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.

Mostly Cloudy

78°F

26°C

Humidity 82%
Wind Speed NE 7 mph
Barometer 29.91 in (1011.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Sep 7:53 pm CDT
Extended Forecast for

Rockwell IA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 69. Light and variable wind becoming east northeast around 6 mph in the evening.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 9am. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 88. Southeast wind 5 to 7 mph becoming southwest in the morning. New rainfall amounts in excess of 4 inches possible.

    High: 88 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 69. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming south 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70. South wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 69. Light and variable wind becoming east northeast around 6 mph in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 88. Southeast wind 5 to 7 mph becoming southwest in the morning. New rainfall amounts in excess of 4 inches possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 69. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming south 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70. South wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 64.
Labor Day
A 30 percent chance of showers. Partly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IA
 42.97°N 93.19°W
Last Update:
8:11 pm CDT Sep 1, 2026
Forecast Valid:
8pm CDT Sep 1, 2026-6pm CDT Sep 8, 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