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

80°F

27°C

Humidity 52%
Wind Speed W 6 mph
Barometer 30.14 in (1019.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Oct 10:53 am CDT
Extended Forecast for

Rock Falls IA

  • Today

    Today: Sunny, with a high near 88. South southwest wind 6 to 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. South wind 6 to 10 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Windy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 87 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind around 15 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 82. Windy, with a south wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 82 °F

    Windy. Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. South southwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 66. South wind 6 to 10 mph.
Saturday
Sunny, with a high near 87. Windy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly clear, with a low around 63. South wind around 15 mph, with gusts as high as 28 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 82. Windy, with a south wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IA
 43.21°N 93.1°W
Last Update:
9:51 am CDT Oct 3, 2025
Forecast Valid:
11am CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation