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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Partly Cloudy

2°F

-17°C

Humidity 63%
Wind Speed NW 16 mph
Barometer 30.27 in (1028.0 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-17°F (-27°C)
Last update 25 Jan 1:53 pm CST
Extended Forecast for

Thornton IA

Cold Weather Advisory January 26, 12:00am until January 26, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly sunny and cold, with a steady temperature around 2. Wind chill values as low as -15. North northwest wind around 9 mph.

    High: 2 °F

    Cold

  • Tonight

    Tonight: Partly cloudy, with a low around -13. Wind chill values as low as -30. North northwest wind 7 to 11 mph.

    Low: -13 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 15. Wind chill values as low as -30. Breezy, with a west northwest wind 7 to 12 mph becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 15 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Wind chill values as low as -15. Breezy, with a southwest wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 4 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 10. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 24 mph.

    High: 10 °F

    Cold and
    Blustery

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 13.

    High: 13 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

Detailed Forecast

This Afternoon
Mostly sunny and cold, with a steady temperature around 2. Wind chill values as low as -15. North northwest wind around 9 mph.
Tonight
Partly cloudy, with a low around -13. Wind chill values as low as -30. North northwest wind 7 to 11 mph.
Monday
Sunny, with a high near 15. Wind chill values as low as -30. Breezy, with a west northwest wind 7 to 12 mph becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 4. Wind chill values as low as -15. Breezy, with a southwest wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny and cold, with a high near 10. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around -1.
Wednesday
Partly sunny, with a high near 13.
Wednesday Night
Partly cloudy, with a low around -4.
Thursday
Partly sunny and cold, with a high near 9.
Thursday Night
Partly cloudy, with a low around -5.
Friday
Sunny and cold, with a high near 9.
Friday Night
Mostly clear, with a low around -3.
Saturday
Mostly sunny, with a high near 19.
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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 Jan 25, 2026
Forecast Valid:
2pm CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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Additional Resources

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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