Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

71°F

22°C

Humidity 93%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 29 Jun 3:35 am CDT
Extended Forecast for

3 Miles NNE Fort Atkinson WI

Extreme Heat Warning June 29, 12:00pm until June 30, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 93. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind 10 to 15 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94. Heat index values as high as 106. Southwest wind 10 to 15 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southwest wind 10 to 15 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Southwest wind around 10 mph.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southwest wind around 10 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 93. Southwest wind 10 to 15 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 93. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 76. South wind 10 to 15 mph.
Tuesday
Mostly sunny and hot, with a high near 94. Heat index values as high as 106. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 75. Southwest wind 10 to 15 mph.
Wednesday
Sunny and hot, with a high near 93. Southwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 74. Southwest wind around 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 93. Southwest wind 10 to 15 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fort Atkinson WI
 42.97°N 88.81°W (Elev. 784 ft)
3:32 am CDT Jun 29, 2026
3am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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