953
FPUS53 KLSX 090923
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
423 AM CDT Sat May 9 2026

ILZ100-101-MOZ061-063-064-091700-
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
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Patchy dense
fog this morning. Highs around 80. West winds 10 to 15 mph.
.TONIGHT...Partly cloudy with scattered showers with isolated
thunderstorms in the evening, then mostly cloudy with isolated
showers after midnight. Lows in the mid 50s. Southwest winds
around 5 mph, becoming north after midnight. Chance of rain
40 percent.
.SUNDAY...Partly sunny. Cooler with highs in the upper 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Cooler with lows in the mid 40s. North winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. North winds 5 to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs around 80.
.TUESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear after midnight.
Lows in the upper 50s. Chance of rain 30 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs in the
lower 80s. Chance of rain 20 percent.

$$

MOZ042-049-050-091700-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Patchy dense
fog this morning. Not as cool with highs around 80. West winds
10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Isolated thunderstorms in the evening. Mostly cloudy
with scattered showers. Lows in the lower 50s. West winds 5 to
10 mph, becoming north with gusts up to 20 mph after midnight.
Chance of rain 50 percent.
.SUNDAY...Partly sunny. Cooler with highs in the mid 60s.
Northeast winds 5 to 10 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Cooler with lows in the lower 40s. Northeast winds
5 to 10 mph in the evening, becoming light and variable.
.MONDAY...Sunny. Highs in the lower 70s. West winds around 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. A slight chance of
showers and thunderstorms. Highs around 80. Lows in the mid 50s.
Chance of rain 20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs in the
mid 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-091700-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Areas of dense
fog this morning. Not as cool with highs in the lower 80s. West
winds 5 to 10 mph with gusts up to 20 mph.
.TONIGHT...Isolated thunderstorms in the evening. Mostly cloudy
with scattered showers. Lows in the mid 50s. West winds around
5 mph, becoming north with gusts up to 20 mph after midnight.
Chance of rain 50 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
sunny. Cooler with highs in the upper 60s. Northeast winds 5 to
10 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Cooler with lows in the lower 40s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.MONDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 50. Highs
in the lower 80s.
.TUESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs around 80. Lows in
the lower 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows around 60. Highs in the upper
80s. Chance of rain 20 percent.

$$

MOZ018-019-091700-
Knox MO-Lewis MO-
423 AM CDT Sat May 9 2026

.TODAY...Patchy fog this morning. Mostly sunny. Not as cool with
highs in the lower 80s. West winds 10 to 15 mph with gusts up to
25 mph.
.TONIGHT...Mostly cloudy. Isolated showers and thunderstorms in
the evening. Lows around 50. Northwest winds 5 to 10 mph,
becoming north after midnight. Chance of rain 20 percent.
.SUNDAY...Mostly sunny. Cooler with highs in the upper 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds 5 to 10 mph in the evening, becoming light and variable.
.MONDAY...Sunny. Highs in the mid 70s. Southwest winds around
5 mph, becoming west around 5 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the lower 80s.
Chance of rain 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 50s. Chance of
rain 40 percent.
.FRIDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ095>097-MOZ026-027-034>036-091700-
Adams IL-Brown IL-Pike IL-Shelby MO-Marion MO-Monroe MO-Ralls MO-
Pike MO-
Including the cities of Quincy, Mount Sterling, Pittsfield,
Hannibal, and Bowling Green
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Patchy dense fog this morning. Sunny. Not as cool with
highs in the lower 80s. West winds 10 to 15 mph with gusts up to
25 mph.
.TONIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms in the evening, then isolated showers after
midnight. Lows in the lower 50s. West winds 5 to 10 mph, becoming
north after midnight. Chance of rain 50 percent.
.SUNDAY...Mostly sunny. Cooler with highs in the upper 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast
winds 5 to 10 mph in the evening, becoming light and variable.
.MONDAY...Sunny. Highs in the lower 70s. West winds around 5 mph.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs around 80. Chance of rain 30 percent.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 50s. Chance of
rain 40 percent.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.

$$

ILZ069-070-074-091700-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
423 AM CDT Sat May 9 2026

.TODAY...Partly sunny this morning, then clearing. Highs in the
upper 70s. West winds 5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming mostly
cloudy. Lows in the upper 50s. Southwest winds around 5 mph,
becoming northwest around 5 mph after midnight.
.SUNDAY...Partly sunny. Cooler with highs in the upper 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Cooler with lows in the mid 40s. North winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the upper 60s. Light and variable
winds, becoming north around 5 mph in the afternoon.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Not as cool with lows in
the upper 50s. Chance of rain 30 percent.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Clear. Lows around 50.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of showers. Lows in the mid 50s. Highs around 80.

$$

MOZ074-084-085-099-091700-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Patchy dense
fog this morning. Highs in the lower 80s. West winds around
5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s. Southwest winds around 5 mph in the
evening, becoming light and variable.
.SUNDAY...Partly sunny in the morning, then mostly cloudy with
isolated showers in the afternoon. Cooler with highs in the lower
70s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of
rain 20 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening, then clearing.
Cooler with lows in the mid 40s. North winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. Northeast winds around
5 mph.
.MONDAY NIGHT AND TUESDAY...Clear. Lows in the mid 40s. Highs
around 80.
.TUESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Not as cool with lows in the upper
50s. Chance of rain 20 percent.
.WEDNESDAY...Sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Clear. Lows around 50.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 50s.
.FRIDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.

$$

MOZ051-052-060-091700-
Montgomery MO-Lincoln MO-Warren MO-
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Patchy dense
fog this morning. Not as cool with highs around 80. West winds
5 to 10 mph with gusts up to 20 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Isolated thunderstorms in the evening. Scattered showers.
Lows in the lower 50s. West winds around 5 mph, becoming north
with gusts up to 20 mph after midnight. Chance of rain
50 percent.
.SUNDAY...Partly sunny. Cooler with highs in the mid 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Cooler with lows in the lower 40s. North winds around 5 mph in
the evening, becoming light and variable.
.MONDAY...Sunny. Highs in the lower 70s. West winds around 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs around 80. Chance of rain 20 percent.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the mid 50s. Chance of rain 20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY 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 50s. Chance
of rain 30 percent.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.

$$

ILZ058-059-098-099-091700-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Patchy dense fog this morning. Sunny. Not as cool with
highs in the upper 70s. West winds 10 to 15 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Isolated thunderstorms in the evening. Scattered showers.
Lows in the lower 50s. Southwest winds 5 to 10 mph, becoming
north after midnight. Chance of rain 50 percent.
.SUNDAY...Partly sunny. Cooler with highs in the mid 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Cooler with lows in the lower 40s.
Northeast winds 5 to 10 mph.
.MONDAY...Sunny. Highs around 70. North winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.TUESDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
30 percent.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper
40s. Highs in the mid 70s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of thunderstorms. A slight chance
of showers in the evening, then a chance of showers after
midnight. Lows in the mid 50s. Chance of rain 30 percent.
.FRIDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 80s. Chance of rain 20 percent.

$$

ILZ060-064-065-091700-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
423 AM CDT Sat May 9 2026

.TODAY...Partly sunny this morning, then clearing. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Isolated thunderstorms in the evening. Scattered showers.
Lows in the mid 50s. Southwest winds around 5 mph, becoming north
after midnight. Chance of rain 50 percent.
.SUNDAY...Partly sunny. Cooler with highs in the mid 60s. North
winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Cooler with lows in the lower 40s. North winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the upper 60s. North winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s. Chance of rain 20 percent.
.TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Not as cool with lows in
the mid 50s. Chance of rain 30 percent.
.WEDNESDAY...Sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of showers. Lows in the mid 50s. Highs in the upper 70s.

$$

ILZ079-091700-
Randolph IL-
Including the cities of Chester and Sparta
423 AM CDT Sat May 9 2026

.TODAY...Partly sunny this morning, then clearing. Highs around
80. West winds 5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming mostly
cloudy. Lows in the mid 50s. Southwest winds around 5 mph,
becoming northwest after midnight.
.SUNDAY...Partly sunny in the morning, then becoming mostly
cloudy. Cooler with highs in the upper 60s. North winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy in the evening, then clearing.
Cooler with lows in the mid 40s. North winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. Light and variable
winds, becoming north around 5 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Mostly clear with a chance of showers with a
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Not as cool with lows in the upper 50s. Chance of
rain 30 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows around 50.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the mid 50s. Chance of rain 20 percent.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

$$

MOZ075-091700-
Sainte Genevieve MO-
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Highs in the
lower 80s. West winds 5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming mostly
cloudy. Lows in the mid 50s. Southwest winds around 5 mph,
becoming west after midnight.
.SUNDAY...Partly sunny in the morning, then becoming mostly
cloudy. Cooler with highs in the upper 60s. North winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy in the evening, then clearing.
Cooler with lows in the mid 40s. North winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. North winds around
5 mph.
.MONDAY NIGHT...Clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Not as cool with lows in the upper 50s. Chance of rain
20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows around 50.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the upper 50s. Chance of rain 20 percent.
.FRIDAY...Mostly sunny. Highs in the mid 80s.

$$

MOZ059-062-072-073-091700-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Patchy dense
fog this morning. Highs in the lower 80s. West winds 5 to 10 mph.
.TONIGHT...Mostly clear with isolated showers and thunderstorms
in the evening, then mostly cloudy after midnight. Lows in the
mid 50s. Southwest winds around 5 mph, becoming northwest after
midnight. Chance of rain 20 percent.
.SUNDAY...Mostly cloudy. Cooler with highs in the upper 60s.
Northeast winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Cooler with lows in the lower 40s. North winds around 5 mph in
the evening, becoming light and variable.
.MONDAY...Sunny. Highs in the lower 70s. Light and variable
winds, becoming northwest around 5 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the lower 80s.
.TUESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. Chance of
rain 20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows around 50.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs in the
mid 80s. Chance of rain 20 percent.

$$

ILZ102-MOZ065-091700-
Monroe IL-Jefferson MO-
423 AM CDT Sat May 9 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

.TODAY...Partly sunny this morning, then clearing. Patchy dense
fog this morning. Highs in the lower 80s. West winds 5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming mostly
cloudy. Lows in the mid 50s. Southwest winds around 5 mph,
becoming northwest after midnight.
.SUNDAY...Partly sunny in the morning, then becoming mostly
cloudy. Cooler with highs in the upper 60s. North winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Cooler with lows in the mid 40s. North winds around 5 mph.
.MONDAY...Sunny. Highs in the lower 70s. Light and variable
winds, becoming north around 5 mph in the afternoon.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs around 80.
.TUESDAY NIGHT...Mostly clear. A chance of showers with a slight
chance of thunderstorms in the evening. Not as cool with lows in
the upper 50s. Chance of rain 30 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the upper 70s.
Lows around 50.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the upper 50s. Chance of rain 20 percent.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.

$$