National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Through This Weekend

Severe thunderstorms which can bring large hail, damaging winds, and isolated tornadoes will be possible over parts of the central U.S. through this weekend. Thunderstorms with heavy to excessive rainfall moving from Texas into the mid-Mississippi Valley through this weekend may produce areas of flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

A Few Clouds

80°F

27°C

Humidity 60%
Wind Speed SW 7 mph
Barometer 29.79 in (1007.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 5 Jun 2:53 pm CDT
Extended Forecast for

Mason City IASimilar City Names

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. West southwest wind 5 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 62. East southeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Mostly Clear
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. South southeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. West southwest wind 5 to 7 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Light and variable wind.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 62. East southeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. South southeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 92. Windy.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Breezy.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IASimilar City Names
 43.15°N 93.19°W
Last Update:
1:47 pm CDT Jun 5, 2026
Forecast Valid:
3pm CDT Jun 5, 2026-6pm CDT Jun 11, 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