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.

A Few Clouds and Breezy

37°F

3°C

Humidity 54%
Wind Speed NW 22 mph
Barometer 29.93 in (1014.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 13 Mar 1:53 pm CDT
Extended Forecast for

Rockwell IA

Winter Storm Watch March 15, 01:00am until March 16, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. Windy, with a northwest wind around 21 mph, with gusts as high as 32 mph.

    High: 39 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: A 30 percent chance of snow, mainly between 3am and 5am. Increasing clouds, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable in the evening. Little or no snow accumulation expected.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 39. Breezy, with an east southeast wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 22 mph. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    then Mostly
    Cloudy and
    Breezy

  • Saturday Night

    Saturday Night: A chance of snow before 10pm, then rain. Low around 32. Breezy, with an east wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 32 °F

    Breezy.
    Chance
    Rain/Snow
    then Rain

  • Sunday

    Sunday: Rain, snow and freezing rain, possibly mixed with sleet before 1pm, then snow, possibly mixed with sleet between 1pm and 4pm, then snow after 4pm. The snow could be heavy at times. Widespread blowing snow after 1pm. High near 38. Very windy, with an east northeast wind 20 to 25 mph becoming north 32 to 37 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 2 to 4 inches possible.

    High: 38 °F

    Wintry Mix
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Widespread blowing snow. Cloudy, with a low around 5. Very windy. Chance of precipitation is 70%.

    Low: 5 °F

    Snow Likely
    and Blowing
    Snow

  • Monday

    Monday: Areas of blowing snow before 8am. Partly sunny, with a high near 12. Windy.

    High: 12 °F

    Windy. Areas
    Blowing Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. Windy.

    Low: -2 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. Windy, with a northwest wind around 21 mph, with gusts as high as 32 mph.
Tonight
A 30 percent chance of snow, mainly between 3am and 5am. Increasing clouds, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable in the evening. Little or no snow accumulation expected.
Saturday
A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 39. Breezy, with an east southeast wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 22 mph. Little or no snow accumulation expected.
Saturday Night
A chance of snow before 10pm, then rain. Low around 32. Breezy, with an east wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain, snow and freezing rain, possibly mixed with sleet before 1pm, then snow, possibly mixed with sleet between 1pm and 4pm, then snow after 4pm. The snow could be heavy at times. Widespread blowing snow after 1pm. High near 38. Very windy, with an east northeast wind 20 to 25 mph becoming north 32 to 37 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 2 to 4 inches possible.
Sunday Night
Snow likely, mainly before 1am. Widespread blowing snow. Cloudy, with a low around 5. Very windy. Chance of precipitation is 70%.
Monday
Areas of blowing snow before 8am. Partly sunny, with a high near 12. Windy.
Monday Night
Partly cloudy, with a low around -2. Windy.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Snow likely before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IA
 43°N 93.19°W
Last Update:
1:31 pm CDT Mar 13, 2026
Forecast Valid:
2pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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