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

62°F

17°C

Humidity 58%
Wind Speed SE 10 mph
Barometer 29.80 in (1008.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 14 May 11:53 pm CDT
Extended Forecast for

Rockwell IA

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Breezy, with a south wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Decreasing
    Clouds and
    Breezy

  • Friday

    Friday: Sunny, with a high near 88. South wind 8 to 11 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 52. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 54. East wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    T-storms
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Windy.

    Low: 60 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely and
    Windy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 52. Windy. Chance of precipitation is 80%.

    Low: 52 °F

    Showers and
    Windy

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Breezy, with a south wind 9 to 16 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 88. South wind 8 to 11 mph.
Friday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 52. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 54. East wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Windy.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 52. Windy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 72. Windy.
Tuesday Night
Partly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IA
 42.95°N 93.19°W
Last Update:
10:26 pm CDT May 14, 2026
Forecast Valid:
12am CDT May 15, 2026-6pm CDT May 21, 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