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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair and Breezy

63°F

17°C

Humidity 41%
Wind Speed S 22 G 29 mph
Barometer 30.18 in (1021.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 3 Oct 10:53 am CDT
Extended Forecast for

Mason City IA

  • Today

    Today: Sunny, with a high near 67. Breezy, with a south wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 49. South southwest wind around 7 mph becoming northwest after midnight.

    Low: 49 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. North northwest wind 8 to 10 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. Light northwest wind.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Breezy, with a south wind 13 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 49. South southwest wind around 7 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 65. North northwest wind 8 to 10 mph.
Sunday Night
Clear, with a low around 41. Light northwest wind.
Monday
Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
6:16 am CDT Oct 3, 2026
Forecast Valid:
11am CDT Oct 3, 2026-6pm CDT Oct 9, 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