Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

23°F

-5°C

Humidity 92%
Wind Speed W 5 mph
Barometer 30.29 in (1027.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 4 Feb 8:53 pm CST
Extended Forecast for

Thornton IA

  • Tonight

    Tonight: Cloudy, with a temperature falling to near 17 by midnight, then rising to around 23 during the remainder of the night. Wind chill values as low as 10. Light west wind becoming southwest 6 to 11 mph after midnight.

    Low: 17 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Southwest wind 10 to 14 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Windy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 28 mph.

    Low: 27 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Windy

  • Friday

    Friday: Partly sunny, with a temperature falling to around 28 by 5pm. Windy, with a north northwest wind 17 to 25 mph, with gusts as high as 31 mph.

    High: 35 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 11. North northwest wind 5 to 14 mph becoming east after midnight. Winds could gust as high as 18 mph.

    Low: 11 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a temperature falling to near 17 by midnight, then rising to around 23 during the remainder of the night. Wind chill values as low as 10. Light west wind becoming southwest 6 to 11 mph after midnight.
Thursday
Mostly cloudy, with a high near 36. Southwest wind 10 to 14 mph becoming northwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 27. Windy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 28 mph.
Friday
Partly sunny, with a temperature falling to around 28 by 5pm. Windy, with a north northwest wind 17 to 25 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 11. North northwest wind 5 to 14 mph becoming east after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
7:27 pm CST Feb 4, 2026
9pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database