Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Boise Air Terminal (KBOI)

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

Clear

86°F

30°C

Humidity 20%
Wind Speed WSW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 12:53 PM MDT
Extended Forecast for

2 Miles ESE Boise Municipal ID

Heat Advisory August 20, 12:00pm until August 21, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 96. West northwest wind 3 to 6 mph.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 67. Northwest wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 70. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 100. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. West northwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 67. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Thursday
Sunny and hot, with a high near 99. Light and variable wind becoming northwest 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 70. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny and hot, with a high near 100. Light and variable wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 72.
Saturday
Partly sunny and hot, with a high near 95.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny and hot, with a high near 91.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Boise Municipal ID
 43.56°N 116.17°W (Elev. 2887 ft)
12:32 pm MDT Aug 19, 2026
1pm MDT Aug 19, 2026-6pm MDT Aug 25, 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