Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Mostly Cloudy

64°F

18°C

Humidity	93%
Wind Speed	S 9 mph
Barometer	29.78 in (1007.8 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	19 May 2:53 am CDT

More Information:

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

Extended Forecast for

Grundy Center IA

Overnight
Low: 53 °F
Slight Chance
Showers
Tuesday
High: 56 °F
Breezy.
Slight Chance
Showers then
Mostly Cloudy
Tuesday Night
Low: 40 °F
Decreasing
Clouds
Wednesday
High: 61 °F
Increasing
Clouds
Wednesday Night
Low: 44 °F
Mostly Cloudy
Thursday
High: 61 °F
Mostly Cloudy
then Chance
Showers
Thursday Night
Low: 44 °F
Showers
Likely
Friday
High: 62 °F
Chance
Showers
Friday Night
Low: 47 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers. Cloudy, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.

Tuesday

A slight chance of showers before 7am, then a chance of sprinkles between 7am and 8am. Mostly cloudy, with a steady temperature around 56. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

Tuesday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North northwest wind 6 to 15 mph, with gusts as high as 20 mph.

Wednesday

Increasing clouds, with a high near 61. North northeast wind 6 to 9 mph.

Wednesday Night

Mostly cloudy, with a low around 44. East wind 5 to 7 mph.

Thursday

A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 61.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 44. Chance of precipitation is 60%.

Friday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 62.

Friday Night

Mostly cloudy, with a low around 47.

Saturday

Partly sunny, with a high near 72.

Saturday Night

Mostly cloudy, with a low around 50.

Sunday

Mostly sunny, with a high near 79.

Sunday Night

Partly cloudy, with a low around 57.