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

Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

Hazardous Weather Conditions

Current conditions at

Green Bay, Austin Straubel International Airport (KGRB)

Lat: 44.48°NLon: 88.14°WElev: 692ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 29.47 in (997.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 May 10:53 pm CDT
Extended Forecast for

Seymour WI

  • Tonight

    Tonight: Mostly clear, with a low around 55. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 79. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Sunny then
    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 51. South wind 9 to 14 mph becoming west in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. West wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. North northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
Showers likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 79. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 51. South wind 9 to 14 mph becoming west in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. West wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 45. North northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 58.
Monday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 44.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seymour WI
 44.52°N 88.32°W (Elev. 797 ft)
Last Update:
10:05 pm CDT May 15, 2025
Forecast Valid:
11pm CDT May 15, 2025-6pm CDT May 22, 2025
 
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