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

2°F

-17°C

Humidity 69%
Wind Speed Calm
Barometer 30.29 in (1028.2 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 20 Jan 1:53 am CST
Extended Forecast for

Marshalltown Municipal Airport IA

  • Overnight

    Overnight: Clear, with a low around -1. Wind chill values as low as -10. Light southwest wind.

    Low: -1 °F

    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 21. Wind chill values as low as -10. Calm wind becoming south 5 to 8 mph in the morning.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as 5. Southeast wind 5 to 9 mph becoming west northwest after midnight. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 31. Wind chill values as low as 5. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. Blustery, with a northwest wind 8 to 16 mph, with gusts as high as 23 mph.

    Low: 7 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °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 -5.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -16.

    Low: -16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around -1. Wind chill values as low as -10. Light southwest wind.
Tuesday
A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 21. Wind chill values as low as -10. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as 5. Southeast wind 5 to 9 mph becoming west northwest after midnight. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 31. Wind chill values as low as 5. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 7. Blustery, with a northwest wind 8 to 16 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around -11.
Friday
Partly sunny and cold, with a high near -5.
Friday Night
Mostly cloudy, with a low around -16.
Saturday
Mostly sunny and cold, with a high near 0.
Saturday Night
Mostly cloudy, with a low around -10.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Mostly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown Municipal Airport IA
 42.12°N 92.92°W
Last Update:
10:11 pm CST Jan 19, 2026
Forecast Valid:
2am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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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