West Allis, WI Weather Forecast

Local 7-day forecast

84°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for West Allis, WI in one place.

Monday, May 25, 2026
Wind: 5 to 10 mph SW
Memorial Day

Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for West Allis, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 12:04 PM CDT.

The active forecast window currently covers May 25 to May 30, 2026 for West Allis, WI.

Page Snapshot

Page focus
city weather
Forecast window
May 25 to May 30, 2026
Latest sync
May 24, 2026 12:04 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
84°F
Memorial Day
Next Low
61°F
Monday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
5 to 15 mph
Friday

Daily Outlook

Today
May 25
Mostly Sunny
84 °F
/ 61°F
Wind 5 to 10 mph
Tue
May 26
Sunny
88 °F
/ 61°F
Wind 5 to 10 mph
Wed
May 27
Mostly Sunny
81 °F
/ 55°F
Wind 0 to 10 mph
Thu
May 28
Mostly Sunny
74 °F
/ 53°F
Wind 5 to 10 mph
Fri
May 29
Mostly Sunny
73 °F
/ 52°F
Wind 5 to 15 mph
Sat
May 30
Sunny
72 °F
/ 53°F
Wind 5 to 10 mph

This Week in West Allis

Tuesday looks like the warmest upcoming period in West Allis at 88 degrees F.

Friday Night is the coolest period ahead with temperatures near 52 degrees F.

The strongest winds are forecast for Friday at about 5 to 15 mph NE.

The forecast from May 25 through May 30 stays mostly dry.

Forecast Details

Last updated
May 24, 2026 12:04 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
MKX
Radar station
KMKX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Monday Night
May 25
61°F
Mostly Clear
5 to 10 mph S

Mostly clear, with a low around 61. South wind 5 to 10 mph.

Tuesday
May 26
88°F
Sunny
5 to 10 mph SW

Sunny, with a high near 88. Southwest wind 5 to 10 mph.

Tuesday Night
May 26
61°F
Partly Cloudy
0 to 5 mph S

Partly cloudy, with a low around 61. South wind 0 to 5 mph.

Wednesday
May 27
81°F
Mostly Sunny
0 to 10 mph NE

Mostly sunny, with a high near 81. Northeast wind 0 to 10 mph.

Wednesday Night
May 27
55°F
Partly Cloudy
5 to 10 mph NE

Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

Thursday
May 28
74°F
Mostly Sunny
5 to 10 mph NE

Mostly sunny, with a high near 74.

Thursday Night
May 28
53°F
Partly Cloudy
5 to 10 mph NE

Partly cloudy, with a low around 53.

Friday
May 29
73°F
Mostly Sunny
5 to 15 mph NE

Mostly sunny, with a high near 73.

Friday Night
May 29
52°F
Mostly Clear
5 to 10 mph NE

Mostly clear, with a low around 52.

Saturday
May 30
72°F
Sunny
5 to 10 mph NE

Sunny, with a high near 72.

Saturday Night
May 30
53°F
Mostly Clear
0 to 10 mph NE

Mostly clear, with a low around 53.

Detailed Forecast

Period Conditions Temp Wind
Memorial Day
May 25
Mostly Sunny
84°F
5 to 10 mph
SW
Monday Night
May 25
Mostly Clear
61°F
5 to 10 mph
S
Tuesday
May 26
Sunny
88°F
5 to 10 mph
SW
Tuesday Night
May 26
Partly Cloudy
61°F
0 to 5 mph
S
Wednesday
May 27
Mostly Sunny
81°F
0 to 10 mph
NE
Wednesday Night
May 27
Partly Cloudy
55°F
5 to 10 mph
NE
Thursday
May 28
Mostly Sunny
74°F
5 to 10 mph
NE
Thursday Night
May 28
Partly Cloudy
53°F
5 to 10 mph
NE
Friday
May 29
Mostly Sunny
73°F
5 to 15 mph
NE
Friday Night
May 29
Mostly Clear
52°F
5 to 10 mph
NE
Saturday
May 30
Sunny
72°F
5 to 10 mph
NE
Saturday Night
May 30
Mostly Clear
53°F
0 to 10 mph
NE
Pettit National Ice Center
Pettit National Ice Center image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.