Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast
A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
Read More... Hazardous Weather Conditions Humidity91% Wind SpeedSE 7 mph Barometer29.88 in Dewpoint49°F (9°C) Visibility10.00 mi Wind Chill48°F (9°C)
Current conditions at
Alton / St. Louis Regional (KALN)
Lat: 38.91°N Lon: 90.05°W Elev: 558ft.
6 Miles ESE Chesterfield IL 7 Day Forecast
Detailed Forecast Overnight A 50 percent chance of showers. Cloudy, with a low around 50. South wind around 14 mph. Sunday Showers, with thunderstorms also possible after 9am. High near 57. Southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Sunday Night Occasional rain. Low around 35. Southeast wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Monday A 30 percent chance of snow before noon. Mostly cloudy, with a high near 39. Breezy, with a west wind 16 to 22 mph, with gusts as high as 29 mph. Monday Night Mostly cloudy, with a low around 23. West wind 11 to 15 mph, with gusts as high as 24 mph. Tuesday Mostly sunny, with a high near 36. Tuesday Night Partly cloudy, with a low around 25. Wednesday A slight chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 20%. Wednesday Night Mostly cloudy, with a low around 28. Thanksgiving Day Partly sunny, with a high near 39. Thursday Night Mostly cloudy, with a low around 22. Friday Mostly sunny, with a high near 32. Friday Night Partly cloudy, with a low around 21. Saturday Mostly sunny, with a high near 33.