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

Hazardous Weather Conditions

Current conditions at

Green Bay, Austin Straubel International Airport (KGRB)

Lat: 44.48°NLon: 88.14°WElev: 692ft.

Fair

63°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 29.97 in (1014.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 28 Jun 6:53 am CDT
Extended Forecast for

Green Bay WI

Extreme Heat Watch June 29, 12:00pm until June 29, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Increasing clouds, with a high near 82. Light east southeast wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 67. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Slight Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 11am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 107. South southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Showers
    Likely then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 73. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 82. Light east southeast wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 67. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 11am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 107. South southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 77. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 73. Chance of precipitation is 70%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Green Bay WI
 44.51°N 88.02°W (Elev. 584 ft)
Last Update:
6:56 am CDT Jun 28, 2026
Forecast Valid:
7am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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