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DeKalb weather

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NWSNational Blend (NBM)
53°
Clear
Feels 53° · Wind 0 mph · Humidity 88%
AmericanNOAA GFS
52°
Clear
Feels 49° · Wind 4 mph · Humidity 85%
EuropeanECMWF
56°
Clear
Feels 55° · Wind 3 mph · Humidity 77%

Latest for DeKalb: NWS (National Blend (NBM)): 53° Clear · American (NOAA GFS): 52° Clear · European (ECMWF): 56° Clear.

The weather map: all three models at once

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

consensus of the three models

7-day forecast

where the models agree, and where they split

DeKalb is a small town of about 43,000 people in IL, sitting at 41.9°N in a temperate climate zone. NWS, American, European each forecast DeKalb with their own physics, so we line all three up and flag where they disagree. Nearby towns include Sycamore, Genoa, Elburn.

Common questions

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

The forecasts Americans check

The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.

Nearby

More US weather