Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. 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 SSE 5 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Aug 04:20 AM MDT
Extended Forecast for

Boise ID

  • Today

    Today: Partly sunny and hot, with a high near 98. Southeast wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 65. East wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 91. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. North northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

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

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

Today
Partly sunny and hot, with a high near 98. Southeast wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny and hot, with a high near 91. Calm wind becoming northwest 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 59. North northwest wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly sunny and hot, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Mostly sunny and hot, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
12:29 am MDT Aug 22, 2026
4am MDT Aug 22, 2026-6pm MDT Aug 28, 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