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Winter is right around the corner, and it could be snowy. Read AccuWeather's 2025-26 U.S. winter forecast. Chevron right

St. Clair Township, IL

87°F
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St. Clair Township

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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, October 3

Day

10/3
90°Hi
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Sunny to partly cloudy and very warm; persistent dry weather will worsen drought conditions through the weekend
alerts

Air Quality Alert

3:53 PM Thursday - 8:00 PM Friday

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™9 (Very Bright)

WindSSW 6 mph

Wind Gusts12 mph

Probability of Precipitation7%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover16%

Morning

Afternoon

Night

10/3
58°Lo
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear
alerts

Air Quality Alert

3:53 PM Thursday - 8:00 PM Friday

WindS 6 mph

Wind Gusts13 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover1%

Evening

Overnight

Sun & Moon

11 hrs 43 mins
Rise 6:57 AM
Set 6:40 PM
Waxing Gibbous
Rise 4:57 PM
Set 3:54 AM

Temperature History

10/3
High
Low
Forecast
90°
58°
Average
77°
49°
Last Year
81°
48°
Record
94°
2006
27°
1974

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World North America United States Illinois St. Clair Township

Weather Near St. Clair Township:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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