Zone Forecast Product
Issued by NWS Boise, ID

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FPUS55 KBOI 130908
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Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 AM MDT Wed Aug 13 2025

Spot temperatures are for today, tonight, and Thursday.


IDZ011-131700-
West Central Mountains-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 79 to 93.
.TONIGHT...Mostly clear. Lows 50 to 60.
.THURSDAY...Sunny. Highs 73 to 87.
.THURSDAY NIGHT...Mostly clear. Lows 47 to 57.
.FRIDAY...Sunny. Highs 72 to 85.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 49 to 59. Highs
74 to 87.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of
rain showers and thunderstorms. Chance of rain 20 percent. Lows
50 to 60. Highs 74 to 87.
.SUNDAY NIGHT...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the evening. Chance of rain
30 percent. Lows 49 to 59.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 75 to 89. Lows
50 to 60.

&&
               TEMPERATURE
McCall          87  50  81

$$
=

IDZ013-131700-
Boise Mountains-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 81 to 96.
.TONIGHT...Mostly clear. Lows 46 to 61.
.THURSDAY...Sunny. Highs 77 to 92.
.THURSDAY NIGHT...Mostly clear. Lows 43 to 58.
.FRIDAY...Sunny. Highs 76 to 90.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 44 to 59. Highs
77 to 92.
.SATURDAY NIGHT...Partly cloudy. Lows 45 to 60.
.SUNDAY...Partly cloudy. A slight chance of rain showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
77 to 92.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain
showers and thunderstorms in the evening, then mostly clear after
midnight. Chance of rain 20 percent. Lows 45 to 60.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 79 to 94. Lows
45 to 60.

&&
               TEMPERATURE
Idaho City      95  51  89

$$
=

IDZ028-131700-
Camas Prairie-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 89 to 94. Breezy. West winds up to 10 mph
this morning, increasing to 10 to 20 mph with gusts to 35 mph
this afternoon.
.TONIGHT...Mostly clear. Lows 50 to 57. Breezy. West winds 10 to
20 mph. Gusts to 30 mph in the evening.
.THURSDAY...Sunny. Highs 84 to 89. West winds 10 to 15 mph. Gusts
to 20 mph in the morning, increasing to 30 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 46 to 53. West winds 10 to
15 mph. Gusts to 30 mph in the evening.
.FRIDAY...Sunny. Highs 83 to 88. Light winds in the morning,
becoming southwest 10 to 15 mph with gusts to 25 mph in the
afternoon.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 47 to 53. Highs
83 to 88.
.SATURDAY NIGHT...Partly cloudy. Lows 48 to 54.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
83 to 88.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 48 to 55.
Highs 83 to 90.

&&
               TEMPERATURE
Fairfield       92  50  87

$$
=

IDZ033-131700-
Upper Weiser River-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 92 to 98. West winds up to 10 mph with
gusts to 20 mph.
.TONIGHT...Mostly clear. Lows 58 to 63. Northwest winds 10 to
15 mph.
.THURSDAY...Sunny. Highs 86 to 92. Light winds in the morning,
becoming south up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 62. Northwest winds up
to 10 mph.
.FRIDAY...Sunny. Highs 84 to 90. North winds up to 10 mph in the
morning, shifting to south in the afternoon.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 60 to 65. Highs
86 to 91.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Chance of rain 20 percent. Lows 60 to 65.
.SUNDAY...Mostly sunny. Highs 86 to 92.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
59 to 64.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 86 to 93. Lows
60 to 65.

&&
               TEMPERATURE
Council         97  61  91
Cambridge       97  58  91

$$
=

IDZ012-131700-
Lower Treasure Valley-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 96 to 101. West winds 10 to 15 mph with
gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 62 to 67. Northwest winds 10 to
15 mph.
.THURSDAY...Sunny. Highs 90 to 95. West winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows 59 to 64. Northwest winds up
to 10 mph with gusts to 20 mph.
.FRIDAY...Sunny. Highs 88 to 93. West winds up to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 60 to 65. Highs
89 to 94.
.SATURDAY NIGHT...Partly cloudy. Lows 61 to 66.
.SUNDAY...Sunny. Highs 89 to 94.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly clear after midnight.
Chance of rain 20 percent. Lows 59 to 64.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 89 to 95. Lows
60 to 65.

&&
               TEMPERATURE
Caldwell       100  62  93

$$
=

ORZ064-131700-
Oregon Lower Treasure Valley-
307 AM MDT Wed Aug 13 2025 /207 AM PDT Wed Aug 13 2025/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS
EVENING...

.TODAY...Sunny. Highs 98 to 103. West winds 10 to 15 mph. Gusts
to 25 mph this afternoon.
.TONIGHT...Mostly clear. Lows 63 to 68. Northwest winds 10 to
15 mph with gusts to 25 mph.
.THURSDAY...Sunny. Highs 92 to 97. West winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows 60 to 65. Northwest winds
10 to 15 mph with gusts to 25 mph.
.FRIDAY...Sunny. Highs 89 to 94. West winds 10 to 15 mph in the
morning, becoming light in the afternoon.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 62 to 67. Highs
89 to 94.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Chance of rain 20 percent. Lows 63 to 68.
.SUNDAY...Sunny. Highs 90 to 95.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
61 to 66.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 91 to 96. Lows
62 to 67.

&&
               TEMPERATURE
Ontario        100  65  94

$$
=

IDZ014-131700-
Upper Treasure Valley-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 97 to 102. Northwest winds 10 to 15 mph.
Gusts to 30 mph this afternoon.
.TONIGHT...Mostly clear. Lows 60 to 65. Breezy. Northwest winds
10 to 20 mph. Gusts to 30 mph in the evening.
.THURSDAY...Sunny. Highs 91 to 96. Northwest winds 10 to 15 mph
with gusts to 25 mph.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 62. Northwest winds
10 to 15 mph with gusts to 25 mph.
.FRIDAY...Sunny. Highs 89 to 94. Northwest winds 10 to 15 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 57 to 63. Highs
90 to 95.
.SATURDAY NIGHT...Partly cloudy. Lows 58 to 64.
.SUNDAY...Sunny. Highs 89 to 94.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
58 to 63.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 90 to 95. Lows
58 to 64.
.TUESDAY...Sunny. Highs 92 to 97.

&&
               TEMPERATURE
Boise           99  63  92
Mountain Home  101  63  95

$$
=

IDZ016-131700-
Western Magic Valley-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 94 to 99. South winds 10 to 15 mph this
morning, shifting to west this afternoon. Gusts to 25 mph.
.TONIGHT...Increasing clouds. Lows 60 to 66. Southwest winds
10 to 15 mph. Gusts to 30 mph in the evening.
.THURSDAY...Sunny. Highs 89 to 94. West winds 10 to 15 mph with
gusts to 25 mph.
.THURSDAY NIGHT...Mostly clear. Lows 56 to 61. West winds 10 to
15 mph with gusts to 25 mph.
.FRIDAY...Sunny. Highs 87 to 92. West winds 10 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows 57 to 62.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 88 to 93.
Lows 57 to 62.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
88 to 93.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 57 to 62.
Highs 89 to 95.

&&
               TEMPERATURE
Jerome          94  62  89
Twin Falls      94  66  89

$$
=

IDZ029-131700-
Owyhee Mountains-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 89 to 94. Breezy.
.TONIGHT...Mostly clear. Lows 54 to 64. Breezy.
.THURSDAY...Sunny. Highs 84 to 89.
.THURSDAY NIGHT...Mostly clear. Lows 51 to 61.
.FRIDAY...Sunny. Highs 81 to 87.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 53 to 62. Highs
82 to 87.
.SATURDAY NIGHT...Partly cloudy. Lows 53 to 62.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
82 to 88.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers in
the evening, then mostly clear after midnight. Chance of rain
20 percent. Lows 52 to 62.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 82 to 89. Lows
53 to 62.

$$
=

IDZ015-131700-
Southwest Highlands-
307 AM MDT Wed Aug 13 2025

.TODAY...Sunny. Highs 92 to 97.
.TONIGHT...Partly cloudy. Lows 57 to 63.
.THURSDAY...Sunny. Highs 87 to 92.
.THURSDAY NIGHT...Mostly clear. Lows 53 to 59.
.FRIDAY...Sunny. Highs 85 to 90.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 54 to 59. Highs
86 to 91.
.SATURDAY NIGHT...Partly cloudy. Lows 54 to 59.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
86 to 91.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
53 to 59.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 86 to 92. Lows
54 to 60.

$$
=

IDZ030-131700-
Southern Twin  Falls County-
307 AM MDT Wed Aug 13 2025

.TODAY...Partly cloudy. Isolated showers and thunderstorms this
afternoon. Chance of rain 20 percent. Highs 92 to 97.
.TONIGHT...Partly cloudy with isolated showers in the evening,
then mostly cloudy after midnight. Chance of rain 20 percent.
Lows 60 to 65.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
86 to 91.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 56 to 61.
.FRIDAY...Sunny. Highs 85 to 90.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 56 to 61. Highs
86 to 91.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Chance of rain 20 percent. Lows 56 to 61.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
86 to 91.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 56 to 61.
Highs 87 to 93.

$$
=

ORZ062-131700-
Baker County-
207 AM PDT Wed Aug 13 2025

.TODAY...Sunny. Highs 87 to 97. West winds 10 to 15 mph with
gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 50 to 61. Northwest winds 10 to
15 mph with gusts to 25 mph.
.THURSDAY...Sunny. Highs 82 to 92. West winds up to 10 mph with
gusts to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows 49 to 59. Northwest winds
10 to 15 mph with gusts to 25 mph.
.FRIDAY...Sunny. Highs 80 to 90. West winds up to 10 mph.
.FRIDAY NIGHT...Decreasing clouds. Lows 52 to 62.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. A chance of rain
showers with a slight chance of thunderstorms. Chance of rain
30 percent. Highs 80 to 90. Lows 53 to 61.
.SUNDAY...Partly cloudy. A chance of rain showers and
thunderstorms in the afternoon. Chance of rain 30 percent. Highs
80 to 90.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then partly
cloudy after midnight. Chance of rain 30 percent. Lows 50 to 60.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 82 to 92. Lows
50 to 61.

&&
               TEMPERATURE
Baker City      92  50  84

$$
=

ORZ061-131700-
Harney County-
207 AM PDT Wed Aug 13 2025

.TODAY...Sunny. Highs 83 to 93. West winds 10 to 15 mph. Gusts to
30 mph this afternoon.
.TONIGHT...Mostly clear. Lows 47 to 57. West winds 10 to 15 mph.
Gusts to 30 mph in the evening.
.THURSDAY...Sunny. Highs 79 to 89. West winds 10 to 15 mph. Gusts
to 25 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 46 to 53. West winds 10 to
15 mph. Gusts to 30 mph in the evening.
.FRIDAY...Sunny. Highs 77 to 87. West winds up to 10 mph with
gusts to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows 49 to 56.
.SATURDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 76 to 86.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a
slight chance of showers and thunderstorms. Chance of rain
20 percent. Lows 47 to 56. Highs 77 to 87.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 79 to 89. Lows
46 to 55.

&&
               TEMPERATURE
Burns           92  47  87

$$
=

ORZ063-131700-
Malheur County-
307 AM MDT Wed Aug 13 2025 /207 AM PDT Wed Aug 13 2025/

.TODAY...Sunny. Highs 92 to 99. Breezy. West winds 10 to 20 mph.
Gusts to 30 mph this afternoon.
.TONIGHT...Mostly clear. Lows 54 to 64. Breezy. Northwest winds
10 to 20 mph. Gusts to 30 mph in the evening.
.THURSDAY...Sunny. Highs 87 to 94. West winds 10 to 15 mph. Gusts
to 25 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 51 to 61. Northwest winds
10 to 15 mph with gusts to 25 mph.
.FRIDAY...Sunny. Highs 85 to 92. West winds up to 10 mph with
gusts to 20 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 53 to 63. Highs
84 to 91.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a
slight chance of showers and thunderstorms. Chance of rain
20 percent. Lows 53 to 63. Highs 85 to 92.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 86 to 93. Lows
53 to 63.

$$
=