National Weather Service Forecast for: Bloomington, IL
Issued by: National Weather Service Central Illinois
Updated: Wed, 18-Mar-2026 10:37pm CDT
Bloomington
The detailed point forecast weather data is not currently available.
The zone forecast data for ILZ038 (McLean) will be displayed
until the point forecast data is again available.
If this persists, contact the NWS Central Illinois WFO
at 217-732-3089 (8:30 am to 4 pm) or email at w-ilx.webmaster@noaa.gov
to have them update the point forecast for /gridpoints/ILX/68,87 on api.weather.gov
 
  Thursday

Mostly Sunny
Mostly Sunny
Friday

Mostly Sunny
Mostly Sunny
Saturday

Mostly Sunny
Mostly Sunny
Sunday

Mostly Cloudy
Mostly Cloudy
Monday

Partly Sunny
Partly Sunny
Tuesday

Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
  Hi <65°F Hi <75°F Hi <75°F Hi >65°F Hi >45°F Hi ≈55°F Hi <65°F
 
Rest Of
Tonight
Mostly Cloudy
Mostly Cloudy
Thursday
Night
Partly Cloudy
Partly Cloudy
Friday
Night
Mostly Cloudy
Mostly Cloudy
Saturday
Night
Mostly Clear
Mostly Clear
Sunday
Night
Mostly Cloudy
Mostly Cloudy
Monday
Night
Partly Cloudy
Partly Cloudy
Tuesday
Night
Mostly Cloudy
Mostly Cloudy
 
Lo >35°F Lo <45°F Lo ≈45°F Lo <55°F Lo <35°F Lo >25°F Lo >35°F  

 

Rest Of Tonight
 
Mostly cloudy and not as cool. Near steady temperature in the upper 30s. Southwest winds around 5 mph, becoming southeast.
Thursday
 
Mostly sunny. Highs in the lower 60s. Southeast winds 5 to 10 mph.
Thursday Night
 
Partly cloudy. Lows in the lower 40s. East winds around 5 mph, becoming south after midnight.
Friday
 
Mostly sunny. Not as cool with highs in the lower 70s. Southwest winds 10 to 15 mph.
Friday Night
 
Mostly cloudy. Lows in the mid 40s. Northwest winds 5 to 10 mph.
Saturday
 
Mostly sunny. Highs in the lower 70s.
Saturday Night
 
Mostly clear. Lows in the lower 50s.
Sunday
 
Mostly cloudy and breezy. Highs in the upper 60s.
Sunday Night
 
Mostly cloudy and breezy. Lows in the lower 30s.
Monday
 
Partly sunny. Much cooler with highs in the upper 40s.
Monday Night
 
Partly cloudy. Lows in the upper 20s.
Tuesday
 
Mostly cloudy. Highs in the mid 50s.
Tuesday Night
 
Mostly cloudy. Lows in the upper 30s.
Wednesday
 
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s.

 

Forecast from NOAA-NWS for Bloomington, IL. (Zone forecast for McLean)