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.

Mostly Cloudy

12°F

-11°C

Humidity 56%
Wind Speed N 18 G 33 mph
Barometer 30.54 in (1036.6 mb)
Dewpoint -1°F (-18°C)
Visibility 8.00 mi
Wind Chill-5°F (-21°C)
Last update 30 Jan 3:53 pm CST
Extended Forecast for

Grundy Center IA

  • This Afternoon

    This Afternoon: Isolated snow showers before 5pm, then scattered flurries after 5pm. Mostly sunny, with a high near 11. Wind chill values as low as -10. Blustery, with a north wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 11 °F

    Isolated Snow
    Showers and
    Blustery

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around -4. Wind chill values as low as -20. North northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: -4 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 18. Wind chill values as low as -15. North northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 18 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 9. Wind chill values as low as -5. Light south wind increasing to 6 to 11 mph in the evening.

    Low: 9 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 28. South wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow before noon. Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Isolated snow showers before 5pm, then scattered flurries after 5pm. Mostly sunny, with a high near 11. Wind chill values as low as -10. Blustery, with a north wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around -4. Wind chill values as low as -20. North northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 18. Wind chill values as low as -15. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 9. Wind chill values as low as -5. Light south wind increasing to 6 to 11 mph in the evening.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 28. South wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 26.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 15.
Tuesday
A 30 percent chance of snow before noon. Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 36.
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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:
3:22 pm CST Jan 30, 2026
Forecast Valid:
4pm CST Jan 30, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

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Chance of Precipitation