(WFRV) – Saturday marked day one of three where high temperatures are expected to reach the 90s in northeast Wisconsin, the warmest air since late August of last year and the warmest stretch of days since June 4 through 8 of 2021.
With air temperatures in the 90s and dew points in the 70s, heat index or feel like temperatures hit the upper 90s and triple digits. A HEAT ADVISORY remains in effect for all of northeast Wisconsin until 7 p.m. Monday evening.
Below is a list of the high temperatures and heat indices reported by the National Weather Service in Green Bay and Milwaukee.
HIGH TEMPERATURES JUNE 21, 2025
- Waupaca 96°F
- Wautoma 94°F
- Appleton 93°F
- Clintonville 93°F
- Manitowoc 93°F
- Shawano 93°F
- Oshkosh 92°F
- Oconto 92°F
- Fond Du Lac 91°F
- Menominee 90°F
- Iron Mountain 90°F
- Antigo 86°F
- Sheboygan 86°F
- Sturgeon Bay 81°F
MAXIMUM HEAT INDEX VALUES
- Oconto Airport 108°F
- Manitowoc Airport 107°F
- Luxemburg 107°F
- Wautoma Airport 106°F
- Brillion 106°F
- Kewaunee 106°F
- Appleton Airport 105°F
- Clintonville Airport 105°F
- Waupaca Airport 105°F
- Black Creek 105°F
- Iola 105°F
- Wittenberg 105°F
- Wausaukee 104°F
- Keshena 103°F
- Green Bay 103°F
- De Pere 103°F
- Plover 103°F
- Suring 103°F
- Sheboygan Airport 103°F
- Fond Du Lac Airport 102°F
- Oshkosh 102°F
- Breed 102°F
- Shawano Airport 101°F