Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USSycamore

Sycamore weather

Loading live data…

NWSNational Blend (NBM)
71°
Mainly clear
Feels 71° · Wind 7 mph · Humidity 64%
AmericanNOAA GFS
72°
Overcast
Feels 70° · Wind 8 mph · Humidity 58%
EuropeanECMWF
72°
Overcast
Feels 71° · Wind 8 mph · Humidity 65%

Latest for Sycamore: NWS (National Blend (NBM)): 71° Mainly clear · American (NOAA GFS): 72° Overcast · European (ECMWF): 72° Overcast.

The weather map: all three models at once

NWS, American, European side by side around Sycamore and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Sycamore is a small town of about 18,000 people in IL, sitting at 42.0°N in a temperate climate zone. NWS, American, European each forecast Sycamore with their own physics, so we line all three up and flag where they disagree. Nearby towns include DeKalb, Genoa, Hampshire.

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.

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 Sycamore today?
On this page we show what NWS, American, European each forecast for Sycamore 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 Sycamore today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Sycamore 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 Sycamore?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Sycamore forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.

Nearby

More US weather