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Hour-by-Hour Forecast for Decatur, Illinois, USA

Currently: 27 °F. Passing clouds. (Weather station: Decatur Airport, USA). See more current weather

Hour-by-hour Forecast in Decatur — Graph

°F

Detailed Hourly Forecast — Next 24 hours

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 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
3:00 am
Sat, Dec 6
29 °FOvercast.22 °F7 mph87%0%0.00" (snow)
0.00" (rain)
4:00 am28 °FOvercast.22 °F6 mph89%8%0.00" (snow)
0.00" (rain)
5:00 am29 °FOvercast.22 °F6 mph92%6%0.00" (snow)
0.00" (rain)
6:00 am29 °FOvercast.22 °F7 mph95%3%0.00" (snow)
0.00" (rain)
7:00 am29 °FOvercast.23 °F6 mph97%0%0.00" (snow)
0.00" (rain)
8:00 am31 °FOvercast.26 °F5 mph93%2%0.00" (snow)
0.00" (rain)
9:00 am32 °FOvercast.28 °F4 mph90%0%0.00" (snow)
0.00" (rain)
10:00 am33 °FOvercast.29 °F4 mph89%0%0.00" (snow)
0.00" (rain)
11:00 am33 °FCloudy.30 °F3 mph88%0%0.00" (snow)
0.00" (rain)
12:00 pm33 °FCloudy.30 °F3 mph87%0%0.00" (snow)
0.00" (rain)
1:00 pm34 °FCloudy.31 °F3 mph86%3%0.00" (snow)
0.00" (rain)
2:00 pm33 °FCloudy.30 °F4 mph86%0%0.00" (snow)
0.00" (rain)
3:00 pm33 °FOvercast.30 °F4 mph87%0%0.00" (snow)
0.00" (rain)
4:00 pm33 °FOvercast.33 °F2 mph87%0%0.00" (snow)
0.00" (rain)
5:00 pm32 °FOvercast.32 °F3 mph86%0%0.00" (snow)
0.00" (rain)
6:00 pm31 °FOvercast.26 °F5 mph90%0%0.00" (snow)
0.00" (rain)
7:00 pm31 °FOvercast.25 °F6 mph90%0%0.00" (snow)
0.00" (rain)
8:00 pm31 °FOvercast.25 °F6 mph89%0%0.00" (snow)
0.00" (rain)
9:00 pm31 °FOvercast.25 °F7 mph88%0%0.00" (snow)
0.00" (rain)
10:00 pm31 °FOvercast.25 °F6 mph90%5%0.00" (snow)
0.00" (rain)
11:00 pm32 °FOvercast.26 °F6 mph90%10%0.00" (snow)
0.00" (rain)
12:00 am
Sun, Dec 7
32 °FOvercast.26 °F6 mph91%10%0.00" (snow)
0.00" (rain)
1:00 am32 °FLight snow. Overcast.25 °F7 mph93%23%0.04" (snow)
0.00" (rain)
2:00 am32 °FLight snow. Overcast.24 °F9 mph92%28%0.04" (snow)
0.00" (rain)
* Updated Friday, December 5, 2025 7:42:32 pm Decatur time - Weather by CustomWeather, © 2025

14 days extended forecast