Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. 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

77°F

25°C

Humidity 41%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 10:20 PM MDT
Extended Forecast for

22 Miles N Mountain Home ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. North wind around 5 mph becoming light and variable  after midnight.

    Low: 56 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91. East wind around 5 mph becoming calm.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West northwest wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Thursday

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

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. North wind around 5 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny and hot, with a high near 91. East wind around 5 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 56. West northwest wind around 5 mph becoming calm.
Thursday
Mostly sunny and hot, with a high near 94.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny and hot, with a high near 95.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles N Mountain Home ID
 43.46°N 115.67°W (Elev. 4642 ft)
12:29 pm MDT Aug 17, 2026
10pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database