Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Overcast

53°F

12°C

Humidity	72%
Wind Speed	NW 18 G 26 mph
Barometer	30.13 in (1020.4 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	19 May 3:53 pm CDT

More Information:

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

Extended Forecast for

4 Miles WSW Grundy Center IA

This Afternoon
High: 57 °F
Mostly Cloudy
and Breezy
Tonight
Low: 40 °F
Decreasing
Clouds
Wednesday
High: 61 °F
Increasing
Clouds
Wednesday Night
Low: 44 °F
Increasing
Clouds
Thursday
High: 61 °F
Mostly Cloudy
then Slight
Chance
Showers
Thursday Night
Low: 45 °F
Chance
Showers then
Showers
Likely
Friday
High: 60 °F
Showers
Likely
Friday Night
Low: 47 °F
Chance
Showers
Saturday
High: 71 °F
Partly Sunny

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 57. Breezy, with a northwest wind around 17 mph, with gusts as high as 25 mph.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North northwest wind 5 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

Increasing clouds, with a low around 44. East northeast wind 5 to 7 mph.

Thursday

A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. East wind around 11 mph.

Thursday Night

Showers likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

Friday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

Saturday

Partly sunny, with a high near 71.

Saturday Night

Mostly cloudy, with a low around 50.

Sunday

Sunny, with a high near 78.

Sunday Night

Mostly clear, with a low around 53.

Memorial Day

Sunny, with a high near 82.