Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. 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

66°F

19°C

Humidity	93%
Wind Speed	S 5 mph
Barometer	30.01 in (1015.1 mb)
Dewpoint	64°F (18°C)
Visibility	8.00 mi
Last update	13 Jul 10:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles WSW Clear Lake IA

Tonight
Low: 63 °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
Slight Chance
Showers then
Chance
T-storms
Wednesday
High: 82 °F
Chance
T-storms
Wednesday Night
Low: 61 °F
Showers
Likely
Thursday
High: 74 °F
Chance
Showers
Thursday Night
Low: 57 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 63. South southwest wind around 7 mph.

Monday

Sunny, with a high near 87. South wind 6 to 8 mph.

Monday Night

Mostly clear, with a low around 67. South wind 7 to 10 mph.

Tuesday

Sunny, with a high near 86. South wind around 11 mph, with gusts as high as 18 mph.

Tuesday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South southeast wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Thursday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

Thursday Night

Partly cloudy, with a low around 57.

Friday

Mostly sunny, with a high near 77.

Friday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

Saturday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

Sunday

Mostly sunny, with a high near 81.