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River Forest weather

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The weather map: all three models at once

NWS, American, European side by side around River Forest 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

River Forest, IL is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 22°F), with roughly 47 in of precipitation across the year. Below, compare what NWS, American, European forecast for River Forest 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.

River Forest climate by month

average daytime high and overnight low across a typical year
Jan
34°
22°
Feb
45°
26°
Mar
48°
32°
Apr
61°
40°
May
72°
50°
Jun
81°
61°
Jul
82°
64°
Aug
81°
64°
Sep
77°
59°
Oct
65°
48°
Nov
50°
37°
Dec
40°
29°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% 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 River Forest today?
On this page we show what NWS, American, European each forecast for River Forest 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 River Forest today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for River Forest 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 River Forest?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the River Forest forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in River Forest?
July is typically the warmest month in River Forest, with average highs around 82°F.
How cold does River Forest get?
The coldest month in River Forest is January, when overnight lows average about 22°F.
How much rain does River Forest get?
River Forest sees roughly 47 in of precipitation a year, with July usually the wettest month.

Nearby

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