Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

73°F

23°C

Humidity	69%
Wind Speed	S 9 mph
Barometer	30.02 in (1015.8 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	13 Jul 9:53 am CDT

More Information:

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

Extended Forecast for

Clear Lake IA

Today
High: 82 °F
Sunny
Tonight
Low: 64 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 66 °F
Chance
Showers then
Chance
T-storms
Wednesday
High: 81 °F
Chance
T-storms
Wednesday Night
Low: 58 °F
Chance
T-storms
Thursday
High: 74 °F
Partly Sunny

Detailed Forecast

Today

Sunny, with a high near 82. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

Tonight

Mostly clear, with a low around 64. South southwest wind 6 to 9 mph.

Monday

Sunny, with a high near 87. West southwest wind around 6 mph.

Monday Night

Mostly clear, with a low around 67. South wind 7 to 9 mph.

Tuesday

Sunny, with a high near 86. South wind 9 to 13 mph, with gusts as high as 20 mph.

Tuesday Night

A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

Thursday

Partly sunny, with a high near 74.

Thursday Night

Partly cloudy, with a low around 56.

Friday

Mostly sunny, with a high near 77.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.