Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

smoke

91°F

33°C

Humidity 18%
Wind Speed NNW 8 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Aug 05:35 PM MDT
Extended Forecast for

Boise ID

Red Flag Warning August 13, 03:00pm until August 14, 06:00am
Click here for hazard details and duration
Red Flag Warning
  • Tonight

    Tonight: Patchy smoke. Mostly cloudy, with a low around 62. Northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 62 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke. Mostly sunny, with a high near 89. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 89 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Patchy smoke before 10pm, then patchy smoke after 4am. Mostly cloudy, with a low around 64. South southwest wind around 6 mph becoming east after midnight.

    Low: 64 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before noon.  Areas of smoke before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 86. East southeast wind 5 to 8 mph becoming south southwest in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 62. South southeast wind around 5 mph becoming light and variable.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Sunday Night

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

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke. Mostly cloudy, with a low around 62. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Patchy smoke. Mostly sunny, with a high near 89. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Patchy smoke before 10pm, then patchy smoke after 4am. Mostly cloudy, with a low around 64. South southwest wind around 6 mph becoming east after midnight.
Friday
A 30 percent chance of showers and thunderstorms, mainly before noon. Areas of smoke before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 86. East southeast wind 5 to 8 mph becoming south southwest in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 62. South southeast wind around 5 mph becoming light and variable.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Sunday
Sunny and hot, with a high near 92.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny and hot, with a high near 92.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
12:29 pm MDT Aug 12, 2026
5pm MDT Aug 12, 2026-6pm MDT Aug 19, 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