630
FPUS53 KLSX 312003
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
303 PM CDT Sun May 31 2026

ILZ100-101-MOZ061-063-064-010400-
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
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
thunderstorms and numerous showers after midnight. Lows in the
mid 60s. Southeast winds around 5 mph. Chance of rain 80 percent.
.MONDAY...Mostly sunny. Scattered showers and thunderstorms in
the morning. Highs in the lower 80s. Northeast winds 5 to 10 mph.
Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the lower
80s. Lows in the upper 50s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.FRIDAY...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 upper 80s. Chance of
rain 30 percent.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the upper 60s. Chance of rain 40 percent.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the upper 80s. Lows in the upper 60s.
Chance of rain 50 percent.

$$

MOZ042-049-050-010400-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy with scattered showers and thunderstorms
this evening, then mostly cloudy with showers and thunderstorms
after midnight. Lows in the mid 60s. Southeast winds around
5 mph. Chance of rain 80 percent.
.MONDAY...Mostly sunny. Scattered showers and thunderstorms in
the morning. Highs in the mid 80s. East winds around 5 mph,
becoming north in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 80.
Lows in the upper 50s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid
80s. Lows in the lower 60s.
.FRIDAY...Mostly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the mid 80s. Chance
of rain 40 percent.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly cloudy with a chance of
showers and thunderstorms. Lows in the mid 60s. Highs in the mid
80s. Chance of rain 50 percent.

$$

MOZ041-047-048-010400-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy with scattered showers and thunderstorms
this evening, then mostly cloudy with showers and thunderstorms
after midnight. Lows in the mid 60s. Southeast winds around
5 mph. Chance of rain 80 percent.
.MONDAY...Mostly sunny. Scattered showers and thunderstorms in
the morning. Highs in the mid 80s. Northeast winds 5 to 10 mph.
Chance of rain 50 percent.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. East winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
80s. Lows in the upper 50s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.FRIDAY...Mostly sunny with a chance of showers. A chance of
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly cloudy with a chance of
showers and thunderstorms. Lows in the mid 60s. Highs in the
upper 80s. Chance of rain 50 percent.

$$

ILZ095>097-MOZ018-019-026-027-034>036-010400-
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
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
numerous showers and thunderstorms after midnight. Lows in the
lower 60s. Southeast winds 5 to 10 mph. Chance of rain
70 percent.
.MONDAY...Mostly sunny. Scattered showers and thunderstorms in
the morning. Highs in the lower 80s. Northeast winds around
5 mph. Chance of rain 40 percent.
.MONDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
80s. Lows in the upper 50s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 20 percent.
.FRIDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the upper 80s. Lows in the mid 60s.
Chance of rain 50 percent.

$$

ILZ069-070-074-010400-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
scattered showers and thunderstorms after midnight. Lows in the
lower 60s. East winds around 5 mph this evening, becoming light
and variable. Chance of rain 50 percent.
.MONDAY...Mostly cloudy with numerous showers and thunderstorms
in the morning, then mostly sunny in the afternoon. Highs in the
lower 80s. Northeast winds around 5 mph. Chance of rain
70 percent.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds around 5 mph.
.TUESDAY...Sunny. Highs around 80. Northeast winds 5 to 10 mph.
.TUESDAY NIGHT...Clear. Lows in the mid 50s. Northeast winds 5 to
10 mph.
.WEDNESDAY...Sunny. Highs around 80.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper
50s. Highs in the mid 80s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.FRIDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the mid 80s. Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
upper 60s. Chance of rain 30 percent.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of showers
and thunderstorms. Highs in the mid 80s. Lows in the upper 60s.
Chance of rain 40 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 mid 80s. Chance of rain
50 percent.

$$

MOZ074-084-085-099-010400-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy. Scattered showers and thunderstorms
after midnight. Lows in the mid 60s. Southeast winds around 5 mph
this evening, becoming light and variable. Chance of rain
50 percent.
.MONDAY...Mostly sunny. Numerous showers and thunderstorms,
mainly in the morning. Highs in the mid 80s. North winds around
5 mph. Chance of rain 70 percent.
.MONDAY NIGHT...Mostly clear with scattered showers with isolated
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the lower 60s. Northeast winds around 5 mph. Chance of
rain 30 percent.
.TUESDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the lower
80s. Lows in the mid 50s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of
showers. Highs in the mid 80s. Lows in the mid 60s.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the mid 80s. Lows in the upper 60s.
Chance of rain 50 percent.

$$

MOZ051-052-060-010400-
Montgomery MO-Lincoln MO-Warren MO-
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy with isolated showers and thunderstorms
this evening, then mostly cloudy with thunderstorms and numerous
showers after midnight. Lows in the lower 60s. Southeast winds
around 5 mph. Chance of rain 80 percent.
.MONDAY...Mostly sunny. Scattered showers and thunderstorms in
the morning. Highs in the lower 80s. Northeast winds around
5 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows around 60. Northeast winds around 5 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 80.
Lows in the mid 50s.
.THURSDAY...Sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.FRIDAY...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 mid 80s. Chance of
rain 40 percent.
.FRIDAY NIGHT...Mostly 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 mid 60s. Chance of
rain 40 percent.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the mid 80s. Lows in the mid 60s.
Chance of rain 50 percent.

$$

ILZ058-059-098-099-010400-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
numerous showers and thunderstorms after midnight. Lows in the
lower 60s. Southeast winds around 5 mph. Chance of rain
70 percent.
.MONDAY...Partly sunny with scattered showers and thunderstorms
in the morning, then sunny in the afternoon. Highs in the lower
80s. Northeast winds 5 to 10 mph. Chance of rain 40 percent.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 80.
Lows in the mid 50s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the mid
80s. Lows in the lower 60s.
.FRIDAY...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 mid 80s. Chance of
rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the mid 60s. Chance of rain 50 percent.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the upper 80s. Lows in the mid 60s.
Chance of rain 50 percent.

$$

ILZ060-064-065-010400-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
scattered showers and thunderstorms after midnight. Lows in the
lower 60s. Southeast winds around 5 mph. Chance of rain
50 percent.
.MONDAY...Mostly sunny. Scattered showers and thunderstorms in
the morning. Highs around 80. East winds around 5 mph. Chance of
rain 50 percent.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT...Clear. Lows in the mid 50s. East winds 5 to
10 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid
50s. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 60s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly cloudy with a chance of
showers after midnight. Lows in the mid 60s. Chance of rain
40 percent.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A chance of showers
and thunderstorms. Highs in the mid 80s. Lows in the mid 60s.
Chance of rain 50 percent.
.SUNDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 40 percent.

$$

ILZ079-MOZ075-010400-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
303 PM CDT Sun May 31 2026

.TONIGHT...Mostly clear this evening, then partly cloudy with
scattered showers and thunderstorms after midnight. Lows in the
mid 60s. Southeast winds around 5 mph. Chance of rain 50 percent.
.MONDAY...Mostly cloudy with numerous showers and thunderstorms
in the morning, then mostly sunny in the afternoon. Highs in the
lower 80s. Northeast winds around 5 mph. Chance of rain
70 percent.
.MONDAY NIGHT...Mostly clear with isolated showers and
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of
rain 20 percent.
.TUESDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper
50s. Highs in the mid 80s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of
showers. Highs in the mid 80s. Lows in the mid 60s.
.SATURDAY...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 mid 80s. Chance of
rain 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 60s. Chance of
rain 40 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 mid 80s. Chance of rain
50 percent.

$$

MOZ059-062-072-073-010400-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
showers and thunderstorms after midnight. Lows in the mid 60s.
Southeast winds around 5 mph this evening, becoming light and
variable. Chance of rain 80 percent.
.MONDAY...Partly sunny with showers and thunderstorms in the
morning, then sunny in the afternoon. Highs in the mid 80s. North
winds around 5 mph. Chance of rain 80 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s. Northeast winds around
5 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the lower
80s. Lows in the mid 50s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.FRIDAY...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 mid 80s. Chance of
rain 40 percent.
.FRIDAY NIGHT...Mostly 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 mid 60s. Chance of
rain 40 percent.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the mid 80s. Lows in the upper 60s.
Chance of rain 50 percent.

$$

ILZ102-MOZ065-010400-
Monroe IL-Jefferson MO-
303 PM CDT Sun May 31 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
numerous showers and thunderstorms after midnight. Lows in the
lower 60s. Southeast winds around 5 mph. Chance of rain
70 percent.
.MONDAY...Mostly sunny. Showers and thunderstorms in the morning.
Highs in the lower 80s. Northeast winds around 5 mph, becoming
north in the afternoon. Chance of rain 80 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s. Northeast winds around
5 mph.
.TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds
around 5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 80.
Lows in the upper 50s.
.THURSDAY...Sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.FRIDAY...Mostly sunny with a 20 percent chance of showers. Highs
in the mid 80s.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the mid
60s. Chance of rain 30 percent.
.SATURDAY...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 mid 80s. Chance of
rain 50 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. 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 morning, then a chance of thunderstorms
in the afternoon. Highs in the mid 80s. Chance of rain
50 percent.

$$