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.

A Few Clouds

7°F

-14°C

Humidity 57%
Wind Speed W 16 mph
Barometer 30.34 in (1029.7 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 19 Jan 2:53 pm CST
Extended Forecast for

Marshalltown IA

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a steady temperature around 8. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 21 mph.

    High: 8 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -5. West wind 5 to 8 mph becoming calm after midnight.

    Low: 0 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 22. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 22 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 15. Wind chill values as low as 5. Southeast wind 6 to 9 mph becoming west northwest after midnight. Little or no snow accumulation expected.

    Low: 15 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. West southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -11.

    Low: -11 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -4.

    High: -4 °F

    Cold

Detailed Forecast

M.L.King Day
Partly sunny and cold, with a steady temperature around 8. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -5. West wind 5 to 8 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 15. Wind chill values as low as 5. Southeast wind 6 to 9 mph becoming west northwest after midnight. Little or no snow accumulation expected.
Wednesday
Mostly sunny, with a high near 32. West southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around -11.
Friday
Partly sunny and cold, with a high near -4.
Friday Night
Mostly cloudy, with a low around -15.
Saturday
Mostly sunny and cold, with a high near 2.
Saturday Night
Partly cloudy, with a low around -9.
Sunday
Mostly sunny, with a high near 13.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.06°N 92.92°W
Last Update:
3:16 pm CST Jan 19, 2026
Forecast Valid:
3pm CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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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