Mon May 20 15:00:38 EDT 2024 Knox- Including the city of Mount Vernon 300 PM EDT Mon May 20 2024 Tonight Tue Tue Night Wed Cloud Cover Mclear Pcldy Mclear Pcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 20 20 50 Temp (24h trend) 63 (+1) 86 (-1) 68 83 RH % (24h trend) 83 (+1) 42 (0) 78 61 20ft Wnd-Val/AM(mph) Lgt/Var SW 8 G19 20ft Wnd-Rdg/PM(mph) Lgt/Var SW 7 S 5 SW 10 G19 Precip Amount 0.00 0.02 0.01 0.07 Precip Duration 0 0 1 Precip Begin 4 PM Continuing 8 AM Precip End Continuing 8 PM Continuing Mixing Hgt(m-agl/msl) 2000 1210 Mixing Hgt(ft-agl/msl) 6550 3960 Transport Wnd (kts) SW 13 SW 24 Transport Wnd (m/s) SW 7 SW 12 Transport Wnd (mph) SW 15 SW 28 Vent Rate (kt-ft) 85150 95040 Vent Rate (m/s-m) 14000 14520 Vent Rate (mph-ft) 98250 110880 Dispersion 4 4 DSI Sunshine Hours 10 7 CWR 0 LAL 1 2 2 4 Haines Index 5 4 4 3 RH Recovery Excellent Excellent Stability Class ADI early 52 Gen Good 69 Good 58 Gen Good 67 Good ADI late 4 Very Poor106 Very Good 7 Poor 74 Good Max LVORI early 3 5 3 4 Max LVORI late 5 1 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers and thunderstorms likely. Lows in the mid 60s. Highs in the mid 70s. West winds 5 to 10 mph. .FRIDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. East winds around 5 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Southeast winds around 5 mph. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. South winds around 5 mph. .MEMORIAL DAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 60s. Highs in the upper 70s. South winds 5 to 10 mph.