827
FPUS53 KLSX 311054
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
553 AM CDT Fri Jul 31 2026

ILZ100-101-MOZ061-063-064-311800-
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
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the mid
80s. South winds 10 to 15 mph. Chance of rain near 100 percent.
.TONIGHT...Mostly cloudy. Showers with thunderstorms likely in
the evening, then a chance of showers and thunderstorms after
midnight. Humid with lows in the upper 60s. South winds 10 to
15 mph, becoming southwest after midnight. Chance of rain
90 percent.
.SATURDAY...Mostly cloudy. A slight chance of showers in the
morning, then showers likely with a slight chance of
thunderstorms in the afternoon. Highs in the upper 70s. West
winds 10 to 15 mph with gusts up to 25 mph. Chance of rain
70 percent.
.SATURDAY NIGHT...Showers likely with a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the mid 60s. Northwest winds 10 to 15 mph.
Gusts up to 30 mph in the evening. Chance of rain 70 percent.
.SUNDAY...Partly sunny with a 40 percent chance of showers. Highs
in the lower 80s. North winds 10 to 15 mph with gusts up to
25 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s.
.MONDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the lower 80s. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the upper 80s.
.THURSDAY...Mostly sunny. Highs around 90. Heat index values up
to 100.

$$

MOZ042-049-050-311800-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the upper
80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain near 100 percent.
.TONIGHT...Mostly cloudy. Showers likely with a chance of
thunderstorms in the evening, then a slight chance of showers
after midnight. Lows in the mid 60s. West winds 10 to 15 mph with
gusts up to 25 mph. Chance of rain 70 percent.
.SATURDAY...Mostly cloudy. A chance of showers in the morning,
then showers likely with a slight chance of thunderstorms in the
afternoon. Cooler with highs in the mid 70s. Northwest winds
15 to 20 mph with gusts up to 35 mph. Chance of rain 60 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers in the
evening, then partly cloudy with a slight chance of showers after
midnight. Lows in the mid 60s. North winds 15 to 20 mph. Gusts up
to 35 mph in the evening. Chance of rain 40 percent.
.SUNDAY...Mostly sunny. Highs in the lower 80s. North winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s.
.MONDAY NIGHT...Clear. Lows in the mid 60s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs around 90.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of showers and thunderstorms after
midnight. Lows in the upper 60s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs around 90. Chance of rain
20 percent.

$$

MOZ041-047-048-311800-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the lower
90s. South winds 10 to 15 mph, becoming southwest this afternoon.
Chance of rain near 100 percent. Heat index values up to 103 this
afternoon.
.TONIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly cloudy with a slight
chance of showers after midnight. Lows in the upper 60s. West
winds 10 to 15 mph with gusts up to 25 mph. Chance of rain
50 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 50 percent chance of showers. Much cooler with highs in
the mid 70s. Northwest winds 15 to 20 mph with gusts up to
30 mph.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
in the evening, then partly cloudy after midnight. Lows in the
upper 60s. North winds 10 to 15 mph. Gusts up to 30 mph in the
evening. Chance of rain 20 percent.
.SUNDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph
with gusts up to 20 mph.
.SUNDAY NIGHT...Clear. Lows in the mid 60s.
.MONDAY...Sunny. Highs in the mid 80s.
.MONDAY NIGHT...Clear. Lows in the mid 60s.
.TUESDAY...Sunny. Highs around 90.
.TUESDAY NIGHT...Clear. Lows in the upper 60s.
.WEDNESDAY...Sunny. Highs in the lower 90s.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 70s. Chance of
rain 20 percent.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Chance of
rain 20 percent. Heat index values up to 100 in the afternoon.

$$

ILZ095>097-MOZ018-019-026-027-034>036-311800-
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
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the mid
80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain near 100 percent.
.TONIGHT...Mostly cloudy. Showers with a chance of thunderstorms
in the evening, then a chance of showers with a slight chance of
thunderstorms after midnight. Lows in the upper 60s. Southwest
winds around 10 mph, becoming west after midnight. Gusts up to
30 mph. Chance of rain 90 percent.
.SATURDAY...Mostly cloudy with a slight chance of thunderstorms.
A chance of showers in the morning, then showers likely in the
afternoon. Highs in the mid 70s. Northwest winds 15 to 20 mph
with gusts up to 35 mph. Chance of rain 70 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of showers, mainly in
the evening. Lows in the mid 60s. North winds 15 to 20 mph. Gusts
up to 35 mph in the evening. Chance of rain 50 percent.
.SUNDAY...Mostly sunny. Highs in the lower 80s. North winds 10 to
15 mph with gusts up to 25 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s.
.MONDAY NIGHT...Clear. Lows in the lower 60s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 60s.
Highs in the upper 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 60s. Highs in the
upper 80s. Chance of rain 20 percent.

$$

ILZ069-070-074-311800-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
553 AM CDT Fri Jul 31 2026

.TODAY...Partly sunny with a chance of showers this morning, then
showers likely with a chance of thunderstorms this afternoon.
Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain
70 percent.
.TONIGHT...Showers with thunderstorms likely. Lows in the upper
60s. South winds around 10 mph with gusts up to 20 mph. Chance of
rain 90 percent.
.SATURDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the afternoon. Highs in the upper 70s. West
winds around 10 mph with gusts up to 20 mph. Chance of rain
60 percent.
.SATURDAY NIGHT...Showers likely with a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the mid 60s. Northwest winds 10 to 15 mph.
Chance of rain 70 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 50 percent chance of showers. Highs around 80. North
winds 10 to 15 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 60s.
.MONDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the lower 80s. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Sunny. A chance of showers in the afternoon. Highs in
the mid 80s. Chance of rain 40 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s.
.WEDNESDAY...Sunny. A slight chance of showers and thunderstorms
in the afternoon. Highs in the upper 80s. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s.
.THURSDAY...Mostly sunny. Highs in the upper 80s. Heat index
values up to 100.

$$

MOZ074-084-085-099-311800-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
553 AM CDT Fri Jul 31 2026

.TODAY...Mostly cloudy with a chance of thunderstorms. Showers
likely, mainly this morning. Highs in the mid 80s. South winds
5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms. Showers
likely, mainly in the evening. Humid with lows in the upper 60s.
South winds 5 to 10 mph, becoming southwest after midnight.
Chance of rain 70 percent.
.SATURDAY...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Cooler with highs in
the mid 70s. West winds 5 to 10 mph with gusts up to 25 mph.
Chance of rain 50 percent.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of
showers. Lows in the mid 60s. Northwest winds 5 to 10 mph with
gusts up to 25 mph.
.SUNDAY...Partly sunny with a 40 percent chance of showers. Highs
in the upper 70s. North winds 5 to 10 mph with gusts up to
25 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.MONDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the lower 90s.
.THURSDAY...Mostly sunny. Highs in the lower 90s. Heat index
values up to 100.

$$

MOZ051-052-060-311800-
Montgomery MO-Lincoln MO-Warren MO-
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the mid
80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain near 100 percent.
.TONIGHT...Mostly cloudy. Showers with a chance of thunderstorms
in the evening, then a slight chance of showers after midnight.
Lows in the mid 60s. South winds 5 to 10 mph, becoming west after
midnight. Gusts up to 25 mph. Chance of rain 90 percent.
.SATURDAY...Mostly cloudy. A chance of showers in the morning,
then showers likely with a slight chance of thunderstorms in the
afternoon. Cooler with highs in the mid 70s. Northwest winds
10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of
showers. Lows in the mid 60s. North winds 15 to 20 mph with gusts
up to 30 mph, diminishing to around 10 mph with gusts up to
20 mph after midnight.
.SUNDAY...Mostly sunny. Highs in the lower 80s. North winds
around 10 mph with gusts up to 25 mph.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 60s. Highs in the lower 80s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the upper 80s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs around 90. Chance of rain
20 percent. Heat index values up to 100 in the afternoon.

$$

ILZ058-059-098-099-311800-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the lower
80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain near 100 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms. Showers,
mainly in the evening. Lows in the mid 60s. Southeast winds 10 to
15 mph, becoming southwest after midnight. Chance of rain
90 percent.
.SATURDAY...Mostly cloudy. A chance of showers in the morning,
then showers likely with a chance of thunderstorms in the
afternoon. Highs in the mid 70s. West winds 10 to 15 mph. Gusts
up to 30 mph in the afternoon. Chance of rain 70 percent.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of showers. Lows in the mid
60s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of
rain 50 percent.
.SUNDAY...Partly sunny with a 20 percent chance of showers. Highs
around 80. North winds 10 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 60s. Highs in the lower 80s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 60s.
.WEDNESDAY...Sunny. A slight chance of showers and thunderstorms
in the afternoon. Highs in the upper 80s. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the upper 80s. Chance of
rain 20 percent.

$$

ILZ060-064-065-311800-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
553 AM CDT Fri Jul 31 2026

.TODAY...Showers. A chance of thunderstorms this afternoon. Highs
in the lower 80s. South winds 10 to 15 mph with gusts up to
25 mph. Chance of rain near 100 percent.
.TONIGHT...Showers with thunderstorms likely. Lows in the upper
60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain 90 percent.
.SATURDAY...Mostly cloudy. A slight chance of showers in the
morning, then showers likely with a slight chance of
thunderstorms in the afternoon. Highs in the mid 70s. West winds
5 to 10 mph. Chance of rain 70 percent.
.SATURDAY NIGHT...Showers likely with a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the mid 60s. North winds 10 to 15 mph. Chance
of rain 70 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 40 percent chance of showers. Highs in the upper 70s.
North winds 10 to 15 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s.
.MONDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the lower 80s. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s.
.TUESDAY...Sunny. A chance of showers in the afternoon. Highs in
the mid 80s. Chance of rain 40 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 60s.
.WEDNESDAY...Sunny. A slight chance of showers and thunderstorms
in the afternoon. Highs in the mid 80s. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers after
midnight. Lows in the upper 60s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Chance of
rain 20 percent.

$$

ILZ079-MOZ075-311800-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
553 AM CDT Fri Jul 31 2026

.TODAY...Showers likely. A slight chance of thunderstorms this
morning, then a chance of thunderstorms this afternoon. Highs in
the mid 80s. South winds 5 to 10 mph. Chance of rain 70 percent.
.TONIGHT...Showers with thunderstorms likely in the evening, then
showers likely with a chance of thunderstorms after midnight.
Humid with lows in the upper 60s. South winds around 10 mph,
becoming southwest after midnight. Chance of rain 90 percent.
.SATURDAY...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs in the upper 70s.
West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain
50 percent.
.SATURDAY NIGHT...Showers likely, mainly in the evening. Lows in
the mid 60s. Northwest winds 10 to 15 mph with gusts up to
25 mph. Chance of rain 60 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
sunny. A 40 percent chance of showers. Highs in the upper 70s.
North winds around 10 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.MONDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the lower 80s. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs around 90.
.THURSDAY...Mostly sunny. Highs in the lower 90s. Heat index
values up to 105.

$$

MOZ059-062-072-073-311800-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers, mainly this morning.
Highs in the upper 80s. South winds 5 to 10 mph with gusts up to
20 mph. Chance of rain near 100 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms. Showers
likely, mainly in the evening. Lows in the upper 60s. South winds
5 to 10 mph, becoming west after midnight. Gusts up to 25 mph.
Chance of rain 70 percent.
.SATURDAY...Mostly cloudy. A slight chance of showers in the
morning, then showers likely with a slight chance of
thunderstorms in the afternoon. Cooler with highs in the mid 70s.
West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain
70 percent.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of
showers. Lows in the mid 60s. Northwest winds 10 to 15 mph with
gusts up to 25 mph.
.SUNDAY...Partly sunny with a 20 percent chance of showers. Highs
around 80. North winds 5 to 10 mph with gusts up to 20 mph.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 60s. Highs in the lower 80s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the lower 90s.
.THURSDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 90s. Chance of rain 20 percent. Heat
index values up to 100.

$$

ILZ102-MOZ065-311800-
Monroe IL-Jefferson MO-
553 AM CDT Fri Jul 31 2026

.TODAY...A chance of thunderstorms. Showers. Highs in the mid
80s. South winds 5 to 10 mph. Chance of rain near 100 percent.
.TONIGHT...Mostly cloudy. Showers with thunderstorms likely in
the evening, then a chance of showers and thunderstorms after
midnight. Humid with lows in the upper 60s. South winds 5 to
10 mph, becoming southwest after midnight. Chance of rain
90 percent.
.SATURDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the afternoon. Highs in the mid 70s. West winds
around 10 mph with gusts up to 25 mph. Chance of rain 60 percent.
.SATURDAY NIGHT...Showers likely, mainly in the evening. Lows in
the mid 60s. Northwest winds 5 to 10 mph with gusts up to 25 mph.
Chance of rain 70 percent.
.SUNDAY...Partly sunny with a 40 percent chance of showers. Highs
around 80. North winds 5 to 10 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.MONDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the lower 80s. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs around 90.
.THURSDAY...Mostly sunny. Highs in the lower 90s. Heat index
values up to 105.

$$