National Weather Service United States Department of Commerce

Severe weather expected for Upper Midwest on Wednesday

A potent storm system will bring a chance of severe thunderstorms to parts of the Upper Midwest on Wednesday and Wednesday night. Very large hail, damaging wind gusts, tornadoes and heavy rain are possible with these storms.
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Current Conditions

Roane County

Zone Forecast

  • Rest Of Tonight Mostly cloudy. A slight chance of showers and thunderstorms late this evening. Lows in the upper 60s. West winds around 5 mph late this evening...becoming light and variable. Chance of rain 20 percent.
  • Wednesday Partly sunny. Highs in the mid 80s. West winds around 5 mph.
  • Wednesday Night Partly cloudy in the evening...then clearing. Patchy dense fog after midnight. Lows in the lower 60s. Southwest winds around 5 mph in the evening...becoming light and variable.
  • Thursday Patchy dense fog in the morning. Mostly sunny. Highs in the mid 80s. Light and variable winds...becoming southwest around 5 mph in the afternoon.
  • Thursday Night Partly cloudy in the evening...then becoming mostly clear. Lows in the mid 60s. South winds around 5 mph in the evening...becoming light and variable.
  • Friday Mostly sunny. Highs in the upper 80s.
  • Friday Night Partly cloudy in the evening...then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.
  • Saturday Showers likely. Thunderstorms likely...mainly in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
  • Saturday Night A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
  • Sunday Mostly cloudy in the morning...then becoming partly sunny. Highs in the upper 70s.
  • Sunday Night Through Monday Night Partly cloudy. Lows around 60. Highs in the upper 70s.
  • Tuesday Partly sunny. Highs around 80.