Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

4°F

-16°C

Humidity 80%
Wind Speed NW 9 mph
Barometer 30.27 in (1027.4 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 28 Jan 10:53 pm CST
Extended Forecast for

Thornton IA

  • Tonight

    Tonight: Mostly cloudy, with a low around -3. Wind chill values as low as -10. North northwest wind around 6 mph.

    Low: -3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 10. Wind chill values as low as -10. North northwest wind 5 to 7 mph.

    High: 10 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -5. Wind chill values as low as -20. North wind 6 to 8 mph.

    Low: -5 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near 8. Wind chill values as low as -20. North wind 7 to 14 mph.

    High: 8 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -5. North northwest wind 6 to 10 mph.

    Low: -5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight.  Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow.  Partly sunny, with a high near 24.

    High: 24 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around -3. Wind chill values as low as -10. North northwest wind around 6 mph.
Thursday
Mostly sunny and cold, with a high near 10. Wind chill values as low as -10. North northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around -5. Wind chill values as low as -20. North wind 6 to 8 mph.
Friday
Mostly sunny and cold, with a high near 8. Wind chill values as low as -20. North wind 7 to 14 mph.
Friday Night
Mostly clear, with a low around -5. North northwest wind 6 to 10 mph.
Saturday
Sunny, with a high near 14.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 5.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
10:36 pm CST Jan 28, 2026
11pm CST Jan 28, 2026-6pm CST Feb 4, 2026
 
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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