Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

79°F

26°C

Humidity 24%
Wind Speed WNW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Aug 11:20 AM MDT
Extended Forecast for

Boise ID

  • Today

    Today: Sunny, with a high near 86. West northwest wind 6 to 8 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind 5 to 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. West northwest wind 3 to 7 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 51 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 89. Light and variable wind becoming east northeast around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 11am and 3pm.  Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. West northwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 52. West wind 5 to 8 mph.
Sunday
Sunny, with a high near 77. West northwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 89. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A slight chance of showers between 11am and 3pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.6°N 116.18°W (Elev. 2776 ft)
12:29 am MDT Aug 29, 2026
11am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
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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