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

Hazardous Weather Outlook

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 Index	78°F (26°C)
Last update	7 Jul 11:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

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.