Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Thunderstorm in Vicinity

75°F

24°C

Humidity 60%
Wind Speed NE 20 G 36 mph
Barometer 29.96 in (1013.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 May 9:53 pm CDT
Extended Forecast for

Plymouth IA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm  after midnight.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Light east northeast wind becoming east 5 to 9 mph in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. East wind 9 to 11 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East wind 5 to 8 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 58. Light east northeast wind becoming east 5 to 9 mph in the evening.
Thursday
Sunny, with a high near 83. East wind 9 to 11 mph.
Thursday Night
Mostly clear, with a low around 54. East wind 5 to 8 mph.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IA
 43.25°N 93.13°W
9:57 pm CDT May 26, 2026
10pm CDT May 26, 2026-6pm CDT Jun 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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