Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

64°F

18°C

Humidity 42%
Wind Speed S 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Aug 05:20 AM MDT
Extended Forecast for

19 Miles SE Boise Municipal ID

Heat Advisory August 20, 12:00pm until August 21, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 95. Northeast wind 5 to 8 mph becoming light and variable.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 68. Northwest wind 7 to 10 mph becoming northeast after midnight.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. East northeast wind 7 to 9 mph becoming south southwest in the afternoon.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Northwest wind 8 to 11 mph becoming east northeast after midnight.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 101. East northeast wind 5 to 9 mph becoming south southwest in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 95. Northeast wind 5 to 8 mph becoming light and variable.
Tonight
Mostly clear, with a low around 68. Northwest wind 7 to 10 mph becoming northeast after midnight.
Thursday
Sunny and hot, with a high near 99. East northeast wind 7 to 9 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 70. Northwest wind 8 to 11 mph becoming east northeast after midnight.
Friday
Mostly sunny and hot, with a high near 101. East northeast wind 5 to 9 mph becoming south southwest in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 72.
Saturday
Partly sunny and hot, with a high near 93.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny and hot, with a high near 91.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Boise Municipal ID
 43.41°N 115.9°W (Elev. 3596 ft)
3:53 am MDT Aug 19, 2026
5am MDT Aug 19, 2026-6pm MDT Aug 25, 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