Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

smoke

82°F

28°C

Humidity 30%
Wind Speed SE 19 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Aug 06:35 PM MDT
Extended Forecast for

Boise ID

Red Flag Warning until August 14, 06:00am
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 14, 06:00am

    NOW until 6:00am Fri

    Red Flag Warning

  • Tonight

    Low: 61 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming south southeast around 6 mph in the morning.

    High: 87 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 89. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. South southeast wind around 5 mph becoming light and variable  after midnight.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 61. East southeast wind 5 to 8 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming south southeast around 6 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Light and variable wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. South southeast wind around 5 mph becoming light and variable after midnight.
Sunday
Sunny and hot, with a high near 91.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny and hot, with a high near 91.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
12:30 pm MDT Aug 13, 2026
6pm MDT Aug 13, 2026-6pm MDT Aug 20, 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