Midwest Heavy Rain and Severe Storms; Poor Air Quality and Elevated Fire Threats In the Northwest; Hurricane Lane Rolls Through Central Pacific

An area of low pressure is expected to lift up through the Midwest and intensify, while producing possible excessive rainfall and severe storms across the Mississippi Valley into the Ohio/Tennessee Valleys. Smoke from wildfires will continue to create poor air quality across parts of Western region. Hurricane Lane continues to move west through the Central Pacific, well east-southeast of Hawaii. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Light Rain

69°F

21°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.90 in (1011.0 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 20 Aug 1:53 am CDT
Extended Forecast for

Clear Lake IA

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Cloudy, with a low around 65. East northeast wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 65 °F

  • Monday

    Monday: Showers and thunderstorms.  Patchy fog between 8am and noon. High near 72. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    T-storms and
    Patchy Fog

    High: 72 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms before 1am.  Cloudy, with a low around 60. Breezy, with a north wind 13 to 16 mph, with gusts as high as 25 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers and
    Breezy

    Low: 60 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Breezy, with a north northwest wind around 16 mph, with gusts as high as 24 mph.

    Partly Sunny
    and Breezy

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 52. Northwest wind 5 to 11 mph.

    Mostly Clear

    Low: 52 °F

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 54.

    Mostly Clear

    Low: 54 °F

  • Thursday

    Thursday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 62.

    Partly Cloudy
    then Chance
    T-storms

    Low: 62 °F

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a low around 65. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms. Patchy fog between 8am and noon. High near 72. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
A 50 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 60. Breezy, with a north wind 13 to 16 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Partly sunny, with a high near 75. Breezy, with a north northwest wind around 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 52. Northwest wind 5 to 11 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 80.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Clear Lake IA
 43.13°N 93.37°W
11:47 pm CDT Aug 19, 2018
2am CDT Aug 20, 2018-6pm CDT Aug 26, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database