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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair and Windy

52°F

11°C

Humidity 69%
Wind Speed E 28 G 37 mph
Barometer 29.42 in (996.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Feb 2:53 pm CST
Extended Forecast for

Thornton IA

Fire Weather Watch February 18, 08:00am until February 18, 08:00pm
Wind Advisory February 18, 10:00am until February 18, 05:00pm
Click here for hazard details and duration
Fire Weather Watch
Wind Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 59. Windy, with a south southeast wind 24 to 26 mph, with gusts as high as 37 mph.

    High: 59 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: A 30 percent chance of rain and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 41. Windy, with a south southeast wind 15 to 22 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Windy. Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Windy, with a west wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 57 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. West wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain before noon, then a chance of rain and snow. Mostly sunny, with a high near 44. Breezy, with a north northeast wind 10 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 70%.

    Low: 23 °F

    Snow Likely
    and Blustery

  • Friday

    Friday: A 30 percent chance of snow before noon. Partly sunny, with a high near 31. Blustery.

    High: 31 °F

    Blustery.
    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 59. Windy, with a south southeast wind 24 to 26 mph, with gusts as high as 37 mph.
Tonight
A 30 percent chance of rain and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 41. Windy, with a south southeast wind 15 to 22 mph becoming west after midnight. Winds could gust as high as 31 mph.
Wednesday
Sunny, with a high near 57. Windy, with a west wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Mostly clear, with a low around 29. West wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Thursday
A slight chance of rain before noon, then a chance of rain and snow. Mostly sunny, with a high near 44. Breezy, with a north northeast wind 10 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Snow likely. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 70%.
Friday
A 30 percent chance of snow before noon. Partly sunny, with a high near 31. Blustery.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 24. Blustery.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
Last Update:
2:36 pm CST Feb 17, 2026
Forecast Valid:
3pm CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation