SXUS43 KLSX 111651 RECSTL Evening Hot Air Balloon Forecast National Weather Service Saint Louis MO 1151 AM CDT Mon May 11 2026 ...HERE IS THE EVENING HOT AIR BALLOON FORECAST FOR THE SAINT LOUIS METROPOLITAN AREA... .THIS EVENING... Sunset: 803 PM. Surface Wind Forecast: 6 PM...330/07 mph. 8 PM...330/03 mph. Boundary Layer Wind: 6 PM...320/10 mph. 8 PM...310/06 mph. NWS Doppler Winds (at 1139 AM): 1000ft...MISSING. 2000ft...270/10 mph. 3000ft...290/13 mph. RAP Winds (at 7 PM): 500ft...290/08 mph. 1000ft...290/09 mph. 2000ft...300/10 mph. 3000ft...310/12 mph. Surface Lifted Index: 6 PM...+7. 8 PM...+6. Density Altitude: 6 PM...1622 FT. 8 PM...1153 FT. Additional Weather Info: clear skies, unrestricted visibilities. .OUTLOOK FOR TOMORROW MORNING... Sunrise: 552 AM. Weather: clear skies, unrestricted visibilities. Surface Wind: 6 AM...180/05 mph. 8 AM...200/06 mph. Boundary Wind: 6 AM...180/10 mph. 8 AM...210/10 mph. This forecast is not routinely updated or amended outside of scheduled issuances. && This forecast is also available at phone number 636-441-8467 ext 5. $$ Pfahler