Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

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

Overcast

75°F

24°C

Humidity 62%
Wind Speed S 20 G 32 mph
Barometer 29.57 in (1000.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 23 Apr 3:53 pm CDT
Detailed forecast for

Grundy County

This Afternoon
Showers and thunderstorms likely. Breezy. Near steady temperature in the lower 70s. South winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent.
Tonight
Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 40s. South winds 15 to 20 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain near 100 percent.
Friday
Sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the morning.
Friday Night
Mostly clear. Lows in the lower 40s. North winds 5 to 10 mph.
Saturday
Sunny in the morning, then becoming partly sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph.
Saturday Night
Mostly cloudy. A slight chance of showers in the evening. Lows in the upper 40s. Chance of rain 20 percent.
Sunday
Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.
Sunday Night
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Breezy with lows in the lower 50s. Chance of rain 80 percent.
Monday
Showers with a chance of thunderstorms. Breezy with highs in the upper 60s. Chance of rain 90 percent.
Monday Night
Mostly cloudy. A chance of showers, mainly in the evening. Breezy with lows in the lower 40s. Chance of rain 40 percent.
Tuesday
Partly sunny. Highs around 60.
Tuesday Night
Partly cloudy. Lows around 40.
Wednesday
Sunny. A slight chance of showers in the afternoon. Highs around 60. Chance of rain 20 percent.



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128 PM CDT Thu Apr 23 2026
 
 

Additional Resources

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