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CheckWeather USWest Allis

West Allis weather

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NWSNational Blend (NBM)
67°
Mainly clear
Feels 69° · Wind 1 mph · Humidity 77%
AmericanNOAA GFS
65°
Partly cloudy
Feels 67° · Wind 2 mph · Humidity 80%
EuropeanECMWF
68°
Overcast
Feels 70° · Wind 3 mph · Humidity 78%

Latest for West Allis: NWS (National Blend (NBM)): 67° Mainly clear · American (NOAA GFS): 65° Partly cloudy · European (ECMWF): 68° Overcast.

The weather map: all three models at once

NWS, American, European side by side around West Allis and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

West Allis, WI is at its warmest in Jul (average highs near 80°F) and coldest in Jan (lows around 21°F), with roughly 40 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Allis right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

West Allis climate by month

average daytime high and overnight low across a typical year
Jan
32°
21°
Feb
41°
24°
Mar
44°
29°
Apr
57°
39°
May
67°
48°
Jun
77°
59°
Jul
80°
63°
Aug
79°
63°
Sep
75°
59°
Oct
63°
47°
Nov
48°
35°
Dec
38°
27°

Which forecast is most accurate in West Allis?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
93
/100rank #1
94±0.6°F97±0.8 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
67
/100rank #2
82±1.8°F95±1.5 mph2961% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in West Allis today?
On this page we show what NWS, American, European each forecast for West Allis today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in West Allis today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Allis and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for West Allis?
Over the last 30 days, the European model has been the most accurate for West Allis (CheckWeather Score 93/100), ahead of the American at 67. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in West Allis?
July is typically the warmest month in West Allis, with average highs around 80°F.
How cold does West Allis get?
The coldest month in West Allis is January, when overnight lows average about 21°F.
How much rain does West Allis get?
West Allis sees roughly 40 in of precipitation a year, with July usually the wettest month.

Nearby

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