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

84°F

29°C

Humidity 77%
Wind Speed S 6 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 29 Jun 7:53 pm CDT
Extended Forecast for

Green Bay, Austin Straubel International Airport WI

Extreme Heat Warning June 29, 08:11pm until June 30, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 08:11pm until June 30, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 109. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 76. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 101. South southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 93 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 74. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 74 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 77. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 109. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 76. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 101. South southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 74. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 91.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Independence Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 50%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Bay, Austin Straubel International Airport WI
 44.45°N 88.11°W (Elev. 640 ft)
Last Update:
7:56 pm CDT Jun 29, 2026
Forecast Valid:
8pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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