St Clair County, IL 14 Day Weather - WeatherWorld.com

Pleasant near 79°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Comfortable with temperatures reaching 78°F 26°C, scattered downpours possible, with steady humidity and steady pressure.

Sizzling hot with 90°F 32°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Hot temperatures near 98°F 37°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Scorching hot near 101°F 38°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 7 mph 11 km/h.

Very hot with a high of 91°F 33°C, feeling closer to 95°F 35°C in the humidity, dry most of the day, with showers developing late, with increasing humidity and steady pressure. Winds switching from the SW to the SSW at 8 mph 14 km/h.

Sizzling hot near 91°F 33°C with a heat index reaching 96°F 35°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds moving from the W to the NNE at 11 mph 17 km/h.

Enjoyable around 78°F 26°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds out of the NE at 9 mph 15 km/h.

Mild temperatures up to 78°F 26°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the E at 6 mph 9 km/h.

Mild with a high of 76°F 24°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the ENE to the NE at 6 mph 9 km/h.

Pleasant near 77°F 25°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds out of the E at 10 mph 15 km/h.

Comfortable with temperatures reaching 70°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure.

Quite warm around 83°F 29°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the NW to the E at 8 mph 12 km/h.

Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the NNE at 12 mph 20 km/h. Gusts up to 22 mph 35 km/h.