575
FPUS55 KBOI 180908
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 AM MDT Mon Aug 18 2025

Spot temperatures are for today, tonight, and Tuesday.


IDZ011-181700-
West Central Mountains-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 76 to 90.
.TONIGHT...Mostly clear. Lows 53 to 63.
.TUESDAY...Sunny. Highs 81 to 95.
.TUESDAY NIGHT...Mostly clear. Lows 51 to 61.
.WEDNESDAY...Sunny. Highs 77 to 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 48 to 58.
.THURSDAY THROUGH FRIDAY...Clear. Highs 77 to 92. Lows 48 to 59.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 52 to 63. Highs
81 to 96.
.SATURDAY NIGHT...Partly cloudy. Lows 55 to 66.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 79 to
94.

&&
               TEMPERATURE
McCall          83  53  88

$$
=

IDZ013-181700-
Boise Mountains-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 80 to 95.
.TONIGHT...Mostly clear. Lows 48 to 63.
.TUESDAY...Sunny. Highs 84 to 99.
.TUESDAY NIGHT...Mostly clear. Lows 49 to 64.
.WEDNESDAY...Sunny. Highs 80 to 95.
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 60.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 79 to 94. Lows 44 to
59.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 84 to 99. Lows
49 to 64.
.SATURDAY NIGHT...Partly cloudy. Lows 51 to 66.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 82 to
96.

&&
               TEMPERATURE
Idaho City      93  52  97

$$
=

IDZ028-181700-
Camas Prairie-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 86 to 91. Southeast winds 10 to 15 mph.
.TONIGHT...Mostly clear. Lows 49 to 56. Southwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 90 to 95. Northeast winds around 10 mph
in the morning, shifting to southeast with gusts to 25 mph in the
afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 50 to 57. Southwest winds
10 to 15 mph.
.WEDNESDAY...Sunny. Highs 87 to 92. Light winds in the morning,
becoming south 10 to 15 mph with gusts to 25 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 48 to 54.
.THURSDAY...Sunny. Highs 85 to 90.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 48 to 53.
Highs 88 to 94.
.SATURDAY NIGHT...Partly cloudy. Lows 54 to 60.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 85 to
90.

&&
               TEMPERATURE
Fairfield       88  50  92

$$
=

IDZ033-181700-
Upper Weiser River-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 88 to 93. Southeast winds up to 10 mph with
gusts to 20 mph.
.TONIGHT...Mostly clear. Lows 60 to 66. South winds up to 10 mph
in the evening, shifting to north after midnight. Gusts to
20 mph.
.TUESDAY...Sunny. Highs 91 to 98. Northeast winds up to 10 mph in
the morning, shifting to south in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 62 to 67. Northwest winds
10 to 15 mph.
.WEDNESDAY...Sunny. Highs 89 to 94. Northwest winds up to 10 mph
with gusts to 20 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Clear. Lows 59 to 64. Highs
88 to 98.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 64 to 69. Highs
94 to 99.
.SATURDAY NIGHT...Partly cloudy. Lows 66 to 71.
.SUNDAY...Sunny. Highs 92 to 97.

&&
               TEMPERATURE
Council         93  63  98
Cambridge       93  60  97

$$
=

IDZ012-ORZ064-181700-
Lower Treasure Valley-Oregon Lower Treasure Valley-
307 AM MDT Mon Aug 18 2025 /207 AM PDT Mon Aug 18 2025/

.TODAY...Sunny. Highs 91 to 96. Southeast winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 62 to 67. Northwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 94 to 99. Northwest winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 62 to 68. Northwest winds
10 to 15 mph. Gusts to 25 mph after midnight.
.WEDNESDAY...Sunny. Highs 92 to 97. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Clear. Lows 58 to 66. Highs
91 to 100.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 63 to 69. Highs
97 to 102.
.SATURDAY NIGHT...Partly cloudy. Lows 66 to 71.
.SUNDAY...Sunny. Highs 95 to 100.

&&
               TEMPERATURE
Caldwell        95  62  97
Ontario         95  63  97

$$
=

IDZ014-181700-
Upper Treasure Valley-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 93 to 98. Southeast winds 10 to 15 mph.
.TONIGHT...Mostly clear. Lows 60 to 66. Northwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 96 to 101. East winds up to 10 mph in the
morning, shifting to southwest in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 61 to 66. West winds 10 to
15 mph.
.WEDNESDAY...Sunny. Highs 92 to 97. Northwest winds 10 to 15 mph
with gusts to 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 63.
.THURSDAY...Sunny. Highs 91 to 96.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 57 to 62. Highs
95 to 100.
.FRIDAY NIGHT...Increasing clouds. Lows 62 to 67.
.SATURDAY...Sunny. Highs 96 to 101.
.SATURDAY NIGHT...Partly cloudy. Lows 64 to 69.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 93 to
98.

&&
               TEMPERATURE
Boise           95  66  99
Mountain Home   98  62 101

$$
=

IDZ016-181700-
Western Magic Valley-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 92 to 97. East winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 57 to 64. Southeast winds up to
10 mph.
.TUESDAY...Sunny. Highs 96 to 101. East winds up to 10 mph with
gusts to 20 mph.
.TUESDAY NIGHT...Decreasing clouds. Lows 60 to 65. South winds
around 10 mph with gusts to 20 mph.
.WEDNESDAY...Sunny. Highs 90 to 95. West winds 10 to 15 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 57 to 63.
Highs 89 to 96.
.FRIDAY NIGHT...Increasing clouds. Lows 61 to 66.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 92 to
97.
.SATURDAY NIGHT...Increasing clouds. Lows 63 to 68.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Thunderstorms may produce
gusty winds in the afternoon. Chance of rain 30 percent. Highs
88 to 94.

&&
               TEMPERATURE
Jerome          93  60  96
Twin Falls      93  61  96

$$
=

IDZ029-181700-
Owyhee Mountains-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 85 to 91.
.TONIGHT...Mostly clear. Lows 56 to 65.
.TUESDAY...Sunny. Highs 86 to 94.
.TUESDAY NIGHT...Mostly clear. Lows 55 to 65.
.WEDNESDAY...Sunny. Highs 83 to 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 53 to 63.
.THURSDAY...Sunny. Highs 83 to 90.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 54 to 63. Highs
87 to 95.
.FRIDAY NIGHT...Partly cloudy. Lows 60 to 68.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Thunderstorms may produce gusty winds
in the afternoon and evening. Chance of rain 20 percent. Highs
89 to 96. Lows 61 to 69.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Thunderstorms may produce
gusty winds in the afternoon. Chance of rain 30 percent. Highs
86 to 92.

$$
=

IDZ015-181700-
Southwest Highlands-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 89 to 95.
.TONIGHT...Mostly clear. Lows 55 to 62.
.TUESDAY...Sunny. Highs 92 to 98.
.TUESDAY NIGHT...Mostly clear. Lows 56 to 62. Breezy.
.WEDNESDAY...Sunny. Highs 88 to 93.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 54 to 61.
Highs 87 to 96.
.FRIDAY NIGHT...Partly cloudy. Lows 60 to 65.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 90 to 96.
.SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Thunderstorms may produce gusty
winds in the evening. Chance of rain 20 percent. Lows 61 to 66.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 30 percent. Highs 87 to
92.

$$
=

IDZ030-181700-
Southern Twin  Falls County-
307 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs 90 to 95.
.TONIGHT...Mostly clear. Lows 58 to 63.
.TUESDAY...Sunny. Highs 93 to 98.
.TUESDAY NIGHT...Partly cloudy. Lows 60 to 65.
.WEDNESDAY...Sunny. Highs 88 to 93.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
56 to 62. Highs 86 to 91.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 89 to
94.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Thunderstorms may produce gusty
winds in the evening. Chance of rain 20 percent. Lows 60 to 65.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 90 to 95.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers with a
slight chance of thunderstorms in the evening. Thunderstorms may
produce gusty winds in the evening. Chance of rain 30 percent.
Lows 62 to 67.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 50 percent. Highs 86 to
91.

$$
=

ORZ062-181700-
Baker County-
207 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 85 to 94. South winds 10 to 15 mph. Gusts
to 25 mph this afternoon.
.TONIGHT...Mostly clear. Lows 49 to 60. West winds up to 10 mph
with gusts to 25 mph.
.TUESDAY...Sunny. Highs 88 to 98. Northwest winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 50 to 61. Northwest winds
10 to 15 mph with gusts to 25 mph.
.WEDNESDAY...Sunny. Highs 83 to 93. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 48 to 59.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 84 to 93. Lows 48 to
61.
.FRIDAY...Sunny. Highs 90 to 98.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 53 to 67. Highs
91 to 100.
.SATURDAY NIGHT...Partly cloudy. Lows 54 to 67.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 89 to
99.

&&
               TEMPERATURE
Baker City      88  49  90

$$
=

ORZ061-181700-
Harney County-
207 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 79 to 89. Southwest winds 10 to 15 mph.
Gusts to 25 mph this afternoon.
.TONIGHT...Mostly clear. Lows 45 to 56. West winds 10 to 15 mph.
Gusts to 30 mph in the evening.
.TUESDAY...Sunny. Highs 81 to 91. West winds up to 10 mph with
gusts to 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows 47 to 55. West winds 10 to
15 mph.
.WEDNESDAY...Sunny. Highs 79 to 89. West winds up to 10 mph with
gusts to 20 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 46 to 54.
.THURSDAY...Sunny. Highs 81 to 91.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 49 to 59. Highs
87 to 97.
.FRIDAY NIGHT...Partly cloudy. Lows 52 to 63.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 87 to
97.
.SATURDAY NIGHT...Partly cloudy. Lows 53 to 64.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Thunderstorms may produce
gusty winds in the afternoon. Chance of rain 30 percent. Highs
84 to 94.

&&
               TEMPERATURE
Burns           87  45  89

$$
=

ORZ063-181700-
Malheur County-
307 AM MDT Mon Aug 18 2025 /207 AM PDT Mon Aug 18 2025/

.TODAY...Sunny. Highs 88 to 94. Southwest winds 10 to 15 mph.
Gusts to 25 mph this afternoon.
.TONIGHT...Mostly clear. Lows 53 to 63. Southwest winds 10 to
15 mph. Gusts to 25 mph in the evening.
.TUESDAY...Sunny. Highs 91 to 97. West winds up to 10 mph in the
morning, shifting to north in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 54 to 64. Northwest winds
10 to 15 mph with gusts to 25 mph.
.WEDNESDAY...Sunny. Highs 88 to 94. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62.
.THURSDAY...Sunny. Highs 87 to 94.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 53 to 63. Highs
92 to 98.
.FRIDAY NIGHT...Partly cloudy. Lows 58 to 68.
.SATURDAY...Sunny. Highs 94 to 99.
.SATURDAY NIGHT...Partly cloudy. Lows 59 to 69.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Thunderstorms may produce
gusty winds in the afternoon. Chance of rain 30 percent. Highs
91 to 98.

$$
=