Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. 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.

Fog/Mist

61°F

16°C

Humidity	97%
Wind Speed	E 7 mph
Barometer	29.95 in (1013.7 mb)
Dewpoint	60°F (16°C)
Visibility	5.00 mi
Last update	13 Jun 5:53 am CDT

More Information:

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

Detailed forecast for

Grundy County

Today

Mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.

Tonight

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. Southeast winds 5 to 10 mph.

Saturday

Mostly sunny. A slight chance of showers in the afternoon. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 20 percent.

Saturday Night

Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 30 percent.

Sunday

Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent.

Sunday Night

Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Monday

Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

Monday Night

Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

Tuesday

Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.

Tuesday Night

Showers and thunderstorms likely in the evening, then showers with a chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 80 percent.

Wednesday

Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.

Wednesday Night

Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.

Juneteenth

Sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.