Appleton Weekend Heat: Forecast & Safety Tips
- Appleton, Wis., is preparing for a significant heat wave this weekend.
- The National Weather Service (NWS) in Green Bay forecasts high temperatures in the mid-90s for saturday and Sunday, June 21-22.
- The NWS also noted that overnight temperatures are not expected to drop below 70 degrees, offering little respite from the heat.
Appleton is bracing for a severe heat wave this weekend, with the heat index potentially reaching a hazardous 105 degrees. High temperatures in the mid-90s are expected Saturday and Sunday, offering little overnight relief, according to the latest national Weather Service forecasts. This weekend’s extreme conditions underscore the need for Appleton residents to take extra precautions. The NWS also highlights a chance of isolated severe storms before the heat arrives. For critical updates and safety tips regarding the upcoming heat wave and the possibility of severe storms, turn to News Directory 3 for essential information. Discover what’s next regarding the forecast and how to stay safe.
Appleton Braces for Scorching Weekend Heat Wave
updated June 19, 2025
Appleton, Wis., is preparing for a significant heat wave this weekend. Following a chance of rain and thunderstorms Thursday night and Friday, the area will experience soaring temperatures.
The National Weather Service (NWS) in Green Bay forecasts high temperatures in the mid-90s for saturday and Sunday, June 21-22. Monday,June 23,will see temperatures in the low 90s. The heat index,wich factors in humidity,is predicted to range between 95 and 105 degrees on Saturday and sunday,creating potentially dangerous conditions.
The NWS also noted that overnight temperatures are not expected to drop below 70 degrees, offering little respite from the heat. This poses a particular concern for those planning to sleep outdoors.
The extreme heat is expected to last through monday, June 23, before a slight cooling trend brings temperatures down to the upper 70s on Tuesday, June 24. There is also a 50 percent chance of rain on Monday.
Before the heat arrives, there is a chance of isolated severe storms through 10 p.m. Thursday. Thunderstorms are possible at times Friday into Saturday morning. The NWS said the greatest risk of strong or severe storms will be overnight Friday night into Saturday morning as a thunderstorm complex is expected to move across the area. There is a 50 percent chance of rain, mainly before 1 p.m. Friday, with a high temperature near 80.
What’s next
Residents are urged to take precautions to avoid heat-related illnesses,including staying hydrated,seeking air-conditioned environments,and limiting outdoor activities during peak heat hours. The upcoming heat wave highlights the importance of understanding local weather forecasts and preparing accordingly for extreme weather events.