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SXUS43 KLSX 110754
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Morning Hot Air Balloon Forecast
National Weather Service Saint Louis MO
254 AM CDT Tue Aug 11 2026

...HERE IS THE MORNING HOT AIR BALLOON FORECAST
FOR THE SAINT LOUIS METROPOLITAN AREA...

...HEAT ADVISORY UNTIL 8 PM CDT WEDNESDAY...
...EXTREME HEAT WARNING UNTIL 8 PM CDT WEDNESDAY...

.THIS MORNING...
    Sunrise:                         612 AM.

    Surface Wind Forecast:           6 AM...200/07G14 mph.
                                     8 AM...220/08G15 mph.

    Boundary Layer Wind:             6 AM...220/12 mph.
                                     8 AM...230/13 mph.

    NWS Doppler Winds (at 0244 AM):  1000ft...240/15 mph.
                                     2000ft...250/32 mph.
                                     3000ft...250/32 mph.

    RAP Winds (at 7 AM):              500ft...240/28 mph.
                                     1000ft...260/33 mph.
                                     2000ft...260/28 mph.
                                     3000ft...260/18 mph.

    Surface Lifted Index:            6 AM...-8.
                                     8 AM...-8.

    Density Altitude:                6 AM...2180 FT.
                                     8 AM...2408 FT.

    Additional Weather Info:         scattered clouds around 11000 feet AGL,
                                     unrestricted visibilities.


.OUTLOOK FOR THIS EVENING...
    Sunset:         801 PM.
    Weather:        clear below 12000 feet AGL,
                    unrestricted visibilities,
                    hot--reduced buoyancy.
    Surface Wind:   6 PM...230/07 mph.
                    8 PM...210/06 mph.
    Boundary Wind:  6 PM...250/13 mph.
                    8 PM...220/09 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.

$$

MRB