018
FPUS53 KLSX 191704
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
1203 PM CDT Sun Jul 19 2026

ILZ100-101-MOZ061-063-064-200100-
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
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northeast winds around 5 mph. Chance of rain 50 percent. Heat
index values up to 104.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Patchy smoke after midnight. Humid with lows in
the lower 70s. East winds around 5 mph. Chance of rain
40 percent.
.MONDAY...Patchy smoke in the morning. Mostly sunny. Humid with
highs in the lower 90s. Southeast winds around 5 mph, becoming
south in the afternoon. Heat index values up to 105.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
South winds around 5 mph. Heat index values up to 105 early in
the evening.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Hot with highs in the mid 90s. West
winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in
the afternoon. Chance of rain 20 percent. Heat index values up to
108.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the mid 80s. Heat index values up to 100.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 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 AND FRIDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 80s.
Lows in the upper 60s. Chance of rain 40 percent.
.SATURDAY...Mostly sunny. A chance of showers in the morning.
Highs in the upper 80s. Chance of rain 40 percent.

$$

MOZ049-050-200100-
Osage MO-Callaway MO-
Including the city of Fulton
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s. North
winds around 5 mph. Chance of rain 50 percent. Heat index values
up to 103.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Humid with lows in the lower 70s. East winds
around 5 mph. Chance of rain 40 percent.
.MONDAY...Patchy fog in the morning. Sunny with highs in the mid
90s. South winds around 5 mph, becoming west in the afternoon.
Heat index values up to 105.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 105 early
in the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. West winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the mid 80s. Heat index values up to 100.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms after midnight. Lows in the mid
60s. Chance of rain 40 percent.
.FRIDAY...Partly sunny with a chance of thunderstorms. A chance
of showers. Highs in the lower 80s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the mid 60s. Chance of
rain 40 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

MOZ042-200100-
Audrain MO-
Including the city of Mexico
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT MONDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northeast winds around 5 mph. Chance of rain 50 percent.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Lows around 70. East winds 5 to 10 mph. Chance of
rain 30 percent.
.MONDAY...Sunny with highs in the lower 90s. South winds around
5 mph, becoming southwest around 5 mph in the afternoon. Heat
index values up to 102.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Heat index values up to 102 early in
the evening.
.TUESDAY...Sunny. Highs in the lower 90s. West winds 5 to 10 mph,
becoming northwest with gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 40 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs around 80. Chance of rain
50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly 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...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-200100-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Mostly sunny with a chance of showers and
thunderstorms. Near steady temperature around 90. North winds
around 5 mph. Chance of rain 50 percent. Heat index values up to
104.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Humid with lows in the mid 70s. East winds around
5 mph. Chance of rain 30 percent. Heat index values up to
100 early in the evening.
.MONDAY...Sunny, hot with highs in the mid 90s. South winds
around 5 mph, becoming west in the afternoon. Heat index values
up to 106.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 108 early
in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. West winds
around 5 mph, becoming northwest with gusts up to 20 mph in the
afternoon. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the mid 80s. Heat index values up to 100.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.THURSDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of showers and thunderstorms after midnight.
Lows in the upper 60s. Chance of rain 40 percent.
.FRIDAY...Partly sunny with a chance of thunderstorms. A chance
of showers. Highs in the lower 80s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers. Lows in the upper 60s. Chance
of rain 40 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ095-MOZ018-019-026-027-034>036-200100-
Adams IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-
Pike MO-
Including the cities of Quincy, Hannibal, and Bowling Green
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT MONDAY...

.THIS AFTERNOON...Mostly sunny with a slight chance of showers
and thunderstorms. Near steady temperature in the mid 80s.
Northeast winds around 5 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy. Patchy smoke after midnight. Lows
around 70. East winds around 5 mph.
.MONDAY...Patchy smoke in the morning. Sunny with highs in the
lower 90s. South winds around 5 mph. Heat index values up to 104.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Heat index values up to 105 early in
the evening.
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the morning. Highs in the lower 90s. Northwest winds 10 to
15 mph. Chance of rain 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of showers with a slight chance of
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
40 percent.
.FRIDAY...Partly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the lower 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly 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 30 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

ILZ096-097-200100-
Brown IL-Pike IL-
Including the cities of Mount Sterling and Pittsfield
1203 PM CDT Sun Jul 19 2026

.THIS AFTERNOON...Mostly sunny with a slight chance of showers
and thunderstorms. Patchy smoke. Highs in the upper 80s.
Northeast winds around 5 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy. Patchy smoke. Lows in the upper 60s.
East winds around 5 mph.
.MONDAY...Patchy smoke in the morning. Sunny with highs in the
lower 90s. South winds around 5 mph. Heat index values up to
104 in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of thunderstorms with a slight chance of showers
after midnight. Humid with lows in the mid 70s. Southwest winds
around 5 mph. Gusts up to 20 mph after midnight. Chance of rain
40 percent. Heat index values up to 103 early in the evening.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Northwest
winds 5 to 10 mph. Chance of rain 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers and thunderstorms after
midnight. Lows in the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the lower 80s.
Chance of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly 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 30 percent.
.SATURDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ069-074-200100-
Clinton IL-Washington IL-
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northeast winds around 5 mph. Chance of rain 50 percent. Heat
index values up to 102.
.TONIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Patchy smoke after midnight. Humid
with lows around 70. Northeast winds around 5 mph in the evening,
becoming light and variable. Chance of rain 20 percent.
.MONDAY...Patchy fog and smoke in the morning. Mostly sunny.
Humid with highs in the lower 90s. Light and variable winds. Heat
index values up to 104.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
South winds around 5 mph. Heat index values up to 105 early in
the evening.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Hot with highs in the mid 90s.
Southwest winds 5 to 10 mph, becoming west in the afternoon.
Chance of rain 30 percent. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the lower 80s. Heat index values up to 105.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the lower 60s. Highs in the lower 80s.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 80s.
Lows in the mid 60s. Chance of rain 30 percent.
.SATURDAY...Mostly sunny. A chance of showers in the morning.
Highs in the mid 80s. Chance of rain 30 percent.

$$

ILZ070-200100-
Marion IL-
Including the cities of Centralia and Salem
1203 PM CDT Sun Jul 19 2026

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the mid 80s. Northeast
winds around 5 mph. Chance of rain 30 percent.
.TONIGHT...Partly cloudy. Patchy smoke. Lows in the upper 60s.
Northeast winds around 5 mph in the evening, becoming light and
variable.
.MONDAY...Patchy smoke in the morning. Mostly sunny. Highs around
90. Light and variable winds.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. Southwest winds around
5 mph. Heat index values up to 100 early in the evening.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Humid with highs in the mid 90s.
West winds 5 to 10 mph. Chance of rain 40 percent. Heat index
values up to 107.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s. Heat index values up to 100.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the lower 60s. Highs around 80.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 80s.
Lows in the mid 60s. Chance of rain 30 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

MOZ074-084-085-099-200100-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northwest winds around 5 mph. Chance of rain 50 percent. Heat
index values up to 103.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Patchy fog after midnight. Humid with lows in the lower 70s.
Light and variable winds. Chance of rain 40 percent.
.MONDAY...Mostly sunny. Patchy fog in the morning. A chance of
showers with a slight chance of thunderstorms in the afternoon.
Humid with highs in the lower 90s. Light and variable winds.
Chance of rain 40 percent. Heat index values up to 105.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Light and variable winds, becoming southwest around 5 mph after
midnight. Heat index values up to 103 early in the evening.
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Hot with highs in the upper 90s. West winds around
5 mph. Chance of rain 20 percent. Heat index values up to 109.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the mid 80s. Heat index values up to 105.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the lower 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 AND FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms. Highs in the lower 80s. 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. Highs in the mid 80s.
Chance of rain 40 percent.

$$

MOZ051-060-200100-
Montgomery MO-Warren MO-
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northeast winds around 5 mph. Chance of rain 50 percent. Heat
index values up to 104.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Humid with lows around 70. East winds around
5 mph in the evening, becoming light and variable. Chance of rain
40 percent.
.MONDAY...Patchy fog in the morning. Sunny with highs in the
lower 90s. Light and variable winds. Heat index values up to 106.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 106 early
in the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. West winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 106.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the mid 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms after midnight. Lows in the lower
60s. Chance of rain 30 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly 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...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

MOZ052-200100-
Lincoln MO-
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT MONDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northeast winds around 5 mph. Chance of rain 50 percent. Heat
index values up to 104.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Patchy smoke after midnight. Humid with lows
around 70. East winds around 5 mph. Chance of rain 30 percent.
.MONDAY...Patchy fog and smoke in the morning. Sunny with highs
in the lower 90s. Southeast winds around 5 mph in the morning,
becoming light and variable. Heat index values up to 105.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 106 early
in the evening.
.TUESDAY...Sunny with highs in the mid 90s. West winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers and thunderstorms after
midnight. Lows in the lower 60s. Chance of rain 20 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 80s.
Lows in the mid 60s. Chance of rain 40 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ058-059-098-099-200100-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
1203 PM CDT Sun Jul 19 2026

.THIS AFTERNOON...Partly sunny with a slight chance of showers
and thunderstorms. Near steady temperature in the mid 80s.
Northeast winds 5 to 10 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy. Patchy smoke. Lows in the upper 60s.
East winds 5 to 10 mph.
.MONDAY...Patchy smoke in the morning. Sunny. Highs in the lower
90s. Southeast winds around 5 mph, becoming southwest in the
afternoon. Heat index values up to 101.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
South winds around 5 mph. Heat index values up to 102 early in
the evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s. West
winds 10 to 15 mph. Heat index values up to 101.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 60.
Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight. Lows in
the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms. Highs in the lower 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 30 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ060-064-065-200100-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
1203 PM CDT Sun Jul 19 2026

.THIS AFTERNOON...Mostly sunny with a slight chance of showers
and thunderstorms. Near steady temperature in the mid 80s.
Northeast winds around 5 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy. Patchy smoke. Lows in the upper 60s.
East winds around 5 mph.
.MONDAY...Patchy smoke in the morning. Mostly sunny. Highs in the
upper 80s. Southeast winds around 5 mph, becoming southwest in
the afternoon. Heat index values up to 100 in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. South winds around 5 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Humid with highs in the lower 90s. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 104.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs around 80.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 80.
Lows in the lower 60s.
.FRIDAY...Partly sunny. A slight chance of showers in the
morning, then a chance of showers in the afternoon. Highs around
80. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the mid 60s. Chance of
rain 30 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

ILZ079-MOZ075-200100-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s. North
winds around 5 mph. Chance of rain 50 percent. Heat index values
up to 105.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Patchy fog after midnight. Humid with lows in the lower 70s.
Northeast winds around 5 mph in the evening, becoming light and
variable. Chance of rain 40 percent. Heat index values up to
100 early in the evening.
.MONDAY...Patchy fog in the morning. Mostly sunny. Humid with
highs in the lower 90s. Light and variable winds. Heat index
values up to 106.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
South winds around 5 mph. Heat index values up to 105 early in
the evening.
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Hot with highs in the mid 90s. West winds 5 to
10 mph. Chance of rain 20 percent. Heat index values up to 112.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the mid 80s. Heat index values up to 105.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the lower 60s. Highs in the lower 80s.
.FRIDAY...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 lower 80s. Chance of rain
40 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. A chance
of thunderstorms, mainly in the evening. Lows in the mid 60s.
Chance of rain 30 percent.
.SATURDAY...Mostly sunny. A chance of showers in the morning.
Highs in the upper 80s. Chance of rain 30 percent.

$$

MOZ059-062-072-073-200100-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s.
Northwest winds around 5 mph. Chance of rain 50 percent. Heat
index values up to 104.
.TONIGHT...Partly cloudy. A chance of showers and thunderstorms
in the evening. Patchy fog after midnight. Humid with lows in the
lower 70s. East winds around 5 mph in the evening, becoming light
and variable. Chance of rain 40 percent.
.MONDAY...Patchy fog in the morning. Mostly sunny. Humid with
highs in the lower 90s. Light and variable winds. Heat index
values up to 106.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Light and variable winds, becoming southwest around 5 mph after
midnight. Heat index values up to 105 early in the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. West winds 5 to
10 mph. Heat index values up to 108.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the mid 80s. Heat index values up to 100.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms after midnight. Lows in the mid
60s. Chance of rain 30 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers. Lows in the mid 60s. Chance
of rain 40 percent.
.SATURDAY...Partly sunny. A chance of showers in the morning.
Highs in the upper 80s. Chance of rain 40 percent.

$$

ILZ102-MOZ065-200100-
Monroe IL-Jefferson MO-
1203 PM CDT Sun Jul 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.THIS AFTERNOON...Partly sunny with a chance of showers and
thunderstorms. Near steady temperature in the upper 80s. North
winds around 5 mph. Chance of rain 50 percent. Heat index values
up to 106.
.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Patchy fog after midnight. Humid with lows in the lower 70s. East
winds around 5 mph in the evening, becoming light and variable.
Chance of rain 40 percent.
.MONDAY...Patchy fog in the morning. Mostly sunny. Humid with
highs in the lower 90s. Light and variable winds. Heat index
values up to 107.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
South winds around 5 mph. Heat index values up to 106 early in
the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. West winds 5 to
10 mph. Heat index values up to 111.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the mid 80s. Heat index values up to 105.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
60s. Highs in the lower 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...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers. Lows in the mid 60s. Chance
of rain 40 percent.
.SATURDAY...Mostly sunny. A chance of showers in the morning.
Highs in the upper 80s. Chance of rain 40 percent.

$$