National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

39°F

4°C

Humidity 76%
Wind Speed N 18 G 26 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 26 Mar 8:53 pm CDT
Extended Forecast for

Thornton IA

Fire Weather Watch March 28, 10:00am until March 28, 09:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Blustery, with a north northeast wind 11 to 18 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Sunny, with a high near 43. Windy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 43 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 21. Blustery, with a north northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

    Low: 21 °F

    Clear and
    Blustery then
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Windy, with a south southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 55 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Breezy, with a south wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. Blustery, with a north northeast wind 11 to 18 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 43. Windy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Clear, with a low around 21. Blustery, with a north northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 55. Windy, with a south southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 36 mph.
Saturday Night
Partly cloudy, with a low around 36. Breezy, with a south wind 10 to 18 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 72.
Monday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 70. Windy.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 40. Breezy.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 57. Breezy.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33. Breezy.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 48. Breezy.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
Last Update:
8:02 pm CDT Mar 26, 2026
Forecast Valid:
9pm CDT Mar 26, 2026-6pm CDT Apr 2, 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