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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

73°F

23°C

Humidity 87%
Wind Speed E 10 mph
Barometer 29.86 in (1009.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 21 Jul 5:53 pm CDT
Extended Forecast for

Clear Lake IA

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 69. South southeast wind 5 to 10 mph becoming northwest after midnight.  New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms then
    Slight Chance
    T-storms

    Low: 69 °F

  • Saturday

    Saturday: Partly sunny, with a high near 86. North northwest wind 6 to 9 mph.

    Partly Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 64. Northwest wind 3 to 8 mph.

    Partly Cloudy

    Low: 64 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 57. North wind 5 to 10 mph.

    Mostly Clear

    Low: 57 °F

  • Monday

    Monday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 83.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Chance
    T-storms

    Low: 65 °F

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 69. South southeast wind 5 to 10 mph becoming northwest after midnight. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 86. North northwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 64. Northwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 82. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 57. North wind 5 to 10 mph.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 60.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Clear Lake IA
 43.13°N 93.37°W
3:33 pm CDT Jul 21, 2017
6pm CDT Jul 21, 2017-6pm CDT Jul 28, 2017
 
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