896
FPUS53 KLSX 162134
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
434 PM CDT Thu Jul 16 2026

ILZ100-101-MOZ061-063-064-170500-
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
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the mid 70s. Southwest winds around 5 mph. Chance of rain
50 percent.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Humid with highs in the lower 90s. West winds 5 to
10 mph. Chance of rain 40 percent. Heat index values up to 101.
.FRIDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat
index values up to 101 early in the evening.
.SATURDAY...Sunny with a slight chance of showers and
thunderstorms. Humid with highs in the lower 90s. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 105.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. A slight chance of showers and thunderstorms.
Humid with lows in the mid 70s. West winds 5 to 10 mph. Chance of
rain 20 percent. Heat index values up to 102 early in the
evening.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 100.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs in the mid 90s.
Lows in the mid 70s. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 70.
Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.

$$

MOZ042-049-050-170500-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the lower 70s. Southwest winds around 5 mph. Chance of
rain 50 percent.
.FRIDAY...Mostly sunny. Humid with highs in the upper 80s. West
winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest
winds 5 to 10 mph. Gusts up to 20 mph after midnight.
.SATURDAY...Sunny with highs in the lower 90s. West winds 5 to
10 mph with gusts up to 20 mph.
.SATURDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 70s. West winds
5 to 10 mph. Chance of rain 20 percent.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 100.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower
90s. Lows in the upper 60s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.

$$

MOZ041-047-048-170500-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the lower 70s. Southwest winds around 5 mph. Chance of
rain 50 percent.
.FRIDAY...Mostly sunny. Highs in the lower 90s. Southwest winds
5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 70s. Southwest
winds 5 to 10 mph.
.SATURDAY...Sunny with highs in the lower 90s. West winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 102 in
the afternoon.
.SATURDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
West winds 5 to 10 mph.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Hot. Highs in the
mid 90s. Lows in the mid 70s. Heat index values up to 105.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Hot. Highs in the mid
90s. Lows around 70. Heat index values up to 100.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the upper
80s. Lows in the mid 60s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-170500-
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
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy this evening, then becoming partly
cloudy. Lows in the lower 70s. Southwest winds around 5 mph.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Humid with highs around 90. West
winds 5 to 10 mph. Chance of rain 40 percent.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly clear after midnight.
Humid with lows in the mid 70s. Southwest winds 5 to 10 mph.
Chance of rain 20 percent.
.SATURDAY...Sunny with highs in the lower 90s. West winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 103.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Humid with lows in the lower 70s. West winds 5 to
10 mph, becoming northwest after midnight. Chance of rain
20 percent. Heat index values up to 101 early in the evening.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 70s.
Highs in the lower 90s. Heat index values up to 105.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Lows in the mid 70s. Chance of rain 20 percent. Heat index values
up to 105 early in the evening.
.TUESDAY...Mostly sunny. Highs in the lower 90s.
.TUESDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Lows in the mid 60s. Chance of rain 20 percent.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 20 percent.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.

$$

ILZ069-070-074-170500-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy with a slight
chance of showers and thunderstorms after midnight. Lows in the
lower 70s. Southwest winds around 5 mph this evening, becoming
light and variable. Chance of rain 50 percent.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Humid with highs in the upper 80s. West winds
around 5 mph. Chance of rain 50 percent. Heat index values up to
102.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear after midnight.
Humid with lows in the mid 70s. Southwest winds around 5 mph.
Chance of rain 30 percent. Heat index values up to 101 early in
the evening.
.SATURDAY...Sunny. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon. Humid with highs in the lower 90s. West winds 5 to
10 mph. Chance of rain 40 percent. Heat index values up to 105.
.SATURDAY NIGHT...Mostly clear with a chance of showers and
thunderstorms in the evening, then partly cloudy with a slight
chance of showers and thunderstorms after midnight. Humid with
lows in the lower 70s. West winds around 5 mph. Chance of rain
40 percent. Heat index values up to 102 early in the evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Chance of
rain 20 percent. Heat index values up to 100.
.SUNDAY NIGHT...Mostly clear. Lows around 70.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs in the lower 90s.
Lows in the mid 70s. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the upper
60s. Highs in the lower 80s. Heat index values up to 100.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$

MOZ074-084-085-099-170500-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows around 70. West winds around 5 mph. Chance of rain
50 percent.
.FRIDAY...Mostly sunny. Humid with highs in the upper 80s. West
winds 5 to 10 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 70s. Southwest winds around
5 mph.
.SATURDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. West winds 5 to 10 mph. Chance of
rain 20 percent. Heat index values up to 100.
.SATURDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Humid with lows in the lower 70s.
West winds around 5 mph. Chance of rain 20 percent.
.SUNDAY...Sunny. A chance of showers and thunderstorms in the
afternoon. Highs around 90. Chance of rain 40 percent. Heat index
values up to 100.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. 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 upper
60s. Highs in the mid 80s. Heat index values up to 100.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$

MOZ051-052-060-170500-
Montgomery MO-Lincoln MO-Warren MO-
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the lower 70s. Southwest winds around 5 mph. Chance of
rain 50 percent.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Humid with highs around 90. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 101.
.FRIDAY NIGHT...Mostly clear. Humid with lows in the lower 70s.
Southwest winds 5 to 10 mph.
.SATURDAY...Sunny with highs in the lower 90s. West winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 103.
.SATURDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms after midnight. Humid with lows in the lower 70s.
West winds around 5 mph. Chance of rain 20 percent. Heat index
values up to 101 early in the evening.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs around 90. Chance of rain 20 percent. Heat
index values up to 100.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower
90s. Lows in the upper 60s. Heat index values up to 100.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.

$$

ILZ058-059-098-099-170500-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy with a slight
chance of showers and thunderstorms after midnight. Lows in the
lower 70s. Southwest winds around 5 mph. Chance of rain
40 percent.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Humid with highs around 90. West winds 5 to
10 mph. Chance of rain 50 percent. Heat index values up to 100.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear with a slight
chance of showers and thunderstorms after midnight. Humid with
lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of
rain 50 percent.
.SATURDAY...Sunny. A slight chance of showers and thunderstorms
in the afternoon. Humid with highs in the lower 90s. West winds
5 to 10 mph. Chance of rain 20 percent. Heat index values up to
103.
.SATURDAY NIGHT...Mostly clear with a slight chance of showers
and thunderstorms in the evening, then partly cloudy after
midnight. Humid with lows in the lower 70s. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to
100 early in the evening.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 60s.
.MONDAY...Mostly sunny. Highs in the lower 90s. Heat index values
up to 105.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Lows in the mid 70s. Chance of rain 20 percent. Heat index values
up to 100 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower
90s. Lows in the upper 60s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ060-064-065-170500-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms this evening, then partly cloudy with a slight
chance of showers and thunderstorms after midnight. Lows in the
lower 70s. Southwest winds around 5 mph. Chance of rain
50 percent.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Humid with highs in the upper 80s. West winds 5 to
10 mph. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear with a slight
chance of showers and thunderstorms after midnight. Humid with
lows in the lower 70s. Southwest winds around 5 mph. Chance of
rain 50 percent.
.SATURDAY...Sunny. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon. Humid with highs around 90. West winds 5 to 10 mph.
Chance of rain 40 percent. Heat index values up to 103.
.SATURDAY NIGHT...Mostly clear with a chance of showers and
thunderstorms in the evening, then partly cloudy with a slight
chance of showers and thunderstorms after midnight. Humid with
lows in the lower 70s. West winds 5 to 10 mph, becoming northwest
after midnight. Chance of rain 40 percent. Heat index values up
to 100 early in the evening.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 60s.
.MONDAY...Mostly sunny. Highs around 90. Heat index values up to
100.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Lows in the lower 70s. Chance of rain 20 percent. Heat index
values up to 100 early in the evening.
.TUESDAY...Mostly sunny. Highs around 90. Heat index values up to
100.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower
60s. Highs in the lower 80s.

$$

ILZ079-MOZ075-170500-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with thunderstorms likely with a chance
of showers this evening, then partly cloudy after midnight. Lows
in the lower 70s. Southwest winds around 5 mph. Chance of rain
60 percent.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Humid with highs around 90. West
winds 5 to 10 mph. Chance of rain 30 percent. Heat index values
up to 101.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Humid with lows in the lower 70s. Southwest winds
around 5 mph. Heat index values up to 101 early in the evening.
.SATURDAY...Sunny with a slight chance of showers and
thunderstorms. Humid with highs in the lower 90s. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 104.
.SATURDAY NIGHT...Mostly clear with a slight chance of showers
and thunderstorms in the evening, then partly cloudy after
midnight. Humid with lows in the lower 70s. West winds around
5 mph. Chance of rain 20 percent. Heat index values up to
102 early in the evening.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs around 90. Chance of rain 30 percent. Heat
index values up to 100.
.SUNDAY NIGHT...Mostly clear. Lows around 70.
.MONDAY...Mostly sunny. Highs in the lower 90s. Heat index values
up to 105.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 70s. Heat index values up to
105 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 90s.
Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$

MOZ059-062-072-073-170500-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with showers and thunderstorms likely
this evening, then partly cloudy after midnight. Lows around 70.
Southwest winds around 5 mph. Chance of rain 60 percent.
.FRIDAY...Mostly sunny. Humid with highs in the upper 80s. West
winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest
winds 5 to 10 mph.
.SATURDAY...Sunny with a slight chance of showers and
thunderstorms. Humid with highs in the lower 90s. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 101.
.SATURDAY NIGHT...Mostly clear. Humid with lows in the lower 70s.
West winds around 5 mph.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 100.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 90s.
Lows in the upper 60s. Heat index values up to 100.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ102-MOZ065-170500-
Monroe IL-Jefferson MO-
434 PM CDT Thu Jul 16 2026

.TONIGHT...Mostly cloudy with showers and thunderstorms likely
this evening, then partly cloudy after midnight. Lows in the
lower 70s. Southwest winds around 5 mph. Chance of rain
60 percent.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Humid with highs around 90. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 102.
.FRIDAY NIGHT...Mostly clear. Humid with lows in the lower 70s.
Southwest winds around 5 mph. Heat index values up to 100 early
in the evening.
.SATURDAY...Sunny. A slight chance of showers and thunderstorms
in the morning. Humid with highs in the lower 90s. West winds
5 to 10 mph. Chance of rain 20 percent. Heat index values up to
104.
.SATURDAY NIGHT...Mostly clear with a slight chance of showers
and thunderstorms. Humid with lows in the lower 70s. West winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
102 early in the evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s. Chance of
rain 20 percent. Heat index values up to 105.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Hot. Highs in the mid
90s. Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY...Mostly sunny. Not as warm with highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.

$$