Wind
6 mph
SSE
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Caseyville, IL
Hour-by-Hour Current Observation
Clear
Wind
6 mph
SSE
UV Index
1
Low
Humidity
0%
Dew 0°F
Sun
6:30 AM · 7:28 PM
Rise · Set
Source: ALTON/ST LOUIS R (KALN). Slider scrubs the next 12 hours.
5-Day Outlook
Tonight
Clear
Tonight
Clear, with a low around 79. Heat index values as high as 101. South wind around 7 mph.
Wednesday
Mostly Sunny
Overnight: Mostly Clear
Wednesday
Sunny, with a high near 98. Heat index values as high as 103. Southwest wind 5 to 9 mph.
Night
Mostly clear, with a low around 79. Heat index values as high as 102. South wind 5 to 8 mph.
Thursday
Mostly Sunny
Overnight: Clear
Thursday
Sunny, with a high near 99. Southwest wind 3 to 8 mph.
Night
Mostly clear, with a low around 79.
Friday
Mostly Sunny
Overnight: Mostly Clear
Friday
Sunny, with a high near 99.
Night
Mostly clear, with a low around 78.
Saturday
Mostly Sunny
Overnight: Partly Cloudy
Saturday
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 98. Chance of precipitation is 20%.
Night
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Caseyville, IL Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Caseyville, IL.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.