Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
844
FPUS55 KBOI 151837
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
1236 PM MDT Tue Sep 15 2026
Spot temperatures are for tonight, Wednesday, Wednesday night,
and Thursday.
IDZ011-160200-
West Central Mountains-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows 37 to
49.
.WEDNESDAY...Sunny, warmer with highs 68 to 81.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a chance of rain showers with a slight chance of
thunderstorms after midnight. Chance of rain 30 percent. Lows
42 to 53.
.THURSDAY...Increasing clouds. A chance of thunderstorms. Rain
showers, mainly in the afternoon. Thunderstorms may produce gusty
winds, small hail, and heavy rainfall. Chance of rain 90 percent.
Highs 67 to 78.
.THURSDAY NIGHT...A chance of thunderstorms in the evening. Rain
showers likely. Areas of fog after midnight. Thunderstorms may
produce heavy rainfall, gusty winds, and small hail in the
evening. Chance of rain 70 percent. Lows 43 to 50.
.FRIDAY...Areas of fog in the morning. Rain showers likely in the
morning, then rain showers with a slight chance of thunderstorms
in the afternoon. Chance of rain 80 percent. Highs 59 to 72.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then mostly
clear after midnight. Areas of fog after midnight. 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 63 to 78. Lows 39 to 49.
.SUNDAY NIGHT...Increasing clouds. Lows 40 to 50.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 67 to 80. Lows
41 to 51.
.TUESDAY...Mostly sunny. Highs 63 to 76.
&&
TEMPERATURE
McCall 37 75 42 73
$$
=
IDZ013-160200-
Boise Mountains-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy. Lows 35 to 50.
.WEDNESDAY...Sunny. Highs 71 to 85.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a chance of rain showers with a slight chance of
thunderstorms after midnight. Chance of rain 30 percent. Lows
42 to 57.
.THURSDAY...Increasing clouds. A chance of thunderstorms. Rain
showers, mainly in the afternoon. Thunderstorms may produce gusty
winds, small hail, and heavy rainfall. Chance of rain 80 percent.
Highs 68 to 82. Breezy. Gusts to 35 mph.
.THURSDAY NIGHT...A chance of thunderstorms in the evening.
Partly cloudy with a chance of rain showers. Patchy fog after
midnight. Thunderstorms may produce heavy rainfall, gusty winds,
and small hail in the evening. Chance of rain 30 percent. Lows
40 to 53.
.FRIDAY...Patchy fog in the morning. Rain showers likely. A
slight chance of thunderstorms in the afternoon. Chance of rain
70 percent. Highs 60 to 75.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Areas
of fog after midnight. Chance of rain 20 percent. Lows 34 to 49.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 64 to 78.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 35 to 50. Highs
68 to 82.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 37 to
52. Highs 70 to 84.
.TUESDAY...Sunny. Highs 66 to 81.
&&
TEMPERATURE
Idaho City 40 83 48 80
$$
=
IDZ028-160200-
Camas Prairie-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows 36 to 41. Northwest winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 78 to 83. East winds 10 to 15 mph with
gusts to 25 mph.
.WEDNESDAY NIGHT...Increasing clouds. A slight chance of
thunderstorms. Showers likely, mainly after midnight. Chance of
rain 60 percent. Warmer with lows 49 to 54. East winds 10 to
15 mph with gusts to 30 mph.
.THURSDAY...A chance of thunderstorms. Showers. Thunderstorms may
produce gusty winds, small hail, and heavy rainfall. Chance of
rain 80 percent. Highs 75 to 80. Breezy. East winds 10 to 20 mph
in the morning, shifting to south in the afternoon. Gusts to
30 mph.
.THURSDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of rain showers.
Thunderstorms may produce heavy rainfall, gusty winds, and small
hail in the evening. Chance of rain 20 percent. Lows 43 to 48.
West winds 10 to 15 mph with gusts to 25 mph in the evening,
becoming light after midnight.
.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.
Highs 68 to 73.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing.
Patchy fog after midnight. Lows 35 to 42.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 70 to 75.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Patchy fog through the
day. Lows 37 to 43. Highs 72 to 77.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 39 to
46. Highs 75 to 80.
.TUESDAY...Sunny. Highs 73 to 78.
&&
TEMPERATURE
Fairfield 37 81 49 78
$$
=
IDZ033-160200-
Upper Weiser River-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. Lows 48 to 53. Breezy. North winds up
to 10 mph this evening, increasing to 10 to 20 mph with gusts to
35 mph after midnight.
.WEDNESDAY...Sunny, warmer with highs 78 to 85. Breezy. North
winds 10 to 20 mph with gusts to 35 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Chance of rain 40 percent. Lows
53 to 58. Breezy. North winds 10 to 20 mph with gusts to 35 mph.
.THURSDAY...A chance of thunderstorms. Showers. Thunderstorms may
produce gusty winds, small hail, and heavy rainfall. Chance of
rain 80 percent. Highs 75 to 81. North winds 10 to 15 mph with
gusts to 30 mph in the morning, shifting to southwest in the
afternoon.
.THURSDAY NIGHT...Showers likely with a chance of thunderstorms
in the evening, then a chance of showers after midnight.
Thunderstorms may produce heavy rainfall, gusty winds, and small
hail in the evening. Chance of rain 60 percent. Lows 50 to 55.
South winds up to 10 mph.
.FRIDAY...Decreasing clouds. A chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 50 percent.
Highs 70 to 76.
.FRIDAY NIGHT...Mostly clear. Lows 48 to 53.
.SATURDAY...Sunny. Highs 73 to 79.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 48 to 54.
Highs 75 to 83.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 50 to 55. Highs
73 to 79.
&&
TEMPERATURE
Council 49 85 54 81
Cambridge 48 85 54 81
$$
=
ORZ064-160200-
Oregon Lower Treasure Valley-
1236 PM MDT Tue Sep 15 2026 /1136 AM PDT Tue Sep 15 2026/
.TONIGHT...Mostly cloudy. Lows 49 to 54. Breezy. North winds up
to 10 mph this evening, increasing to northwest 10 to 20 mph with
gusts to 30 mph after midnight.
.WEDNESDAY...Sunny. Highs 81 to 86. Breezy. North winds 10 to
20 mph with gusts to 30 mph.
.WEDNESDAY NIGHT...Clear in the evening, then mostly cloudy with
a chance of showers with a slight chance of thunderstorms after
midnight. Chance of rain 40 percent. Lows 53 to 58. Breezy.
Northwest winds 10 to 20 mph with gusts to 30 mph.
.THURSDAY...A chance of thunderstorms. Showers likely, mainly in
the morning. Thunderstorms may produce gusty winds, small hail,
and heavy rainfall. Chance of rain 60 percent. Highs 78 to 83.
North winds 10 to 15 mph in the morning, shifting to southwest in
the afternoon. Gusts to 25 mph.
.THURSDAY NIGHT...Increasing clouds. A chance of thunderstorms in
the evening. A chance of showers. Thunderstorms may produce heavy
rainfall, gusty winds, and small hail in the evening. Chance of
rain 30 percent. Lows 51 to 56. West winds 10 to 15 mph with
gusts to 25 mph in the evening, becoming light after midnight.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Chance of rain 20 percent. Highs 74 to 79.
.FRIDAY NIGHT...Mostly clear. Lows 47 to 53.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 77 to 82.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 47 to 54. Highs
79 to 84.
.SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 47 to 55.
Highs 77 to 85.
&&
TEMPERATURE
Ontario 49 84 53 81
$$
=
IDZ012-160200-
Lower Treasure Valley-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. Lows 46 to 51. Northwest winds 10 to
15 mph.
.WEDNESDAY...Sunny. Highs 78 to 85. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Patchy fog after midnight. Chance
of rain 40 percent. Lows 52 to 57. Northwest winds 10 to 15 mph.
.THURSDAY...Patchy fog in the morning. Partly cloudy with a
chance of showers and thunderstorms. Thunderstorms may produce
gusty winds, small hail, and heavy rainfall. Chance of rain
40 percent. Highs 78 to 83. Northwest winds up to 10 mph in the
morning, shifting to southwest in the afternoon.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly cloudy with a
chance of showers after midnight. Patchy fog after midnight.
Thunderstorms may produce heavy rainfall, gusty winds, and small
hail in the evening. Chance of rain 30 percent. Lows 50 to 55.
West winds 10 to 15 mph with gusts to 25 mph in the evening,
becoming light after midnight.
.FRIDAY...Partly cloudy. A chance of showers in the morning.
Areas of fog in the morning. Chance of rain 30 percent. Highs
73 to 78.
.FRIDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
47 to 52.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 76 to 81.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 48 to 53. Highs
79 to 84.
.SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 49 to 54.
Highs 77 to 86.
&&
TEMPERATURE
Caldwell 46 81 53 80
$$
=
IDZ014-160200-
Upper Treasure Valley-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows 45 to 51. Northwest winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 79 to 86. West winds around 10 mph with
gusts to 20 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Chance of rain 30 percent. Lows
52 to 57. Northwest winds around 10 mph with gusts to 20 mph.
.THURSDAY...Mostly sunny. Patchy fog in the morning. A slight
chance of showers and thunderstorms in the afternoon.
Thunderstorms may produce heavy rainfall, gusty winds, and small
hail in the afternoon. Chance of rain 20 percent. Highs 79 to 85.
Southeast winds 10 to 15 mph in the morning, shifting to
southwest in the afternoon. Gusts to 25 mph.
.THURSDAY 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 50 to 56. West winds
10 to 15 mph. Gusts to 30 mph in the evening, decreasing to
20 mph after midnight.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Patchy fog in the morning. Chance of rain 20 percent.
Highs 73 to 78.
.FRIDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
46 to 52.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 76 to 81.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 47 to 53. Highs
80 to 85.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 48 to
55. Highs 82 to 87.
.TUESDAY...Sunny. Highs 78 to 83.
&&
TEMPERATURE
Boise 51 81 56 81
Mountain Home 45 83 53 83
$$
=
IDZ016-160200-
Western Magic Valley-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows 44 to 49. North winds up to 10 mph
this evening, shifting to south after midnight.
.WEDNESDAY...Sunny. Highs 81 to 86. East winds around 10 mph with
gusts to 20 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Chance of rain 30 percent. Warmer
with lows 55 to 60. East winds 10 to 15 mph with gusts to 30 mph.
.THURSDAY...Partly cloudy with a chance of showers and
thunderstorms. Thunderstorms may produce gusty winds, small hail,
and heavy rainfall. Chance of rain 30 percent. Highs 80 to 85.
Southeast winds 10 to 15 mph in the morning, shifting to
southwest in the afternoon. Gusts to 30 mph.
.THURSDAY NIGHT...Increasing clouds. Lows 49 to 54. West winds
10 to 15 mph with gusts to 25 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 72 to 77. Lows
45 to 50.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 73 to 78.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 44 to 49. Highs
77 to 82.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 46 to
53. Highs 80 to 85.
.TUESDAY...Sunny. Highs 77 to 82.
&&
TEMPERATURE
Jerome 47 82 58 81
Twin Falls 47 82 58 81
$$
=
IDZ029-160200-
Owyhee Mountains-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Partly cloudy. Lows 44 to 51.
.WEDNESDAY...Sunny. Highs 71 to 79.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Chance of rain 30 percent. Lows
49 to 56.
.THURSDAY...Partly cloudy. A chance of rain showers and
thunderstorms in the afternoon. Thunderstorms may produce heavy
rainfall, gusty winds, and small hail in the afternoon. Chance of
rain 30 percent. Highs 70 to 75. Breezy.
.THURSDAY NIGHT...Increasing clouds. Lows 46 to 54.
.FRIDAY...Partly cloudy. A chance of rain showers, mainly in the
afternoon. Chance of rain 30 percent. Highs 66 to 71.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 44 to 53. Highs
70 to 80.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 47 to
55. Highs 75 to 81.
.TUESDAY...Sunny. Highs 71 to 77.
$$
=
IDZ015-160200-
Southwest Highlands-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows 43 to 48.
.WEDNESDAY...Sunny. Highs 76 to 81.
.WEDNESDAY NIGHT...Increasing clouds. Lows 49 to 54. Breezy.
.THURSDAY...Sunny. Highs 74 to 80. Breezy.
.THURSDAY NIGHT...Increasing clouds. Lows 43 to 51. Breezy.
.FRIDAY...Mostly sunny. Highs 69 to 74.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 41 to 48. Highs
72 to 81.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 46 to
52. Highs 78 to 83.
.TUESDAY...Sunny. Highs 75 to 80.
$$
=
IDZ030-160200-
Southern Twin Falls County-
1236 PM MDT Tue Sep 15 2026
.TONIGHT...Mostly clear. Lows 44 to 49.
.WEDNESDAY...Sunny. Highs 80 to 85.
.WEDNESDAY NIGHT...Increasing clouds. Lows 54 to 59.
.THURSDAY...Sunny. Highs 78 to 83. Breezy.
.THURSDAY NIGHT...Decreasing clouds. Lows 48 to 53.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 71 to 76. Lows
43 to 48.
.SATURDAY...Sunny. Highs 72 to 77.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 43 to 48. Highs
76 to 81.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 46 to
53. Highs 78 to 83.
.TUESDAY...Sunny. Highs 76 to 81.
$$
=
ORZ062-160200-
Baker County-
1136 AM PDT Tue Sep 15 2026
.TONIGHT...Mostly cloudy. Lows 41 to 51. North winds 10 to 15 mph
with gusts to 30 mph.
.WEDNESDAY...Sunny. Highs 73 to 81. Northwest winds 10 to 15 mph
with gusts to 30 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a chance of rain showers with a slight chance of
thunderstorms after midnight. Chance of rain 40 percent. Lows
43 to 54. Breezy. Northwest winds 10 to 20 mph with gusts to
30 mph.
.THURSDAY...Rain showers with a chance of thunderstorms.
Thunderstorms may produce gusty winds, small hail, and heavy
rainfall. Chance of rain 80 percent. Highs 71 to 80. Northwest
winds 10 to 15 mph with gusts to 25 mph.
.THURSDAY NIGHT...Rain showers likely with a chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Patchy fog after midnight. Thunderstorms may produce
heavy rainfall, gusty winds, and small hail in the evening.
Chance of rain 60 percent. Lows 44 to 54. Northwest winds 10 to
15 mph in the evening, becoming light after midnight.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
chance of rain showers. A slight chance of thunderstorms in the
afternoon. Chance of rain 40 percent. Highs 69 to 76.
.FRIDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
38 to 51.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 73 to 79.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 40 to 54.
Highs 75 to 83.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 40 to 53. Highs
71 to 78.
&&
TEMPERATURE
Baker City 41 76 43 75
$$
=
ORZ061-160200-
Harney County-
1136 AM PDT Tue Sep 15 2026
.TONIGHT...Increasing clouds. Lows 40 to 47. North winds 10 to
15 mph. Gusts to 30 mph after midnight.
.WEDNESDAY...Partly cloudy. A slight chance of rain showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
69 to 77. Northeast winds 10 to 15 mph with gusts to 25 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a chance of rain showers with a slight chance of
thunderstorms after midnight. Chance of rain 40 percent. Lows
42 to 49. North winds 10 to 15 mph with gusts to 25 mph.
.THURSDAY...Decreasing clouds. Rain showers likely with a chance
of thunderstorms. Thunderstorms may produce gusty winds, small
hail, and heavy rainfall. Chance of rain 60 percent. Highs 66 to
72. West winds 10 to 15 mph with gusts to 25 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
thunderstorms in the evening, then partly cloudy with a slight
chance of rain showers after midnight. Patchy fog after midnight.
Thunderstorms may produce heavy rainfall, gusty winds, and small
hail in the evening. Chance of rain 40 percent. Lows 41 to 48.
Breezy. West winds 10 to 20 mph. Gusts to 30 mph in the evening,
decreasing to 20 mph after midnight.
.FRIDAY...Patchy fog in the morning. Mostly sunny. Highs 67 to
74.
.FRIDAY NIGHT AND SATURDAY...Clear. Lows 37 to 47. Highs 70 to
77.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 39 to 49. Highs
73 to 80.
.SUNDAY NIGHT...Partly cloudy. Lows 40 to 50.
.MONDAY...Sunny. Highs 74 to 81.
.MONDAY NIGHT...Partly cloudy. Lows 39 to 49.
.TUESDAY...Sunny. Highs 69 to 76.
&&
TEMPERATURE
Burns 40 76 43 71
$$
=
ORZ063-160200-
Malheur County-
1236 PM MDT Tue Sep 15 2026 /1136 AM PDT Tue Sep 15 2026/
.TONIGHT...Partly cloudy. Lows 42 to 51. North winds 10 to 15 mph
with gusts to 25 mph.
.WEDNESDAY...Sunny. Highs 76 to 82. North winds 10 to 15 mph with
gusts to 30 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Chance of rain 40 percent. Lows
47 to 55. North winds 10 to 15 mph with gusts to 30 mph.
.THURSDAY...Partly cloudy with a chance of rain showers and
thunderstorms. Thunderstorms may produce gusty winds, small hail,
and heavy rainfall. Chance of rain 30 percent. Highs 72 to 79.
Northwest winds 10 to 15 mph in the morning, shifting to
southwest in the afternoon. Gusts to 25 mph.
.THURSDAY NIGHT...Partly cloudy. A chance of rain showers and
thunderstorms in the evening, then a slight chance of rain
showers after midnight. Thunderstorms may produce heavy rainfall,
gusty winds, and small hail in the evening. Chance of rain
50 percent. Lows 46 to 54. Southwest winds 10 to 15 mph. Gusts to
25 mph in the evening.
.FRIDAY...Partly cloudy with a slight chance of rain showers in
the morning, then sunny in the afternoon. Chance of rain
20 percent. Highs 70 to 76.
.FRIDAY NIGHT...Mostly clear. Lows 42 to 52.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 74 to 80.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 44 to 53. Highs
76 to 83.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 45 to
54. Highs 79 to 84.
.TUESDAY...Sunny. Highs 74 to 80.
$$
=