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Lake in the Hills weather

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Lake in the Hills weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Lake in the Hills weather in numbers

measured normals and 10 years of recorded weather

Lake in the Hills swings 66°F across the year, from 82°F highs in July to 16°F lows in January, and August is usually the wettest month in a year that brings about 37 in of precipitation. Over 10 years of recorded weather it averages 94 days a year at 77°F or above, 24 of them at 86°F or above, 120 frost nights, and rain on 126 days.

Warmest month
July
82°F average high
Coldest month
January
16°F average low
Wettest month
August
37 in a year
Comfortable
2 months
May and September
Residents
29,000
share this forecast
Most accurate here
European
93/100 CheckWeather Score
Warm days
94 days
a year at 77°F or above
Frost nights
120 nights
a year below 32°F
Rain days
126 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Lake in the Hills’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around Lake in the Hills and nearby towns.Live rain radar →
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Lake in the Hills hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Lake in the Hills 10-day forecast, out to 14 days

where the models agree, and where they split

Lake in the Hills, Illinois (IL) is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 16°F), with roughly 37 in of precipitation across the year. Below, compare what NWS, American, European forecast for Lake in the Hills 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.

Lake in the Hills climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
28°
16°
Feb
36°
18°
Mar
45°
28°
Apr
57°
38°
May
69°
47°
Jun
79°
59°
Jul
82°
64°
Aug
80°
63°
Sep
73°
56°
Oct
59°
44°
Nov
45°
32°
Dec
34°
22°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Lake in the Hills has changed since 1995

Lake in the Hills sits in the same roughly 50 km square of NASA's reanalysis as Aurora. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Aurora page.

Which forecast is most accurate in Lake in the Hills?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
98±0.2°F99±0.4 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
88±1.2°F95±1.4 mph7184% 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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Lake in the Hills today?
On this page we show what NWS, American, European each forecast for Lake in the Hills 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 Lake in the Hills today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Lake in the Hills 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 Lake in the Hills?
Over the last 30 days, the European model has been the most accurate for Lake in the Hills (CheckWeather Score 93/100), ahead of the American at 84. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Lake in the Hills?
July is typically the warmest month in Lake in the Hills, with average highs around 82°F.
How cold does Lake in the Hills get?
The coldest month in Lake in the Hills is January, when overnight lows average about 16°F.
How much rain does Lake in the Hills get?
Lake in the Hills sees roughly 37 in of precipitation a year, with August usually the wettest month.

Nearby

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