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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

52°F

11°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 30.33 in (1026.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 24 Sep 2:53 am CDT
Extended Forecast for

Plymouth IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Southeast wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 64. South southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 3am. Cloudy, with a low around 55. Light southeast wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 10am, then a slight chance of showers after 1pm. Cloudy, with a high near 66. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 55. East southeast wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers. High near 63. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Southeast wind around 6 mph.
Thursday
A 30 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 64. South southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before 3am. Cloudy, with a low around 55. Light southeast wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers before 10am, then a slight chance of showers after 1pm. Cloudy, with a high near 66. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 55. East southeast wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 63. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Cloudy, with a low around 54. Chance of precipitation is 50%.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 69.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
Showers likely. Cloudy, with a high near 65. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IA
 43.23°N 93.13°W
Last Update:
1:43 am CDT Sep 24, 2026
Forecast Valid:
3am CDT Sep 24, 2026-6pm CDT Sep 30, 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