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 69%
Wind Speed SW 20 G 30 mph
Barometer 30.16 in (1022.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Jan 8:53 pm CST
Extended Forecast for

Rock Falls IA

  • Tonight

    Tonight: Increasing clouds, with a low around 24. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 22 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 40. West southwest wind 6 to 8 mph.

    High: 40 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Breezy, with a west northwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 33 mph.

    Low: 22 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 25. Windy.

    High: 25 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 29.

    High: 29 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 24. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 22 mph.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 40. West southwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 32. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 43. Breezy, with a west northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 33 mph.
Wednesday
Partly sunny, with a high near 25. Windy.
Wednesday Night
Mostly clear, with a low around 11.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 29.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30. Blustery. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 8. Blustery.
Saturday
Partly sunny, with a high near 16. Blustery.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IA
 43.21°N 93.1°W
Last Update:
5:06 pm CST Jan 11, 2026
Forecast Valid:
9pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation