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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast and Breezy

44°F

7°C

Humidity 31%
Wind Speed S 24 G 33 mph
Barometer 30.36 in (1029.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Mar 12:53 pm CDT
Extended Forecast for

Thornton IA

Red Flag Warning March 28, 01:07pm until March 28, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 28, 01:07pm until March 28, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 55 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Windy, with a south southwest wind 13 to 21 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 67. South southwest wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. Breezy, with a southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 78 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers. Partly cloudy, with a low around 47. Breezy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 58. Windy.

    High: 58 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Windy.

    Low: 27 °F

    Partly Cloudy
    and Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Windy, with a south southwest wind 26 to 28 mph, with gusts as high as 37 mph.
Tonight
Partly cloudy, with a low around 35. Windy, with a south southwest wind 13 to 21 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 67. South southwest wind 10 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 42. South wind around 7 mph.
Monday
Mostly sunny, with a high near 78. Breezy, with a southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 47. Breezy. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 58. Windy.
Tuesday Night
Partly cloudy, with a low around 27. Windy.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 50. Windy.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 35. Windy.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 56. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
Last Update:
12:18 pm CDT Mar 28, 2026
Forecast Valid:
1pm CDT Mar 28, 2026-6pm CDT Apr 3, 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