THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 563 IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 9 COUNTIES IN CENTRAL ILLINOIS MARSHALL MCLEAN PEORIA STARK TAZEWELL WOODFORD IN EAST CENTRAL ILLINOIS CHAMPAIGN VERMILION IN WEST CENTRAL ILLINOIS KNOX THIS INCLUDES THE CITIES OF BLOOMINGTON, CHAMPAIGN, DANVILLE, EUREKA, GALESBURG, LACON, NORMAL, PEKIN, PEORIA, TOULON, AND URBANA.
Local weather forecast
Weather in Charleston, IL
Updated 2026-08-11 12:00 local time · ZIP codes 61920
Now82°F
Sunny
High / Low98° / 76°
Rain chance4%
Wind15 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now82°2% rain
82°2% rain1 PM97°1% rain
97°1% rain2 PM98°1% rain
98°1% rain3 PM97°2% rain
97°2% rain4 PM96°1% rain
96°1% rain5 PM95°1% rain
95°1% rain6 PM92°2% rain
92°2% rain7 PM89°3% rain
89°3% rain8 PM
85°4% rain
85°4% rain9 PM84°4% rain
84°4% rain10 PM82°5% rain
82°5% rain11 PM81°5% rain
81°5% rainForecast
3-day weather forecast
Today2026-08-11
98° 76°Sunny
Rain 4%Gust 15 mph
Tomorrow2026-08-12
83° 71°Sunny
Rain 70%Gust 13 mph
Thursday2026-08-13
85° 69°Thundery outbreaks in nearby
Rain 84%Gust 12 mph
Conditions
Weather details
Feels like84°F
Humidity74%
Pressure29.98 inHg
Visibility10 mi
Wind15 mph SW
Wind gusts19 mph
Precipitation0.00 in
UV index7
Daylight
Sunrise, sunset and moon
Sunrise06:01 AM
Sunset07:54 PM
Moonrise04:03 AM
Moon phaseNew Moon
Practical guide
Weather insights for today
Umbrella not essential
Rain chance stays relatively low over the next 12 hours (up to 5%).
Light layers should work
It feels like 84°F with winds near 15 mph.
Best window: 12 PM
82°F, 2% rain chance and 15 mph wind.
Allow a little extra driving time
Visibility is around 10 mi; gusts may reach 24 mph.
Run with a few weather adjustments
Current temperature is 82°F, wind 15 mph, rain chance up to 5%.
High UV protection needed
UV index is 7. Sunscreen, shade and protective clothing are recommended.
Charleston weather today
Sunny and 82°F in Charleston, IL. Today's high is 98°F with a 4% rain chance. Winds are around 15 mph with gusts near 19 mph. Relative humidity is 74%, pressure is 29.98 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Charleston
Sunrise is at 06:01 AM and sunset is at 07:54 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 71°F. The maximum rain chance is 70%.
Nearby
Weather near Charleston
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