National Weather Service Forecast for: Bloomington IL
Issued by: National Weather Service Lincoln, IL
Updated: 3:16 am CST Dec 17, 2025
 
Overnight

Overnight: A chance of sprinkles before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 31. West wind 7 to 10 mph, with gusts as high as 17 mph.
Chance
Sprinkles and
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 39. Light and variable wind becoming south southeast 5 to 9 mph in the afternoon.
Patchy Fog
then Partly
Sunny
 Wednesday
Night
Wednesday Night: Rain likely, mainly after 4am. Mostly cloudy, with a temperature rising to around 45 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Rain
Likely and
Breezy
 Thursday

Thursday: Rain, mainly before noon. Temperature rising to near 48 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 18 to 23 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Breezy. Rain
then Chance
Rain
 Thursday
Night
Thursday Night: A chance of flurries between midnight and 3am. Mostly cloudy, with a low around 15. Breezy, with a west wind 17 to 25 mph, with gusts as high as 36 mph.
Chance
Flurries and
Breezy
 Friday

Friday: Mostly sunny, with a high near 31. West northwest wind 9 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 25. South wind 10 to 18 mph, with gusts as high as 28 mph.
Partly Cloudy

 Saturday

Saturday: Partly sunny, with a high near 46.
Partly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 23.
Partly Cloudy
Lo 31 °F Hi 39 °F Lo 32 °F⇑ Hi 48 °F⇓ Lo 15 °F Hi 31 °F Lo 25 °F Hi 46 °F Lo 23 °F

 

Overnight
 
 A chance of sprinkles before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 31. West wind 7 to 10 mph, with gusts as high as 17 mph.
Wednesday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 39. Light and variable wind becoming south southeast 5 to 9 mph in the afternoon.
Wednesday Night
 
 Rain likely, mainly after 4am. Mostly cloudy, with a temperature rising to around 45 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Rain, mainly before noon. Temperature rising to near 48 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 18 to 23 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
 
 A chance of flurries between midnight and 3am. Mostly cloudy, with a low around 15. Breezy, with a west wind 17 to 25 mph, with gusts as high as 36 mph.
Friday
 
 Mostly sunny, with a high near 31. West northwest wind 9 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
 
 Partly cloudy, with a low around 25. South wind 10 to 18 mph, with gusts as high as 28 mph.
Saturday
 
 Partly sunny, with a high near 46.
Saturday Night
 
 Partly cloudy, with a low around 23.
Sunday
 
 Mostly sunny, with a high near 36.
Sunday Night
 
 Partly cloudy, with a low around 23.
Monday
 
 Partly sunny, with a high near 39.
Monday Night
 
 Mostly cloudy, with a low around 32.
Tuesday
 
 Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Bloomington IL.