Mon May 20 06:38:27 EDT 2024 McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 538 AM CDT Mon May 20 2024 Today Tonight Tue Tue Night Cloud Cover mcldy pcldy pcldy pcldy Precip Type tstms tstms tstms tstms Chance Precip (%) 60 40 30 70 Max Temp (24HR Trend) 81 (+2) 85 Min RH % (24HR Trend) 57 (+25) 52 Min Temp (24HR Trend) 62 (+4) 58 Max RH % (24HR Trend) 98 (+26) 89 20FT Wind AM (MPH) S 10-15 SE 15-20 20FT Wind PM (MPH) SW 10-15 Lgt/Var S 15-20 S 15-20 Peak Wind Gusts (MPH) 27 34 32 Precip Amount (IN) 0.50-0.75 0.05-0.10 0.05-0.10 0.25-0.50 11 AM Mixing Hgt (FT) 2300 2400 Max Mixing Hgt (FT) 3100 4900 Transport Wnd (MPH) S 21 S 27 Vent Rate (MPH-FT) 62500 127700 Vent Rate Category fair very good LAL 4 3 3 5 Haines Index 4-Low 4-Low .FORECAST FOR DAYS 3 THROUGH 7... (WINDS ARE 20 FT LEVEL) .WEDNESDAY...Mostly sunny. Highs in the lower 70s. Southwest winds around 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds 5 to 10 mph. .THURSDAY...Sunny. Highs in the mid 70s. West winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest winds around 5 mph, becoming east after midnight. .FRIDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly cloudy with a chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. .SATURDAY...Partly sunny with a chance of thunderstorms. Highs in the mid 70s. Southeast winds around 10 mph. .SATURDAY NIGHT...Partly cloudy. A chance of thunderstorms in the evening. Lows in the mid 50s. Northwest winds around 5 mph. .SUNDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. North winds around 5 mph. .SUNDAY NIGHT...Partly cloudy in the evening, building to mostly cloudy. A chance of showers. Lows in the mid 50s. East winds around 5 mph.