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

79°F

26°C

Humidity	54%
Wind Speed	W 10 mph
Barometer	29.96 in (1013.4 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	19 Jun 11:53 am CDT

More Information:

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

Extended Forecast for

2 Miles SSE Mason City IA

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

Click here for hazard details and duration

Extreme Heat Watch

Juneteenth
High: 85 °F
Sunny
Tonight
Low: 67 °F
Mostly Clear
then Chance
T-storms
Friday
High: 91 °F
Showers
Likely and
Breezy then
Chance
T-storms and
Windy
Friday Night
Low: 75 °F
Mostly Clear
and Windy
Saturday
High: 94 °F
Sunny and
Windy
Saturday Night
Low: 75 °F
Mostly Clear
and Breezy
Sunday
High: 94 °F
Sunny and
Windy
Sunday Night
Low: 71 °F
Chance
T-storms and
Breezy
Monday
High: 85 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Juneteenth

Sunny, with a high near 85. West southwest wind around 10 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 67. South wind 8 to 13 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Windy, with a south wind 14 to 21 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.

Friday Night

Mostly clear, with a low around 75. Windy, with a south southwest wind 17 to 21 mph, with gusts as high as 31 mph.

Saturday

Sunny, with a high near 94. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph.

Saturday Night

Mostly clear, with a low around 75. Breezy.

Sunday

Sunny, with a high near 94. Windy.

Sunday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.