Zone Forecast Product
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
618
FPUS53 KLOT 291647
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
1146 AM CDT Tue Sep 29 2026

ILZ104-300000-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming mostly
cloudy. Highs in the mid 70s. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late. Lows
in the lower 60s. South winds 5 to 10 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...A chance of showers early in the morning, then
showers likely in the late morning and early afternoon. A chance
of showers late. Highs in the lower 70s. South winds around
10 mph. Chance of precipitation 70 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Near steady
temperature in the upper 60s. South winds 5 to 10 mph. Chance of
precipitation 50 percent.
.THURSDAY...Showers. A slight chance of thunderstorms in the
afternoon. Highs in the mid 70s. West winds around 5 mph. Chance
of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows around 60. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers. Near
steady temperature in the lower 60s.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 50s. Chance of precipitation
20 percent.
.SATURDAY...Partly cloudy. Highs in the lower 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy. Highs in the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows around 50.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ103-300000-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Mostly sunny late in the morning, then becoming
mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A chance of showers late. Lows in the
lower 60s. South winds 5 to 10 mph. Chance of precipitation
40 percent.
.WEDNESDAY...A chance of showers early in the morning, then
showers likely in the late morning and afternoon. Highs in the
lower 70s. South winds around 10 mph. Chance of precipitation
70 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers in the evening,
then showers likely after midnight. Near steady temperature in
the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation
70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds around 5 mph, becoming
northwest in the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the upper 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the mid 60s. Chance of precipitation
40 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Partly cloudy. Highs in the lower 60s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ105-300000-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late. Lows
in the lower 60s. South winds 5 to 10 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...Cloudy. A chance of showers. Highs in the lower 70s.
South winds around 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Near steady
temperature in the upper 60s. South winds 5 to 10 mph. Chance of
precipitation 50 percent.
.THURSDAY...Cloudy. A chance of showers in the morning, then
showers likely with a slight chance of thunderstorms in the
afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph.
Chance of precipitation 70 percent.
.THURSDAY NIGHT...Showers. Lows around 60. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows in the lower
50s. Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ006-300000-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. A chance of showers late. Lows in the lower 60s. South
winds 5 to 10 mph. Chance of precipitation 40 percent.
.WEDNESDAY...A chance of showers early in the morning, then
showers in the late morning and afternoon. Highs in the upper
60s. Southwest winds around 10 mph. Chance of precipitation
80 percent.
.WEDNESDAY NIGHT...Showers likely. Near steady temperature in the
mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation
70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds around 5 mph, becoming
northwest in the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the mid 50s. Chance of
precipitation 80 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy with a slight chance of showers in the
afternoon. Highs in the lower 60s. Chance of precipitation
40 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the lower 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ005-300000-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. A chance of showers late. Lows in the lower 60s. South
winds 5 to 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Showers. Highs in the upper 60s. South winds 5 to
10 mph. Chance of precipitation 90 percent.
.WEDNESDAY NIGHT...Showers likely. Near steady temperature in the
mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation
70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
around 70. Southwest winds around 5 mph, becoming north in the
afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Cloudy. Showers likely, mainly in the evening.
Lows in the mid 50s. Chance of precipitation 70 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 60s. Chance
of precipitation 40 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ012-300000-
Kane-
Including the cities of Aurora and Elgin
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Mostly sunny late in the morning, then becoming
mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. A chance of showers late. Lows in the lower 60s. South
winds 5 to 10 mph. Chance of precipitation 40 percent.
.WEDNESDAY...Showers. Highs in the lower 70s. South winds 5 to
10 mph. Chance of precipitation 80 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers in the evening,
then showers likely with a slight chance of thunderstorms after
midnight. Near steady temperature in the mid 60s. South winds
5 to 10 mph. Chance of precipitation 70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds around 5 mph, becoming
northwest in the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the mid 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the mid 60s. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ013-300000-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming mostly
cloudy. Near steady temperature in the mid 70s. South winds 5 to
10 mph.
.TONIGHT...Mostly cloudy. A chance of showers late. Lows in the
lower 60s. South winds 5 to 10 mph. Chance of precipitation
40 percent.
.WEDNESDAY...A chance of showers early in the morning, then
showers likely in the late morning and early afternoon. A chance
of showers late. Highs in the lower 70s. South winds around
10 mph. Chance of precipitation 70 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers in the evening,
then showers likely after midnight. Near steady temperature in
the upper 60s. South winds 5 to 10 mph. Chance of precipitation
60 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds 5 to 10 mph, becoming west in
the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the upper 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the mid 60s. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ020-300000-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming mostly
cloudy. Highs in the upper 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A chance of showers late. Not as cool
with lows in the lower 60s. South winds around 5 mph. Chance of
precipitation 40 percent.
.WEDNESDAY...A chance of showers early in the morning, then
showers likely in the late morning and early afternoon. A chance
of showers late. Highs in the mid 70s. South winds 5 to 10 mph.
Chance of precipitation 70 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Near steady
temperature in the upper 60s. South winds 5 to 10 mph. Chance of
precipitation 50 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the mid 70s. Southwest winds around 5 mph. Chance of
precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the upper 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Lows around 50. Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the mid 60s.

$$

ILZ106-300000-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming mostly
cloudy. Highs in the upper 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A chance of showers late. Lows in the
lower 60s. South winds 5 to 10 mph. Chance of precipitation
30 percent.
.WEDNESDAY...Cloudy. A chance of showers in the morning, then
showers likely early in the afternoon. A chance of showers late.
Highs in the lower 70s. South winds 5 to 10 mph. Chance of
precipitation 70 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Near steady
temperature in the upper 60s. South winds 5 to 10 mph. Chance of
precipitation 50 percent.
.THURSDAY...Showers. A slight chance of thunderstorms in the
afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph.
Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows around 60. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 50s. Chance of precipitation
20 percent.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ107-300000-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs around 80. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late. Lows
in the lower 60s. South winds around 5 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the mid
70s. South winds 5 to 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Lows in the upper
60s. South winds 5 to 10 mph. Chance of precipitation 40 percent.
.THURSDAY...Cloudy. A chance of showers in the morning, then
showers likely with a slight chance of thunderstorms in the
afternoon. Highs in the upper 70s. Southwest winds around 5 mph.
Chance of precipitation 70 percent.
.THURSDAY NIGHT...Showers. Lows around 60. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows in the lower
50s. Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the mid 60s.

$$

ILZ108-300000-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late. Not as
cool with lows in the lower 60s. South winds 5 to 10 mph. Chance
of precipitation 20 percent.
.WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the mid
70s. South winds 5 to 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Lows in the upper
60s. South winds 5 to 10 mph. Chance of precipitation 30 percent.
.THURSDAY...Cloudy. A chance of showers in the morning, then
showers likely in the afternoon. Highs in the upper 70s.
Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
.THURSDAY NIGHT...Showers. Lows around 60. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows around 50.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

INZ001-300000-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Not as cool with lows in the lower 60s. South winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of showers early in
the morning, then a chance of showers in the late morning and
afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance
of precipitation 50 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Lows in the upper
60s. South winds 5 to 10 mph. Chance of precipitation 40 percent.
.THURSDAY...Cloudy. A chance of showers in the morning, then
showers likely in the afternoon. Highs in the upper 70s.
Southwest winds around 5 mph. Chance of precipitation 70 percent.
.THURSDAY NIGHT...A slight chance of thunderstorms in the
evening. Showers. Lows in the upper 50s. Chance of precipitation
90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows in the upper
40s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

INZ002-300000-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows around 60. South winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of showers early in
the morning, then a chance of showers in the late morning and
afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance
of precipitation 40 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers, mainly in the
evening. Near steady temperature in the upper 60s. South winds
5 to 10 mph. Chance of precipitation 30 percent.
.THURSDAY...Cloudy. A chance of showers in the morning, then
showers likely in the afternoon. Highs in the upper 70s.
Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
.THURSDAY NIGHT...A slight chance of thunderstorms in the
evening. Showers. Lows in the upper 50s. Chance of precipitation
90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s inland, but only around 60 near the lake.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows in the upper
40s. Chance of precipitation 20 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s inland, but only in the lower 60s
near the lake.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s inland, but only in the lower 60s near the lake.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ003-300000-
Winnebago-
Including the city of Rockford
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Near steady temperature in the lower 70s. South
winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late in the
evening. A chance of showers after midnight, then showers likely
late. Lows in the lower 60s. South winds 5 to 10 mph. Chance of
precipitation 70 percent.
.WEDNESDAY...Showers. Highs in the upper 60s. South winds 5 to
10 mph. Chance of precipitation 90 percent.
.WEDNESDAY NIGHT...Showers. A slight chance of thunderstorms
after midnight. Near steady temperature in the mid 60s. South
winds 5 to 10 mph. Chance of precipitation 90 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the upper 60s. West winds around 5 mph, becoming north in the
afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Cloudy. Showers likely, mainly in the evening.
Lows in the lower 50s. Chance of precipitation 70 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 60s. Chance
of precipitation 40 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ004-300000-
Boone-
Including the city of Belvidere
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late in the
evening. A chance of showers after midnight. Not as cool with
lows in the lower 60s. South winds 5 to 10 mph. Chance of
precipitation 50 percent.
.WEDNESDAY...Showers. Highs in the upper 60s. South winds 5 to
10 mph. Chance of precipitation 90 percent.
.WEDNESDAY NIGHT...Showers. A slight chance of thunderstorms
after midnight. Near steady temperature in the mid 60s. Southwest
winds 5 to 10 mph. Chance of precipitation 80 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
around 70. West winds around 5 mph, becoming north in the
afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Cloudy. Showers likely, mainly in the evening.
Lows in the lower 50s. Chance of precipitation 70 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 60s. Chance
of precipitation 40 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ008-300000-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Near steady temperature in the mid 70s. South
winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late in the
evening. A chance of showers after midnight. Lows in the lower
60s. South winds 5 to 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Showers. Highs around 70. South winds 5 to 10 mph.
Chance of precipitation 90 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers in the evening,
then showers likely with a slight chance of thunderstorms after
midnight. Lows in the mid 60s. South winds 5 to 10 mph. Chance of
precipitation 70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds around 5 mph, becoming north in
the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the mid 50s. Chance of
precipitation 80 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 60s. Chance
of precipitation 40 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ011-300000-
De Kalb-
Including the cities of DeKalb and Sycamore
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. A chance of showers late. Lows in the lower 60s. South
winds 5 to 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Showers. Highs in the lower 70s. South winds 5 to
10 mph. Chance of precipitation 80 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers in the evening,
then showers likely with a slight chance of thunderstorms after
midnight. Lows in the mid 60s. South winds 5 to 10 mph. Chance of
precipitation 70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds 5 to 10 mph, becoming northwest
in the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the mid 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy with a slight chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ010-300000-
Lee-
Including the city of Dixon
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Partly cloudy late in the morning, then becoming
mostly cloudy. Highs in the upper 70s. South winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. A chance of showers late. Lows in the lower 60s. South
winds 5 to 10 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Showers. Highs in the lower 70s. South winds 5 to
10 mph. Chance of precipitation 80 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers in the evening,
then showers likely with a slight chance of thunderstorms after
midnight. Lows in the mid 60s. South winds 5 to 10 mph. Chance of
precipitation 70 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the lower 70s. Southwest winds around 5 mph, becoming
northwest in the afternoon. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the mid 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 60s. Chance
of precipitation 40 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 60s.

$$

ILZ019-300000-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Mostly sunny late in the morning, then becoming
mostly cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. A chance of showers late. Lows in the mid 60s. South
winds 5 to 10 mph. Chance of precipitation 40 percent.
.WEDNESDAY...A chance of showers early in the morning, then
showers likely in the late morning and early afternoon. A chance
of showers late. Highs in the mid 70s. South winds 5 to 10 mph.
Chance of precipitation 70 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. A slight chance
of thunderstorms after midnight. Lows in the upper 60s. South
winds 5 to 10 mph. Chance of precipitation 50 percent.
.THURSDAY...Showers with a slight chance of thunderstorms. Highs
in the mid 70s. Southwest winds around 5 mph. Chance of
precipitation 90 percent.
.THURSDAY NIGHT...Showers. Lows in the upper 50s. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the upper 60s. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Lows around 50. Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

ILZ021-300000-
Grundy-
Including the cities of Morris, Coal City, and Minooka
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming mostly
cloudy. Highs in the lower 80s. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A chance of showers late. Not as cool
with lows in the mid 60s. South winds around 5 mph. Chance of
precipitation 30 percent.
.WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph. Chance of precipitation
50 percent.
.WEDNESDAY NIGHT...Cloudy. A chance of showers. Lows in the upper
60s. South winds 5 to 10 mph. Chance of precipitation 40 percent.
.THURSDAY...Showers likely. A slight chance of thunderstorms in
the afternoon. Highs in the upper 70s. Southwest winds around
5 mph. Chance of precipitation 70 percent.
.THURSDAY NIGHT...Showers. Lows around 60. Chance of
precipitation 90 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of showers in
the evening, then partly cloudy after midnight. Lows in the lower
50s. Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

ILZ032-300000-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the lower 80s. South winds around 5 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers late. Not as
cool with lows in the lower 60s. South winds 5 to 10 mph. Chance
of precipitation 20 percent.
.WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph. Chance of precipitation
50 percent.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers.
Lows in the upper 60s. South winds 5 to 10 mph. Chance of
precipitation 20 percent.
.THURSDAY...Cloudy. A chance of showers in the morning, then
showers likely in the afternoon. Highs around 80. Southwest winds
5 to 10 mph. Chance of precipitation 70 percent.
.THURSDAY NIGHT...Showers with a slight chance of thunderstorms.
Lows in the lower 60s. Chance of precipitation 90 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the upper 60s. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows in the lower
50s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

ILZ023-300000-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs around 80. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers late. Not as cool with lows in
the lower 60s. South winds around 5 mph. Chance of precipitation
20 percent.
.WEDNESDAY...Mostly cloudy. A chance of showers. Highs in the
upper 70s. South winds around 5 mph. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Cloudy. A slight chance of showers. Lows in
the upper 60s. South winds 5 to 10 mph. Chance of precipitation
20 percent.
.THURSDAY...Mostly cloudy. A chance of showers in the morning,
then showers likely in the afternoon. Highs around 80. Southwest
winds around 5 mph. Chance of precipitation 70 percent.
.THURSDAY NIGHT...Showers with a slight chance of thunderstorms.
Lows around 60. Chance of precipitation 90 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the mid 60s. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows around 50.
Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

ILZ039-300000-
Ford-
Including the cities of Paxton and Gibson City
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the lower 80s. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows in the lower 60s. South winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of showers. Highs in
the lower 80s. South winds 5 to 10 mph. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 60s. South
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation
50 percent.
.THURSDAY NIGHT...A slight chance of thunderstorms. Showers. Lows
in the lower 60s. Chance of precipitation 90 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the upper 60s. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
lower 50s. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

ILZ033-300000-
Iroquois-
Including the cities of Watseka and Gilman
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the lower 80s. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Not as cool with lows in the lower 60s. South winds
around 5 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of showers. Highs
around 80. South winds around 5 mph. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 60s. South
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation
50 percent.
.THURSDAY NIGHT...Showers with a slight chance of thunderstorms.
Lows in the lower 60s. Chance of precipitation 90 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Not as warm with highs in the upper 60s. Chance of precipitation
70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows around 50.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

INZ010-300000-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Not as cool with lows around 60. South winds around
5 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of showers. Highs in
the upper 70s. South winds around 5 mph. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers in
the evening. Lows in the upper 60s. South winds 5 to 10 mph.
Chance of precipitation 20 percent.
.THURSDAY...Mostly cloudy. A slight chance of showers in the
morning, then a chance of showers in the afternoon. Highs in the
lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation
50 percent.
.THURSDAY NIGHT...Showers with a slight chance of thunderstorms.
Lows around 60. Chance of precipitation 80 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the upper 60s. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows in the upper
40s. Chance of precipitation 20 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

INZ011-300000-
Jasper-
Including the cities of Rensselaer and DeMotte
1146 AM CDT Tue Sep 29 2026

.REST OF TODAY...Sunny late in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows around 60. South winds around 5 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of showers. Highs in
the upper 70s. South winds around 5 mph. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers in
the evening. Lows in the upper 60s. South winds 5 to 10 mph.
Chance of precipitation 20 percent.
.THURSDAY...Mostly cloudy. A slight chance of showers in the
morning, then a chance of showers in the afternoon. Highs in the
lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation
50 percent.
.THURSDAY NIGHT...Showers with a slight chance of thunderstorms.
Lows in the lower 60s. Chance of precipitation 80 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the upper 60s. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows in the upper
40s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$

INZ019-300000-
Benton-
Including the cities of Fowler and Oxford
1246 PM EDT Tue Sep 29 2026

.REST OF TODAY...Mostly sunny. Highs in the upper 70s. South
winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows around 60. South winds around 5 mph.
.WEDNESDAY...Mostly cloudy. Highs around 80. South winds around
5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 60s. South
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers in the afternoon.
Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of
precipitation 40 percent.
.THURSDAY NIGHT...A slight chance of thunderstorms. Showers. Lows
in the lower 60s. Chance of precipitation 80 percent.
.FRIDAY...Mostly cloudy. Showers likely, mainly in the morning.
Not as warm with highs in the upper 60s. Chance of precipitation
70 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of showers in
the evening, then partly cloudy with a chance of showers after
midnight. Lows in the lower 50s. Chance of precipitation
30 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 60s.

$$