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 >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

63°F

17°C

Humidity 93%
Wind Speed NE 7 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 1:53 am CDT
Extended Forecast for

4 Miles E Clemons IA

  • Overnight

    Overnight: Clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. South wind 3 to 6 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 58. Light northeast wind.
Thursday
Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. South wind 3 to 6 mph.
Friday
Sunny, with a high near 84. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Clemons IA
 42.13°N 93.09°W
1:31 am CDT Aug 20, 2026
2am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database