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

30°F

-1°C

Humidity 85%
Wind Speed SW 8 mph
Barometer 30.13 in (1021.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Jan 4:53 am CST
Extended Forecast for

3 Miles SSW Garwin IA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 46. West southwest wind 6 to 9 mph.

    High: 46 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. West southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. West wind around 15 mph, with gusts as high as 24 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Windy, with a northwest wind 13 to 23 mph, with gusts as high as 31 mph.

    Low: 24 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Windy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.

    High: 28 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Blustery.

    Low: 12 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Windy. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely
    and Windy

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 46. West southwest wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 34. West southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 48. West wind around 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 24. Windy, with a northwest wind 13 to 23 mph, with gusts as high as 31 mph.
Wednesday
Mostly sunny, with a high near 28. Windy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 12. Blustery.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 29.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Windy. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
Partly sunny, with a high near 14. Blustery.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Garwin IA
 42.06°N 92.71°W
Last Update:
3:11 am CST Jan 12, 2026
Forecast Valid:
5am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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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