272
FPUS55 KBOI 182108
ZFPBOI

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

Spot temperatures are for tonight, Tuesday, Tuesday night, and
Wednesday.


IDZ011-190500-
West Central Mountains-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Patchy smoke after midnight. Lows 52 to
62.
.TUESDAY...Patchy smoke in the morning. Sunny. Highs 80 to 94.
.TUESDAY NIGHT...Mostly clear. Lows 51 to 61.
.WEDNESDAY...Sunny. Highs 77 to 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 48 to 58.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 75 to 89. Lows 48 to
58.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 81 to 96. Lows
52 to 63.
.SATURDAY NIGHT...Partly cloudy. Lows 55 to 66.
.SUNDAY THROUGH MONDAY...Partly cloudy with a slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 77 to
92. Lows 53 to 64.

&&
                  TEMPERATURE
McCall          52  88  51  85

$$
=

IDZ013-190500-
Boise Mountains-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Patchy smoke this evening. Mostly clear. Lows 48 to
63.
.TUESDAY...Sunny. Patchy smoke. Highs 84 to 98.
.TUESDAY NIGHT...Mostly clear. Lows 48 to 63.
.WEDNESDAY...Sunny. Highs 80 to 95.
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 60.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 79 to 93. Lows 43 to
58.
.FRIDAY...Sunny. Highs 85 to 99.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows 50 to
65. Highs 85 to 99.
.SUNDAY THROUGH MONDAY...Partly cloudy with a chance of showers
with a slight chance of thunderstorms. Chance of rain 30 percent.
Highs 80 to 95. Lows 49 to 64.

&&
                  TEMPERATURE
Idaho City      52  97  52  93

$$
=

IDZ028-190500-
Camas Prairie-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 49 to 56. Northwest winds around
10 mph this evening, shifting to northeast after midnight. Gusts
to 20 mph.
.TUESDAY...Sunny. Patchy smoke in the afternoon. Highs 89 to 94.
Southeast winds 10 to 15 mph. Gusts to 25 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 50 to 56. West winds 10 to
15 mph in the evening, becoming light after midnight.
.WEDNESDAY...Sunny. Highs 87 to 92. Light winds in the morning,
becoming southwest 10 to 15 mph with gusts to 25 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 47 to 54. Northwest winds
10 to 15 mph. Gusts to 25 mph in the evening.
.THURSDAY...Sunny. Highs 85 to 90.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 47 to 53. Highs
89 to 94.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows 53 to
60. Highs 89 to 94.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 85 to
90. Lows 50 to 57.
.MONDAY...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
83 to 88.

&&
                  TEMPERATURE
Fairfield       49  92  50  89

$$
=

IDZ033-190500-
Upper Weiser River-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 60 to 66. North winds up to 10 mph.
.TUESDAY...Sunny. Highs 91 to 97. North winds up to 10 mph in the
morning, shifting to southwest in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 62 to 67. Northwest winds
10 to 15 mph. Gusts to 25 mph after midnight.
.WEDNESDAY...Sunny. Highs 89 to 94. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 59 to 64. North winds 10 to 15 mph
with gusts to 25 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 88 to 93. Lows 59 to
64.
.FRIDAY...Sunny. Highs 94 to 100.
.FRIDAY NIGHT...Increasing clouds. Lows 64 to 69.
.SATURDAY...Sunny. Highs 93 to 99.
.SATURDAY NIGHT...Partly cloudy. Lows 66 to 71.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 92 to
98. Lows 65 to 70.
.MONDAY...Sunny. Highs 89 to 95.

&&
                  TEMPERATURE
Council         64  97  63  94
Cambridge       60  97  62  93

$$
=

IDZ012-ORZ064-190500-
Lower Treasure Valley-Oregon Lower Treasure Valley-
307 PM MDT Mon Aug 18 2025 /207 PM PDT Mon Aug 18 2025/

.TONIGHT...Mostly clear. Lows 61 to 66. 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 with gusts to 25 mph.
.WEDNESDAY...Sunny. Highs 91 to 96. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 66. Northwest winds 10 to
15 mph with gusts to 25 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 91 to 96. Lows 58 to
64.
.FRIDAY...Sunny. Highs 96 to 101.
.FRIDAY NIGHT...Partly cloudy. Lows 62 to 69.
.SATURDAY...Sunny. Highs 96 to 101.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 65 to 71. Highs
94 to 99.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
64 to 70.
.MONDAY...Sunny. Highs 92 to 97.

&&
                  TEMPERATURE
Caldwell        61  96  63  94
Ontario         63  97  65  95

$$
=

IDZ014-190500-
Upper Treasure Valley-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Patchy smoke this evening. Mostly clear. Lows 59 to
65. Northwest winds up to 10 mph with gusts to 20 mph.
.TUESDAY...Sunny. Patchy smoke. Highs 95 to 100. Northeast winds
up to 10 mph in the morning, shifting to west around 10 mph in
the afternoon. Gusts to 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows 60 to 65. Northwest winds up
to 10 mph with gusts to 20 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. Breezy. Northwest
winds 10 to 20 mph.
.THURSDAY...Sunny. Highs 91 to 96.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 57 to 62. Highs
96 to 101.
.FRIDAY NIGHT...Partly cloudy. Lows 62 to 67.
.SATURDAY...Sunny. Highs 97 to 102.
.SATURDAY NIGHT...Partly cloudy. Lows 65 to 70.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 94 to
99. Lows 62 to 67.
.MONDAY...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
91 to 96.

&&
                  TEMPERATURE
Boise           65  97  64  94
Mountain Home   61 100  62  97

$$
=

IDZ016-190500-
Western Magic Valley-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 56 to 62. Southeast winds around
10 mph.
.TUESDAY...Sunny. Patchy smoke. Highs 95 to 100. Southeast winds
around 10 mph with gusts to 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows 60 to 65. Southwest winds
around 10 mph with gusts to 20 mph.
.WEDNESDAY...Sunny. Highs 89 to 94. West winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 63. West winds 10 to
15 mph with gusts to 25 mph.
.THURSDAY...Sunny. Highs 88 to 93.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 57 to 62. Highs
93 to 98.
.FRIDAY NIGHT...Partly cloudy. Lows 61 to 66.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
93 to 99.
.SATURDAY NIGHT...Mostly cloudy. Lows 63 to 68.
.SUNDAY THROUGH MONDAY...Partly cloudy with a chance of showers
with a slight chance of thunderstorms. Chance of rain 30 percent.
Highs 86 to 94. Lows 61 to 66.

&&
                  TEMPERATURE
Jerome          60  96  62  91
Twin Falls      61  97  65  90

$$
=

IDZ029-190500-
Owyhee Mountains-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 55 to 64.
.TUESDAY...Sunny. Highs 85 to 93.
.TUESDAY NIGHT...Mostly clear. Lows 54 to 64.
.WEDNESDAY...Sunny. Highs 83 to 89.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 82 to 90. Lows
54 to 62.
.FRIDAY...Sunny. Highs 88 to 96.
.FRIDAY NIGHT...Partly cloudy. Lows 60 to 67.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
90 to 96.
.SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
62 to 69.
.SUNDAY THROUGH MONDAY...Partly cloudy with a chance of showers
with a slight chance of thunderstorms. Chance of rain 30 percent.
Highs 84 to 93. Lows 59 to 67.

$$
=

IDZ015-190500-
Southwest Highlands-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Patchy smoke. Lows 55 to 61.
.TUESDAY...Sunny. Patchy smoke. Highs 92 to 97.
.TUESDAY NIGHT...Mostly clear. Lows 55 to 62.
.WEDNESDAY...Sunny. Highs 88 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows 54 to 60.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 87 to 92. Lows
56 to 61.
.FRIDAY...Sunny. Highs 92 to 98.
.FRIDAY NIGHT...Partly cloudy. Lows 60 to 65.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 93 to 98.
.SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
61 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. Chance of rain 40 percent. Highs
87 to 93.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Chance of rain
30 percent. Lows 58 to 64.
.MONDAY...Partly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 40 percent.
Highs 84 to 91.

$$
=

IDZ030-190500-
Southern Twin  Falls County-
307 PM MDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 56 to 62.
.TUESDAY...Sunny. Patchy smoke. Highs 93 to 98.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 60 to 65.
.WEDNESDAY...Sunny. Highs 88 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 62.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 86 to 91. Lows
57 to 62.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
91 to 96.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms 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. Chance of rain
30 percent. Highs 92 to 97.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers with a
slight chance of thunderstorms in the evening. Chance of rain
30 percent. Lows 62 to 67.
.SUNDAY...A slight chance of showers in the morning, then showers
likely with a slight chance of thunderstorms in the afternoon.
Chance of rain 60 percent. Highs 87 to 92.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Chance of rain 40 percent. Lows 60 to 65.
.MONDAY...A chance of showers in the morning, then showers likely
with a slight chance of thunderstorms in the afternoon. Chance of
rain 60 percent. Highs 84 to 89.

$$
=

ORZ062-190500-
Baker County-
207 PM PDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 49 to 60. Northwest winds 10 to
15 mph. Gusts to 25 mph this evening.
.TUESDAY...Sunny. Highs 87 to 97. 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 82 to 92. Northwest winds 10 to 15 mph
with gusts to 25 mph.
.WEDNESDAY NIGHT...Clear. Lows 47 to 59. Northwest winds 10 to
15 mph with gusts to 25 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs 84 to 92. Lows 47 to
61.
.FRIDAY...Sunny. Highs 91 to 100.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 53 to
68. Highs 91 to 100.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 90 to
98. Lows 52 to 65.
.MONDAY...Sunny. Highs 87 to 96.

&&
                  TEMPERATURE
Baker City      49  90  50  84

$$
=

ORZ061-190500-
Harney County-
207 PM PDT Mon Aug 18 2025

.TONIGHT...Mostly clear. Lows 44 to 55. West winds 10 to 15 mph
this evening, becoming light after midnight.
.TUESDAY...Sunny. Highs 81 to 91. West winds up to 10 mph. Gusts
to 20 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 47 to 55. Northwest winds
10 to 15 mph.
.WEDNESDAY...Sunny. Highs 78 to 88. Northwest winds around
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 46 to 54. Northwest winds
around 10 mph with gusts to 20 mph.
.THURSDAY...Sunny. Highs 81 to 91.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 49 to 59. Highs
88 to 98.
.FRIDAY NIGHT...Partly cloudy. Lows 52 to 63.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
86 to 96.
.SATURDAY NIGHT...Partly cloudy. Lows 53 to 64.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 84 to 94.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
50 to 61.
.MONDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
82 to 92.

&&
                  TEMPERATURE
Burns           44  88  47  87

$$
=

ORZ063-190500-
Malheur County-
307 PM MDT Mon Aug 18 2025 /207 PM PDT Mon Aug 18 2025/

.TONIGHT...Mostly clear. Lows 54 to 64. West winds 10 to 15 mph.
.TUESDAY...Sunny. Highs 90 to 96. West winds 10 to 15 mph.
.TUESDAY NIGHT...Mostly clear. Lows 53 to 63. Northwest winds
10 to 15 mph.
.WEDNESDAY...Sunny. Highs 87 to 94. Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62. Northwest winds
10 to 15 mph with gusts to 25 mph.
.THURSDAY...Sunny. Highs 87 to 93.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 52 to 62. Highs
94 to 100.
.FRIDAY NIGHT...Partly cloudy. Lows 58 to 67.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
94 to 99.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
60 to 70.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers
with a slight chance of thunderstorms. Chance of rain 30 percent.
Highs 91 to 98. Lows 57 to 67.
.MONDAY...Partly cloudy with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 89 to 95.

$$
=