Zone Forecast Product
Issued by NWS Boise, ID

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356
FPUS55 KBOI 282108
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 PM MDT Thu Aug 28 2025

Spot temperatures are for tonight, Friday, Friday night, and
Saturday.


IDZ011-290500-
West Central Mountains-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy. Patchy smoke. Lows 48 to 58.
.FRIDAY...Mostly sunny. Patchy smoke. Isolated rain showers in
the afternoon. Chance of rain 20 percent. Highs 72 to 85.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing.
Patchy smoke. Lows 49 to 59.
.SATURDAY...Sunny. Highs 73 to 87.
.SATURDAY NIGHT...Mostly clear. Lows 49 to 59.
.SUNDAY...Sunny. Highs 76 to 89.
.SUNDAY NIGHT...Partly cloudy. Lows 51 to 61.
.LABOR DAY...Sunny. Highs 78 to 92.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 52 to
62. Highs 78 to 92.
.WEDNESDAY...Sunny. Highs 77 to 91.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 61.
.THURSDAY...Sunny. Highs 75 to 89.

&&
                  TEMPERATURE
McCall          49  80  49  83

$$
=

IDZ013-290500-
Boise Mountains-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy. Patchy smoke. Lows 43 to 58.
.FRIDAY...Mostly sunny. Patchy smoke. Highs 72 to 87.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 44 to 59.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 75 to 90.
.SATURDAY NIGHT...Mostly clear. Lows 44 to 59.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Highs 79 to 94. Lows
47 to 62.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 47 to 62. Highs
79 to 93.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 46 to 61. Highs
78 to 93.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 46 to 61.
.THURSDAY...Sunny. Highs 78 to 92.

&&
                  TEMPERATURE
Idaho City      47  86  47  88

$$
=

IDZ028-290500-
Camas Prairie-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy. Patchy smoke. Lows 43 to 50. Northwest
winds 10 to 15 mph. Gusts to 25 mph this evening.
.FRIDAY...Sunny. Patchy smoke. Highs 76 to 81. Light winds in the
morning, becoming west around 10 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 44 to 50.
Northwest winds around 10 mph.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 77 to 82.
Light winds.
.SATURDAY NIGHT...Clear. Lows 45 to 51. West winds around 10 mph
in the evening, becoming light after midnight.
.SUNDAY...Sunny. Highs 80 to 85.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 47 to 55.
Highs 82 to 88.
.TUESDAY NIGHT...Decreasing clouds. Lows 48 to 54.
.WEDNESDAY...Sunny. Highs 82 to 87.
.WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 55.
.THURSDAY...Sunny. Highs 81 to 86.

&&
                  TEMPERATURE
Fairfield       43  79  44  80

$$
=

IDZ033-290500-
Upper Weiser River-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy this evening, then clearing. Patchy
smoke. Lows 58 to 63. Light winds.
.FRIDAY...Sunny. Patchy smoke. Highs 82 to 88. Light winds.
.FRIDAY NIGHT...Decreasing clouds. Patchy smoke. Lows 59 to 64.
Light winds.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 84 to 90.
Northeast winds up to 10 mph in the morning, becoming light in
the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 59 to 64. Light winds.
.SUNDAY...Sunny. Highs 87 to 93.
.SUNDAY NIGHT...Partly cloudy. Lows 61 to 67.
.LABOR DAY...Sunny. Highs 88 to 94.
.MONDAY NIGHT...Partly cloudy. Lows 62 to 67.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 86 to 94. Lows
62 to 67.

&&
                  TEMPERATURE
Council         60  88  60  90
Cambridge       58  87  59  89

$$
=

ORZ064-290500-
Oregon Lower Treasure Valley-
307 PM MDT Thu Aug 28 2025 /207 PM PDT Thu Aug 28 2025/

.TONIGHT...Partly cloudy this evening, then clearing. Patchy
smoke. Lows 59 to 65. Light winds.
.FRIDAY...Sunny. Patchy smoke. Isolated showers in the afternoon.
Chance of rain 20 percent. Highs 87 to 92. Light winds.
.FRIDAY NIGHT...Partly cloudy. Isolated showers in the evening.
Patchy smoke. Chance of rain 20 percent. Lows 58 to 65. Light
winds.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 88 to 93.
Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 59 to 65. Light winds.
.SUNDAY...Sunny. Highs 90 to 95.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 67.
.LABOR DAY...Sunny. Highs 91 to 96.
.MONDAY NIGHT...Partly cloudy. Lows 61 to 68.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 90 to 97. Lows
61 to 68.

&&
                  TEMPERATURE
Ontario         59  89  58  90

$$
=

IDZ012-290500-
Lower Treasure Valley-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy. Patchy smoke. Lows 58 to 63. Light
winds.
.FRIDAY...Sunny. Patchy smoke. Highs 85 to 90. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 58 to 63. Light
winds.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 87 to 92.
Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 63. Light winds.
.SUNDAY...Sunny. Highs 89 to 94.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 65.
.LABOR DAY...Sunny. Highs 90 to 95.
.MONDAY NIGHT...Partly cloudy. Lows 60 to 65.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 89 to 95. Lows
60 to 66.

&&
                  TEMPERATURE
Caldwell        59  89  58  90

$$
=

IDZ014-290500-
Upper Treasure Valley-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy. Patchy smoke. Lows 55 to 63. Northeast
winds up to 10 mph. Gusts to 20 mph this evening.
.FRIDAY...Sunny. Patchy smoke. Highs 86 to 91. East winds up to
10 mph in the morning, shifting to west in the afternoon.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 55 to 62.
Northwest winds up to 10 mph in the evening, becoming light after
midnight.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 87 to 92.
Southeast winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 55 to 64. East winds up to
10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Highs 90 to 97. Lows
57 to 65.
.MONDAY NIGHT...Partly cloudy. Lows 59 to 65.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 90 to 95. Lows
59 to 64.

&&
                  TEMPERATURE
Boise           63  88  62  90
Mountain Home   58  91  57  92

$$
=

IDZ016-290500-
Western Magic Valley-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy this evening, then clearing. Patchy
smoke. Lows 52 to 57. West winds 10 to 15 mph this evening,
shifting to south after midnight.
.FRIDAY...Sunny. Patchy smoke. Highs 80 to 85. East winds around
10 mph in the morning, shifting to northwest in the afternoon.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 53 to 58.
Southwest winds around 10 mph.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 82 to 87.
Southeast winds around 10 mph in the morning, becoming light in
the afternoon.
.SATURDAY NIGHT...Clear. Lows 54 to 59. Light winds in the
evening, becoming southeast around 10 mph after midnight.
.SUNDAY...Sunny. Highs 85 to 90.
.SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 55 to 62.
Highs 85 to 92.

&&
                  TEMPERATURE
Jerome          55  81  56  83
Twin Falls      56  82  56  84

$$
=

IDZ029-290500-
Owyhee Mountains-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Decreasing clouds. Patchy smoke. Lows 54 to 62.
.FRIDAY...Mostly sunny. Patchy smoke. Isolated showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 78 to
85.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 54 to 63.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 80 to 87.
.SATURDAY NIGHT...Mostly clear. Lows 56 to 63.
.SUNDAY...Sunny. Highs 83 to 90.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 57 to
65. Highs 83 to 91.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 82 to 89. Lows
56 to 65.

$$
=

IDZ015-290500-
Southwest Highlands-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy. Isolated showers this evening. Patchy
smoke. Chance of rain 20 percent. Lows 52 to 57.
.FRIDAY...Sunny. Patchy smoke. Isolated showers and thunderstorms
in the afternoon. Thunderstorms may produce gusty winds in the
afternoon. Chance of rain 20 percent. Highs 78 to 85.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 51 to 57.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 80 to 87.
.SATURDAY NIGHT...Mostly clear. Lows 53 to 58.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 83 to 90. Lows
56 to 61.
.LABOR DAY AND MONDAY NIGHT...Partly cloudy. Highs 85 to 92. Lows
57 to 62.
.TUESDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 84 to 90.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 61.
.WEDNESDAY...Sunny. Highs 83 to 90.
.WEDNESDAY NIGHT...Partly cloudy. Lows 55 to 60.
.THURSDAY...Sunny. Highs 83 to 89.

$$
=

IDZ030-290500-
Southern Twin  Falls County-
307 PM MDT Thu Aug 28 2025

.TONIGHT...Partly cloudy this evening, then clearing. Patchy
smoke. Lows 52 to 57.
.FRIDAY...Sunny. Patchy smoke. Isolated rain showers in the
afternoon. Chance of rain 20 percent. Highs 78 to 83.
.FRIDAY NIGHT...Mostly clear. Patchy smoke. Lows 53 to 58.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 80 to 85.
.SATURDAY NIGHT...Mostly clear. Lows 53 to 58.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Highs 83 to 90. Lows
55 to 60.
.MONDAY NIGHT...Partly cloudy. Lows 56 to 61.
.TUESDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 84 to 89.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 55 to 60.
.WEDNESDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 84 to 89.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 55 to 60.
Highs 83 to 88.

$$
=

ORZ062-290500-
Baker County-
207 PM PDT Thu Aug 28 2025

.TONIGHT...Partly cloudy with isolated rain showers this evening,
then mostly clear after midnight. Patchy smoke. Chance of rain
20 percent. Lows 50 to 61. Light winds.
.FRIDAY...Sunny. Patchy smoke. Isolated rain showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 83 to
91. Light winds.
.FRIDAY NIGHT...Partly cloudy with isolated rain showers in the
evening, then mostly clear after midnight. Patchy smoke. Chance
of rain 20 percent. Lows 50 to 62. Northwest winds up to 10 mph.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 84 to 92.
Light winds in the morning, becoming southeast up to 10 mph in
the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 51 to 63. Southeast winds
up to 10 mph.
.SUNDAY...Sunny. Highs 85 to 93.
.SUNDAY NIGHT...Partly cloudy. Lows 53 to 65.
.LABOR DAY...Sunny. Highs 87 to 95.
.MONDAY NIGHT...Partly cloudy. Lows 54 to 66.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 87 to 96. Lows
53 to 65.

&&
                  TEMPERATURE
Baker City      50  88  50  89

$$
=

ORZ061-290500-
Harney County-
207 PM PDT Thu Aug 28 2025

.TONIGHT...Mostly clear. Patchy smoke after midnight. Lows 46 to
56. South winds up to 10 mph this evening, becoming light after
midnight.
.FRIDAY...Sunny. Patchy smoke. Isolated rain showers in the
afternoon. Chance of rain 20 percent. Highs 78 to 88. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Patchy smoke after midnight. Lows
48 to 58. Light winds.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 79 to 89.
Southeast winds up to 10 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 49 to 59. Southeast winds up to 10 mph with gusts to 20 mph.
.SUNDAY...Sunny. Highs 82 to 92.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 50 to
62. Highs 82 to 92.
.WEDNESDAY...Sunny. Highs 81 to 91.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 60.
Highs 80 to 90.

&&
                  TEMPERATURE
Burns           46  87  48  89

$$
=

ORZ063-290500-
Malheur County-
307 PM MDT Thu Aug 28 2025 /207 PM PDT Thu Aug 28 2025/

.TONIGHT...Partly cloudy with isolated showers this evening, then
mostly clear after midnight. Patchy smoke. Chance of rain
20 percent. Lows 53 to 62. Southeast winds up to 10 mph.
.FRIDAY...Sunny. Patchy smoke. Isolated showers in the afternoon.
Chance of rain 20 percent. Highs 83 to 90. Light winds.
.FRIDAY NIGHT...Partly cloudy with isolated showers in the
evening, then mostly clear after midnight. Patchy smoke. Chance
of rain 20 percent. Lows 52 to 62. East winds up to 10 mph in the
evening, becoming light after midnight.
.SATURDAY...Patchy smoke in the morning. Sunny. Highs 85 to 91.
South winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 52 to 62. East winds up to
10 mph.
.SUNDAY...Sunny. Highs 88 to 93.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 54 to
64. Highs 88 to 94.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 87 to 94. Lows
55 to 65.

$$
=