National Weather Service Forecast for: Bloomington, IL
Issued by: National Weather Service Central Illinois
Updated: Wed, 13-May-2026 1:52pm CDT
Bloomington
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The zone forecast data for ILZ038 (McLean) will be displayed
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This
Afternoon
Mostly Sunny
Mostly Sunny
Thursday

Sunny
Sunny
Friday

Thunder storm
Thunder storm
Saturday

Thunder storm
Thunder storm
Sunday

Partly Sunny
Partly Sunny
Monday

Thunder storm
Thunder storm
Tuesday

Showers likely
Showers likely
Hi ≈65°F Hi <75°F Hi ≈75°F Hi ≈80°F Hi ≈85°F Hi >85°F Hi ≈80°F
 
Tonight

Mostly Clear
Mostly Clear
Thursday
Night
Thunder storm
Thunder storm
Friday
Night
Thunder storm
Thunder storm
Saturday
Night
Thunder storm
Thunder storm
Sunday
Night
Partly Cloudy
Partly Cloudy
Monday
Night
Thunder storm
Thunder storm
 
Lo <45°F Lo <55°F Lo <65°F Lo <65°F Lo >65°F Lo >65°F  

 

This Afternoon
 
Mostly sunny and much cooler. Near steady temperature in the mid 60s. Northwest winds around 20 mph with gusts up to 30 mph.
Tonight
 
Mostly clear. Lows in the lower 40s. North winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight.
Thursday
 
Sunny. Highs in the lower 70s. North winds around 5 mph, becoming west in the afternoon.
Thursday Night
 
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 50s. South winds 10 to 15 mph. Chance of rain 50 percent.
Friday
 
Showers likely with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Breezy with highs in the mid 70s. South winds 15 to 25 mph. Chance of rain 70 percent.
Friday Night
 
Partly cloudy. A chance of showers and thunderstorms after midnight. Not as cool with lows in the lower 60s. Chance of rain 40 percent.
Saturday
 
Showers and thunderstorms likely. Highs around 80.
Saturday Night
 
Showers and thunderstorms likely. Lows in the lower 60s.
Sunday
 
Partly sunny and breezy. Highs in the mid 80s.
Sunday Night
 
Partly cloudy in the evening, then clearing. Lows in the upper 60s.
Monday
 
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Windy with highs in the upper 80s. Chance of rain 50 percent.
Monday Night
 
Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Breezy with lows in the upper 60s. Chance of rain 70 percent.
Tuesday
 
Showers likely. Highs around 80. Chance of rain 70 percent.

 

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