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

31°F

-1°C

Humidity 79%
Wind Speed S 14 mph
Barometer 30.26 in (1025.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 2 Mar 10:53 am CST
Extended Forecast for

Thornton IA

  • Today

    Today: Mostly cloudy, with a high near 38. South southeast wind 7 to 11 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: Freezing rain likely, possibly mixed with drizzle, mainly between 10pm and 11pm. Cloudy, with a low around 32. South southeast wind around 6 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.

    Low: 32 °F


    Drizzle/Freezing
    Rain Likely

  • Tuesday

    Tuesday: A slight chance of drizzle or freezing rain before 9am, then a slight chance of drizzle between 9am and 11am. Mostly cloudy, with a high near 42. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Drizzle/Freezing
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 31. East northeast wind 3 to 6 mph.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 45. East wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain, then a chance of rain and thunderstorms after midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.

    Low: 41 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday

    Friday: Rain. High near 60. Breezy. Chance of precipitation is 80%.

    High: 60 °F

    Rain and
    Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 38. South southeast wind 7 to 11 mph.
Tonight
Freezing rain likely, possibly mixed with drizzle, mainly between 10pm and 11pm. Cloudy, with a low around 32. South southeast wind around 6 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.
Tuesday
A slight chance of drizzle or freezing rain before 9am, then a slight chance of drizzle between 9am and 11am. Mostly cloudy, with a high near 42. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 31. East northeast wind 3 to 6 mph.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 45. East wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 56.
Thursday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Friday
Rain. High near 60. Breezy. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 60. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
Last Update:
9:22 am CST Mar 2, 2026
Forecast Valid:
11am CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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