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

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

-4°C

25°F

Humidity 69%
Wind Speed SE 22 km/h
Barometer 1019.7 mb (30.08 in)
Dewpoint -9°C (16°F)
Visibility 16 km
Wind Chill-11°C (13°F)
Last update 8 Feb 4:53 am CST
Extended Forecast for

Grundy Center IA

  • Today

    Today: Mostly sunny, with a high near 3. East southeast wind 18 to 23 km/h decreasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 3 °C

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -3. South wind around 11 km/h.

    Low: -3 °C

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 12. South wind 11 to 21 km/h, with gusts as high as 29 km/h.

    High: 12 °C

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0. South southwest wind around 16 km/h becoming north northwest after midnight.

    Low: 0 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 6. North northwest wind 13 to 23 km/h, with gusts as high as 29 km/h.

    High: 6 °C

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around -4.

    Low: -4 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 6.

    High: 6 °C

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around -1.

    Low: -1 °C

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A 50 percent chance of snow. Mostly cloudy, with a high near 6.

    High: 6 °C

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 3. East southeast wind 18 to 23 km/h decreasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 37 km/h.
Tonight
Partly cloudy, with a low around -3. South wind around 11 km/h.
Monday
Partly sunny, with a high near 12. South wind 11 to 21 km/h, with gusts as high as 29 km/h.
Monday Night
Mostly cloudy, with a low around 0. South southwest wind around 16 km/h becoming north northwest after midnight.
Tuesday
Partly sunny, with a high near 6. North northwest wind 13 to 23 km/h, with gusts as high as 29 km/h.
Tuesday Night
Mostly cloudy, with a low around -4.
Wednesday
Partly sunny, with a high near 6.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around -1.
Thursday
A 50 percent chance of snow. Mostly cloudy, with a high near 6.
Thursday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around -3.
Friday
Partly sunny, with a high near 6.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
A chance of rain and snow. Partly sunny, with a high near 4. Chance of precipitation is 30%.
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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:
5:17 am CST Feb 8, 2026
Forecast Valid:
5am CST Feb 8, 2026-6pm CST Feb 14, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation