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.

Blowing Snow Fog/Mist and Windy

17°F

-8°C

Humidity 88%
Wind Speed NW 28 G 36 mph
Barometer 30.12 in (1021.6 mb)
Dewpoint 14°F (-10°C)
Visibility 4.00 mi
Wind Chill-2°F (-19°C)
Last update 30 Nov 2:53 am CST
Extended Forecast for

Grundy Center IA

Winter Weather Advisory until November 30, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until November 30, 12:00pm

    NOW until 12:00pm Sun

    Winter Weather Advisory

  • Overnight

    Low: 18 °F

    Patchy
    Blowing Snow
    and Windy

  • Sunday

    Sunday: Patchy blowing snow before 8am. Mostly cloudy, with a high near 21. Wind chill values as low as zero. Windy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 21 °F

    Patchy
    Blowing Snow
    and Windy
    then Partly
    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Snow likely, mainly between 9am and 3pm. Cloudy, with a high near 19. Wind chill values as low as zero. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8. West southwest wind around 6 mph.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27. Blustery.

    High: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Blustery

Detailed Forecast

Overnight
Patchy blowing snow. Mostly cloudy, with a steady temperature around 18. Wind chill values as low as zero. Windy, with a northwest wind 22 to 25 mph, with gusts as high as 37 mph.
Sunday
Patchy blowing snow before 8am. Mostly cloudy, with a high near 21. Wind chill values as low as zero. Windy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Snow likely, mainly between 9am and 3pm. Cloudy, with a high near 19. Wind chill values as low as zero. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 8. West southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27. Blustery.
Wednesday Night
Partly cloudy, with a low around -9.
Thursday
Sunny and cold, with a high near 8.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
3:16 am CST Nov 30, 2025
Forecast Valid:
3am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
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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