National Weather Service United States Department of Commerce

Severe Storms and Heavy Rain Possible Later This Afternoon Into Tonight

A few severe storms with damaging winds and large hail are expected later today from parts of Illinois into lower Michigan. A somewhat longer-duration severe storm threat is expected this afternoon into tonight from the Kansas/Oklahoma border region into southern Missouri, where a couple tornadoes will also be possible.
Read More...

Current Conditions

St. Charles County

Zone Forecast

  • Tonight Showers and thunderstorms. Locally heavy rainfall possible. Low around 70. Light wind. Chance of rain 90 percent.
  • Tuesday Mostly cloudy with a 20 percent chance of showers in the morning...then partly cloudy in the afternoon. High in the upper 80s. Light wind.
  • Tuesday Night Mostly clear. A 20 percent chance of showers and thunderstorms after midnight. Low in the upper 60s. Light wind.
  • Wednesday Partly sunny with a 40 percent chance of showers and thunderstorms. High around 90. Light wind in the morning becoming south around 10 mph in the afternoon.
  • Wednesday Night Mostly clear. Low in the lower 70s. South wind around 10 mph.
  • Thursday Hot and humid. Mostly sunny. High in the mid 90s. Highest heat index readings of around 105 in the afternoon.
  • Thursday Night Partly cloudy. Low in the lower 70s.
  • Friday Partly cloudy with a 40 percent chance of showers and thunderstorms. High around 90.
  • Friday Night Mostly cloudy with a 50 percent chance of showers and thunderstorms. Low in the upper 60s.
  • Saturday Cooler. Mostly cloudy with a 30 percent chance of showers and thunderstorms. High in the upper 70s.
  • Saturday Night Through Monday Partly cloudy. Low around 60. High in the upper 70s.