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

Nampa Municipal Airport (KMAN)

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

Clear

72°F

22°C

Humidity 28%
Wind Speed WNW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Aug 03:55 AM MDT
Extended Forecast for

3 Miles W Meridian ID

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

    Today: Sunny and hot, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 59. North wind 5 to 7 mph becoming light and variable.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. South wind 5 to 7 mph becoming northwest in the afternoon.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. North northwest wind 5 to 9 mph becoming southeast after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 101. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

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

    High: 95 °F

    Hot

  • Saturday Night

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

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. North wind 5 to 7 mph becoming light and variable.
Thursday
Sunny and hot, with a high near 100. South wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 63. North northwest wind 5 to 9 mph becoming southeast after midnight.
Friday
Mostly sunny and hot, with a high near 101. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Meridian ID
 43.61°N 116.46°W (Elev. 2572 ft)
3:53 am MDT Aug 19, 2026
4am 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