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

82°F

28°C

Humidity 17%
Wind Speed NNW 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 11:55 AM MDT
Extended Forecast for

Meridian 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. North wind around 6 mph.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind 5 to 7 mph becoming light and variable.

    Low: 60 °F

    Mostly Clear

  • Thursday

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

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. North northwest wind 5 to 9 mph becoming east southeast after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 101. Calm wind becoming west around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

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

    Low: 67 °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 and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. North wind around 6 mph.
Tonight
Mostly clear, with a low around 60. North wind 5 to 7 mph becoming light and variable.
Thursday
Sunny and hot, with a high near 100. South southeast wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 64. North northwest wind 5 to 9 mph becoming east southeast after midnight.
Friday
Mostly sunny and hot, with a high near 101. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Meridian ID
 43.62°N 116.43°W (Elev. 2575 ft)
3:53 am MDT Aug 19, 2026
12pm 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