753
FNUS73 KLSX 021521
FWSLSX

Spot Forecast for SITL Training...FEMA
National Weather Service Saint Louis MO
1021 AM CDT Thu Apr 2 2026

Forecast is based on forecast start time of 1100 CDT on April 02.
If conditions become unrepresentative, contact the
National Weather Service.

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.DISCUSSION...
Very breezy southerly winds are expected through this evening ahead
of a cold front. Speeds will weaken by late evening, with lighter
southerly winds favored through Friday. Dry weather is favored
into early this afternoon but chances of showers increase into
the evening. The best chances (50-60%) are from about 4 to 6 PM.
Some of the storms may be strong to severe, with large hail, damaging
wind gusts, and even a tornado all possible. Dry weather is favored
for the most part overnight tonight through Friday before chances
increase again Friday night.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (75-85 percent). Showers likely
                    and chance of thunderstorms in the afternoon.
CWR.................42 percent.
Chance of thunder...37 percent.
Temperature.........73 at forecast start...Max 76.
RH..................71 percent at forecast start...Min 62 percent.
Surface winds (mph).South winds 24 to 28 mph with gusts to around
                    40 mph.
Mixing height.......2900 ft AGL at forecast start...otherwise max
                    4400 ft AGL.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
Sky (%).........72  81  90  92  92  92  90  83  67  48  10  22
Weather cov.....    SCH SCH CHC LKY LKY LKY CHC CHC CHC CHC CHC
Weather type....    RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........        SCH CHC CHC CHC CHC CHC CHC CHC CHC SCH
CWR.............40  40  40  40  40  40  40  30  30  30  30  30
Chc of thdr (%).0   0   20  30  30  40  40  40  30  30  30  20
Temp............73  74  76  76  75  74  71  70  70  69  69  68
RH..............71  69  64  62  64  66  79  81  81  81  81  84
Surface wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Surface wnd spd.26  26  28  28  26  25  24  23  22  21  20  18
Surface wnd gst.37  39  39  40  39  38  37  35  32  35  31  30
Mix hgt (kft)...2.9 3.4 4.2 4.4 4.0 2.5 2.1 1.3 0.8 0.8 0.8 0.8

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    partly cloudy (25-35 percent) then becoming
                    mostly cloudy (55-65 percent). Chance of
                    showers and thunderstorms in the evening, then
                    showers likely and slight chance of
                    thunderstorms overnight.
CWR.................30 percent.
Chance of thunder...37 percent.
Temperature.........Min 65.
RH..................Max 93 percent.
Surface winds (mph).South winds 13 to 23 mph with gusts to around
                    35 mph shifting to the southwest around 10 mph
                    with gusts to around 20 mph after 3 am.
Mixing height.......Min 700 ft AGL.

.FRIDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Showers likely
                    and chance of thunderstorms.
CWR.................23 percent.
Chance of thunder...43 percent.
Temperature.........Max 80.
RH..................Min 62 percent.
Surface winds (mph).South winds 9 to 17 mph.
Mixing height.......Max 3800 ft AGL.

$$
Forecaster...Gosselin
Requested by...MATT MARKOWSKI
Type of request...HAZMAT
.TAG 2608864.0/LSX
.DELDT 04/02/26
.FormatterVersion 2.0.0