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.

Fair

35°F

2°C

Humidity 72%
Wind Speed NW 6 mph
Barometer 29.98 in (1015.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 May 4:53 am CDT
Extended Forecast for

Union IASimilar City Names

  • Today

    Today: Partly sunny, with a high near 55. Light north wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: Mostly sunny, with a high near 64. West wind 5 to 11 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South southwest wind 3 to 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Breezy.

    High: 65 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 55. Light north wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 64. West wind 5 to 11 mph.
Thursday Night
Partly cloudy, with a low around 41. South southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 70. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 65. Breezy.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union IASimilar City Names
 42.23°N 93.06°W
Last Update:
5:36 am CDT May 6, 2026
Forecast Valid:
5am CDT May 6, 2026-6pm CDT May 12, 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