Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

43°F

6°C

Humidity 51%
Wind Speed SE 3 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 8 May 6:53 am CDT
Extended Forecast for

Marshalltown Municipal Airport IA

  • Today

    Today: Sunny, with a high near 72. South wind 5 to 10 mph becoming west in the afternoon.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southwest wind 7 to 9 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Breezy, with a west wind 9 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 73 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 41. North wind 8 to 14 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a north wind 8 to 16 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 48. Breezy.  Chance of precipitation is 60%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Windy.

    High: 76 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
Sunny, with a high near 72. South wind 5 to 10 mph becoming west in the afternoon.
Tonight
Mostly clear, with a low around 44. Southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 73. Breezy, with a west wind 9 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 41. North wind 8 to 14 mph.
Sunday
Sunny, with a high near 64. Breezy, with a north wind 8 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 68.
Monday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 48. Breezy. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 76. Windy.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown Municipal Airport IA
 42.1°N 92.92°W
6:26 am CDT May 8, 2026
7am CDT May 8, 2026-6pm CDT May 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database