Fall Creek, Illinois Weather Forecast Discussion

340
FXUS63 KLSX 241931
AFDLSX
Area Forecast Discussion
National Weather Service Saint Louis MO
231 PM CDT Wed Sep 24 2025
.KEY MESSAGES...
- Mainly scattered showers will gradually push southeast tonight and
  exit the area.
- Dry weather is forecast into next week along with daytime
  temperatures moderating back above normal starting Friday.
&&
.SHORT TERM...  (Through Late Thursday Afternoon)
Issued at 228 PM CDT Wed Sep 24 2025
GOES-16 water vapor imagery shows an area of vorticity moving
toward southwest Missouri early this afternoon. This feature
combined with weak low/mid level frontogenesis and a slight uptick
in diurnal instability is expected to yield more prevalent shower
activity late this afternoon into early this evening. Mainly
scattered showers are expected, though there may be brief periods
of more widespread showers across parts of east central and
southeast Missouri through early this evening. A rumble or two of
thunder is also possible, though this should be the exception, not
the rule. The more robust showers may be fairly efficient, with
precipitable water values still near 1.50" along/south of
I-44/I-70 in Missouri/Illinois respectively. The instability that
is available, while meager, is also tall/thin looking at
soundings. Therefore, while most areas will not see much in the
way of additional rainfall (

NWS LSX Office Area Forecast Discussion