Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

86°F

30°C

Humidity	70%
Wind Speed	S 16 G 32 mph
Barometer	29.76 in (1006.9 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	29 Jun 11:53 am CDT

More Information:

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

Extended Forecast for

Whitten IA

Extreme Heat Warning June 29, 12:36pm until June 30, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 29, 12:36pm until June 30, 09:00pm
NOW until 9:00pm Tue
Extreme Heat Warning
This Afternoon
High: 93 °F
Sunny and
Windy
Tonight
Low: 76 °F
Partly Cloudy
and Windy
then Slight
Chance
T-storms
Tuesday
High: 93 °F
Breezy.
Slight Chance
T-storms then
Sunny
Tuesday Night
Low: 74 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 91 °F
Mostly Sunny
and Breezy
Wednesday Night
Low: 75 °F
Chance
Showers and
Breezy
Thursday
High: 90 °F
Slight Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 93. Heat index values as high as 105. Windy, with a south wind 21 to 24 mph, with gusts as high as 33 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Windy, with a south wind 13 to 22 mph, with gusts as high as 32 mph.

Tuesday

A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, then gradually becoming sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 26 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 74. South southwest wind 11 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Mostly sunny, with a high near 91. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 31 mph.

Wednesday Night

A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 75. Breezy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Thursday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Friday

Mostly sunny, with a high near 89.

Friday Night

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

Independence Day

Mostly sunny, with a high near 88.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.