Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Freezing Fog and Windy

21°F

-6°C

Humidity 92%
Wind Speed NW 31 G 41 mph
Barometer 29.56 in (1002.0 mb)
Dewpoint 19°F (-7°C)
Visibility 0.50 mi
Wind Chill2°F (-17°C)
Last update 20 Feb 2:53 am CST
Extended Forecast for

Grundy Center IA

Winter Storm Warning February 20, 03:33am until February 20, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 20, 03:33am until February 20, 06:00am

    NOW until 6:00am Fri

    Winter Storm Warning

  • Overnight

    Low: 21 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: A chance of flurries before 7am.  Mostly cloudy, with a high near 25. Wind chill values as low as 5. Windy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 25 °F

    Chance
    Flurries and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 7 to 9 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 25. Wind chill values as low as zero. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 19. Windy.

    High: 19 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

Detailed Forecast

Overnight
Snow, mainly before 5am. The snow could be heavy at times. Low around 21. Wind chill values as low as 5. Windy, with a northwest wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 4 to 8 inches possible.
Friday
A chance of flurries before 7am. Mostly cloudy, with a high near 25. Wind chill values as low as 5. Windy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 25. Wind chill values as low as zero. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 9. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 19. Windy.
Sunday Night
Mostly clear, with a low around 5.
Monday
Sunny, with a high near 19.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Mostly sunny, with a high near 38.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.79°W
3:21 am CST Feb 20, 2026
3am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
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Additional Resources

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