Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

10°F

-12°C

Humidity 95%
Wind Speed SW 8 mph
Barometer 29.91 in (1014.7 mb)
Dewpoint 9°F (-13°C)
Visibility 8.00 mi
Wind Chill-2°F (-19°C)
Last update 21 Jan 5:53 am CST
Extended Forecast for

Thornton IA

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Winter Weather Advisory January 21, 11:00am until January 21, 11:00pm
Click here for hazard details and duration
Extreme Cold Watch
Winter Weather Advisory
  • Today

    Today: Snow likely, mainly between noon and 4pm.  Areas of blowing snow after noon. Increasing clouds, with a high near 28. Wind chill values as low as -5. Windy, with a west southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 28 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Areas of blowing snow before midnight. Partly cloudy, with a low around 2. Wind chill values as low as -10. Windy, with a west northwest wind 19 to 29 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 38 mph.

    Low: 2 °F

    Areas Blowing
    Snow and
    Windy then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 13. Wind chill values as low as -10. West wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 13 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -18. Wind chill values as low as -35. North northwest wind 11 to 13 mph.

    Low: -18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -9. North northwest wind 7 to 13 mph.

    High: -9 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -17.

    Low: -17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 0.

    High: 0 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -11.

    Low: -11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 3.

    High: 3 °F

    Cold

Detailed Forecast

Today
Snow likely, mainly between noon and 4pm. Areas of blowing snow after noon. Increasing clouds, with a high near 28. Wind chill values as low as -5. Windy, with a west southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Areas of blowing snow before midnight. Partly cloudy, with a low around 2. Wind chill values as low as -10. Windy, with a west northwest wind 19 to 29 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 38 mph.
Thursday
Mostly sunny, with a high near 13. Wind chill values as low as -10. West wind 9 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around -18. Wind chill values as low as -35. North northwest wind 11 to 13 mph.
Friday
Mostly sunny and cold, with a high near -9. North northwest wind 7 to 13 mph.
Friday Night
Mostly cloudy, with a low around -17.
Saturday
Partly sunny and cold, with a high near 0.
Saturday Night
Mostly cloudy, with a low around -11.
Sunday
Mostly sunny and cold, with a high near 3.
Sunday Night
Partly cloudy, with a low around -9.
Monday
Sunny, with a high near 15.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
10:16 pm CST Jan 20, 2026
6am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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