Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

65°F

18°C

Humidity	90%
Wind Speed	W 9 mph
Barometer	29.89 in (1010.9 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	19 Jun 12:53 am CDT

More Information:

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

Extended Forecast for

3 Miles NW Rockwell IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Overnight
Low: 59 °F
Mostly Clear
Juneteenth
High: 85 °F
Sunny
Thursday Night
Low: 66 °F
Mostly Clear
then Chance
T-storms
Friday
High: 90 °F
Chance
T-storms and
Breezy then
Sunny and
Windy
Friday Night
Low: 75 °F
Mostly Clear
and Windy
Saturday
High: 94 °F
Sunny and
Windy
Saturday Night
Low: 76 °F
Clear and
Windy
Sunday
High: 94 °F
Sunny and
Windy
Sunday Night
Low: 72 °F
Mostly Clear
and Windy
then Chance
T-storms and
Breezy

Detailed Forecast

Overnight

Mostly clear, with a low around 59. West northwest wind around 6 mph.

Juneteenth

Sunny, with a high near 85. West wind 6 to 10 mph.

Thursday Night

A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 66. South southwest wind 7 to 11 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 40 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 90. Windy, with a south wind 14 to 22 mph, with gusts as high as 32 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Mostly clear, with a low around 75. Windy, with a south southwest wind 20 to 23 mph, with gusts as high as 33 mph.

Saturday

Sunny, with a high near 94. Windy.

Saturday Night

Clear, with a low around 76. Windy.

Sunday

Sunny, with a high near 94. Windy.

Sunday Night

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

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.