Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

33°F

1°C

Humidity 78%
Wind Speed N 14 mph
Barometer 30.30 in (1026.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 27 Mar 12:53 am 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
  • Overnight

    Overnight: Partly cloudy, with a low around 27. North wind 7 to 11 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 21. Blustery, with a northwest wind 11 to 16 mph becoming light and variable. Winds could gust as high as 26 mph.

    Low: 21 °F

    Clear and
    Blustery then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Windy, with a south southwest wind 11 to 21 mph increasing to 22 to 32 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 55 °F

    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

Overnight
Partly cloudy, with a low around 27. North wind 7 to 11 mph.
Friday
Sunny, with a high near 42. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 31 mph.
Friday Night
Clear, with a low around 21. Blustery, with a northwest wind 11 to 16 mph becoming light and variable. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 55. Windy, with a south southwest wind 11 to 21 mph increasing to 22 to 32 mph in the afternoon. Winds could gust as high as 39 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.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
12:43 am CDT Mar 27, 2026
1am CDT Mar 27, 2026-6pm CDT Apr 2, 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