Heavy Rain Threatens the Mid-Atlantic on Sunday While Fire Weather Conditions Worsen in the Southwest

Heavy rain is bringing a flash flood risk to parts of the Mid-Atlantic on Sunday. This activity will diminish overnight. On Monday, the focus shifts into the Plains and Mississippi Valley where severe thunderstorms and heavy rains will be possible through Tuesday. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. 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

79°F

26°C

Humidity	72%
Wind Speed	SE 9 mph
Barometer	30.02 in (1015.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	15 Jun 5:53 pm CDT

More Information:

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

Extended Forecast for

Union IA

Tonight
Low: 65 °F
Scattered
T-storms
Monday
High: 87 °F
Slight Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 65 °F
T-storms then
Showers
Wednesday
High: 82 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 60 °F
Slight Chance
T-storms
Juneteenth
High: 84 °F
Sunny
Thursday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. South southeast wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 7 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. West southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm. Low around 65. North wind around 7 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.

Juneteenth

Sunny, with a high near 84.

Thursday Night

Mostly clear, with a low around 63.

Friday

Sunny, with a high near 87. Breezy.

Friday Night

Mostly clear, with a low around 72. Breezy.

Saturday

Sunny, with a high near 92. Breezy.