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

38°F

3°C

Humidity 79%
Wind Speed NE 14 mph
Barometer 29.77 in (1008.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 10 Mar 9:53 pm CDT
Extended Forecast for

Rock Falls IA

  • Tonight

    Tonight: A chance of snow between 4am and 5am, then rain and snow likely. Mostly cloudy, with a low around 30. North wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain before 11am, then a slight chance of snow between 11am and noon. Cloudy through mid morning, then gradual clearing, with a high near 41. Windy, with a north northwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Windy.
    Rain/Snow
    Likely then
    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. West wind 6 to 11 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 50. Breezy, with a south wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 30. Windy, with a south wind 17 to 22 mph becoming west 24 to 29 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Windy. Rain
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 42. Windy.

    High: 42 °F

    Windy. Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 26. Blustery. Chance of precipitation is 70%.

    Low: 26 °F

    Rain/Snow
    Likely and
    Blustery

Detailed Forecast

Tonight
A chance of snow between 4am and 5am, then rain and snow likely. Mostly cloudy, with a low around 30. North wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely, possibly mixed with rain before 11am, then a slight chance of snow between 11am and noon. Cloudy through mid morning, then gradual clearing, with a high near 41. Windy, with a north northwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 25. West wind 6 to 11 mph.
Thursday
Increasing clouds, with a high near 50. Breezy, with a south wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 30. Windy, with a south wind 17 to 22 mph becoming west 24 to 29 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 42. Windy.
Friday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Saturday
A chance of snow before 1pm, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 30%.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 26. Blustery. Chance of precipitation is 70%.
Sunday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 33. Windy. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 6. Windy.
Monday
Mostly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly cloudy, with a high near 33.
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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:
7:28 pm CDT Mar 10, 2026
Forecast Valid:
10pm CDT Mar 10, 2026-6pm CDT Mar 17, 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