Zone Forecast Product
Issued by NWS Chicago, IL

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536
FPUS53 KLOT 220237
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
936 PM CDT Tue Jul 21 2026

ILZ104-221000-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers in the late
evening and early morning. Lows in the lower 60s. North winds
10 to 15 mph. Chance of precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the mid 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s in the
suburbs to the lower 60s downtown. Northeast winds around 5 mph,
becoming northwest after midnight.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Southwest winds around 5 mph,
becoming southeast in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. South winds around 5 mph.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 70.
.SUNDAY...Partly cloudy. Hot with highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the mid 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs around 90.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 70s.
.TUESDAY...Partly cloudy. Highs in the mid 80s inland, but only
in the lower 80s near the lake.

$$

ILZ103-221000-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening then
clearing. A slight chance of showers late in the evening. Cooler.
Lows in the upper 50s. North winds 10 to 15 mph, diminishing to
5 to 10 mph after midnight. Chance of precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the mid 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 50s. North winds around 5 mph, becoming
northwest after midnight.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. West winds around 5 mph, becoming
southeast in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. Southwest winds around
5 mph.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the lower 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s inland, but only
in the lower 80s near the lake.

$$

ILZ105-221000-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers. Lows in the
lower 60s. North winds 5 to 10 mph. Chance of precipitation
20 percent.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s. North winds
around 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Southeast winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the lower 90s.
.MONDAY NIGHT...Partly cloudy. Lows around 70.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ006-221000-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening then
clearing. A slight chance of showers late in the evening. Cooler.
Lows in the mid 50s. North winds 10 to 15 mph, diminishing to
5 to 10 mph after midnight. Chance of precipitation 20 percent.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the mid 50s. North winds around 5 mph, becoming
northwest after midnight.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. West winds around 5 mph, becoming
south in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. South winds around 5 mph,
becoming west after midnight.
.FRIDAY...Partly cloudy. Highs in the lower 80s.
.FRIDAY NIGHT...Mostly clear. Lows around 60.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows around 70. Chance
of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.

$$

ILZ005-221000-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening then
clearing. Cooler. Lows in the mid 50s. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s. North winds around 5 mph in the evening,
becoming light and variable.
.THURSDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the upper 70s. Southwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. Southwest winds around
5 mph in the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the upper 60s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 80s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the mid 80s.

$$

ILZ012-221000-
Kane-
Including the cities of Aurora and Elgin
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening then
clearing. Cooler. Lows in the mid 50s. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the mid 50s. North winds around 5 mph in the
evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming southwest around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then clearing. Highs in
the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the lower 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 80s.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 60s.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the mid 80s.

$$

ILZ013-221000-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening then
clearing. Cooler. Lows in the upper 50s. North winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 50s. North winds around 5 mph, becoming
northwest after midnight.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. West winds around 5 mph, becoming
south in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 60. South winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs around 90.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ020-221000-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening then
clearing. Cooler. Lows in the upper 50s. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the mid 50s. North winds around 5 mph in the
evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming south around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the lower 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the lower 90s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 60s.
.TUESDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 80s.

$$

ILZ106-221000-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening then
clearing. Lows in the upper 50s. North winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the mid 50s. Northeast winds around 5 mph in the
evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the lower 90s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ107-221000-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening then
clearing. Lows around 60. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming mostly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming southeast around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. East winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Hot with highs in the lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ108-221000-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers. Lows around
60. North winds 5 to 10 mph. Chance of precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming southeast around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Southeast winds around 5 mph
in the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs around 90.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.

$$

INZ001-221000-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy. A slight chance of showers.
Lows in the lower 60s. North winds 10 to 15 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...Mostly cloudy in the morning, then clearing. A
slight chance of showers in the morning. Not as warm with highs
in the lower 70s. North winds 5 to 10 mph. Chance of
precipitation 20 percent.
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. North winds around
5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. East winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Southeast winds around 5 mph
in the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.

$$

INZ002-221000-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy. A slight chance of showers.
Lows in the lower 60s. North winds 10 to 15 mph, diminishing to
5 to 10 mph after midnight. Chance of precipitation 20 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of showers early in the morning, then a slight
chance of showers late in the morning. Not as warm with highs
around 70. North winds 5 to 10 mph. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. North winds 5 to
10 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Southeast winds around 5 mph.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of thunderstorms in the evening. A chance of
showers. Lows in the lower 70s. Chance of precipitation
30 percent.
.MONDAY...Partly cloudy. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ003-221000-
Winnebago-
Including the city of Rockford
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening, then
becoming mostly clear. Cooler. Lows in the mid 50s. North winds
5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. North
winds around 5 mph in the evening, becoming light and variable.
.THURSDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the upper 70s. Southwest winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the upper
60s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 90.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ004-221000-
Boone-
Including the city of Belvidere
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening then
clearing. Cooler. Lows in the mid 50s. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the lower 50s. North winds around 5 mph in the
evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming southwest around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the upper 60s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 80s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ008-221000-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly clear. Cooler. Lows in the mid 50s.
North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the lower 50s. North winds around 5 mph in the
evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear. Lows around 70.
.MONDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs around 90.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ011-221000-
De Kalb-
Including the cities of DeKalb and Sycamore
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening then
clearing. Cooler. Lows in the mid 50s. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. North
winds around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming south around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. South winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows around 70. Chance
of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 90.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ010-221000-
Lee-
Including the city of Dixon
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly clear. Lows in the upper 50s. North
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the mid 50s. Northeast winds around 5 mph in the
evening, becoming light and variable.
.THURSDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the upper 70s. Light and variable winds, becoming south
around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 50s. South
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the lower 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the lower 90s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ019-221000-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy late in the evening then
clearing. Lows around 60. North winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 50s. North winds around 5 mph in
the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming southeast around 5 mph in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Light and
variable winds.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the lower 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Hot with
highs in the lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 60s.
.TUESDAY...Mostly sunny. Highs in the upper 80s.

$$

ILZ021-221000-
Grundy-
Including the cities of Morris, Coal City, and Minooka
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy. Lows around 60. North winds
5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds,
becoming southeast around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. Light and variable winds.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s.
.SUNDAY...Partly cloudy. Highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a chance of showers after midnight. Lows in the lower 70s.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Hot with
highs in the lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ032-221000-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s. North
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. East winds around 5 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Light and
variable winds.
.FRIDAY...Mostly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 70s.
.MONDAY...Partly cloudy in the morning, then clearing. Hot with
highs in the lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ023-221000-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers in the late
evening and early morning. Lows in the lower 60s. North winds
5 to 10 mph. Chance of precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Light and variable winds.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Light and variable winds.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows in the lower
70s. Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the lower 90s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

ILZ039-221000-
Ford-
Including the cities of Paxton and Gibson City
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s. North
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the lower 70s. North winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.THURSDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the upper 70s. East winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. East winds around 5 mph.
.FRIDAY...Mostly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 70s.
.MONDAY...Partly cloudy. Hot with highs in the lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 60s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 80s.

$$

ILZ033-221000-
Iroquois-
Including the cities of Watseka and Gilman
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Partly cloudy. Lows in the lower 60s. North
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s. North winds
around 5 mph.
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. East winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Light and variable winds.
.FRIDAY...Mostly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs around 90.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 70s.
.MONDAY...Partly cloudy. Hot with highs in the lower 90s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s.

$$

INZ010-221000-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers. Lows around
60. North winds 5 to 10 mph. Chance of precipitation 20 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 70s. North winds 5 to 10 mph. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Light and
variable winds, becoming east around 5 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Light and variable winds.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows around 70.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs around 90.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.

$$

INZ011-221000-
Jasper-
Including the cities of Rensselaer and DeMotte
936 PM CDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers. Lows in the
upper 50s. North winds 5 to 10 mph. Chance of precipitation
20 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 70s. North winds 5 to 10 mph. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. North winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny. Highs in the mid 70s. East winds around
5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Light and variable winds.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A chance of showers after midnight. Lows around 70.
Chance of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs around 90.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.

$$

INZ019-221000-
Benton-
Including the cities of Fowler and Oxford
1036 PM EDT Tue Jul 21 2026

.REST OF TONIGHT...Mostly cloudy late in the evening, then
becoming partly cloudy. A slight chance of showers late in the
evening. Lows around 60. North winds 5 to 10 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s. North winds
5 to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. North winds
around 5 mph in the evening, becoming light and variable.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Light and variable winds.
.FRIDAY...Mostly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 70s.
.MONDAY...Partly cloudy. A chance of showers in the afternoon.
Highs around 90. Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.

$$