Zone Forecast Product
Issued by NWS Chicago, IL

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129
FPUS53 KLOT 031942
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
242 PM CDT Wed Sep 3 2025

ILZ104-041015-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows near 50 to the lower 50s. Northwest
winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
Chance of precipitation 50 percent early.
.THURSDAY...Partly cloudy. Highs in the upper 60s. Northwest
winds 5 to 10 mph, increasing to west 10 to 15 mph in the
afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
upper 50s. Southwest winds 10 to 15 mph, increasing to 15 to
20 mph with gusts up to 30 to 35 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the mid to upper
60s. West winds 15 to 20 mph with gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 40s to lower 50s. West winds 10
to 15 mph, diminishing to 5 to 10 mph after midnight.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s to lower
50s.
.SUNDAY...Mostly sunny. Highs in the upper 60s to around 70.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the lower to mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s inland, but only
in the lower 70s near the lake.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Partly cloudy. Highs around 80 inland, but only in
the lower to mid 70s near the lake.

$$

ILZ103-041015-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the upper 40s. Northwest winds
10 to 15 mph, diminishing to 5 to 10 mph after midnight. Chance
of precipitation 30 to 40 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the mid 50s.
Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Increasing cloudiness. Breezy with highs in the mid
60s. West winds 15 to 20 mph, diminishing to 10 to 15 mph in the
afternoon. Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 40s. West winds 10 to 15 mph,
diminishing to around 5 mph after midnight.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s inland, but
only in the lower 70s near the lake.

$$

ILZ105-041015-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
242 PM CDT Wed Sep 3 2025

.TONIGHT...Cloudy through the early overnight, then becoming
partly cloudy. A chance of showers and thunderstorms early in the
evening. Lows in the upper 40s. Northwest winds 10 to 15 mph,
diminishing to 5 to 10 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
mid 50s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph
with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ006-041015-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. Lows in the mid 40s. Northwest winds
10 to 15 mph, diminishing to 5 to 10 mph after midnight.
.THURSDAY...Partly cloudy. Highs in the mid 60s. Northwest winds
5 to 10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the mid 50s.
Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Increasing cloudiness. Breezy with highs in the mid
60s. West winds 15 to 20 mph with gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Partly cloudy. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ005-041015-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight.
.THURSDAY...Partly cloudy. Highs in the mid 60s. West winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the lower 50s.
Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly clear. Lows in the lower 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ012-041015-
Kane-
Including the cities of Aurora and Elgin
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight. Chance of
precipitation 40 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the lower 50s.
Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ013-041015-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the upper 40s. Northwest winds
10 to 15 mph, diminishing to around 5 mph after midnight. Chance
of precipitation 40 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
mid 50s. Southwest winds 5 to 10 mph, increasing to 15 to 20 mph
with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 10 to 15 mph,
diminishing to around 5 mph after midnight.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ020-041015-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
lower 50s. Southwest winds 5 to 10 mph, increasing to 10 to
15 mph with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ106-041015-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the upper 40s. Northwest winds
10 to 15 mph, diminishing to around 5 mph after midnight. Chance
of precipitation 50 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
lower 50s. Southwest winds 5 to 10 mph, increasing to 10 to
15 mph with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ107-041015-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the upper 40s. Northwest winds
around 10 mph, diminishing to around 5 mph after midnight. Chance
of precipitation 50 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
lower 50s. Temperature rising to around 60 after midnight.
Southwest winds 5 to 10 mph, increasing to 10 to 15 mph with
gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ108-041015-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers likely and a chance of
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms late in the evening. Lows in the upper
40s. Northwest winds around 10 mph, diminishing to around 5 mph
after midnight. Chance of precipitation 70 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
mostly cloudy. Breezy with lows in the lower 50s. Temperature
rising into the upper 50s after midnight. Southwest winds 5 to
10 mph, increasing to 10 to 15 mph with gusts up to 30 mph after
midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. West winds 5 to
10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

INZ001-041015-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers likely and a chance of
thunderstorms early in the evening, then a chance of showers and
a slight chance of thunderstorms late in the evening. Lows around
50. Northwest winds 10 to 15 mph, diminishing to 5 to 10 mph
after midnight. Chance of precipitation 70 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
mostly cloudy. Lows in the lower 50s. Southwest winds 5 to
10 mph, increasing to south 10 to 15 mph with gusts up to 25 mph
after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. West winds 5 to
10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s inland, but
only in the mid 70s near the lake.

$$

INZ002-041015-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers likely and a chance of
thunderstorms early in the evening, then a chance of showers and
a slight chance of thunderstorms late in the evening. A slight
chance of showers after midnight. Lows in the lower 50s.
Northwest winds 10 to 15 mph, diminishing to 5 to 10 mph after
midnight. Chance of precipitation 70 percent.
.THURSDAY...Partly cloudy. Highs in the upper 60s. Northwest
winds 5 to 10 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
lower 50s. Southwest winds 5 to 10 mph, increasing to south 15 to
20 mph with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. West winds 5 to
10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s inland, but
only in the mid 70s near the lake.

$$

ILZ003-041015-
Winnebago-
Including the city of Rockford
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy in the evening then clearing. Lows in
the mid 40s. Northwest winds 10 to 15 mph, diminishing to around
5 mph after midnight.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers in the evening, then a chance of showers after midnight.
Breezy with lows in the lower 50s. South winds 10 to 15 mph,
increasing to southwest 15 to 20 mph with gusts up to 30 mph
after midnight. Chance of precipitation 40 percent.
.FRIDAY...Decreasing cloudiness. Breezy with highs in the lower
60s. West winds 15 to 20 mph, diminishing to 10 to 15 mph in the
afternoon. Gusts up to 30 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. West winds
5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ004-041015-
Boone-
Including the city of Belvidere
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the mid 60s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A chance of showers
after midnight. Breezy with lows in the lower 50s. South winds
10 to 15 mph, increasing to southwest 15 to 20 mph with gusts up
to 30 mph after midnight. Chance of precipitation 40 percent.
.FRIDAY...Partly cloudy and breezy. Highs in the lower 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. West winds
5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ008-041015-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the lower 50s. South
winds 10 to 15 mph, increasing to southwest 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. West winds
5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ011-041015-
De Kalb-
Including the cities of DeKalb and Sycamore
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the lower 50s.
Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy early in the evening, then becoming
mostly clear. Lows in the lower 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ010-041015-
Lee-
Including the city of Dixon
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. A slight chance of
showers after midnight. Breezy with lows in the lower 50s. South
winds 10 to 15 mph, increasing to southwest 15 to 20 mph with
gusts up to 30 mph after midnight. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. West winds
5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ019-041015-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming mostly clear. A chance of showers and thunderstorms
early in the evening. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. West winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
lower 50s. Southwest winds 5 to 10 mph, increasing to 15 to
20 mph with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ021-041015-
Grundy-
Including the cities of Morris, Coal City, and Minooka
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. A chance of showers and thunderstorms
early in the evening. Lows in the mid 40s. Northwest winds 10 to
15 mph, diminishing to around 5 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs around 70. Northwest winds 5 to 10 mph,
increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Breezy with lows in the
lower 50s. Southwest winds 5 to 10 mph, increasing to 10 to
15 mph with gusts up to 30 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ032-041015-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. Showers likely and a chance of
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms late in the evening. Lows in the upper
40s. Northwest winds 5 to 10 mph. Chance of precipitation
70 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs around 70. Northwest winds 5 to 10 mph,
increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Lows in the lower 50s.
Southwest winds 5 to 10 mph, increasing to 10 to 15 mph with
gusts up to 25 mph after midnight.
.FRIDAY...Increasing cloudiness. Breezy with highs in the upper
60s. West winds 15 to 20 mph, diminishing to 10 to 15 mph in the
afternoon. Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. West winds 5 to
10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ023-041015-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers likely and a chance of
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms late in the evening. Lows in the upper
40s. Northwest winds around 10 mph, diminishing to around 5 mph
after midnight. Chance of precipitation 70 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, increasing to west 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Lows in the lower 50s.
Southwest winds 5 to 10 mph, increasing to 10 to 15 mph with
gusts up to 25 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon.
Gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. West winds 5 to
10 mph.
.SATURDAY...Partly cloudy. Highs around 70.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ039-041015-
Ford-
Including the cities of Paxton and Gibson City
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy through the early overnight, then
becoming partly cloudy. Showers likely and a chance of
thunderstorms early in the evening, then a chance of showers and
a slight chance of thunderstorms late in the evening. Lows in the
upper 40s. Northwest winds 5 to 10 mph. Chance of precipitation
70 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs around 70. Northwest winds 5 to 10 mph,
becoming west in the afternoon.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 50s. Southwest winds 5 to
10 mph, increasing to 10 to 15 mph with gusts up to 25 mph after
midnight.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Breezy with highs around 70. West winds 10 to 15 mph with
gusts up to 30 mph.
.FRIDAY NIGHT...Mostly cloudy early in the evening, then
clearing. Lows in the mid 40s. West winds 5 to 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ033-041015-
Iroquois-
Including the cities of Watseka and Gilman
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers and a chance of thunderstorms
early in the evening, then a chance of showers and a slight
chance of thunderstorms late in the evening. A slight chance of
showers after midnight. Lows in the upper 40s. Northwest winds
5 to 10 mph. Chance of precipitation 80 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs around 70. Northwest winds 5 to 10 mph,
becoming west in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Lows in the lower 50s.
Southwest winds 5 to 10 mph, increasing to south 10 to 15 mph
with gusts up to 25 mph after midnight.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s. West winds 10 to 15 mph with
gusts up to 25 mph.
.FRIDAY NIGHT...Partly cloudy through the early overnight, then
becoming mostly clear. Lows in the mid 40s. West winds 5 to
10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

INZ010-041015-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers and a chance of thunderstorms
early in the evening, then a chance of showers and a slight
chance of thunderstorms late in the evening. A slight chance of
showers after midnight. Lows in the upper 40s. Northwest winds
5 to 10 mph. Chance of precipitation 80 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Lows in the lower 50s.
Southwest winds around 5 mph, increasing to south 10 to 15 mph
with gusts up to 25 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 10 to 15 mph with gusts up to 30 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. West winds
5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

INZ011-041015-
Jasper-
Including the cities of Rensselaer and DeMotte
242 PM CDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers and a chance of thunderstorms
early in the evening, then a chance of showers and a slight
chance of thunderstorms late in the evening. A slight chance of
showers after midnight. Lows in the upper 40s. Northwest winds
5 to 10 mph. Chance of precipitation 80 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Increasing cloudiness. Lows around 50.
Southwest winds around 5 mph, increasing to south 10 to 15 mph
with gusts up to 25 mph after midnight.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 60s. West
winds 10 to 15 mph with gusts up to 30 mph.
.FRIDAY NIGHT...Decreasing cloudiness. Lows in the lower 40s.
West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Highs in the upper 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows in the lower 40s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

INZ019-041015-
Benton-
Including the cities of Fowler and Oxford
342 PM EDT Wed Sep 3 2025

.TONIGHT...Mostly cloudy. Showers and a chance of thunderstorms
in the evening, then a slight chance of showers after midnight.
Lows around 50. Northwest winds 5 to 10 mph. Chance of
precipitation 80 percent.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the upper 60s. Northwest winds 5 to
10 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 50s. Southwest winds around
5 mph, increasing to south 10 to 15 mph with gusts up to 25 mph
after midnight.
.FRIDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs around 70. West winds 10 to 15 mph. Gusts up to
25 mph in the morning.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 40s. Northwest winds 5 to 10 mph
in the evening, becoming light and variable.
.SATURDAY...Partly cloudy. Highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Clear. Lows in the mid 40s.
.MONDAY...Sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$