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.

Light Snow Fog/Mist

24°F

-4°C

Humidity 91%
Wind Speed E 15 mph
Barometer 30.22 in (1024.8 mb)
Dewpoint 22°F (-6°C)
Visibility 2.50 mi
Wind Chill11°F (-12°C)
Last update 29 Nov 12:53 am CST
Extended Forecast for

Grundy Center IA

Winter Storm Warning November 29, 01:28am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 01:28am until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 23 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 29. East wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 29 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before 11pm. Patchy blowing snow before 8pm, then patchy blowing snow after 9pm. Low around 15. Wind chill values as low as zero. Windy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Partly sunny, with a high near 20. Wind chill values as low as zero. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 20 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 16.

    High: 16 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 23. East southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 29. East wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow, mainly before 11pm. Patchy blowing snow before 8pm, then patchy blowing snow after 9pm. Low around 15. Wind chill values as low as zero. Windy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Partly sunny, with a high near 20. Wind chill values as low as zero. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 2. West northwest wind 5 to 8 mph becoming calm after midnight.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 16.
Monday Night
Mostly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around 5.
Friday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
11:16 pm CST Nov 28, 2025
Forecast Valid:
1am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
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Additional Resources

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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