869
FPUS53 KLSX 161828
ZFPLSX

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

ILZ100-101-MOZ061-063-064-170200-
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
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Showers and thunderstorms likely. Near steady
temperature in the upper 80s. North winds around 5 mph. Chance of
rain 60 percent.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Humid with 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 AND SUNDAY...Mostly clear. A slight chance of
showers and thunderstorms. Lows in the mid 70s. 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.

$$

MOZ042-049-050-170200-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Partly sunny with showers and thunderstorms
likely. Near steady temperature in the upper 80s. Southwest winds
around 5 mph. Chance of rain 60 percent.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Humid with 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 AND SUNDAY...Mostly clear. A slight chance of
showers and thunderstorms. Lows in the lower 70s. 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...Mostly sunny. Highs in the mid 80s.

$$

MOZ041-047-048-170200-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Partly sunny with showers and thunderstorms
likely. Near steady temperature in the mid 80s. Temperature
falling into the mid 80s late. Southwest winds around 5 mph.
Chance of rain 60 percent.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Humid with 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 THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in
the mid 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 around 70. Heat index values up to 100.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-170200-
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
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Mostly sunny with a slight chance of showers
and thunderstorms. Near steady temperature around 90. Southwest
winds around 5 mph. Chance of rain 20 percent.
.TONIGHT...Mostly cloudy in the 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 AND SUNDAY...Mostly clear. A slight chance of
showers and thunderstorms. Lows in the lower 70s. Highs in the
upper 80s. Chance of rain 20 percent. Heat index values up to
100.
.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.

$$

ILZ069-070-074-170200-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Showers and thunderstorms likely. Near steady
temperature in the upper 80s. South winds around 5 mph. Chance of
rain 60 percent.
.TONIGHT...Mostly cloudy 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. Southwest winds around 5 mph in the
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. Lows in the
lower 70s. Chance of rain 40 percent. Heat index values up to
100 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.

$$

MOZ074-084-085-099-170200-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Showers and thunderstorms likely. Near steady
temperature in the mid 80s. Southwest winds around 5 mph. Chance
of rain 60 percent.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Humid with 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. Lows in the lower 70s. 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.

$$

MOZ051-052-060-170200-
Montgomery MO-Lincoln MO-Warren MO-
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s. West
winds around 5 mph. Chance of rain 50 percent.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Humid with 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 AND SUNDAY...Mostly clear. A slight chance of
showers and thunderstorms. Lows in the lower 70s. 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.

$$

ILZ058-059-098-099-170200-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s. East
winds around 5 mph. Chance of rain 50 percent.
.TONIGHT...Mostly cloudy 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. 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. Lows in the lower 70s. 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.

$$

ILZ060-064-065-170200-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Southwest winds around 5 mph. Chance of rain 50 percent.
.TONIGHT...Mostly cloudy 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. 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. Lows in the
lower 70s. 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.

$$

ILZ079-MOZ075-170200-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Showers and thunderstorms likely. Near steady
temperature in the mid 80s. Southwest winds around 5 mph. Chance
of rain 60 percent.
.TONIGHT...Mostly cloudy with thunderstorms likely with a chance
of showers in the evening, then partly cloudy after midnight.
Humid with 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. Lows in the lower 70s. Chance of rain 20 percent. Heat
index values up to 100 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.

$$

MOZ059-062-072-073-170200-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Showers and thunderstorms likely. Near steady
temperature in the mid 80s. Temperature falling into the mid 80s
late. West winds around 5 mph. Chance of rain 60 percent.
.TONIGHT...Mostly cloudy with showers and thunderstorms likely in
the evening, then partly cloudy after midnight. Humid with 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. Lows in the lower 70s.
.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.

$$

ILZ102-MOZ065-170200-
Monroe IL-Jefferson MO-
128 PM CDT Thu Jul 16 2026

.THIS AFTERNOON...Showers and thunderstorms likely. Near steady
temperature in the upper 80s. Southwest winds around 5 mph.
Chance of rain 60 percent.
.TONIGHT...Mostly cloudy with showers and thunderstorms likely in
the evening, then partly cloudy after midnight. Humid with 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. Lows in the lower 70s. Chance of rain
20 percent. Heat index values up to 100 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.

$$