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 and Windy

39°F

4°C

Humidity 67%
Wind Speed W 30 G 38 mph
Barometer 29.92 in (1013.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 4 Apr 4:53 pm CDT
Extended Forecast for

Thornton IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a steady temperature around 39. Windy, with a west northwest wind around 25 mph, with gusts as high as 34 mph.

    High: 39 °F

    Slight Chance
    Showers and
    Windy

  • Tonight

    Tonight: A slight chance of showers before 7pm, then a chance of sprinkles between 7pm and 8pm. Mostly cloudy, with a low around 29. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.

    Low: 29 °F

    Slight Chance
    Showers and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 54. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Northwest wind around 15 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 22 mph.

    High: 41 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 1pm. Partly sunny, with a high near 41. Breezy.

    High: 41 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 32. Windy. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely and
    Windy

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly sunny, with a high near 65. Windy.

    High: 65 °F

    Chance
    Showers and
    Windy

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a steady temperature around 39. Windy, with a west northwest wind around 25 mph, with gusts as high as 34 mph.
Tonight
A slight chance of showers before 7pm, then a chance of sprinkles between 7pm and 8pm. Mostly cloudy, with a low around 29. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 54. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 29. Northwest wind around 15 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 41. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
A 20 percent chance of snow showers after 1pm. Partly sunny, with a high near 41. Breezy.
Tuesday Night
Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 32. Windy. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly sunny, with a high near 65. Windy.
Wednesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 37. Windy.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 52.
Thursday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Saturday
Showers likely. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.4°W
Last Update:
5:32 pm CDT Apr 4, 2026
Forecast Valid:
5pm CDT Apr 4, 2026-6pm CDT Apr 11, 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