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 36%
Wind Speed SSE 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Aug 07:35 AM MDT
Extended Forecast for

11 Miles S 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 96. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 63. North northwest wind 5 to 8 mph becoming east after midnight.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. East wind 7 to 9 mph becoming northwest in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. North northwest wind 6 to 11 mph becoming east after midnight.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 101. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

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

    High: 94 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 62.

    Low: 62 °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 96. Calm wind becoming north northwest 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 63. North northwest wind 5 to 8 mph becoming east after midnight.
Thursday
Sunny and hot, with a high near 100. East wind 7 to 9 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. North northwest wind 6 to 11 mph becoming east after midnight.
Friday
Mostly sunny and hot, with a high near 101. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 69.
Saturday
Mostly sunny and hot, with a high near 94.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Boise Municipal ID
 43.42°N 116.2°W (Elev. 2999 ft)
3:53 am MDT Aug 19, 2026
7am 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