234
FNUS73 KLSX 120328
FWSLSX

Spot Forecast for IDOT Brush Pile...Adams County EMA
National Weather Service Saint Louis MO
1028 PM CDT Fri Jul 11 2025

Forecast is based on forecast start time of 2300 CDT on July 11.
If conditions become unrepresentative, contact the
National Weather Service.

.DISCUSSION...
Decaying thunderstorm complex is moving southward over the site,
with locally heavy rainfall expected through approximately
11:30pm. Moderate to light rain with occasional lightning strikes
is then expected through approximately 1am. A cold front passing
over the site will cause winds to gradually become northwesterly
through the morning hours, with winds occasionally being erratic
earlier in the night as thunderstorms depart the site. Rain
chances will decrease through the mid to late morning with skies
becoming partly sunny during the day Saturday.


.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Showers with
                    thunderstorms likely.
CWR.................100 percent decreasing to 20 percent.
Chance of thunder...70 percent decreasing to 20 percent.
Temperature.........71 at forecast start...Min 71.
RH..................100 percent at forecast start...Max 100
                    percent.
Eye level winds.....Winds south-southwest less than 5 mph at forecast
                    start. Gusty and erratic winds expected
                    near thunderstorms overnight. Adjustment factor of
0.4 used.
Wind (20 ft)........Winds south-southwest at 5 mph at forecast
                    start. Gusty and erratic winds expected
                    near thunderstorms overnight.
Mixing height.......500 ft AGL at forecast start...otherwise min
                    400 ft AGL.
Transport winds.....West around 15 mph shifting to the southwest 8
                    to 13 mph overnight.
Smoke dispersal.....Poor /1020 m/s-m/ at forecast start. Min...poor
                    /490 m/s-m/.

TIME (CDT)      11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A
Sky (%).........67  81  88  93  89  83  89  92  88  83  89  81
Weather cov.....DEF DEF CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........LKY LKY CHC CHC CHC SCH SCH SCH SCH SCH SCH
CWR.............100 80  50  50  30  30  20  20  20  20  20  20
Chc of thdr (%).M   M   M   M   M   M   M   M   M   M   M   M
Temp............71  72  73  73  73  72  72  72  72  73  75  76
RH..............100 90  90  87  87  93  93  90  93  93  87  85
20 FT wind dir..SW  S   S   S   SW  SW  W   W   W   NW  NW  NW
20 FT wind spd..5   7   6   6   6   6   6   5   6   7   7   7
20 FT wind gust.14  15  15  15  15  13  12  11  11  13  13  13
Eye lvl wnd dir.SW  S   S   S   SW  SW  W   W   W   NW  NW  NW
Eye lvl wnd spd.2   3   3   3   3   3   3   2   3   3   3   3
Eye lvl wnd gst.6   7   7   7   7   6   6   5   5   6   6   6
Mix hgt (kft)...0.5 0.5 0.5 0.4 0.4 0.5 0.6 0.7 1.0 1.4 1.7 1.9
Transp wind dir.W   S   S   S   S   SW  SW  W   W   W   W   W
Transp wind spd.15  13  13  9   8   9   9   10  12  12  12  10
Vrate kt-ft/1K..7   6   5   4   3   4   4   6   10  14  17  17
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (45-55 percent). Slight chance of
                    thunderstorms early in the morning. Slight
                    chance of showers in the morning and early
                    afternoon. Slight chance of thunderstorms early
                    in the afternoon.
CWR.................20 percent decreasing to 10 percent late in the
                    afternoon.
Chance of thunder...MISSING.
Temperature.........Max 85.
RH..................Min 63 percent.
Eye level winds.....Northwest winds 5 mph or less. Gusty and erratic
                    winds expected near thunderstorms early in the
                    morning. Gusty and erratic winds expected near
                    thunderstorms early in the afternoon.
Wind (20 ft)........Northwest winds 6 to 7 mph. Gusty and erratic
                    winds expected near thunderstorms early in the
                    morning. Gusty and erratic winds expected near
                    thunderstorms early in the afternoon.
Mixing height.......Max 3600 ft AGL.
Transport winds.....West 10 to 12 mph shifting to the northwest 8
                    to 12 mph in the afternoon.
Smoke dispersal.....Poor (960 m/s-m) early in the morning
                    increasing to marginal max (5120 m/s-m) in the
                    afternoon.

$$
Forecaster...Elmore
Requested by...Remi Bolton
Type of request...WILDFIRE
.TAG 2517854.0/LSX
.DELDT 07/11/25
.FormatterVersion 2.0.0