297
FPUS53 KLSX 230627
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
127 AM CDT Thu Jul 23 2026

ILZ100-101-MOZ061-063-064-231400-
Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO-
Saint Louis City MO-
Including the cities of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, and Saint Louis
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the mid 60s. East winds
around 5 mph.
.FRIDAY...Partly sunny with a slight chance of showers in the
morning, then mostly cloudy with a chance of showers in the
afternoon. Highs around 80. Southeast winds around 5 mph. Chance
of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight. Lows in the mid 60s.
Southeast winds around 5 mph. Chance of rain 70 percent.
.SATURDAY...Mostly cloudy with a chance of showers and
thunderstorms in the morning, then partly sunny in the afternoon.
Highs in the upper 80s. Chance of rain 50 percent. Heat index
values up to 100 in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat
index values up to 100 early in the evening.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the lower 90s.
Lows in the mid 70s. Heat index values up to 110.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 110.
.MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 110 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 105.
.WEDNESDAY...Mostly sunny. Highs around 90.

$$

MOZ042-049-050-231400-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Near steady temperature in the
mid 60s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. East winds around 5 mph. Chance of
rain 20 percent.
.FRIDAY...Showers likely in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon. Highs in
the mid 70s. Southeast winds 5 to 10 mph. Chance of rain
70 percent.
.FRIDAY NIGHT...Mostly cloudy with showers likely with a chance
of thunderstorms. Lows in the upper 60s. Southeast winds 5 to
10 mph. Chance of rain 70 percent.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Warmer with highs in the upper 80s.
Chance of rain 20 percent. Heat index values up to 105 in the
afternoon.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
70s. Highs around 90. Heat index values up to 100.

$$

MOZ041-047-048-231400-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Near steady temperature in the
mid 60s. East winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. A chance of showers after
midnight. Lows in the mid 60s. East winds 5 to 10 mph. Chance of
rain 40 percent.
.FRIDAY...Showers likely in the morning, then a chance of showers
and thunderstorms in the afternoon. Highs in the upper 70s.
Southeast winds 5 to 10 mph. Chance of rain 70 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight. Near steady temperature in the lower 70s. Southeast
winds 5 to 10 mph. Chance of rain 70 percent.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Warmer with highs in the lower 90s.
Chance of rain 20 percent. Heat index values up to 105 in the
afternoon.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
mid 70s. Highs in the upper 90s. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the mid
70s. Highs in the lower 90s. Heat index values up to 100.

$$

ILZ095>097-MOZ018-019-026-027-034>036-231400-
Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Monroe MO-Ralls MO-Pike MO-
Including the cities of Quincy, Mount Sterling, Pittsfield,
Hannibal, and Bowling Green
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the upper 50s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs around 80. East winds around
5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.FRIDAY...Mostly cloudy. A chance of showers in the morning, then
showers likely with a slight chance of thunderstorms in the
afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph.
Chance of rain 70 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight. Lows in the mid 60s.
Southeast winds 5 to 10 mph. Chance of rain 70 percent.
.SATURDAY...Partly sunny. A slight chance of showers in the
morning. Warmer with highs in the upper 80s. Chance of rain
20 percent.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the lower
70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
70s. Highs in the upper 80s.

$$

ILZ069-070-074-231400-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Partly sunny in the morning, then mostly cloudy with a
chance of showers in the afternoon. Highs around 80. Light and
variable winds, becoming east around 5 mph in the afternoon.
Chance of rain 30 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight. Lows in the mid 60s. East winds around
5 mph in the evening, becoming light and variable. Chance of rain
70 percent.
.SATURDAY...Showers likely with a chance of thunderstorms in the
morning, then partly sunny in the afternoon. Highs in the mid
80s. Chance of rain 70 percent.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower
70s. Highs in the lower 90s. Heat index values up to 105.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 115 in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 110 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 90s.
Lows in the lower 70s. Heat index values up to 105.
.WEDNESDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

MOZ074-084-085-099-231400-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Partly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. East
winds around 5 mph. Chance of rain 20 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight. Lows in the upper 60s. Southeast winds around 5 mph.
Chance of rain 70 percent.
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
Heat index values up to 105 in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat
index values up to 100 early in the evening.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 105.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 105.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows in the mid
70s. Highs in the upper 90s. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 105 early in the evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Chance of
rain 20 percent.

$$

MOZ051-052-060-231400-
Montgomery MO-Lincoln MO-Warren MO-
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Near steady temperature in the
lower 60s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 60s. East winds around 5 mph.
.FRIDAY...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms. Highs in the upper 70s. Southeast winds
around 5 mph. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight. Lows in the mid 60s. Southeast winds around 5 mph.
Chance of rain 70 percent.
.SATURDAY...Partly sunny. A chance of showers and thunderstorms
in the morning. Warmer with highs in the upper 80s. Chance of
rain 30 percent. Heat index values up to 105 in the afternoon.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
70s. Highs in the lower 90s. Heat index values up to 105.

$$

ILZ058-059-098-099-231400-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Near steady temperature in the
lower 60s. Northeast winds around 5 mph.
.THURSDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows around 60. East winds
around 5 mph.
.FRIDAY...Partly sunny with a slight chance of showers in the
morning, then mostly cloudy with a chance of showers in the
afternoon. Highs in the upper 70s. Southeast winds around 5 mph.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight. Lows in the lower 60s.
Southeast winds around 5 mph. Chance of rain 70 percent.
.SATURDAY...Mostly cloudy with a chance of showers and
thunderstorms in the morning, then partly sunny in the afternoon.
Highs in the mid 80s. Chance of rain 50 percent.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs in the mid 90s.
Lows in the mid 70s. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 70.
Highs in the upper 80s. Heat index values up to 100.

$$

ILZ060-064-065-231400-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the upper 50s.
Northeast winds around 5 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 60. Northeast winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Partly sunny in the morning, then mostly cloudy with a
chance of showers in the afternoon. Highs in the upper 70s. East
winds around 5 mph. Chance of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. A chance
of thunderstorms after midnight. Lows in the lower 60s. Southeast
winds around 5 mph. Chance of rain 50 percent.
.SATURDAY...Showers likely with a chance of thunderstorms in the
morning, then partly sunny in the afternoon. Highs in the mid
80s. Chance of rain 60 percent.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
60s. Highs in the lower 90s. Heat index values up to 105.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the lower
70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Heat index values
up to 100 early in the evening.
.WEDNESDAY...Sunny. Highs in the upper 80s.

$$

ILZ079-MOZ075-231400-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs around 80. Northeast winds around
5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.FRIDAY...Partly sunny in the morning, then mostly cloudy with a
chance of showers in the afternoon. Highs in the lower 80s. East
winds around 5 mph. Chance of rain 30 percent.
.FRIDAY NIGHT...Cloudy. A chance of showers with a slight chance
of thunderstorms in the evening, then showers likely with a
chance of thunderstorms after midnight. Lows in the mid 60s.
Southeast winds around 5 mph. Chance of rain 70 percent.
.SATURDAY...Showers likely with a chance of thunderstorms in the
morning, then partly sunny with a slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Chance of
rain 70 percent. Heat index values up to 100 in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower
70s. Highs in the lower 90s. Heat index values up to 110.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 110.
.MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 110 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 110.
.WEDNESDAY...Mostly sunny. Highs in the lower 90s.

$$

MOZ059-062-072-073-231400-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Near steady temperature in the
mid 60s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.FRIDAY...Mostly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs around 80. Southeast
winds around 5 mph. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight. Lows in the upper 60s. Southeast winds around 5 mph.
Chance of rain 70 percent.
.SATURDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Warmer with highs around 90. Chance of
rain 40 percent. Heat index values up to 105 in the afternoon.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
lower 70s. Highs in the upper 90s. Heat index values up to 110.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 105 early in the evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Chance of
rain 20 percent.

$$

ILZ102-MOZ065-231400-
Monroe IL-Jefferson MO-
127 AM CDT Thu Jul 23 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. East winds
around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.FRIDAY...Partly sunny with a slight chance of showers in the
morning, then mostly cloudy with a chance of showers in the
afternoon. Highs in the lower 80s. Southeast winds around 5 mph.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight. Lows in the mid 60s.
Southeast winds around 5 mph. Chance of rain 70 percent.
.SATURDAY...Mostly cloudy with a chance of showers and
thunderstorms in the morning, then partly sunny with a slight
chance of showers and thunderstorms in the afternoon. Highs in
the upper 80s. Chance of rain 50 percent. Heat index values up to
105 in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower
70s. Highs in the mid 90s. Heat index values up to 110.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 110 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 110.
.MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 110 early in the evening.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs in the mid 90s.
Lows in the lower 70s. Heat index values up to 110.

$$