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Milwaukee Weather: Showers ending, heat wave next week

By
FOX6 News Milwaukee
Daily Forecast
Updated June 25, 2026 8:57 PM CDT Published June 25, 2026 4:35 AM CDT

Forecast from FOX6 Chief Meteorologist Tom Wachs

MILWAUKEE - Increasing clouds overnight. Temperatures will settle in the 50s by sunrise.
Mostly cloudy and cool on Friday with a slight chance for a rain shower or two. High around 70 inland, mid-60s near the lake.
Partly sunny and warmer on Saturday with highs in the 70s. The heat starts to build on Sunday with highs in the 80s and dew points in the upper 60s.
A prolonged heat wave starts on Monday and could last over a week. Expect the heat index to be above 100° and lows struggle to reach the 70s at night. Please prepare now for the heat.

Overnight:  Increasing clouds.
Low:      54°
Dew point: 56°
Wind:     NE 5

Friday:   66 Lake. Mostly cloudy with a slight chance for showers.
High:     70° Inland, 66° Lake
Dew point: 56°
Wind:     ENE 5-10

Saturday: 72 Lake. Partly sunny and warmer.
AM Low:   58°                    High:  76° Inland, 72° Lake
Dew point: 58°
Wind:     ENE 5-10

Sunday:   80 Lake. Partly sunny and warmer.
AM Low:   62°                    High:  84° Inland, 80° Lake
Dew point: 68°
Wind:     SE 5-10

Monday:   Partly sunny, breezy, hot and humid. Heat Index: 101°
AM Low:   70°                    High:  93°, Heat Index: 101°
Dew point: 72°
Wind:     SW 10-20

Tuesday:  Partly sunny, breezy, hot and humid. Heat Index: 106°
AM Low:   77°                    High:  95°, Heat Index: 106°
Dew point: 74°
Wind:     SW 10-20

Wednesday: Partly sunny, hot and humid. Heat Index: 107°
AM Low:   78°                    High:  96°, Heat Index: 107°
Dew point: 74°
Wind:     SW 5-10

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The Source: Information in this report is from the FOX6 Weather Experts and National Weather Service.

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