National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

30°F

-1°C

Humidity 92%
Wind Speed W 8 mph
Barometer 29.75 in (1008.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 6 Feb 12:53 am CST
Extended Forecast for

Grundy Center IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 34. Windy, with a west wind 11 to 16 mph increasing to 17 to 22 mph. Winds could gust as high as 32 mph.

    Low: 34 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 29 by 5pm. Windy, with a north northwest wind 18 to 24 mph, with gusts as high as 36 mph.

    High: 35 °F⇓

    Decreasing
    Clouds and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Blustery, with a north northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 12 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29. Wind chill values as low as 5. Light east wind becoming south southeast 6 to 11 mph in the morning.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. South southeast wind 8 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 34. Windy, with a west wind 11 to 16 mph increasing to 17 to 22 mph. Winds could gust as high as 32 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 29 by 5pm. Windy, with a north northwest wind 18 to 24 mph, with gusts as high as 36 mph.
Friday Night
Partly cloudy, with a low around 12. Blustery, with a north northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Saturday
Mostly sunny, with a high near 29. Wind chill values as low as 5. Light east wind becoming south southeast 6 to 11 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 22. South southeast wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
11:02 pm CST Feb 5, 2026
Forecast Valid:
1am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation