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Glenwood weather

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NWSNational Blend (NBM)
50°
Mainly clear
Feels 47° · Wind 5 mph · Humidity 85%
AmericanNOAA GFS
48°
Partly cloudy
Feels 44° · Wind 4 mph · Humidity 80%
EuropeanECMWF
50°
Overcast
Feels 46° · Wind 6 mph · Humidity 86%

Latest for Glenwood: NWS (National Blend (NBM)): 50° Mainly clear · American (NOAA GFS): 48° Partly cloudy · European (ECMWF): 50° Overcast.

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Glenwood weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Glenwood weather in numbers

from 30 years of measured normals

Glenwood swings 62°F across the year, from 81°F highs in July to 19°F lows in January, and May is usually the wettest month in a year that brings about 44 in of precipitation.

Warmest month
July
81°F average high
Coldest month
January
19°F average low
Wettest month
May
44 in a year
Below freezing
4 months
January, February, March and December
Comfortable
2 months
September and October
Residents
8,996
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The weather map: all three models at once

NWS, American, European side by side around Glenwood and nearby towns.Live rain radar →
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Glenwood 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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Glenwood 10-day forecast, out to 14 days

where the models agree, and where they split

Glenwood, Illinois (IL) is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 19°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for Glenwood 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.

Glenwood climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
31°
19°
Feb
38°
20°
Mar
47°
30°
Apr
58°
39°
May
69°
48°
Jun
79°
59°
Jul
81°
63°
Aug
80°
63°
Sep
73°
56°
Oct
61°
44°
Nov
47°
33°
Dec
36°
24°

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

How the weather around Glenwood has changed since 1995

Glenwood sits in the same roughly 50 km square of NASA's reanalysis as Hammond. That square ran 1.5°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Hammond page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 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 Glenwood today?
On this page we show what NWS, American, European each forecast for Glenwood 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 Glenwood today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Glenwood 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 Glenwood?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Glenwood 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 Glenwood?
July is typically the warmest month in Glenwood, with average highs around 81°F.
How cold does Glenwood get?
The coldest month in Glenwood is January, when overnight lows average about 19°F.
How much rain does Glenwood get?
Glenwood sees roughly 44 in of precipitation a year, with May usually the wettest month.

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