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Flooding and Severe Weather Risk Continues This Weekend

More heavy rain will exacerbate flooding in the central and southern U.S. this weekend. In addition, over portions of the Mississippi, Ohio, and Tennessee Valleys, severe thunderstorms are expected. Some storms may produce large hail, damaging winds, and tornadoes. Meanwhile, snow and ice will again affect the Cascades, northern Rockies, upper Midwest, and New England through Sunday. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11° N Lon: 92.92° W Elev: 971 ft.




Humidity 75%
Wind Speed W 20 mph
Barometer 29.89 in (1013.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 25 Feb 9:53 am CST
Detailed forecast for

Grundy County

Sunny, breezy. High in the mid 30s. West wind 10 to 20 mph with gusts to around 30 mph.
Mostly clear. Low 15 to 20. Southwest wind 5 to 10 mph.
Sunny. High in the mid 40s. South wind 5 to 10 mph.
Monday Night
Mostly clear. Low in the upper 20s. South wind around 10 mph.
Sunny in the morning then becoming mostly cloudy. High in the upper 40s. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy. A 20 percent chance of light rain through midnight. Low in the lower 30s.
Cloudy. Light rain likely in the afternoon. High in the lower 40s. Chance of rain 70 percent.
Wednesday Night
Light rain through midnight, then light rain and snow after midnight. Low in the lower 30s. Chance of precipitation 90 percent.
Cloudy. Light snow possibly mixed with rain in the morning, then a chance of light rain and snow in the afternoon. Breezy. High in the mid 30s. Chance of precipitation 70 percent.
Thursday Night
Mostly cloudy. Colder. Low in the lower 20s.
Mostly sunny. High in the mid 30s.
Friday Night
Partly cloudy. Low in the lower 20s.
Mostly sunny. High in the upper 30s.

Click Map For Forecast
739 AM CST Sun Feb 25 2018

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database