Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

70°F

21°C

Humidity	93%
Wind Speed	SE 6 mph
Barometer	29.89 in (1011.2 mb)
Dewpoint	68°F (20°C)
Visibility	9.00 mi
Last update	15 Jul 11:53 pm CDT

More Information:

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

Extended Forecast for

Marshalltown Municipal Airport IA

Overnight
Low: 71 °F
Slight Chance
T-storms
Wednesday
High: 82 °F
Chance
T-storms
Wednesday Night
Low: 57 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 72 °F
Partly Sunny
Thursday Night
Low: 56 °F
Partly Cloudy
Friday
High: 77 °F
Mostly Sunny
then Slight
Chance
Showers
Friday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
T-storms
Saturday
High: 83 °F
Chance
T-storms
Saturday Night
Low: 65 °F
Chance
T-storms

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a steady temperature around 71. Southeast wind around 8 mph.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind 8 to 10 mph becoming west northwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 57. North northwest wind 9 to 13 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Partly sunny, with a high near 72. North northeast wind 9 to 13 mph.

Thursday Night

Partly cloudy, with a low around 56. East wind 6 to 9 mph.

Friday

A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77.

Friday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.