By mid-day Thursday all but far southwest Wisconsin was under a "hazardous" advisory, the worst level.
Lake Geneva, WI
Right Now
- Humidity: 66%
- Feels Like: 88°
- Heat Index: 88°
- Wind: 7 mph
- Wind Chill: 83°
- UV Index: 8 Very High
- Sunrise: 05:31:08 AM
- Sunset: 08:28:18 PM
- Dew Point: 70°
- Visibility: 1.9 mi
Today
Mixed clouds and sun this morning. Scattered thunderstorms developing this afternoon. Areas of smoke reducing visibility at times. High 89F. Winds SW at 5 to 10 mph. Chance of rain 40%.
Tonight
Partly cloudy skies. Low 73F. Winds WSW at 5 to 10 mph.
Tomorrow
Intervals of clouds and sunshine. High 86F. Winds NW at 10 to 15 mph.
Weather Alert
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Unhealthy (Red) to Hazardous (Maroon) level. WHERE...Statewide. WHEN...Until noon Friday. Precautionary/Preparedness Actions: Sensitive groups: Stay indoors and keep activity levels light. Follow tips for keeping particle levels low indoors. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone: Avoid all physical activity outdoors. Additional Details: As of 7 a.m. Thursday morning, widespread Very Unhealthy (Purple) to Hazardous (Maroon) AQI PM2.5 is being observed nearly statewide. Surface analysis at 4 a.m. placed the boundary from approximately Prairie du Chien to Platteville, with cleaner air to the south and west of this boundary in portions of Grant, Lafayette, and Crawford Counties. Although this boundary may meander to the northeast from roughly 9 a.m. to 6 p.m. today and bring cleaner air further into far southwest Wisconsin, the boundary is then likely to sag back southwest overnight into Friday morning. We then expect to see clearing of the smoke from west to east throughout the day on Friday as southerly winds pick up ahead of an approaching system. Given this setup, we are going to extend the statewide air quality advisory until noon Friday. At that time, it will be possible that we will extend the advisory once again for eastern areas, especially those impacted by Lake Michigan. It is also possible that areas along Lake Superior will see prolonged smoke impacts and need to remain in the advisory. However, we expect to remove much of the state from the advisory area at that time for this first round of smoke. For more information on current air quality, please see: https://airquality.wi.gov
Chance of Rain: 42%
Sunrise: 05:31:08 AM
Sunset: 08:28:18 PM
Humidity: 61%
Wind: SW @ 8 mph
UV Index: 8 Very High
Friday Night
Partly cloudy skies. Low 73F. Winds WSW at 5 to 10 mph.
Chance of Rain: 21%
Sunrise: 05:32:01 AM
Sunset: 08:27:34 PM
Humidity: 64%
Wind: NW @ 12 mph
UV Index: 8 Very High
Saturday Night
Mainly clear skies. Low 59F. Winds ENE at 5 to 10 mph.
Chance of Rain: 7%
Sunrise: 05:32:54 AM
Sunset: 08:26:47 PM
Humidity: 60%
Wind: ENE @ 6 mph
UV Index: 9 Very High
Sunday Night
Generally fair. Low 61F. Winds light and variable.
Chance of Rain: 66%
Sunrise: 05:33:49 AM
Sunset: 08:25:58 PM
Humidity: 72%
Wind: SSW @ 12 mph
UV Index: 6 High
Monday Night
Thunderstorms likely. Potential for severe thunderstorms. Low 67F. Winds WSW at 10 to 15 mph. Chance of rain 80%.
Chance of Rain: 12%
Sunrise: 05:34:45 AM
Sunset: 08:25:08 PM
Humidity: 59%
Wind: NW @ 14 mph
UV Index: 9 Very High
Tuesday Night
Mostly clear skies. Low 54F. Winds NNW at 10 to 15 mph.
Chance of Rain: 4%
Sunrise: 05:35:41 AM
Sunset: 08:24:15 PM
Humidity: 51%
Wind: NNW @ 10 mph
UV Index: 9 Very High
Wednesday Night
Some clouds early will give way to generally clear conditions overnight. Low 54F. Winds light and variable.
Chance of Rain: 7%
Sunrise: 05:36:38 AM
Sunset: 08:23:21 PM
Humidity: 54%
Wind: W @ 7 mph
UV Index: 9 Very High
Thursday Night
Generally fair. Low 59F. Winds light and variable.
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- STATE JOURNAL
Experts say healthy people should not be harmed by short-term smoke exposure, but encouraged people to stay inside when at all possible.
- NOE GOLDHABER
Construction workers face some of the highest risks while working in the heat.
The heat wave is forecast to peak by Wednesday as wildfire smoke spreads from north to south across the state.
- ryan.patterson
Children and families swam, splashed and played on a sweltering afternoon Tuesday at the S.C. Johnson Community Aquatic Center at Pritchard Park.
- Kirsten Adshead
The city’s hottest day ever came amid the Great Depression, as part of a devastating heat wave that killed thousands in the Midwest and destroyed crops.
The National Oceanic and Atmospheric Administration supports weather forecasting throughout a wildfire’s lifecycle: before, during and after the wildfire.
- milanadone
Although the temperatures will be higher than average, they are “not outrageous” for mid-July, according to the National Weather Service.
- Jeff Richgels
The main threat is damaging straight line winds, though some large hail may occur.
- Steven Martinez, Milwaukee Journal Sentinel
A devastating storm that blew through Walworth County on July 3 included straight-line wind gusts estimated at 90 to 100 mph, equivalent to wind speeds in a Category 2 hurricane, according to the
These areas of low-pressure form on the backside of heavy thunderstorms, causing winds to surge in at fast speeds.
- ZOEY THOMAS
The storm hit the resort city around noon on Friday, as residents and visitors were preparing for the weekend’s Fourth of July celebrations.
- Kaitlyn Hupp
Heading into downtown Lake Geneva, trees lined the sides of the road, with many resting in yards and some on buildings.

