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

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Partly Cloudy

73°F

23°C

Humidity 74%
Wind Speed S 7 mph
Barometer 29.86 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 1:35 am CDT
Extended Forecast for

Waukesha WI

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

    Overnight: Partly cloudy, with a low around 73. South wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 94. Heat index values as high as 105. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 94 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy
    then Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 102. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 76. Southwest wind 10 to 15 mph.

    Low: 76 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Sunny and hot, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 82. North wind 5 to 10 mph becoming northeast in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 94. Heat index values as high as 105. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday
Sunny and hot, with a high near 95. Heat index values as high as 102. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 76. Southwest wind 10 to 15 mph.
Monday
A 20 percent chance of showers after 1pm. Sunny and hot, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. North wind 5 to 10 mph becoming northeast in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Waukesha WI
 42.99°N 88.25°W (Elev. 823 ft)
1:24 am CDT Jun 21, 2025
2am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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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