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 Saint Joseph, IL
Updated 2026-08-11 12:00 local time · ZIP codes 61873
Now84°F
Sunny
High / Low98° / 76°
Rain chance5%
Wind12 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now84°2% rain
84°2% rain1 PM98°2% rain
98°2% rain2 PM96°2% rain
96°2% rain3 PM98°1% rain
98°1% rain4 PM97°2% rain
97°2% rain5 PM94°2% rain
94°2% rain6 PM93°2% rain
93°2% rain7 PM89°3% rain
89°3% rain8 PM
86°4% rain
86°4% rain9 PM84°7% rain
84°7% rain10 PM82°9% rain
82°9% rain11 PM82°6% rain
82°6% rainForecast
3-day weather forecast
Today2026-08-11
98° 76°Sunny
Rain 5%Gust 13 mph
Tomorrow2026-08-12
78° 70°Sunny
Rain 76%Gust 16 mph
Thursday2026-08-13
83° 67°Mist
Rain 88%Gust 13 mph
Conditions
Weather details
Feels like87°F
Humidity79%
Pressure29.96 inHg
Visibility10 mi
Wind12 mph W
Wind gusts16 mph
Precipitation0.00 in
UV index6
Daylight
Sunrise, sunset and moon
Sunrise05:59 AM
Sunset07:54 PM
Moonrise04:00 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 9%).
Choose light, breathable clothing
It feels like 87°F with winds near 12 mph.
Best window: 12 PM
84°F, 2% rain chance and 12 mph wind.
Use extra caution while driving
Visibility is around 10 mi; gusts may reach 19 mph.
Run with a few weather adjustments
Current temperature is 84°F, wind 12 mph, rain chance up to 9%.
Moderate UV protection recommended
UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.
Saint Joseph weather today
Sunny and 84°F in Saint Joseph, IL. Today's high is 98°F with a 5% rain chance. Winds are around 12 mph with gusts near 16 mph. Relative humidity is 79%, pressure is 29.96 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Saint Joseph
Sunrise is at 05:59 AM and sunset is at 07:54 PM. Tomorrow's forecast calls for Sunny with a high near 78°F and a low near 70°F. The maximum rain chance is 76%.
Nearby
Weather near Saint Joseph
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