Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

4°F

-16°C

Humidity 69%
Wind Speed NW 10 mph
Barometer 30.22 in (1026.0 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 28 Jan 8:53 am CST
Extended Forecast for

Thornton IA

  • Today

    Today: Sunny, with a high near 12. Wind chill values as low as -10. Northwest wind 8 to 13 mph.

    High: 12 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -4. Wind chill values as low as -10. North wind 3 to 7 mph.

    Low: -4 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 9. Wind chill values as low as -10. Calm wind becoming north northwest around 6 mph in the morning.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -7. Wind chill values as low as -20. North wind 5 to 7 mph.

    Low: -7 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 7. North wind 7 to 13 mph.

    High: 7 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -6.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after midnight.  Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

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

    High: 24 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 12. Wind chill values as low as -10. Northwest wind 8 to 13 mph.
Tonight
Partly cloudy, with a low around -4. Wind chill values as low as -10. North wind 3 to 7 mph.
Thursday
Mostly sunny and cold, with a high near 9. Wind chill values as low as -10. Calm wind becoming north northwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around -7. Wind chill values as low as -20. North wind 5 to 7 mph.
Friday
Sunny and cold, with a high near 7. North wind 7 to 13 mph.
Friday Night
Mostly clear, with a low around -6.
Saturday
Sunny, with a high near 14.
Saturday Night
A 30 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 13.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
5:32 am CST Jan 28, 2026
9am CST Jan 28, 2026-6pm CST Feb 3, 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