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

-4°F

-20°C

Humidity 68%
Wind Speed NE 13 mph
Barometer 30.28 in (1028.2 mb)
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-23°F (-31°C)
Last update 25 Jan 8:53 am CST
Extended Forecast for

Grundy Center IA

Cold Weather Advisory January 26, 12:00am until January 26, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Sunny and cold, with a high near 7. Wind chill values as low as -20. North wind 8 to 10 mph.

    High: 7 °F

    Cold

  • Tonight

    Tonight: Partly cloudy, with a low around -10. Wind chill values as low as -25. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: -10 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 16. Wind chill values as low as -25. Breezy, with a west northwest wind 9 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 16 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7. Wind chill values as low as -10. Breezy, with a south southwest wind 14 to 18 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 7 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 24 mph.

    High: 12 °F

    Mostly Sunny
    and Blustery

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and cold, with a high near 7. Wind chill values as low as -20. North wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around -10. Wind chill values as low as -25. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 16. Wind chill values as low as -25. Breezy, with a west northwest wind 9 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 7. Wind chill values as low as -10. Breezy, with a south southwest wind 14 to 18 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny, with a high near 12. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 14.
Wednesday Night
Partly cloudy, with a low around -3.
Thursday
Mostly sunny, with a high near 12.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 14.
Friday Night
Partly cloudy, with a low around -1.
Saturday
Sunny, with a high near 18.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
9:31 am CST Jan 25, 2026
Forecast Valid:
9am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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