927
FPUS53 KLSX 311148
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
648 AM CDT Sun May 31 2026

ILZ100-101-MOZ061-063-064-311900-
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
648 AM CDT Sun May 31 2026

.TODAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Southeast winds around
5 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A chance of thunderstorms. Showers. Lows in the mid 60s.
Southeast winds around 5 mph. Chance of rain 80 percent.
.MONDAY...Mostly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the mid 80s. East winds around
5 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.TUESDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows in the upper 50s.
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 mid 60s.
.FRIDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Chance of rain 20 percent.
.FRIDAY 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 40 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 upper 80s. Chance of
rain 50 percent.

$$

MOZ042-049-050-311900-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
648 AM CDT Sun May 31 2026

.TODAY...Mostly cloudy this morning, then becoming partly sunny.
A chance of thunderstorms. Showers likely, mainly this morning.
Highs in the mid 80s. Southeast winds 5 to 10 mph with gusts up
to 20 mph. Chance of rain 70 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance
of showers in the evening, then showers after midnight. Lows in
the mid 60s. Southeast winds around 5 mph. Chance of rain
80 percent.
.MONDAY...Mostly sunny. A chance of 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 partly cloudy
with a slight chance of showers after midnight. Lows in the lower
60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
.TUESDAY...Mostly sunny. Highs in the lower 80s. East winds 5 to
10 mph.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper
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 in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the mid 80s. Chance of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers. Lows in the mid 60s. Chance of rain
40 percent.
.SATURDAY...Partly sunny. A chance of showers with a slight
chance of thunderstorms in the morning, then showers likely with
a chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 60 percent.

$$

MOZ041-047-048-311900-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
648 AM CDT Sun May 31 2026

.TODAY...Mostly cloudy this morning, then becoming partly sunny.
A chance of thunderstorms. Showers likely, mainly this morning.
Highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of
rain 70 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance
of showers in the evening, then showers likely after midnight.
Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain
70 percent.
.MONDAY...Mostly sunny. A chance of showers and thunderstorms in
the morning. Highs in the upper 80s. Northeast winds around
5 mph, becoming north around 5 mph in the afternoon. Chance of
rain 50 percent.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. Northeast winds around 5 mph.
Chance of rain 20 percent.
.TUESDAY...Mostly sunny. Highs in the mid 80s. East winds 5 to
10 mph.
.TUESDAY NIGHT THROUGH 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
morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 80s. Chance of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers. Lows in the upper 60s. Chance of rain
40 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. 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.

$$

ILZ095>097-MOZ018-019-026-027-034>036-311900-
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
648 AM CDT Sun May 31 2026

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

$$

ILZ069-070-074-311900-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
648 AM CDT Sun May 31 2026

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

$$

MOZ074-084-085-099-311900-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
648 AM CDT Sun May 31 2026

.TODAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Southeast winds around
5 mph. Chance of rain 20 percent.
.TONIGHT...Showers likely. A chance of thunderstorms, mainly in
the evening. Lows in the mid 60s. Southeast winds around 5 mph in
the evening, becoming light and variable. Chance of rain
70 percent.
.MONDAY...Mostly sunny with a chance of thunderstorms. Showers
likely, mainly in the morning. Highs in the mid 80s. North winds
around 5 mph. Chance of rain 70 percent.
.MONDAY NIGHT...Mostly clear with a slight chance of showers in
the evening, then partly cloudy after midnight. Lows in the lower
60s. Northeast winds around 5 mph. Chance of rain 20 percent.
.TUESDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows in the mid 50s. Highs
around 80.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid
50s. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. 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. A slight chance of showers after
midnight. Lows in the mid 60s. Chance of rain 20 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.

$$

MOZ051-052-060-311900-
Montgomery MO-Lincoln MO-Warren MO-
648 AM CDT Sun May 31 2026

.TODAY...Mostly cloudy this morning, then becoming partly sunny.
A chance of thunderstorms. A chance of showers this morning, then
showers likely this afternoon. Highs in the lower 80s. Southeast
winds around 5 mph. Chance of rain 60 percent.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight. Lows in the lower
60s. Southeast winds around 5 mph. Chance of rain 70 percent.
.MONDAY...Partly sunny. A chance of showers and thunderstorms in
the morning. Highs in the mid 80s. Northeast winds around 5 mph.
Chance of rain 50 percent.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. 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 THROUGH 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 upper 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers and thunderstorms. Lows in the
mid 60s. Chance of rain 40 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 upper 80s. Chance of
rain 50 percent.

$$

ILZ058-059-098-099-311900-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
648 AM CDT Sun May 31 2026

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

$$

ILZ060-064-065-311900-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
648 AM CDT Sun May 31 2026

.TODAY...Partly sunny. Highs around 80. Southeast winds 5 to
10 mph.
.TONIGHT...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 lower 60s. East winds
around 5 mph. Chance of rain 50 percent.
.MONDAY...Mostly sunny with a slight chance of thunderstorms.
Showers likely, mainly in the morning. Highs in the lower 80s.
East winds around 5 mph. Chance of rain 60 percent.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.TUESDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows in the mid 50s. 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. 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
thunderstorms. 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 40 percent.

$$

ILZ079-MOZ075-311900-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
648 AM CDT Sun May 31 2026

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

$$

MOZ059-062-072-073-311900-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
648 AM CDT Sun May 31 2026

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

$$

ILZ102-MOZ065-311900-
Monroe IL-Jefferson MO-
648 AM CDT Sun May 31 2026

.TODAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Southeast winds around
5 mph. Chance of rain 20 percent.
.TONIGHT...Showers likely with a chance of thunderstorms. Lows in
the mid 60s. Southeast winds around 5 mph. Chance of rain
70 percent.
.MONDAY...Partly sunny. Showers likely with a chance of
thunderstorms in the morning, then a slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Southeast
winds around 5 mph, becoming northeast in the afternoon. Chance
of rain 70 percent.
.MONDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a slight chance of showers. Lows in the lower
60s. Northeast winds around 5 mph. Chance of rain 20 percent.
.TUESDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows in the mid 50s. 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...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Chance of rain 20 percent.
.FRIDAY 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 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 upper 80s. Chance of
rain 50 percent.

$$