Southern Heat Continues; Severe Storms and Heavy Rain

A summer heat wave continues across much of the Southern U.S where widespread excessive heat warnings and heat advisories remain in effect. Scattered thunderstorms, some severe with damaging winds and large hail, will be possible today mainly across Montana, and from the Ohio/Tennessee Valleys into the Carolinas. Excessive rainfall from thunderstorms in these areas may lead to flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

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

Overcast with Haze

77°F

25°C

Humidity 85%
Wind Speed E 12 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 7 Jul 11:53 am CDT
Detailed forecast for

Grundy County

Rest Of Today
Cloudy with a 40 percent chance of thunderstorms. High in the upper 70s. Southeast wind 5 to 10 mph.
Tonight
Mostly cloudy with a 50 percent chance of thunderstorms. Low in the upper 60s. East wind around 5 mph.
Friday
Mostly cloudy with a 50 percent chance of thunderstorms. High in the upper 70s. Northeast wind 5 to 15 mph.
Friday Night
Partly cloudy. Low around 60. Northeast wind 5 to 10 mph.
Saturday
Sunny. High around 80. East wind 5 to 10 mph.
Saturday Night
Partly cloudy. Low in the lower 60s.
Sunday
Mostly sunny. High in the mid 80s.
Sunday Night
Mostly cloudy. A chance of showers and a slight chance of thunderstorms through midnight, then a chance of thunderstorms after midnight. Low in the upper 60s. Chance of precipitation 40 percent.
Monday
Partly sunny. A chance of showers and a slight chance of thunderstorms in the morning, then a slight chance of thunderstorms in the afternoon. High in the mid 80s. Chance of precipitation 40 percent.
Monday Night
Partly cloudy. A 20 percent chance of thunderstorms through midnight. Low in the mid 60s.
Tuesday
Sunny. High in the lower 80s.
Tuesday Night
Mostly clear. Low in the lower 60s.
Wednesday
Sunny. High in the lower 80s.



Click Map For Forecast
1207 PM CDT Thu Jul 7 2022
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database