727
FPUS53 KLOT 211928
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
228 PM CDT Thu Aug 21 2025

ILZ104-221030-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear. Patchy fog late. Lows in the mid 60s.
North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Patchy fog through mid morning. Highs in
the lower 80s inland, but only in the upper 70s near the lake.
Northwest winds around 5 mph, becoming northeast in the
afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 60s. South winds around 5 mph,
becoming southwest after midnight.
.SATURDAY...Mostly cloudy through mid morning, then clearing. A
slight chance of showers in the morning. Highs in the lower 80s.
West winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s in the
suburbs to the upper 50s downtown.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ103-221030-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear. Patchy fog late. Lows in the lower 60s.
North winds 5 to 10 mph.
.FRIDAY...Mostly sunny through mid morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the lower 80s
inland, but only in the upper 70s near the lake. Northwest winds
around 5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 60s. Southwest winds around
5 mph.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
sunny. A slight chance of showers in the morning. Highs in the
lower 80s. West winds 5 to 10 mph, increasing to 10 to 15 mph in
the afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ105-221030-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog late. Lows in the mid 60s.
North winds around 5 mph.
.FRIDAY...Partly cloudy. Patchy fog through mid morning. Highs in
the lower 80s. Northwest winds around 5 mph, becoming northeast
in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Mostly cloudy through mid morning, then becoming
partly cloudy. A slight chance of showers in the morning. Highs
in the lower 80s. West winds 5 to 10 mph. Chance of precipitation
20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.

$$

ILZ006-221030-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear. Patchy fog late. Lows around 60. North
winds around 5 mph.
.FRIDAY...Mostly sunny through mid morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the lower 80s.
Northwest winds around 5 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs around 80. West winds 5 to 10 mph, increasing
to 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. West winds 5 to
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Mostly clear. Lows around 50.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ005-221030-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear. Patchy fog late. Lows in the upper 50s.
East winds around 5 mph in the evening, becoming light and
variable.
.FRIDAY...Mostly sunny through mid morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs around 80. West
winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. Southwest winds around 5 mph.
Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows around 50.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 60s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ012-221030-
Kane-
Including the cities of Aurora and Elgin
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the upper 50s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. Northwest winds around 5 mph, becoming west in the
afternoon.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
sunny. A slight chance of showers in the morning. Highs around
80. West winds 5 to 10 mph, increasing to 10 to 15 mph in the
afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ013-221030-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear. Patchy fog late. Lows in the lower 60s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Patchy fog through mid morning. Highs in
the lower 80s. Northwest winds around 5 mph, becoming southwest
in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Mostly cloudy through mid morning, then clearing. A
slight chance of showers in the morning. Highs in the lower 80s.
West winds 5 to 10 mph, increasing to 10 to 15 mph in the
afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ020-221030-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the upper 50s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. Light and variable winds, becoming west around 5 mph
in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Light and variable winds,
becoming southwest around 5 mph after midnight.
.SATURDAY...Mostly cloudy through mid morning, then clearing. A
slight chance of showers in the morning. Highs in the lower 80s.
West winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ106-221030-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the lower 60s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
in the lower 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Mostly cloudy through mid morning, then clearing. A
slight chance of showers in the morning. Highs in the lower 80s.
West winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.

$$

ILZ107-221030-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the lower 60s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
in the lower 80s. Light and variable winds, becoming northwest
around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Mostly cloudy through mid morning, then becoming
partly cloudy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon. Highs in the lower 80s. West
winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ108-221030-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the lower 60s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
in the lower 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. Southwest winds around
5 mph.
.SATURDAY...Mostly cloudy through mid morning, then becoming
partly cloudy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon. Highs in the lower 80s. West
winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.

$$

INZ001-221030-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Areas of fog late. Lows in the lower 60s. Northeast winds
5 to 10 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
around 80. Southeast winds around 5 mph, becoming north in the
afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph,
becoming southwest after midnight.
.SATURDAY...Mostly cloudy through mid morning, then becoming
partly cloudy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon. Highs in the lower 80s. West
winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the upper 60s.
.TUESDAY NIGHT...Mostly clear. Lows around 50.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the mid 70s.

$$

INZ002-221030-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Areas of fog late. Lows around 60. Northeast winds around
5 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
around 80. Southeast winds around 5 mph, becoming north in the
afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. Southeast winds around
5 mph, becoming southwest after midnight.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon. Highs around 80. West winds 5 to
10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear with a 20 percent chance of showers.
Lows in the mid 50s.
.MONDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 60s. Chance of precipitation
20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the upper 60s.
.TUESDAY NIGHT...Mostly clear. Lows around 50.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ003-221030-
Winnebago-
Including the city of Rockford
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog after midnight. Areas of fog
late. Lows in the upper 50s. East winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. West winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. West winds around 5 mph. Chance of
precipitation 20 percent.
.SATURDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the lower 50s. West winds 5 to
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 60s.
.TUESDAY NIGHT...Clear. Lows in the mid 40s.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ004-221030-
Boone-
Including the city of Belvidere
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog after midnight. Areas of fog
late. Lows in the mid 50s. East winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs around 80.
West winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. West winds around 5 mph. Chance of
precipitation 20 percent.
.SATURDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the lower 50s. West winds 5 to
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 60s.
.TUESDAY NIGHT...Clear. Lows in the mid 40s.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ008-221030-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog after midnight. Areas of fog
late. Lows in the mid 50s. East winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. West winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. Southwest winds around 5 mph.
Chance of precipitation 20 percent.
.SATURDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph,
increasing to northwest 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ011-221030-
De Kalb-
Including the cities of DeKalb and Sycamore
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog after midnight. Areas of fog
late. Lows in the mid 50s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog through mid morning. Highs in the lower 80s.
Light and variable winds, becoming southwest around 5 mph in the
afternoon.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Light and
variable winds, becoming west around 5 mph after midnight.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs around 80. West winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows around 50.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ010-221030-
Lee-
Including the city of Dixon
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog after midnight. Areas of fog
late. Lows in the upper 50s. East winds around 5 mph.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog through mid morning. Highs in the lower 80s.
Light and variable winds, becoming west around 5 mph in the
afternoon.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Light and
variable winds, becoming west around 5 mph after midnight.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the upper 70s. West winds 5 to 10 mph, increasing
to northwest 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows around 50.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ019-221030-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Patchy fog after midnight. Areas of fog
late. Lows in the upper 50s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog through mid morning. Highs in the lower 80s.
Light and variable winds.
.FRIDAY NIGHT...Increasing cloudiness. Lows in the mid 60s. Light
and variable winds, becoming southwest around 5 mph after
midnight.
.SATURDAY...Mostly cloudy through mid morning, then clearing. A
slight chance of showers in the morning. Highs in the lower 80s.
West winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ021-221030-
Grundy-
Including the cities of Morris, Coal City, and Minooka
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows around 60.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. Light and variable winds, becoming northwest around
5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Light and variable winds,
becoming southwest around 5 mph after midnight.
.SATURDAY...Mostly cloudy through mid morning, then clearing. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance
of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ032-221030-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the lower 60s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog through mid morning. Highs in the lower 80s.
Northeast winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon. Highs in the lower 80s. West
winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds 5 to 10 mph.
.SUNDAY...Sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ023-221030-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
228 PM CDT Thu Aug 21 2025

.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Areas of fog late. Lows in the lower 60s.
Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
in the lower 80s. Light and variable winds, becoming north around
5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. Light and variable winds,
becoming southwest around 5 mph after midnight.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers. A slight chance of
thunderstorms in the afternoon. Highs in the lower 80s. West
winds 5 to 10 mph. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ039-221030-
Ford-
Including the cities of Paxton and Gibson City
228 PM CDT Thu Aug 21 2025

.TONIGHT...Increasing cloudiness. Areas of fog late. Lows around
60. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog through mid morning. Highs in the lower 80s.
Northeast winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. North winds around 5 mph,
becoming west after midnight.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance
of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy early in the evening, then
becoming clear. Lows in the mid 50s. Northwest winds 5 to 10 mph.
.SUNDAY...Sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.

$$

ILZ033-221030-
Iroquois-
Including the cities of Watseka and Gilman
228 PM CDT Thu Aug 21 2025

.TONIGHT...Increasing cloudiness. Areas of fog late. Lows around
60. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. Northeast winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly cloudy. Lows in the lower 60s. Light and variable
winds, becoming west around 5 mph after midnight.
.SATURDAY...Mostly cloudy through mid afternoon, then becoming
partly cloudy. A slight chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s. West winds 5 to 10 mph.
Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

INZ010-221030-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
228 PM CDT Thu Aug 21 2025

.TONIGHT...Increasing cloudiness. Areas of fog late. Lows in the
upper 50s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog through mid morning. Highs in the lower 80s.
Light and variable winds, becoming northeast around 5 mph in the
afternoon.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly cloudy. Lows in the lower 60s. Light and variable
winds.
.SATURDAY...Mostly cloudy through mid afternoon, then becoming
partly cloudy. A slight chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s. West winds 5 to 10 mph.
Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph.
.SUNDAY...Sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Partly cloudy. Highs in the upper 70s.

$$

INZ011-221030-
Jasper-
Including the cities of Rensselaer and DeMotte
228 PM CDT Thu Aug 21 2025

.TONIGHT...Increasing cloudiness. Patchy fog after midnight.
Areas of fog late. Lows in the upper 50s. Northeast winds around
5 mph.
.FRIDAY...Partly cloudy. Areas of fog through mid morning. Highs
around 80. Light and variable winds, becoming northeast around
5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly cloudy. Lows in the lower 60s. Light and variable
winds, becoming west around 5 mph after midnight.
.SATURDAY...Mostly cloudy through mid afternoon, then becoming
partly cloudy. A slight chance of showers and thunderstorms in
the afternoon. Highs around 80. West winds 5 to 10 mph. Chance of
precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Mostly sunny. Highs in the upper 70s.

$$

INZ019-221030-
Benton-
Including the cities of Fowler and Oxford
328 PM EDT Thu Aug 21 2025

.TONIGHT...Decreasing cloudiness. Areas of fog late. Lows in the
upper 50s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy through mid afternoon, then becoming
mostly cloudy. Areas of fog through mid morning. Highs in the
lower 80s. Northeast winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable winds.
.SATURDAY...Mostly cloudy through mid afternoon, then becoming
partly cloudy. A slight chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s. West winds 5 to 10 mph.
Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy early in the evening, then
becoming clear. Lows in the mid 50s. Northwest winds around
5 mph.
.SUNDAY...Sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.

$$