Weather Alert
East St. Louis Weather Warning NWS WEATHER ALERT FOR THE EAST SAINT LOUIS, IL AREA - Issued: 233 PM CDT Sat Aug 8 2026 East St. Louis Weather Warning

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East St. Louis, IL Weather - Hour by Hour Forecast

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East St. Louis, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 76°F24°C, dew point 72°F22°C, humidity 87%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.04 in1017 mb.
Tonight - Mostly clear. Lows in the lower 70s. South winds around 5 mph... Full Forecast
Sunday - Sunny with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 104... Full Forecast

East St. Louis Hourly Weather

24 Hour Forecast Scroll
Sat, Aug 08
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East St. Louis, IL Hourly Weather - Clear - 11:00 PM East St. Louis, IL Hourly Weather - Clear - 12:00 AM East St. Louis, IL Hourly Weather - Clear - 1:00 AM East St. Louis, IL Hourly Weather - Clear - 2:00 AM East St. Louis, IL Hourly Weather - Clear - 3:00 AM East St. Louis, IL Hourly Weather - Clear - 4:00 AM East St. Louis, IL Hourly Weather - Clear - 5:00 AM East St. Louis, IL Hourly Weather - Mostly Clear - 6:00 AM East St. Louis, IL Hourly Weather - Mostly Clear - 7:00 AM East St. Louis, IL Hourly Weather - Mostly Clear - 8:00 AM East St. Louis, IL Hourly Weather - Mostly Clear - 9:00 AM East St. Louis, IL Hourly Weather - Mostly Clear - 10:00 AM East St. Louis, IL Hourly Weather - Mostly Clear - 11:00 AM East St. Louis, IL Hourly Weather - Clear - 12:00 PM East St. Louis, IL Hourly Weather - Clear - 1:00 PM East St. Louis, IL Hourly Weather - Clear - 2:00 PM East St. Louis, IL Hourly Weather - Clear - 3:00 PM East St. Louis, IL Hourly Weather - Clear - 4:00 PM East St. Louis, IL Hourly Weather - Clear - 5:00 PM East St. Louis, IL Hourly Weather - Partly Cloudy - 6:00 PM East St. Louis, IL Hourly Weather - Partly Cloudy - 7:00 PM East St. Louis, IL Hourly Weather - Partly Cloudy - 8:00 PM East St. Louis, IL Hourly Weather - Partly Cloudy - 9:00 PM East St. Louis, IL Hourly Weather - Partly Cloudy - 10:00 PM
Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
83°F28°C 81°F27°C 80°F27°C 79°F26°C 78°F26°C 77°F25°C 77°F25°C 77°F25°C 77°F25°C 80°F27°C 84°F29°C 87°F31°C 90°F32°C 93°F34°C 96°F36°C 97°F36°C 98°F37°C 99°F37°C 97°F36°C 94°F34°C 92°F33°C 89°F32°C 86°F30°C 83°F28°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 1% 1% 1% 1% 1% 1% 10% 10% 10%
72°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C
70% 74% 77% 79% 79% 82% 82% 79% 79% 74% 65% 61% 56% 51% 46% 45% 42% 41% 43% 48% 51% 56% 61% 67%
S S SSE SSE S S S SSE SSE SSE SW SW SSE SSE S S S S S S S S S S
7 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 10 mph 10 mph 10 mph 5 mph 5 mph 5 mph 5 mph 5 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KCPS model statistics.

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Prob Precip % = Probability of Precipitation.

East St. Louis 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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