National Weather Service Forecast for: Decatur IL
Issued by: National Weather Service Lincoln, IL
Updated: 2:06 pm CST Dec 23, 2024
 
This
Afternoon
This Afternoon: Cloudy, with a high near 46. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Cloudy

 Tonight

Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 31. Southwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Mostly Cloudy
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 42. East northeast wind 3 to 6 mph.
Patchy Fog
then Mostly
Cloudy
 Tuesday
Night
Tuesday Night: Rain likely, mainly after 3am. Cloudy, with a low around 34. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

 Christmas
Day
Christmas Day: A 50 percent chance of rain. Cloudy, with a high near 44. East wind around 6 mph.
Chance Rain

 Wednesday
Night
Wednesday Night: A 30 percent chance of rain before midnight. Cloudy, with a low around 39. East southeast wind around 6 mph.
Chance Rain
then Cloudy
 Thursday

Thursday: Cloudy, with a high near 50. Southeast wind 5 to 9 mph, with gusts as high as 15 mph.
Cloudy

 Thursday
Night
Thursday Night: A 40 percent chance of rain after midnight. Cloudy, with a low around 45.
Cloudy then
Chance Rain
 Friday

Friday: Rain likely. Cloudy, with a high near 54. Chance of precipitation is 60%.
Rain Likely
Hi 46 °F Lo 31 °F Hi 42 °F Lo 34 °F Hi 44 °F Lo 39 °F Hi 50 °F Lo 45 °F Hi 54 °F

 

This Afternoon
 
 Cloudy, with a high near 46. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
 Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 31. Southwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Tuesday
 
 Patchy fog before noon. Otherwise, mostly cloudy, with a high near 42. East northeast wind 3 to 6 mph.
Tuesday Night
 
 Rain likely, mainly after 3am. Cloudy, with a low around 34. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
 
 A 50 percent chance of rain. Cloudy, with a high near 44. East wind around 6 mph.
Wednesday Night
 
 A 30 percent chance of rain before midnight. Cloudy, with a low around 39. East southeast wind around 6 mph.
Thursday
 
 Cloudy, with a high near 50. Southeast wind 5 to 9 mph, with gusts as high as 15 mph.
Thursday Night
 
 A 40 percent chance of rain after midnight. Cloudy, with a low around 45.
Friday
 
 Rain likely. Cloudy, with a high near 54. Chance of precipitation is 60%.
Friday Night
 
 Rain likely. Cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
 
 A chance of rain. Cloudy, with a high near 55.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 45.
Sunday
 
 A chance of rain. Partly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Decatur IL.