Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.93 in (1012.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Jun 9:53 pm CDT
Extended Forecast for

Mason City IA

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind 5 to 8 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Mostly cloudy, with a high near 87. Southeast wind 6 to 9 mph becoming southwest in the afternoon.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 64. North northwest wind around 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A slight chance of thunderstorms before 7am.  Sunny, with a high near 82. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. West northwest wind 6 to 9 mph.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. South wind 5 to 8 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 87. Southeast wind 6 to 9 mph becoming southwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. North northwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of thunderstorms before 7am. Sunny, with a high near 82. Northwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Monday Night
Clear, with a low around 60. West northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 66.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
10:34 pm CDT Jun 28, 2025
10pm CDT Jun 28, 2025-6pm CDT Jul 5, 2025
 
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Additional Resources

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Hourly Weather Forecast

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