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

54°F

12°C

Humidity 97%
Wind Speed W 5 mph
Barometer 30.00 in (1015.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 20 Jun 1:53 am CDT
Extended Forecast for

Rock Falls IA

  • Overnight

    Overnight: Mostly clear, with a low around 51. West wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Northwest wind 5 to 9 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 54. Calm wind becoming east around 6 mph after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 71. East wind 7 to 13 mph, with gusts as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 52. North northeast wind 5 to 9 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 51. West wind around 5 mph.
Saturday
Sunny, with a high near 77. Northwest wind 5 to 9 mph.
Saturday Night
Increasing clouds, with a low around 54. Calm wind becoming east around 6 mph after midnight.
Sunday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 71. East wind 7 to 13 mph, with gusts as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 52. North northeast wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77.
Tuesday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IA
 43.21°N 93.1°W
Last Update:
2:01 am CDT Jun 20, 2026
Forecast Valid:
2am CDT Jun 20, 2026-6pm CDT Jun 26, 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