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Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Boise Air Terminal (KBOI)

Lat: 43.56704°NLon: 116.24053°WElev: 2822.0ft.

Clear

86°F

30°C

Humidity 33%
Wind Speed S 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 Jul 08:35 PM MDT
Extended Forecast for

Boise Municipal ID

Heat Advisory July 23, 02:00pm until July 25, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 5pm. Sunny and hot, with a high near 102. South wind around 5 mph becoming northwest in the afternoon.

    High: 102 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Northwest wind around 6 mph becoming southeast after midnight.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 105. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 105 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 72. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 72 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Thursday
Patchy smoke before 5pm. Sunny and hot, with a high near 102. South wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 70. Northwest wind around 6 mph becoming southeast after midnight.
Friday
Sunny and hot, with a high near 105. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Friday Night
Clear, with a low around 72. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Clear, with a low around 68.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny and hot, with a high near 96.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Clear, with a low around 65.
Wednesday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boise Municipal ID
 43.57°N 116.24°W (Elev. 2802 ft)
Last Update:
12:29 pm MDT Jul 22, 2026
Forecast Valid:
8pm MDT Jul 22, 2026-6pm MDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation