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.

Overcast

32°F

0°C

Humidity 79%
Wind Speed SE 15 mph
Barometer 30.06 in (1018.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 14 Mar 11:53 am CDT
Extended Forecast for

Rockwell IA

Blizzard Warning March 15, 07:00am until March 16, 07:00am
High Wind Warning March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning

  • Today

    Today: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 42 °F

    Slight Chance
    Snow and
    Breezy

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4am. Low around 32. Windy, with an east southeast wind 17 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Slight Chance
    Rain and
    Breezy then
    Rain and
    Windy

  • Sunday

    Sunday: Rain before 10am, then rain, snow, and sleet likely between 10am and 11am, then snow after 11am. Widespread blowing snow, mainly after 3pm. Temperature falling to around 27 by 5pm. Wind chill values as low as 10. Very windy, with a north wind 20 to 30 mph increasing to 31 to 41 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    High: 36 °F⇓

    Wintry Mix
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Widespread blowing snow. Low around 4. Wind chill values as low as -20. Very windy, with a northwest wind 36 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Widespread blowing snow, mainly before noon. Partly sunny, with a high near 11. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 36 mph.

    High: 11 °F

    Blowing Snow
    and Windy

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Partly cloudy, with a low around 0. Windy.

    Low: 0 °F

    Patchy
    Blowing Snow
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 70%.

    Low: 18 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 10 to 17 mph, with gusts as high as 24 mph.
Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4am. Low around 32. Windy, with an east southeast wind 17 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain before 10am, then rain, snow, and sleet likely between 10am and 11am, then snow after 11am. Widespread blowing snow, mainly after 3pm. Temperature falling to around 27 by 5pm. Wind chill values as low as 10. Very windy, with a north wind 20 to 30 mph increasing to 31 to 41 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow. Low around 4. Wind chill values as low as -20. Very windy, with a northwest wind 36 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Widespread blowing snow, mainly before noon. Partly sunny, with a high near 11. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 36 mph.
Monday Night
Patchy blowing snow before 7pm. Partly cloudy, with a low around 0. Windy.
Tuesday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IA
 42.95°N 93.19°W
Last Update:
11:44 am CDT Mar 14, 2026
Forecast Valid:
11am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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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