Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. 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

79°F

26°C

Humidity	56%
Wind Speed	S 6 mph
Barometer	30.08 in (1018.1 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	28 Aug 5:53 pm CDT

More Information:

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

Extended Forecast for

Clemons IA

Tonight
Low: 66 °F
Partly Cloudy
then Slight
Chance
T-storms
Saturday
High: 86 °F
Showers
Likely then
Slight Chance
T-storms and
Breezy
Saturday Night
Low: 72 °F
Partly Cloudy
Sunday
High: 91 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday Night
Low: 74 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 93 °F
Mostly Sunny
Monday Night
Low: 72 °F
Mostly Cloudy
then Chance
T-storms
Tuesday
High: 92 °F
Slight Chance
T-storms
Tuesday Night
Low: 72 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. South wind 6 to 9 mph.

Saturday

Showers and thunderstorms likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 86. Breezy, with a south wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Partly cloudy, with a low around 72. South wind 10 to 14 mph, with gusts as high as 23 mph.

Sunday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 91. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 8 to 10 mph.

Monday

Mostly sunny, with a high near 93.

Monday Night

A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 92.

Tuesday Night

A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72.

Wednesday

Mostly sunny, with a high near 92.