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

33°F

1°C

Humidity 72%
Wind Speed E 7 mph
Barometer 30.30 in (1027.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 20 Apr 7:53 am CDT
Extended Forecast for

Garwin IA

Freeze Warning April 20, 08:26am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 08:26am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 49. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. West wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. South wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Windy.

    High: 74 °F

    Windy. Partly
    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Windy. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely and
    Windy

Detailed Forecast

Today
Sunny, with a high near 62. Breezy, with a south wind 6 to 16 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 49. South wind around 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 78. West wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Clear, with a low around 50. Northwest wind around 5 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 80. South wind 6 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Windy.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Windy. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
Last Update:
7:32 am CDT Apr 20, 2026
Forecast Valid:
8am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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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