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.

Fair

41°F

5°C

Humidity 76%
Wind Speed W 18 mph
Barometer 29.67 in (1004.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 10:53 am CST
Extended Forecast for

3 Miles NNE Rock Falls IA

  • Today

    Today: Increasing clouds, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F⇓

    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Wind chill values as low as 5. Windy, with a north northwest wind 17 to 24 mph, with gusts as high as 33 mph.

    Low: 17 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a steady temperature around 19. Wind chill values as low as zero. Windy, with a north northwest wind 14 to 22 mph, with gusts as high as 30 mph.

    High: 19 °F

    Decreasing
    Clouds and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 8. North northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 8 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 33. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely
    and Blustery

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 31. Windy.

    High: 31 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. Windy.

    Low: 4 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly cloudy, with a high near 12. Blustery.

    High: 12 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Today
Increasing clouds, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 17. Wind chill values as low as 5. Windy, with a north northwest wind 17 to 24 mph, with gusts as high as 33 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 19. Wind chill values as low as zero. Windy, with a north northwest wind 14 to 22 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 8. North northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 33. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Windy.
Friday Night
Mostly cloudy, with a low around 4. Windy.
Saturday
Mostly cloudy, with a high near 12. Blustery.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Partly sunny, with a high near 12.
Sunday Night
Partly cloudy, with a low around 2.
M.L.King Day
Mostly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Rock Falls IA
 43.23°N 93.07°W
Last Update:
11:16 am CST Jan 13, 2026
Forecast Valid:
11am CST Jan 13, 2026-6pm CST Jan 19, 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