993
FPUS53 KLSX 152248
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
548 PM CDT Tue Sep 15 2026

ILZ100-101-MOZ061-063-064-160600-
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
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. A chance of showers and thunderstorms. Lows in the mid
70s. Southeast winds around 5 mph. Chance of rain 50 percent.
Heat index values up to 101 early this evening.
.WEDNESDAY...Partly sunny. A chance of showers in the morning,
then a slight chance of showers and thunderstorms in the
afternoon. Humid with highs in the mid 90s. East winds around
5 mph, becoming south in the afternoon. Chance of rain
50 percent. Heat index values up to 104.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the mid 70s. South winds around 5 mph. Chance
of rain 20 percent. Heat index values up to 102 early in the
evening.
.THURSDAY...Sunny, hot with highs in the upper 90s. Southwest
winds around 5 mph, becoming northwest around 5 mph in the
afternoon. Heat index values up to 106.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Humid with lows in the lower 70s. North winds
around 5 mph, becoming east after midnight. Heat index values up
to 102 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 105.
.SATURDAY...Mostly sunny. Hot with highs in the mid 90s.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the lower 70s. Chance of rain 30 percent.
.SUNDAY...Mostly sunny. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Highs in the lower 90s. Chance of
rain 40 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 60s. Chance of
rain 40 percent.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 40 percent chance of showers. Highs in the lower 80s.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of
showers. Lows in the lower 60s. Highs in the lower 80s.

$$

MOZ049-160600-
Osage MO-
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Mostly cloudy with a chance of showers. A chance of
thunderstorms, mainly this evening. Lows in the lower 70s. East
winds around 5 mph. Chance of rain 40 percent.
.WEDNESDAY...Partly sunny. A chance of showers in the morning,
then a slight chance of showers and thunderstorms in the
afternoon. Hot with highs in the mid 90s. East winds around
5 mph, becoming south in the afternoon. Chance of rain
40 percent. Heat index values up to 103.
.WEDNESDAY NIGHT...Mostly clear. A chance of showers with a
slight chance of thunderstorms in the evening. Lows in the mid
70s. South winds around 5 mph. Chance of rain 30 percent. Heat
index values up to 100 early in the evening.
.THURSDAY...Sunny. A slight chance of showers in the afternoon.
Hot with highs in the mid 90s. Southwest winds around 5 mph.
Chance of rain 20 percent. Heat index values up to 104.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light and
variable winds, becoming southeast around 5 mph after midnight.
Heat index values up to 100 early in the evening.
.FRIDAY THROUGH SATURDAY...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 100.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the lower 70s. Chance of rain 40 percent.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the upper 80s.
Lows in the mid 60s. Chance of rain 50 percent.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 30 percent chance of showers. Cooler with highs in the
upper 70s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the lower 60s.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the upper 70s.

$$

MOZ042-050-160600-
Audrain MO-Callaway MO-
Including the cities of Mexico and Fulton
548 PM CDT Tue Sep 15 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Northeast winds around
5 mph. Chance of rain 50 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming mostly
sunny. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. Highs around 90. East winds around 5 mph,
becoming southeast in the afternoon. Chance of rain 50 percent.
Heat index values up to 100 in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 70s. Southeast
winds around 5 mph, becoming south after midnight. Chance of rain
20 percent.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Southwest winds around
5 mph. Chance of rain 20 percent. Heat index values up to 102.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 70. Southeast winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the lower 90s.
Lows in the lower 70s.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 90s. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 60s. Chance of
rain 50 percent.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the mid 80s. Lows
in the lower 60s. Chance of rain 50 percent.
.MONDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the mid 70s. Chance of rain 40 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 20 percent chance of showers. Lows in the upper
50s.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the mid 70s.

$$

MOZ047-048-160600-
Moniteau MO-Cole MO-
Including the city of Jefferson City
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. A chance of showers. A chance of thunderstorms, mainly
this evening. Lows in the lower 70s. East winds around 5 mph,
becoming northeast after midnight. Chance of rain 50 percent.
Heat index values up to 100 early this evening.
.WEDNESDAY...Mostly cloudy in the morning, then becoming mostly
sunny. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. Hot with highs in the mid 90s. East winds
around 5 mph, becoming south around 5 mph in the afternoon.
Chance of rain 40 percent. Heat index values up to 103 in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 70s. Southeast
winds around 5 mph. Chance of rain 20 percent. Heat index values
up to 102 early in the evening.
.THURSDAY...Sunny. A slight chance of showers and thunderstorms
in the afternoon. Hot with highs in the upper 90s. Southwest
winds around 5 mph. Chance of rain 20 percent. Heat index values
up to 105 in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light and
variable winds. Heat index values up to 101 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 100.
.SATURDAY...Mostly sunny with a 20 percent chance of showers. Hot
with highs in the mid 90s.
.SATURDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the lower 70s. Chance
of rain 50 percent.
.SUNDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon. Highs in the upper 80s. Chance of rain
50 percent.
.SUNDAY NIGHT...A slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows in the mid 60s.
Chance of rain 50 percent.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 40 percent chance of showers. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the lower 60s.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the upper 70s.

$$

MOZ041-160600-
Boone MO-
Including the city of Columbia
548 PM CDT Tue Sep 15 2026

.TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance
of showers this evening, then showers likely after midnight. Lows
in the upper 60s. Northeast winds around 5 mph. Chance of rain
70 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming mostly
sunny. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. Highs in the lower 90s. East winds around
5 mph, becoming southeast in the afternoon. Chance of rain
50 percent. Heat index values up to 100 in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers in
the evening. Humid with lows in the lower 70s. Southeast winds
around 5 mph. Chance of rain 20 percent.
.THURSDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 90s. Southwest winds around 5 mph. Chance of
rain 20 percent. Heat index values up to 104 in the afternoon.
.THURSDAY NIGHT...Mostly clear. Humid with lows in the lower 70s.
Southeast winds around 5 mph. Heat index values up to 100 early
in the evening.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the lower 90s.
Lows in the lower 70s. Heat index values up to 100.
.SATURDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the lower 90s.
.SATURDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 60s. Chance of
rain 50 percent.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the mid 80s. Lows
in the mid 60s. Chance of rain 50 percent.
.MONDAY...Mostly cloudy with a chance of showers in the morning,
then partly sunny with a slight chance of showers in the
afternoon. Highs in the mid 70s. Chance of rain 40 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 20 percent chance of showers. Lows in the lower
60s.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the mid 70s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-160600-
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
548 PM CDT Tue Sep 15 2026

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

$$

ILZ069-070-074-160600-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms. Lows in the
mid 70s. South winds around 5 mph. Chance of rain 20 percent.
Heat index values up to 101 early this evening.
.WEDNESDAY...Mostly sunny with a slight chance of thunderstorms.
A chance of showers, mainly in the morning. Hot with highs in the
mid 90s. Southeast winds around 5 mph, becoming southwest around
5 mph in the afternoon. Chance of rain 30 percent. Heat index
values up to 104.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the mid 70s. South winds around 5 mph. Chance
of rain 20 percent. Heat index values up to 102 early in the
evening.
.THURSDAY...Sunny, hot with highs in the upper 90s. Southwest
winds around 5 mph, becoming northwest in the afternoon. Heat
index values up to 105.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. North
winds around 5 mph in the evening, becoming light and variable.
Heat index values up to 101 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 105.
.SATURDAY...Mostly sunny. Hot with highs in the mid 90s.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 70s. Chance of rain 20 percent.
.SUNDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the lower 90s.
Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy with a chance of showers. A slight
chance of thunderstorms after midnight. Lows in the upper 60s.
Chance of rain 40 percent.
.MONDAY...Partly sunny. A slight chance of showers in the
morning, then a chance of showers in the afternoon. Highs in the
mid 80s. Chance of rain 40 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening. Lows in the lower 60s. Chance of rain 20 percent.
.TUESDAY...Partly sunny. Highs in the lower 80s.

$$

MOZ074-084-085-099-160600-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

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

$$

MOZ060-160600-
Warren MO-
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southeast winds around
5 mph this evening, becoming light and variable. Chance of rain
50 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming mostly
sunny. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. Humid with highs in the lower 90s. East
winds around 5 mph, becoming south in the afternoon. Chance of
rain 50 percent. Heat index values up to 103 in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then mostly clear
after midnight. Humid with lows in the lower 70s. Light and
variable winds, becoming south around 5 mph after midnight.
Chance of rain 30 percent. Heat index values up to 101 early in
the evening.
.THURSDAY...Sunny, hot with highs in the mid 90s. West winds
around 5 mph. Heat index values up to 105.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Humid with lows in the lower 70s. Light and
variable winds. Heat index values up to 101 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 100.
.SATURDAY...Mostly sunny. Hot with highs in the mid 90s.
.SATURDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows around 70. Chance of rain
40 percent.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the upper 80s.
Lows in the mid 60s. Chance of rain 40 percent.
.MONDAY...Mostly cloudy with a 30 percent chance of showers.
Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 20 percent chance of showers. Lows in the lower
60s.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the upper 70s.

$$

MOZ051-052-160600-
Montgomery MO-Lincoln MO-
548 PM CDT Tue Sep 15 2026

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southeast winds around
5 mph, becoming northeast after midnight. Chance of rain
50 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming mostly
sunny. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. Humid with highs in the lower 90s.
Northeast winds around 5 mph, becoming south in the afternoon.
Chance of rain 50 percent. Heat index values up to 101 in the
afternoon.
.WEDNESDAY 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. Southeast winds
around 5 mph. Chance of rain 20 percent.
.THURSDAY...Sunny. Highs in the mid 90s. West winds around 5 mph.
Heat index values up to 104.
.THURSDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Humid with lows in the lower 70s. Light and variable winds,
becoming east around 5 mph after midnight. Chance of rain
20 percent. Heat index values up to 101 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the lower 90s.
Lows in the lower 70s. Heat index values up to 100.
.SATURDAY...Mostly sunny. Highs in the lower 90s.
.SATURDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the upper 60s. Chance
of rain 50 percent.
.SUNDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the mid 80s. Chance
of rain 50 percent.
.SUNDAY NIGHT...A slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows in the mid 60s.
Chance of rain 40 percent.
.MONDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the upper 70s. Chance of rain 30 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of
showers. Lows around 60. Highs in the mid 70s.

$$

ILZ058-059-098-099-160600-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
548 PM CDT Tue Sep 15 2026

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

$$

ILZ060-065-160600-
Montgomery IL-Fayette IL-
Including the cities of Litchfield and Vandalia
548 PM CDT Tue Sep 15 2026

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

$$

ILZ064-160600-
Bond IL-
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

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

$$

ILZ079-MOZ075-160600-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Mostly clear with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the mid 70s. South winds around 5 mph. Chance of rain
20 percent. Heat index values up to 101 early this evening.
.WEDNESDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Hot with highs
in the mid 90s. South winds around 5 mph. Chance of rain
20 percent. Heat index values up to 105.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 70s. South winds around 5 mph. Heat index
values up to 101 early in the evening.
.THURSDAY...Sunny, hot with highs in the upper 90s. West winds
around 5 mph. Heat index values up to 106.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light and
variable winds. Heat index values up to 101 early in the evening.
.FRIDAY THROUGH SATURDAY...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 105.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 70s. Chance of rain 20 percent.
.SUNDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the lower 90s.
Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy with a chance of showers. A slight
chance of thunderstorms after midnight. Lows in the upper 60s.
Chance of rain 30 percent.
.MONDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the mid 80s. Chance
of rain 50 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of
showers. Lows in the lower 60s. Highs in the lower 80s.

$$

MOZ059-062-072-073-160600-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Partly cloudy. A chance of showers and thunderstorms,
mainly this evening. Lows in the lower 70s. Southeast winds
around 5 mph. Chance of rain 50 percent.
.WEDNESDAY...Mostly sunny. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Hot with highs in the mid 90s.
Southeast winds around 5 mph, becoming southwest in the
afternoon. Chance of rain 40 percent. Heat index values up to
103.
.WEDNESDAY NIGHT...Mostly clear. A chance of showers with a
slight chance of thunderstorms in the evening. Lows in the lower
70s. South winds around 5 mph. Chance of rain 30 percent. Heat
index values up to 100 early in the evening.
.THURSDAY...Sunny, hot with highs in the mid 90s. West winds
around 5 mph. Heat index values up to 105.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light and
variable winds. Heat index values up to 101 early in the evening.
.FRIDAY THROUGH SATURDAY...Mostly clear. Hot. Highs in the mid
90s. Lows in the lower 70s. Heat index values up to 100.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of showers. Lows
around 70. Chance of rain 20 percent.
.SUNDAY...Mostly sunny. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Highs around 90. Chance of rain
40 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the mid 60s. Chance of
rain 40 percent.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 50 percent chance of showers. Cooler with highs around
80.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 20 percent chance of showers. Lows in the lower
60s.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the upper 70s.

$$

ILZ102-MOZ065-160600-
Monroe IL-Jefferson MO-
548 PM CDT Tue Sep 15 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY...

.TONIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 70s. Southeast winds around 5 mph.
Chance of rain 20 percent. Heat index values up to 101 early this
evening.
.WEDNESDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Hot with highs
in the mid 90s. South winds around 5 mph. Chance of rain
20 percent. Heat index values up to 106.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then mostly clear
after midnight. Lows in the mid 70s. South winds around 5 mph.
Chance of rain 30 percent. Heat index values up to 102 early in
the evening.
.THURSDAY...Sunny, hot with highs in the upper 90s. West winds
around 5 mph. Heat index values up to 107.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light and
variable winds. Heat index values up to 103 early in the evening.
.FRIDAY...Sunny, hot with highs in the mid 90s. Heat index values
up to 105.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Hot. Lows in the
lower 70s. Highs in the upper 90s. Heat index values up to 105.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 70s. Chance of rain 20 percent.
.SUNDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the lower 90s.
Chance of rain 20 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the mid 60s. Chance of
rain 40 percent.
.MONDAY...Partly sunny with a 40 percent chance of showers. Highs
in the lower 80s.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of
showers. Lows in the lower 60s. Highs around 80.

$$