Spot Forecast
Issued by NWS St. Louis, MO

651
FNUS73 KLSX 111109
FWSLSX

Spot Forecast for Overlook Glade...Missouri State Parks
National Weather Service Saint Louis MO
509 AM CST Thu Dec 11 2025

Forecast is based on ignition time of 0600 CST on December 11.
If conditions become unrepresentative, contact the
National Weather Service.

.DISCUSSION...
Mostly cloudy and cool conditions are expected today with
generally poor mixing. Winds will be light out of the south.

.TODAY...

Sky/weather.........Mostly sunny (35-45 percent) then becoming
                    mostly cloudy (70-80 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Temperature.........25 at ignition...Max 42.
RH..................88 percent at ignition...Min 50 percent.
Eye level winds.....3 mph
Wind (20 ft)........Winds west at 3 mph at ignition...otherwise
                    Light winds becoming south 5 to 8 mph with
                    gusts to around 17 mph late in the morning.
Mixing height.......0 ft AGL at ignition...otherwise max 1800 ft
                    AGL.
Transport winds.....Southwest 5 to 8 mph shifting to the south 9 to
                    17 mph in the late morning and early afternoon,
                    then increasing to 14 to 20 mph late in the
                    afternoon.
Smoke dispersal.....Poor /0 m/s-m/ at ignition. Max...marginal
                    /4710 m/s-m/.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........34     87     86     73     79     79
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      10     10
Chc of thdr (%).0      0      0      0      0      0
Temp............25     27     32     38     41     42
RH..............88     85     69     54     50     51
20 ft wind......W 3    SW 2   S 3    S 6    S 7    S 8
20 ft wind gust.5      5      7      11     15     17
Eye level wind..W 1    SW 1   S 1    S 3    S 3    S 4
Eye lvl wnd gst.2      2      3      5      7      8
Mix hgt (kft)...0.1    0.1    0.9    1.2    1.7    0.4
Transport wind..W 6    SW 5   SW 9   S 12   S 17   S 15
Vrate kt-ft/1K..0      0      7      12     26     6
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (45-55 percent) then becoming
                    partly cloudy (40-50 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Temperature.........Min 33.
RH..................Max 85 percent.
Eye level winds.....3 mph
Wind (20 ft)........South winds around 9 mph with gusts to around
                    18 mph shifting to the northwest around 8 mph
                    with gusts to around 18 mph after 3 am.
Mixing height.......Min 0 ft AGL.
Transport winds.....Southwest 15 to 16 mph shifting to the
                    northwest around 15 mph early in the morning.
Smoke dispersal.....Poor (0 m/s-m).

.FRIDAY...

Sky/weather.........Partly sunny (50-60 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Temperature.........Max 42.
RH..................Min 59 percent.
Eye level winds.....3 mph
Wind (20 ft)........Northwest winds 6 to 9 mph. Gusts up to 23 mph
                    in the morning and early afternoon.
Mixing height.......Max 1700 ft AGL.
Transport winds.....North 12 to 15 mph.
Smoke dispersal.....Poor (110 m/s-m).

$$
Forecaster...Kimble
Requested by...Harlee Scherrer
Type of request...PRESCRIBED
.TAG 2527468.0/LSX
.DELDT 12/11/25
.FormatterVersion 2.0.0