Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

87°F

31°C

Humidity	70%
Wind Speed	S 18 G 25 mph
Barometer	29.84 in (1009.4 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	30 Jun 11:53 am CDT

More Information:

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

Extended Forecast for

Toledo IA

Extreme Heat Warning June 30, 12:09pm until July 1, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning June 30, 12:09pm until July 1, 10:00pm
NOW until 10:00pm Wed
Extreme Heat Warning
This Afternoon
High: 93 °F
Mostly Sunny
and Breezy
Tonight
Low: 73 °F
Partly Cloudy
Wednesday
High: 93 °F
Sunny then
Sunny and
Breezy
Wednesday Night
Low: 73 °F
Chance
T-storms and
Breezy
Thursday
High: 92 °F
Chance
Showers
Thursday Night
Low: 71 °F
Slight Chance
T-storms then
Showers
Likely
Friday
High: 92 °F
Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 25 mph.

Tonight

Partly cloudy, with a low around 73. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 93. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 25 mph.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. South southwest wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92.

Friday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Independence Day

A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Sunday

Partly sunny, with a high near 88.

Sunday Night

A 30 percent chance of showers. Partly cloudy, with a low around 65.