Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Nampa Municipal Airport (KMAN)

Lat: 43.5813°NLon: 116.5231°WElev: 2536.0ft.

Clear

97°F

36°C

Humidity 10%
Wind Speed NW 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 19 Aug 06:55 PM MDT
Extended Forecast for

5 Miles SSE Nampa ID

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

    Tonight: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Light and variable wind becoming north northwest 5 to 7 mph in the morning.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Patchy smoke between 11am and noon. Partly sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Patchy Smoke
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98. Light and variable wind becoming north northwest 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 63. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Patchy smoke between 11am and noon. Partly sunny and hot, with a high near 98. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm.
Saturday
Partly sunny and hot, with a high near 94.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny and hot, with a high near 90.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Nampa ID
 43.52°N 116.53°W (Elev. 2569 ft)
12:32 pm MDT Aug 19, 2026
7pm MDT Aug 19, 2026-6pm MDT Aug 26, 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