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

88°F

31°C

Humidity 20%
Wind Speed NW 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Aug 02:20 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
  • This Afternoon

    This Afternoon: Patchy smoke. Sunny and hot, with a high near 94. West northwest wind around 10 mph.

    High: 94 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly cloudy, with a low around 63. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 63 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke. Mostly sunny, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 88 °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 65. South southwest wind around 6 mph becoming east after midnight.

    Low: 65 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before noon.  Areas of smoke before 7am. Partly 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.

    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 88.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

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

    High: 92 °F

    Hot

Detailed Forecast

This Afternoon
Patchy smoke. Sunny and hot, with a high near 94. West northwest wind around 10 mph.
Tonight
Patchy smoke. Mostly cloudy, with a low around 63. Northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Patchy smoke. Mostly sunny, with a high near 88. Calm 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 65. 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. Partly 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.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Sunday
Sunny and hot, with a high near 92.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Partly sunny and hot, with a high near 92.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.6°N 116.18°W (Elev. 2776 ft)
12:29 pm MDT Aug 12, 2026
2pm MDT Aug 12, 2026-6pm MDT Aug 18, 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