Unseasonably cold temperatures spreading into central U.S.
A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
Read More... Hazardous Weather Conditions Humidity57% Wind SpeedNW 18 G 26 mph Barometer30.19 in Dewpoint32°F (0°C) Visibility10.00 mi Wind Chill39°F (4°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 Today Partly sunny, then gradually becoming sunny, with a high near 44. Breezy, with a north wind 21 to 24 mph, with gusts as high as 37 mph. Tonight Widespread frost after 10pm. Otherwise, clear, with a low around 26. North wind 11 to 17 mph. Saturday Widespread frost before 10am. Otherwise, sunny, with a high near 45. North wind 7 to 9 mph. Saturday Night Mostly clear, with a low around 29. Light and variable wind becoming southeast around 6 mph after midnight. Sunday Mostly sunny, with a high near 51. South wind 8 to 14 mph. Sunday Night Partly cloudy, with a low around 39. Monday A 20 percent chance of showers. Partly sunny, with a high near 63. Monday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%. Tuesday Showers likely and possibly a thunderstorm. Cloudy, with a high near 58. Chance of precipitation is 70%. Tuesday Night A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 47. Wednesday A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%. Wednesday Night Partly cloudy, with a low around 42. Thursday Sunny, with a high near 58.