Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
488
FPUS55 KBOI 312108
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 PM MDT Sun Aug 31 2025
Spot temperatures are for tonight, Labor Day, Monday night, and
Tuesday.
IDZ011-010500-
West Central Mountains-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Partly cloudy. Areas of smoke after midnight. Lows
52 to 62.
.LABOR DAY...Sunny. Areas of smoke. Highs 80 to 93.
.MONDAY NIGHT...Areas of smoke in the evening. Mostly clear. Lows
54 to 64.
.TUESDAY...Sunny. Highs 80 to 94.
.TUESDAY NIGHT...Partly cloudy. Lows 53 to 63.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 78 to 92.
Lows 53 to 63.
.THURSDAY...Sunny. Highs 77 to 91.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 52 to
62. Highs 75 to 89.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
72 to 85.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 30 percent chance
of rain showers. Lows 49 to 59. Highs 69 to 82.
&&
TEMPERATURE
McCall 53 89 54 89
$$
=
IDZ013-010500-
Boise Mountains-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Mostly clear. Areas of smoke. Lows 47 to 62.
.LABOR DAY...Sunny. Areas of smoke. Highs 82 to 97.
.MONDAY NIGHT...Mostly clear. Lows 50 to 65.
.TUESDAY...Sunny. Highs 82 to 97.
.TUESDAY NIGHT...Partly cloudy. Lows 49 to 64.
.WEDNESDAY...Mostly sunny. Highs 79 to 93.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
47 to 62. Highs 79 to 93.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 77 to 92. Lows
47 to 62.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
74 to 88.
.SATURDAY NIGHT...Decreasing clouds. A 20 percent chance of rain
showers. Lows 44 to 59.
.SUNDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 71 to 86.
&&
TEMPERATURE
Idaho City 51 96 53 96
$$
=
IDZ028-010500-
Camas Prairie-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Mostly clear. Areas of smoke. Lows 48 to 55. East
winds 10 to 15 mph.
.LABOR DAY...Sunny. Areas of smoke. Highs 84 to 89. East winds
10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 57. Northeast winds
around 10 mph.
.TUESDAY...Sunny. Highs 86 to 91. Northeast winds around 10 mph
in the morning, shifting to southeast in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 51 to 57. Northeast winds
around 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 83 to 88.
Lows 50 to 56.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 82 to 87. Lows
49 to 55.
.FRIDAY NIGHT...Partly cloudy. Lows 50 to 56.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Highs 78 to 83.
Lows 47 to 53.
.SUNDAY...Mostly sunny. Highs 77 to 82.
&&
TEMPERATURE
Fairfield 49 87 52 89
$$
=
IDZ033-010500-
Upper Weiser River-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Partly cloudy. Lows 61 to 66. East winds up to 10 mph.
.LABOR DAY...Sunny. Areas of smoke. Highs 91 to 97. Northeast
winds up to 10 mph in the morning, becoming light in the
afternoon.
.MONDAY NIGHT...Mostly clear. Areas of smoke. Lows 64 to 69.
Northeast winds up to 10 mph.
.TUESDAY...Sunny. Highs 92 to 98. Northeast winds up to 10 mph in
the morning, becoming light in the afternoon.
.TUESDAY NIGHT...Increasing clouds. Lows 63 to 68. North winds up
to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 88 to 94.
Lows 63 to 68.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 89 to 94. Lows
63 to 68.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 86 to 93. Lows
63 to 68.
.SATURDAY...Mostly sunny. Highs 82 to 88.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows 60 to 65.
.SUNDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 80 to 85.
&&
TEMPERATURE
Council 64 97 66 97
Cambridge 61 95 64 97
$$
=
ORZ064-010500-
Oregon Lower Treasure Valley-
307 PM MDT Sun Aug 31 2025 /207 PM PDT Sun Aug 31 2025/
.TONIGHT...Partly cloudy. Areas of smoke after midnight. Lows
60 to 67. East winds up to 10 mph. Gusts to 20 mph this evening.
.LABOR DAY...Sunny. Areas of smoke. Highs 93 to 98. East winds up
to 10 mph.
.MONDAY NIGHT...Areas of smoke in the evening. Mostly clear. Lows
61 to 68. Light winds.
.TUESDAY...Sunny. Highs 94 to 99. Light winds.
.TUESDAY NIGHT...Increasing clouds. Lows 62 to 69. Light winds.
.WEDNESDAY...Mostly sunny. Highs 92 to 97.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 61 to 68.
Highs 92 to 97.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 61 to 68. Highs
90 to 95.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Chance of rain 20 percent. Lows 62 to 68.
.SATURDAY...Partly sunny. Highs 86 to 91.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
in the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 59 to 65.
.SUNDAY...Mostly sunny. Highs 84 to 89.
&&
TEMPERATURE
Ontario 60 96 61 96
$$
=
IDZ012-010500-
Lower Treasure Valley-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Decreasing clouds. Areas of smoke after midnight. Lows
61 to 66. East winds 10 to 15 mph.
.LABOR DAY...Sunny. Areas of smoke. Highs 94 to 99. Southeast
winds 10 to 15 mph.
.MONDAY NIGHT...Decreasing clouds. Areas of smoke. Lows 62 to 67.
East winds up to 10 mph.
.TUESDAY...Sunny. Highs 94 to 99. East winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 62 to 67. North winds up to
10 mph in the evening, becoming light after midnight.
.WEDNESDAY...Mostly sunny. Highs 90 to 95.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
60 to 66. Highs 92 to 97.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 85 to 94. Lows
61 to 67.
.SATURDAY NIGHT...Decreasing clouds. A 20 percent chance of
showers. Lows 58 to 63.
.SUNDAY...Mostly sunny. Highs 83 to 88.
&&
TEMPERATURE
Caldwell 61 97 62 96
$$
=
IDZ014-010500-
Upper Treasure Valley-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Mostly clear. Areas of smoke. Lows 58 to 66. East
winds 10 to 15 mph with gusts to 25 mph.
.LABOR DAY...Sunny. Areas of smoke. Highs 96 to 101. Southeast
winds 10 to 15 mph with gusts to 25 mph.
.MONDAY NIGHT...Decreasing clouds. Lows 59 to 67. East winds
around 10 mph.
.TUESDAY...Sunny. Highs 95 to 100. Southeast winds around 10 mph
with gusts to 20 mph.
.TUESDAY NIGHT...Increasing clouds. Lows 61 to 67. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly sunny. Highs 90 to 95.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
60 to 65. Highs 91 to 96.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 90 to 95. Lows
60 to 65.
.SATURDAY...Partly sunny. Highs 86 to 91.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
in the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 56 to 61.
.SUNDAY...Mostly sunny. Highs 84 to 89.
&&
TEMPERATURE
Boise 66 99 67 97
Mountain Home 61 99 62 99
$$
=
IDZ016-010500-
Western Magic Valley-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Mostly clear. Areas of smoke. Lows 55 to 61. East
winds 10 to 15 mph with gusts to 25 mph.
.LABOR DAY...Sunny. Areas of smoke. Highs 89 to 95. East winds
10 to 15 mph with gusts to 25 mph.
.MONDAY NIGHT...Mostly clear. Lows 57 to 63. East winds around
10 mph.
.TUESDAY...Sunny. Highs 90 to 96. East winds around 10 mph with
gusts to 20 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 59 to 64. East winds around
10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 87 to 92.
Lows 58 to 63.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 86 to 92. Lows
57 to 62.
.FRIDAY NIGHT...Partly cloudy. Lows 57 to 62.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
83 to 88.
.SATURDAY NIGHT...Mostly cloudy. Lows 56 to 61.
.SUNDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 81 to 86.
&&
TEMPERATURE
Jerome 58 90 60 91
Twin Falls 56 91 59 92
$$
=
IDZ029-010500-
Owyhee Mountains-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Increasing clouds. Areas of smoke. Lows 59 to 66.
.LABOR DAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
87 to 93.
.MONDAY NIGHT...Partly cloudy. Lows 60 to 67.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
86 to 93.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
60 to 68.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 84 to 89.
Lows 58 to 66.
.THURSDAY...Sunny. Highs 84 to 90.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 58 to 66. Highs
83 to 89.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Lows 58 to
66. Highs 79 to 85.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. A 20 percent chance
of showers. Lows 54 to 61. Highs 76 to 82.
$$
=
IDZ015-010500-
Southwest Highlands-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Mostly clear. Areas of smoke. Lows 55 to 62.
.LABOR DAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
87 to 95.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
57 to 63.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
88 to 95.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Chance of rain 20 percent. Lows 59 to 64.
.WEDNESDAY...Partly sunny. Highs 83 to 89.
.WEDNESDAY NIGHT...Partly cloudy. Lows 56 to 62.
.THURSDAY...Sunny. Highs 84 to 91.
.THURSDAY NIGHT...Partly cloudy. Lows 57 to 62.
.FRIDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 84 to 90.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
56 to 62.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 79 to 86.
.SATURDAY NIGHT...Mostly cloudy. A slight chance of showers in
the evening. Chance of rain 20 percent. Lows 53 to 59.
.SUNDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 78 to 84.
$$
=
IDZ030-010500-
Southern Twin Falls County-
307 PM MDT Sun Aug 31 2025
.TONIGHT...Areas of smoke this evening. Mostly clear. Lows 56 to
61.
.LABOR DAY...Sunny. Highs 88 to 93.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
58 to 63.
.TUESDAY...Sunny. Highs 88 to 93.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms in the evening, then partly cloudy after
midnight. Chance of rain 20 percent. Lows 59 to 64.
.WEDNESDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 84 to 89.
.WEDNESDAY NIGHT...Partly cloudy. Lows 58 to 63.
.THURSDAY...Sunny. Highs 84 to 89.
.THURSDAY NIGHT...Partly cloudy. Lows 57 to 62.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 84 to
89. Lows 57 to 62.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 80 to 85.
.SATURDAY NIGHT...Mostly cloudy. A slight chance of showers in
the evening. Chance of rain 20 percent. Lows 55 to 60.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 79 to 84.
$$
=
ORZ062-010500-
Baker County-
207 PM PDT Sun Aug 31 2025
.TONIGHT...Partly cloudy. Areas of smoke. Lows 53 to 65.
Southeast winds 10 to 15 mph with gusts to 25 mph this evening,
becoming light after midnight.
.LABOR DAY...Sunny. Areas of smoke. Highs 89 to 97. Southeast
winds up to 10 mph with gusts to 20 mph.
.MONDAY NIGHT...Mostly clear. Lows 53 to 66. Southeast winds up
to 10 mph with gusts to 20 mph in the evening, becoming light
after midnight.
.TUESDAY...Sunny. Highs 91 to 98. Light winds.
.TUESDAY NIGHT...Partly cloudy. Lows 54 to 66. Light winds.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 89 to 96.
Lows 53 to 66.
.THURSDAY...Sunny. Highs 88 to 95.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 54 to 66. Highs
86 to 93.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Lows 53 to
65. Highs 81 to 89.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers in
the evening, then partly cloudy with a slight chance of rain
showers after midnight. Chance of rain 30 percent. Lows 49 to 61.
.SUNDAY...Partly cloudy with a 20 percent chance of rain showers.
Highs 78 to 86.
&&
TEMPERATURE
Baker City 53 94 53 95
$$
=
ORZ061-010500-
Harney County-
207 PM PDT Sun Aug 31 2025
.TONIGHT...Mostly cloudy with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Areas of smoke. Chance of rain 20 percent. Lows 47 to 60. South
winds 10 to 15 mph. Gusts to 25 mph this evening.
.LABOR DAY...Areas of smoke in the morning. Sunny. Highs 83 to
93. South winds up to 10 mph. Gusts to 20 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
49 to 61. Southeast winds 10 to 15 mph in the evening, becoming
light after midnight.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
84 to 94. Light winds in the morning, becoming east around 10 mph
in the afternoon.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Chance of rain 20 percent. Lows 53 to 62. East
winds around 10 mph in the evening, shifting to northwest up to
10 mph after midnight. Gusts to 20 mph.
.WEDNESDAY...Mostly sunny. Highs 80 to 90.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
50 to 60.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 81 to 91. Lows
50 to 61.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Lows 48 to
58. Highs 75 to 85.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
in the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 45 to 55.
.SUNDAY...Mostly sunny. Highs 73 to 83.
&&
TEMPERATURE
Burns 47 92 49 94
$$
=
ORZ063-010500-
Malheur County-
307 PM MDT Sun Aug 31 2025 /207 PM PDT Sun Aug 31 2025/
.TONIGHT...Partly cloudy. Areas of smoke. Lows 55 to 64.
Southeast winds 10 to 15 mph.
.LABOR DAY...Areas of smoke in the morning. Sunny. Highs 90 to
96. Southeast winds up to 10 mph.
.MONDAY NIGHT...Decreasing clouds. Lows 55 to 65. East winds up
to 10 mph in the evening, becoming light after midnight.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
91 to 97. Light winds in the morning, becoming northeast around
10 mph in the afternoon.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Chance of rain 20 percent. Lows 58 to 67.
Northeast winds up to 10 mph in the evening, shifting to
southwest after midnight. Gusts to 20 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 87 to 94.
Lows 55 to 65.
.THURSDAY...Sunny. Highs 88 to 95.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 55 to 65. Highs
87 to 93.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Lows 55 to
65. Highs 83 to 89.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers in the
evening, then partly cloudy after midnight. Chance of rain
30 percent. Lows 52 to 61.
.SUNDAY...Mostly sunny. Highs 80 to 87.
$$
=