY...Mostly clear. Highs 69 to 79. Lows 43 to
53.
$$
=
IDZ015-150400-
Southwest Highlands-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Lows 34 to 41.
.TUESDAY...Sunny. Highs 72 to 77.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 47.
.WEDNESDAY...Sunny. Highs 75 to 80.
.WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 51.
.THURSDAY...Partly cloudy with a slight chance of rain showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 74 to 80.
.THURSDAY NIGHT...Increasing clouds. Lows 43 to 49.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 69 to 77.
Lows 41 to 48.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 75 to 82. Lows 46 to
51.
$$
=
IDZ030-150400-
Southern Twin Falls County-
230 PM MDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Lows 34 to 40.
.TUESDAY...Sunny, warmer with highs 74 to 79.
.TUESDAY NIGHT...Mostly clear. Lows 43 to 48.
.WEDNESDAY...Sunny. Highs 78 to 83.
.WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 55.
.THURSDAY...Partly cloudy. A slight chance of rain showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
77 to 82. Breezy.
.THURSDAY NIGHT...Partly cloudy. Lows 45 to 50.
.FRIDAY...Sunny. Highs 70 to 75.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Patchy fog through the
day. Lows 41 to 46. Highs 71 to 76.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 43 to 48. Highs
75 to 80.
.SUNDAY NIGHT...Increasing clouds. Lows 45 to 50.
.MONDAY...Sunny. Highs 77 to 82.
$$
=
ORZ062-150400-
Baker County-
130 PM PDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 34 to
45. Light winds.
.TUESDAY...Increasing clouds. Areas of fog in the morning. Highs
67 to 75. Southeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Areas of fog after midnight. Lows 39 to 49. North
winds 10 to 15 mph with gusts to 25 mph.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 72 to 81.
North winds 10 to 15 mph with gusts to 25 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Patchy fog after midnight. Chance of rain 20 percent. Lows 42 to
52. Northwest winds 10 to 15 mph with gusts to 25 mph.
.THURSDAY...Patchy fog in the morning. Partly cloudy with a
chance of rain showers. A slight chance of thunderstorms in the
afternoon. Chance of rain 30 percent. Highs 71 to 80.
.THURSDAY NIGHT...A chance of thunderstorms in the evening.
Mostly cloudy with a chance of rain showers. Patchy fog in the
evening. Areas of fog after midnight. Chance of rain 40 percent.
Lows 39 to 51.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
30 percent chance of rain showers. Highs 70 to 77.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Areas of fog through
the day. Lows 39 to 51. Highs 73 to 79.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 39 to 53.
Highs 74 to 82.
&&
TEMPERATURE
Baker City 34 71 39 76
$$
=
ORZ061-150400-
Harney County-
130 PM PDT Mon Sep 14 2026
.TONIGHT...Mostly clear. Lows 33 to 42. Light winds.
.TUESDAY...Mostly sunny. Highs 68 to 76. Light winds.
.TUESDAY NIGHT...Partly cloudy. A chance of rain showers after
midnight. Chance of rain 30 percent. Lows 39 to 46. North winds
10 to 15 mph with gusts to 25 mph.
.WEDNESDAY...Partly sunny in the morning, then clearing. Highs
68 to 76. North winds around 10 mph.
.WEDNESDAY NIGHT...Increasing clouds. Lows 41 to 49. North winds
around 10 mph with gusts to 20 mph.
.THURSDAY...Partly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
40 percent. Highs 67 to 74.
.THURSDAY NIGHT...Partly cloudy. A chance of rain showers in the
evening. Areas of fog after midnight. Chance of rain 30 percent.
Lows 38 to 47.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 67 to 74.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 37 to 50. Highs
70 to 80.
&&
TEMPERATURE
Burns 35 72 39 74
$$
=
ORZ063-150400-
Malheur County-
230 PM MDT Mon Sep 14 2026 /130 PM PDT Mon Sep 14 2026/
.TONIGHT...Mostly clear. Lows 35 to 45. Light winds.
.TUESDAY...Sunny. Highs 70 to 78. East winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 41 to 50. North winds 10 to
15 mph. Gusts to 25 mph after midnight.
.WEDNESDAY...Sunny. Highs 75 to 81. North winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Chance of rain 20 percent. Lows 46 to 54. North winds 10 to
15 mph.
.THURSDAY...Partly cloudy with a slight chance of rain showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 73 to 80.
.THURSDAY NIGHT...Partly cloudy. A chance of rain showers, mainly
in the evening. Patchy fog after midnight. Chance of rain
30 percent. Lows 43 to 53.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 71 to 78.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 43 to 53. Highs
74 to 83.
$$
=