National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

29°F

-2°C

Humidity 85%
Wind Speed SW 12 mph
Barometer 30.09 in (1020.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Jan 2:53 am CST
Extended Forecast for

Mason City IA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 29. West wind around 8 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 45. West wind 6 to 8 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a steady temperature around 36. West southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. West wind around 14 mph, with gusts as high as 23 mph.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. Windy, with a northwest wind 14 to 24 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Windy.

    High: 24 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after noon. Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 29. West wind around 8 mph.
Monday
Sunny, with a high near 45. West wind 6 to 8 mph.
Monday Night
Increasing clouds, with a steady temperature around 36. West southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 43. West wind around 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 19. Windy, with a northwest wind 14 to 24 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 24. Windy.
Wednesday Night
Mostly clear, with a low around 10.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 30.
Thursday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Windy. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 5. Blustery.
Saturday
Partly sunny, with a high near 11. Blustery.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
3:11 am CST Jan 12, 2026
Forecast Valid:
3am CST Jan 12, 2026-6pm CST Jan 18, 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