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 34 35 36 37 38 39 40 41 42
911
FPUS53 KLOT 210621
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
120 AM CDT Mon Sep 21 2026

ILZ104-211400-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle. Near steady
temperature in the lower 60s. East winds 15 to 20 mph with gusts
up to 25 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 15 to 20 mph,
diminishing to 10 to 15 mph in the afternoon. Chance of
precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds 10 to 15 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph. Gusts
up to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds 10 to 15 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s.
.THURSDAY...Partly cloudy. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the mid 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ103-211400-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle. Near steady
temperature around 60. East winds 10 to 15 mph with gusts up to
25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds 10 to 15 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy. Highs around 70.

$$

ILZ105-211400-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph with gusts up
to 25 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph with
gusts up to 25 mph. Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ006-211400-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle after midnight, then
patchy drizzle late. Near steady temperature around 60. East
winds 15 to 20 mph with gusts up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 15 to 20 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds 10 to 15 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph with
gusts up to 25 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the mid 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy. Highs in the upper 60s.

$$

ILZ005-211400-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature in the upper 50s. East winds 10 to 15 mph with gusts
up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the lower 60s.
Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 60s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in
the afternoon. Chance of precipitation 20 percent.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 40s. Northeast winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy. Lows around 50.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Mostly cloudy. Highs in the upper 60s.

$$

ILZ012-211400-
Kane-
Including the cities of Aurora and Elgin
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle after midnight, then
patchy drizzle late. Near steady temperature in the upper 50s.
Northeast winds 10 to 15 mph with gusts up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds
5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.THURSDAY...Partly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 70.

$$

ILZ013-211400-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph with gusts up
to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ020-211400-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle after midnight, then
patchy drizzle late. Near steady temperature around 60. Northeast
winds 10 to 15 mph with gusts up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
mid 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs around 70.
.FRIDAY NIGHT...Partly cloudy. Lows around 50.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ106-211400-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle. Near steady
temperature in the upper 50s. Northeast winds 10 to 15 mph with
gusts up to 25 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph with
gusts up to 25 mph. Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ107-211400-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle after midnight, then
patchy drizzle late. Near steady temperature around 60. Northeast
winds 10 to 15 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph. Gusts up to 25 mph in the morning. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs around 70.
.FRIDAY NIGHT...Partly cloudy. Lows around 50.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ108-211400-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Areas of drizzle. Near steady
temperature in the upper 50s. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Northeast winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

INZ001-211400-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle after midnight, then
areas of drizzle late. Near steady temperature in the upper 50s.
Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Northeast winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 50.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

INZ002-211400-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature in the upper 50s. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Northeast winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows around 50.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ003-211400-
Winnebago-
Including the city of Rockford
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Near steady temperature in the upper
50s. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. A slight chance of showers
late. Near steady temperature in the lower 60s. Northeast winds
10 to 15 mph with gusts up to 25 mph. Chance of precipitation
20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers. Lows
in the lower 50s. Northeast winds 10 to 15 mph. Chance of
precipitation 20 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Mostly cloudy. Highs in the upper 60s.

$$

ILZ004-211400-
Boone-
Including the city of Belvidere
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Near steady temperature in the upper
50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the lower 60s.
Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers early
in the evening. A slight chance of showers after midnight. Lows
in the lower 50s. Northeast winds around 10 mph. Chance of
precipitation 20 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Mostly cloudy. Highs in the upper 60s.

$$

ILZ008-211400-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Near steady temperature in the upper
50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers. Highs in the lower 60s. Northeast winds 10 to
15 mph with gusts up to 25 mph. Chance of precipitation
20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
lower 50s. Northeast winds 10 to 15 mph. Chance of precipitation
30 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows around 50.
.SUNDAY...Mostly cloudy. Highs in the lower 70s.

$$

ILZ011-211400-
De Kalb-
Including the cities of DeKalb and Sycamore
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature in the upper 50s. Northeast winds 10 to 15 mph with
gusts up to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers. Lows
in the lower 50s. Northeast winds 10 to 15 mph. Chance of
precipitation 20 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 40s. Northeast winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows around 50.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ010-211400-
Lee-
Including the city of Dixon
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature in the upper 50s. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers. Highs in the mid 60s. Northeast winds 10 to
15 mph with gusts up to 25 mph. Chance of precipitation
20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. A slight chance
of showers late. Lows in the lower 50s. Northeast winds 10 to
15 mph. Chance of precipitation 30 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
lower 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows around 50.
.SATURDAY...Mostly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy. Highs in the lower 70s.

$$

ILZ019-211400-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph with gusts up
to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers. Highs in the mid 60s. Northeast winds 10 to
15 mph with gusts up to 25 mph. Chance of precipitation
20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
late evening and overnight. Lows in the mid 50s. Northeast winds
around 10 mph. Chance of precipitation 20 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers in the morning. Highs in the
mid 60s. Northeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs around 70.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly cloudy. Highs around 70.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ021-211400-
Grundy-
Including the cities of Morris, Coal City, and Minooka
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph with gusts up
to 25 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers until late afternoon. Highs in the upper 60s.
Northeast winds 10 to 15 mph. Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs around 70.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly cloudy. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 70s.

$$

ILZ032-211400-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. A slight chance of showers with patchy drizzle
early in the morning. A slight chance of showers in the
afternoon. Highs in the upper 60s. Northeast winds 10 to 15 mph.
Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.
.FRIDAY NIGHT...Partly cloudy. Lows around 50.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ023-211400-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph. Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Northeast winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs around 70.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

ILZ039-211400-
Ford-
Including the cities of Paxton and Gibson City
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. A chance of showers and a slight
chance of thunderstorms after midnight. Patchy drizzle. Near
steady temperature around 60. Northeast winds 10 to 15 mph.
Chance of precipitation 40 percent.
.MONDAY...Cloudy. A slight chance of showers with patchy drizzle
early in the morning. Highs in the upper 60s. Northeast winds
10 to 15 mph. Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs around 70.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ033-211400-
Iroquois-
Including the cities of Watseka and Gilman
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. A chance of showers after midnight.
Patchy drizzle. Near steady temperature around 60. Northeast
winds 10 to 15 mph. Chance of precipitation 40 percent.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the upper 60s.
Northeast winds 10 to 15 mph. Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the upper 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs around 70.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 50.
.SUNDAY...Partly cloudy. Highs in the mid 70s.

$$

INZ010-211400-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature around 60. Northeast winds 10 to 15 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 50.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 50.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

INZ011-211400-
Jasper-
Including the cities of Rensselaer and DeMotte
121 AM CDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. Patchy drizzle. Near steady
temperature around 60. Northeast winds around 10 mph.
.MONDAY...Cloudy. A chance of showers with areas of drizzle early
in the morning, then a slight chance of showers late in the
morning. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 50.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy. Highs in the lower 70s.

$$

INZ019-211400-
Benton-
Including the cities of Fowler and Oxford
221 AM EDT Mon Sep 21 2026

.REST OF TONIGHT...Cloudy. A chance of showers and patchy
drizzle. Near steady temperature in the lower 60s. Northeast
winds 10 to 15 mph. Chance of precipitation 30 percent.
.MONDAY...Cloudy. Patchy drizzle early in the morning. A slight
chance of showers in the morning. Highs in the mid 60s. Northeast
winds 10 to 15 mph. Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the upper 60s. Northeast winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs around 70.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Partly cloudy. Lows around 50.
.SUNDAY...Partly cloudy. Highs in the lower 70s.

$$