199
FLUS43 KLSX 111055
HWOLSX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
555 AM CDT MON MAY 11 2026
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-121100-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-
CALHOUN IL-JERSEY IL-MADISON IL-SAINT CLAIR IL-MONROE IL-KNOX MO-
LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO-
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
LINCOLN MO-GASCONADE MO-WARREN MO-SAINT CHARLES MO-FRANKLIN MO-
SAINT LOUIS MO-SAINT LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
555 AM CDT MON MAY 11 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.
DAYS ONE THROUGH SEVEN
TODAY THROUGH SUNDAY.
MORE DETAILED INFORMATION CAN BE ACCESSED AT:
HTTPS://WWW.WEATHER.GOV/MEDIA/LSX/DSSPACKET.PDF
THE AREA FORECAST DISCUSSION IS AVAILABLE AT:
HTTPS://FORECAST.WEATHER.GOV/
PRODUCT.PHP?ISSUEDBY=LSX&PRODUCT=AFD&SITE=LSX
KEY MESSAGES
- MODERATING TEMPERATURES ARE EXPECTED THROUGH TUESDAY AHEAD OF A
COLD
FRONT. THERE IS A CHANCE (30-70%) OF SHOWERS AND THUNDERSTORMS
TUESDAY AFTERNOON/EVENING WITH THE FRONTAL PASSAGE.
- AFTER A BRIEF COOL DOWN WEDNESDAY - THURSDAY, ABOVE-NORMAL
TEMPERATURES ARE FORECAST BEGINNING FRIDAY.
NOTE: STARTING MAY 29, 2026, THIS OUTLOOK PRODUCT WILL BE
DISCONTINUED. PLEASE SEE THE ABOVE PRODUCTS FOR MORE DETAILED
FORECAST INFORMATION.
WFO LSX
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