Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Green Bay, Austin Straubel International Airport (KGRB)

Lat: 44.48°NLon: 88.14°WElev: 692ft.

Overcast

73°F

23°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 11:53 am CDT
Extended Forecast for

Luxemburg WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm.  Partly sunny, with a high near 78. South southwest wind 9 to 11 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 4am, then a slight chance of thunderstorms after 5am.  Mostly cloudy, with a low around 66. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers between 7am and 8am.  Mostly sunny and hot, with a high near 91. Heat index values as high as 101. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southwest wind 13 to 17 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Partly sunny, with a high near 78. South southwest wind 9 to 11 mph.
Tonight
A chance of showers and thunderstorms, mainly before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 66. South southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday
A slight chance of showers between 7am and 8am. Mostly sunny and hot, with a high near 91. Heat index values as high as 101. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 77. Southwest wind 13 to 17 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 92. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 92.
Monday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Luxemburg WI
 44.52°N 87.72°W (Elev. 833 ft)
11:36 am CDT Jun 20, 2025
12pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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