Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

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

Fair

31°F

-1°C

Humidity 92%
Wind Speed NW 6 mph
Barometer 30.16 in (1022.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 9 Jan 7:53 pm CST
Detailed forecast for

Grundy County

Tonight
Mostly cloudy. A chance of snow after midnight. Lows in the upper 20s. Northwest winds 5 to 10 mph. Chance of snow 30 percent.
Saturday
Partly sunny with a chance of flurries. Near steady temperature in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night
Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows around 17. Northwest winds 15 to 25 mph.
Sunday
Sunny. Highs around 30. Northwest winds 10 to 15 mph, becoming west in the afternoon.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Near steady temperature in the upper 20s. Southwest winds 10 to 15 mph.
Monday
Sunny. Highs in the mid 40s.
Monday Night
Mostly cloudy. Near steady temperature in the mid 30s.
Tuesday
Partly sunny. Highs in the upper 40s.
Tuesday Night
Mostly cloudy. Lows in the upper 20s.
Wednesday
Partly sunny and cooler. Near steady temperature in the upper 20s.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 20.
Thursday
Partly sunny. A slight chance of snow in the afternoon. Highs in the lower 30s. Chance of snow 20 percent.
Thursday Night
Mostly cloudy. A chance of snow, mainly in the evening. Near steady temperature in the upper 20s. Chance of snow 30 percent.
Friday
Mostly cloudy. A slight chance of snow in the morning, then a chance of snow in the afternoon. Highs in the lower 30s. Chance of snow 30 percent.



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513 PM CST Fri Jan 9 2026
 
 

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