Severe Thunderstorm and Flash Flooding Potential Returns Tuesday Afternoon and Evening

Thunderstorms Tuesday afternoon and evening could produce damaging winds and hail, particularly with a line that moves southeast ahead of an advancing cold front. A tornado or two, as well as Localized flash flooding, are also possible. There is a slight to enhanced Risk for Severe Storms, and a Slight Risk for Flash Flooding. Please keep updated on the forecast and have ways to receive warnings. Read More >

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 Fire Weather Planning Forecast
 National Weather Service Charleston WV
 247 PM EDT Mon Jul 20 2026
 
 .DISCUSSION...
 Dry conditions continue for the middle Ohio Valley today and 
 tonight, while showers and thunderstorms are possible in and near 
 the central Appalachians this afternoon and tonight.
 
 A potent system for mid Summer has the potential to bring impactful 
 severe weather to the area Tuesday. Damaging winds, hail, and a 
 tornado or two will be possible, in addition to heavy rain. Timing 
 for severe storms currently appears to be Tuesday afternoon and 
 evening in at least two rounds. Flash flooding is also a concern 
 with heavy rainfall from thunderstorms, especially where heavy 
 rainfall is most persistent or repetitive.
 
 Drier and cooler weather arrives Wednesday through Friday, with 
 additional storm chances forecast this weekend.
 
 
 Roane-
 Including the city of Spencer
 247 PM EDT Mon Jul 20 2026
 
                       Tonight      Tue          Tue Night    Wed          
 
 Cloud cover           Pcldy        Mcldy        Mcldy        Pcldy        
 Precip type           None         Tstms        Tstms        Tstms        
 Chance precip (%)     0            80           90           40           
 Chance of Thunder (%) 0            70           70           20           
 Min/Max TEMP          70           84           67           79           
 Max/Min RH %          100          69           100          67           
 20ftWnd-val/AM(mph)                SW  5                     Lgt/Var      
 20ftWnd-rdg/PM(mph)   Lgt/Var      SW  8 G18    SW  7 G19    NW  6        
 Precip amount         0.00         0.28         0.49         0.03         
 Precip duration                    3            8            2            
 Precip begin                       7 AM         Continuing   Continuing   
 Precip end                         Continuing   Continuing   6 PM         
 Mixing hgt(ft-AGL/MSL)             4090                      4850         
 Transport wnd (mph)                W 18                      W 14         
 Vent rate (kt-ft)                  70490                     62180        
 Dispersion            VERY POOR                 POOR                      
 ADI early             1 VERY POOR  65 GOOD      11 POOR      29 FAIR      
 ADI late              4 VERY POOR  67 GOOD      3 VERY POOR  72 GOOD      
 Max LVORI early       7            9            7            9            
 Max LVORI late        8            3            10           4            
 
 Remarks...None.
 
 .FORECAST FOR DAYS 3 THROUGH 7...
 .THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
 70s. Northwest winds around 5 mph. 
 .FRIDAY...Partly cloudy. Lows in the upper 50s. Highs around 80.
 East winds 5 to 10 mph. 
 .SATURDAY...Mostly cloudy. A chance of showers. Lows in the lower
 60s. Highs around 80. South winds 5 to 10 mph. 
 .SUNDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
 80s. Southwest winds around 5 mph. 
 .MONDAY...Partly cloudy. A chance of showers and thunderstorms.
 Lows in the upper 60s. Highs in the mid 80s. West winds 5 to
 10 mph.

Radar