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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

43°F

6°C

Humidity 53%
Wind Speed N 16 G 29 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Apr 10:53 am CDT
Extended Forecast for

Clear Lake IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Clear, with a low around 27. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 27 °F

    Clear

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 60. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Frost then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Breezy, with a south wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. South southwest wind around 7 mph becoming north in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Breezy.

    Low: 58 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Windy.

    High: 73 °F

    Windy. Partly
    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 27. North northwest wind 5 to 10 mph becoming light and variable.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 60. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 44. Breezy, with a south wind 10 to 18 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 76. South southwest wind around 7 mph becoming north in the afternoon.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 80. Breezy.
Wednesday Night
Partly cloudy, with a low around 58. Breezy.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Windy.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 44. Windy. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 58. Breezy.
Friday Night
Partly cloudy, with a low around 37. Breezy.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake IA
 43.13°N 93.37°W
Last Update:
11:36 am CDT Apr 19, 2026
Forecast Valid:
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation