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

10°F

-12°C

Humidity 84%
Wind Speed NW 3 mph
Barometer 30.12 in (1021.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 15 Jan 3:53 am CST
Extended Forecast for

Grundy Center IA

  • Today

    Today: A chance of flurries between 1pm and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 31. Wind chill values as low as 5. Breezy, with a light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 31 °F

    Mostly Sunny
    then Chance
    Snow and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 30. Blustery, with a south southwest wind 13 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a temperature rising to near 31 by 9am, then falling to around 23 during the remainder of the day. Wind chill values as low as 5. Windy, with a west northwest wind 20 to 25 mph, with gusts as high as 33 mph.

    High: 31 °F⇓

    Windy. Partly
    Sunny then
    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Wind chill values as low as -10. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Partly sunny, with a high near 11. Windy, with a northwest wind 20 to 22 mph, with gusts as high as 29 mph.

    High: 11 °F

    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. Blustery.

    Low: 1 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2. Windy.

    Low: 2 °F

    Mostly Cloudy
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 11. Windy.

    High: 11 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
A chance of flurries between 1pm and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 31. Wind chill values as low as 5. Breezy, with a light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
Mostly cloudy, with a steady temperature around 30. Blustery, with a south southwest wind 13 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a temperature rising to near 31 by 9am, then falling to around 23 during the remainder of the day. Wind chill values as low as 5. Windy, with a west northwest wind 20 to 25 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 6. Wind chill values as low as -10. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 11. Windy, with a northwest wind 20 to 22 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 1. Blustery.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 2. Windy.
M.L.King Day
Mostly sunny, with a high near 11. Windy.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 26.
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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:
3:11 am CST Jan 15, 2026
Forecast Valid:
4am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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