Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

88°F

31°C

Humidity 25%
Wind Speed NNW 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 03:00 PM MDT
Extended Forecast for

Boise ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy smoke between 8am and 10am. Mostly sunny and hot, with a high near 95. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 95 °F

    Patchy Smoke
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Light and variable wind.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy smoke between 8am and 10am. Mostly sunny and hot, with a high near 95. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 96. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Mostly sunny and hot, with a high near 99.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny and hot, with a high near 93.
Saturday Night
Mostly clear, with a low around 63.
Sunday
A 20 percent chance of showers. Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny and hot, with a high near 92.
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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 17, 2026
3pm MDT Aug 17, 2026-6pm MDT Aug 24, 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