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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

31°F

-1°C

Humidity 61%
Wind Speed NW 17 G 28 mph
Barometer 29.96 in (1015.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 18 Apr 7:53 am CDT
Extended Forecast for

Thornton IA

  • Today

    Today: Sunny, with a high near 48. Windy, with a west northwest wind 22 to 25 mph, with gusts as high as 33 mph.

    High: 48 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Windy, with a west wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 32 °F

    Mostly Clear
    and Windy
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 50. Breezy, with a north northwest wind 9 to 16 mph, with gusts as high as 21 mph.

    High: 50 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

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

    Low: 27 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. 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: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Breezy.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 48. Windy, with a west northwest wind 22 to 25 mph, with gusts as high as 33 mph.
Tonight
Increasing clouds, with a low around 32. Windy, with a west wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 50. Breezy, with a north northwest wind 9 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 27. North northwest wind 5 to 10 mph becoming light and variable.
Monday
Sunny, with a high near 62. 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 47. Breezy.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 79. Breezy.
Wednesday Night
Partly cloudy, with a low around 58. Breezy.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 75. Windy.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Windy. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 60. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
Last Update:
6:06 am CDT Apr 18, 2026
Forecast Valid:
8am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation