Zone Forecast Product
Issued by NWS Chicago, IL

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549
FPUS53 KLOT 190006
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
705 PM CDT Fri Sep 18 2026

ILZ104-191500-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A chance of showers and thunderstorms
after midnight. Lows in the lower 60s. East winds 10 to 15 mph.
Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph,
becoming south 5 to 10 mph in the afternoon. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. Southeast winds around 5 mph, becoming north after
midnight. Chance of precipitation 80 percent.
.SUNDAY...Showers likely with a slight chance of thunderstorms.
Breezy with highs in the upper 60s. Northeast winds 15 to 20 mph
with gusts up to 30 mph. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
upper 50s. Northeast winds 15 to 20 mph with gusts up to 25 mph,
becoming east 10 to 15 mph after midnight. Chance of
precipitation 50 percent.
.MONDAY...Cloudy with a 50 percent chance of showers. Breezy with
highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the mid 50s. Chance of precipitation
20 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 70.

$$

ILZ103-191500-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely after midnight. Lows in the lower 60s. East winds 10 to
15 mph. Chance of precipitation 70 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Highs in the
mid 70s. Southeast winds 10 to 15 mph, diminishing to 5 to 10 mph
in the afternoon. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation
80 percent.
.SUNDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Breezy with highs in the upper 60s. Northeast winds
10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Gusts
up to 30 mph. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Cloudy. A chance of showers. Lows in the mid 50s.
Northeast winds 15 to 20 mph with gusts up to 25 mph, becoming
east 10 to 15 mph after midnight. Chance of precipitation
50 percent.
.MONDAY...Cloudy with a 50 percent chance of showers. Breezy with
highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the lower 50s. Chance of precipitation
20 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the lower 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 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 mid 50s.
.FRIDAY...Partly cloudy. Highs around 70.

$$

ILZ105-191500-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. A chance of showers and
thunderstorms late. Lows in the lower 60s. East winds around
10 mph. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph.
Chance of precipitation 80 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds around 5 mph, becoming north after midnight.
Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
around 70. Northeast winds 10 to 15 mph. Gusts up to 25 mph in
the afternoon. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the mid 60s. Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 70.

$$

ILZ006-191500-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers in the
evening. A slight chance of thunderstorms late in the evening,
then showers and thunderstorms likely after midnight. Lows in the
lower 60s. East winds 10 to 15 mph. Chance of precipitation
70 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Highs in the
mid 70s. Southeast winds 10 to 15 mph. Chance of precipitation
near 100 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Lows in the lower 60s.
East winds 5 to 10 mph, increasing to north 10 to 15 mph after
midnight. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Breezy. Near steady temperature in the mid 60s.
Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of
precipitation 60 percent.
.SUNDAY NIGHT...Cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the mid
50s. Northeast winds 15 to 20 mph. Chance of precipitation
40 percent.
.MONDAY...Cloudy with a 40 percent chance of showers. Breezy with
highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the lower 50s. Chance of precipitation
20 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the lower 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 60s.

$$

ILZ005-191500-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 1 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...A slight chance of showers and thunderstorms in the
evening, then showers with thunderstorms likely after midnight.
Locally heavy rainfall possible late. Lows in the lower 60s. East
winds around 10 mph. Chance of precipitation near 100 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Highs in the
mid 70s. Southeast winds 5 to 10 mph. Chance of precipitation
near 100 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Lows in the lower 60s.
Northeast winds 5 to 10 mph. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Breezy with highs in the upper 60s. Northeast winds
10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Gusts
up to 30 mph. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the mid
50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 40 percent.
.MONDAY...Cloudy with a 40 percent chance of showers. Breezy with
highs in the lower 60s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows around 50. Chance of precipitation 20 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the lower 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.

$$

ILZ012-191500-
Kane-
Including the cities of Aurora and Elgin
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms late in the evening. A chance of showers and
thunderstorms after midnight, then showers and thunderstorms
likely late. Lows in the lower 60s. East winds around 10 mph.
Chance of precipitation 70 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms in the afternoon.
Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. East winds around 5 mph, becoming north after midnight.
Chance of precipitation 80 percent.
.SUNDAY...Showers likely with a slight chance of thunderstorms.
Breezy with highs in the upper 60s. Northeast winds 10 to 15 mph,
increasing to 15 to 20 mph in the afternoon. Gusts up to 30 mph.
Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy with a 50 percent chance of showers.
Breezy with highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the lower 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows around 50.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs around 70.

$$

ILZ013-191500-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A chance of showers and thunderstorms
after midnight. Showers and thunderstorms likely late. Lows in
the lower 60s. East winds around 10 mph. Chance of precipitation
70 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph,
becoming south 5 to 10 mph in the afternoon. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. East winds around 5 mph, becoming north after midnight.
Chance of precipitation 80 percent.
.SUNDAY...Showers likely with a slight chance of thunderstorms.
Breezy. Near steady temperature in the upper 60s. Northeast winds
10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Gusts
up to 30 mph. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 50 percent.
.MONDAY...Cloudy with a 50 percent chance of showers. Breezy with
highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the lower 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.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...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 70.

$$

ILZ020-191500-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A chance of showers and thunderstorms
after midnight. Lows in the mid 60s. East winds around 10 mph.
Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely,
mainly in the morning. Humid with highs around 80. Southeast
winds 5 to 10 mph. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds around 5 mph, becoming north after midnight.
Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
around 70. Northeast winds 10 to 15 mph. Gusts up to 25 mph in
the afternoon. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
upper 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in
the evening. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the mid 60s. Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A chance of showers in the morning.
Highs in the mid 60s. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.WEDNESDAY...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 upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ106-191500-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. A chance of showers and
thunderstorms late. Lows in the lower 60s. East winds around
10 mph. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Humid with highs in the upper 70s. Southeast winds
5 to 10 mph. Chance of precipitation 80 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds around 5 mph, becoming north after midnight.
Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
around 70. Northeast winds 10 to 15 mph. Gusts up to 25 mph in
the afternoon. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Showers likely, mainly in the morning.
Highs in the mid 60s. Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the mid 60s. Chance of precipitation
30 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.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 mid 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ107-191500-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms after
midnight. A chance of showers and thunderstorms late. Lows in the
mid 60s. East winds 5 to 10 mph. Chance of precipitation
40 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely in
the morning, then a slight chance of showers and thunderstorms
early in the afternoon. A chance of showers and thunderstorms
late. Humid with highs in the lower 80s. Southeast winds 5 to
10 mph. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
upper 60s. South winds around 5 mph, becoming northwest after
midnight. Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers. A
slight chance of thunderstorms in the afternoon. Highs in the
lower 70s. Northeast winds 10 to 15 mph. Chance of precipitation
80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening, then showers likely with a slight chance of
thunderstorms after midnight. Lows in the upper 50s. Northeast
winds 10 to 15 mph. Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A chance of showers, mainly in the
morning. Highs in the mid 60s. Chance of precipitation
30 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs around 70.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ108-191500-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms after
midnight. A chance of showers and thunderstorms late. Lows in the
lower 60s. East winds around 10 mph. Chance of precipitation
40 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Humid with highs in the upper 70s. Southeast winds
5 to 10 mph. Chance of precipitation 80 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds around 5 mph, becoming northwest after
midnight. Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
in the lower 70s. Northeast winds 10 to 15 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening, then showers likely after midnight. Lows in the mid 50s.
Northeast winds 10 to 15 mph. Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 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.

$$

INZ001-191500-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms after
midnight. A chance of showers and thunderstorms late. Lows in the
lower 60s. East winds 5 to 10 mph. Chance of precipitation
50 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds 5 to 10 mph, becoming northwest after
midnight. Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
in the lower 70s. Northeast winds 10 to 15 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Chance of precipitation
50 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 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 mid 50s.
.FRIDAY...Partly cloudy. Highs around 70.

$$

INZ002-191500-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms after
midnight. A chance of showers and thunderstorms late. Lows around
60. East winds 5 to 10 mph. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds 5 to 10 mph, becoming northwest after
midnight. Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
in the lower 70s. North winds 5 to 10 mph, increasing to
northeast 10 to 15 mph in the afternoon. Chance of precipitation
70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Chance of precipitation
50 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows around 50.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 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.

$$

ILZ003-191500-
Winnebago-
Including the city of Rockford
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 1 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...A slight chance of showers and thunderstorms in the
evening, then showers with thunderstorms likely after midnight.
Locally heavy rainfall possible late. Lows in the lower 60s. East
winds 10 to 15 mph. Chance of precipitation near 100 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Humid with
highs in the mid 70s. Southeast winds 10 to 15 mph, becoming east
5 to 10 mph in the afternoon. Chance of precipitation near
100 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Lows in the lower 60s.
Northeast winds 5 to 10 mph. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the upper 60s. Northeast winds 15 to 20 mph
with gusts up to 25 mph. Chance of precipitation 60 percent.
.SUNDAY 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 15 to 20 mph with gusts up to 25 mph,
diminishing to 10 to 15 mph after midnight. Chance of
precipitation 40 percent.
.MONDAY...Mostly cloudy with a 40 percent chance of showers.
Highs in the lower 60s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
upper 40s. Chance of precipitation 30 percent.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the lower 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows around 50.
.FRIDAY...Partly cloudy. Highs in the upper 60s.

$$

ILZ004-191500-
Boone-
Including the city of Belvidere
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 1 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then showers with thunderstorms
likely after midnight. Locally heavy rainfall possible late. Lows
in the lower 60s. East winds 10 to 15 mph. Chance of
precipitation 90 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Highs in the
mid 70s. Southeast winds 5 to 10 mph. Chance of precipitation
near 100 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Lows in the lower 60s.
Northeast winds 5 to 10 mph. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Breezy with highs in the upper 60s. Northeast winds
15 to 20 mph with gusts up to 30 mph. Chance of precipitation
60 percent.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the mid
50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 40 percent.
.MONDAY...Cloudy with a 40 percent chance of showers. Breezy with
highs in the lower 60s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
upper 40s. Chance of precipitation 30 percent.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the lower 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...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.

$$

ILZ008-191500-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 1 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms late in the evening. A chance of showers and
thunderstorms after midnight, then showers and thunderstorms
likely late. Locally heavy rainfall possible late. Lows in the
lower 60s. East winds 10 to 15 mph. Chance of precipitation
70 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Humid with
highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Lows in the lower 60s.
North winds 5 to 10 mph. Chance of precipitation 80 percent.
.SUNDAY...Showers likely with a slight chance of thunderstorms.
Highs in the upper 60s. Northeast winds 10 to 15 mph, increasing
to 15 to 20 mph in the afternoon. Chance of precipitation
70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
lower 50s. Northeast winds 15 to 20 mph with gusts up to 25 mph,
diminishing to 10 to 15 mph after midnight. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of
showers. Lows in the upper 40s.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the lower 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows around 50.
.FRIDAY...Partly cloudy. Highs around 70.

$$

ILZ011-191500-
De Kalb-
Including the cities of DeKalb and Sycamore
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms late in the evening. A chance of showers and
thunderstorms after midnight, then showers and thunderstorms
likely late. Lows in the lower 60s. East winds 10 to 15 mph.
Chance of precipitation 70 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms in the afternoon.
Humid with highs in the upper 70s. Southeast winds 10 to 15 mph,
becoming south 5 to 10 mph in the afternoon. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation
80 percent.
.SUNDAY...Showers likely with a slight chance of thunderstorms.
Breezy with highs in the upper 60s. Northeast winds 10 to 15 mph,
increasing to 15 to 20 mph in the afternoon. Gusts up to 30 mph.
Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 50 percent.
.MONDAY...Cloudy with a 50 percent chance of showers. Breezy with
highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy with a 30 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the lower 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly cloudy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ010-191500-
Lee-
Including the city of Dixon
705 PM CDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT FROM 4 AM CDT SATURDAY THROUGH SATURDAY
AFTERNOON...

.TONIGHT...Mostly cloudy. A chance of thunderstorms after
midnight. A chance of showers after midnight. Thunderstorms
likely late. Lows in the mid 60s. Southeast winds 10 to 15 mph.
Chance of precipitation 60 percent.
.SATURDAY...Showers with thunderstorms likely in the morning,
then a chance of showers and thunderstorms early in the
afternoon. Showers and thunderstorms likely late. Humid with
highs around 80. Southeast winds 10 to 15 mph, becoming south
5 to 10 mph in the afternoon. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
lower 60s. North winds 5 to 10 mph. Chance of precipitation
80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
in the upper 60s. Northeast winds 10 to 15 mph, increasing to
15 to 20 mph with gusts up to 25 mph in the afternoon. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers. Lows in the
mid 50s. Northeast winds 15 to 20 mph with gusts up to 25 mph,
diminishing to 10 to 15 mph after midnight. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the mid 60s.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the mid 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.THURSDAY...Mostly cloudy. Highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ019-191500-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
705 PM CDT Fri Sep 18 2026

.TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. A chance of showers and
thunderstorms late. Lows in the mid 60s. East winds around
10 mph. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely in
the morning, then a slight chance of showers and thunderstorms
early in the afternoon. A chance of showers and thunderstorms
late. Humid with highs in the lower 80s. Southeast winds around
10 mph, becoming south in the afternoon. Chance of precipitation
70 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
mid 60s. South winds around 5 mph, becoming north after midnight.
Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers. A
slight chance of thunderstorms in the afternoon. Highs in the
lower 70s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in
the afternoon. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Chance of precipitation
70 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
70 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. Chance of precipitation 30 percent.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the mid 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.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...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ021-191500-
Grundy-
Including the cities of Morris, Coal City, and Minooka
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms after
midnight. A chance of showers and thunderstorms late. Lows in the
mid 60s. East winds 5 to 10 mph. Chance of precipitation
40 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely in
the morning, then a slight chance of showers and thunderstorms
early in the afternoon. A chance of showers and thunderstorms
late. Humid with highs in the lower 80s. Southeast winds 5 to
10 mph, becoming south in the afternoon. Chance of precipitation
70 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
upper 60s. South winds around 5 mph, becoming north after
midnight. Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers. A
slight chance of thunderstorms in the afternoon. Highs in the
lower 70s. Northeast winds 10 to 15 mph. Chance of precipitation
80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph.
Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the upper 60s. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the mid 50s.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the mid 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...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...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ032-191500-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms late. Lows
in the mid 60s. Southeast winds 5 to 10 mph. Chance of
precipitation 20 percent.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms
in the morning. A slight chance of showers and thunderstorms
late. Humid with highs in the mid 80s. South winds 5 to 10 mph.
Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A chance of thunderstorms. Showers likely after
midnight. Humid with lows in the upper 60s. South winds around
5 mph, becoming north after midnight. Chance of precipitation
70 percent.
.SUNDAY...Showers likely with a chance of thunderstorms. Humid
with highs in the mid 70s. Northeast winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Showers likely with a slight chance of
thunderstorms. Lows in the upper 50s. Northeast winds 10 to
15 mph. Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy with a slight chance of thunderstorms.
Showers likely, mainly in the morning. Highs in the upper 60s.
Chance of precipitation 70 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. Chance of precipitation 30 percent.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the mid 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...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...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ023-191500-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A chance of showers and thunderstorms late. Lows in the
lower 60s. East winds 5 to 10 mph. Chance of precipitation
40 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely in
the morning, then a slight chance of showers and thunderstorms
early in the afternoon. A chance of showers and thunderstorms
late. Humid with highs in the lower 80s. Southeast winds 5 to
10 mph. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers. A
chance of thunderstorms after midnight. Humid with lows in the
upper 60s. South winds around 5 mph, becoming northwest after
midnight. Chance of precipitation 80 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
in the lower 70s. Northeast winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon. Chance of precipitation
70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph.
Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
70 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs around 70.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ039-191500-
Ford-
Including the cities of Paxton and Gibson City
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms late. Lows
in the mid 60s. East winds 5 to 10 mph. Chance of precipitation
20 percent.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms
in the morning, then a slight chance of showers and thunderstorms
early in the afternoon. Humid with highs in the mid 80s. South
winds 5 to 10 mph. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms early in the evening, then a chance of showers and
thunderstorms in the late evening and overnight. Humid with lows
in the upper 60s. South winds around 5 mph, becoming northwest
after midnight. Chance of precipitation 50 percent.
.SUNDAY...Showers likely with a chance of thunderstorms. Humid
with highs in the upper 70s. Northeast winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight. Lows in the upper 50s.
Northeast winds 10 to 15 mph. Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy with a chance of thunderstorms. Showers
likely, mainly in the morning. Highs in the upper 60s. Chance of
precipitation 70 percent.
.MONDAY NIGHT...Mostly cloudy with a 30 percent chance of
showers. Lows in the lower 50s.
.TUESDAY...Mostly cloudy. A slight chance of showers in the
morning. Highs in the mid 60s. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...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...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ033-191500-
Iroquois-
Including the cities of Watseka and Gilman
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A slight chance of showers and thunderstorms late. Lows
in the mid 60s. East winds 5 to 10 mph. Chance of precipitation
20 percent.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms,
mainly in the morning. Humid with highs in the mid 80s. Southeast
winds 5 to 10 mph. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A chance of thunderstorms. Showers likely after
midnight. Humid with lows in the upper 60s. South winds around
5 mph, becoming northwest after midnight. Chance of precipitation
70 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Humid
with highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy. Showers likely with a chance of
thunderstorms in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon. Highs in the
upper 60s. Chance of precipitation 70 percent.
.MONDAY NIGHT...Mostly cloudy. A chance of showers, mainly in the
evening. Lows in the lower 50s. Chance of precipitation
30 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs in the lower 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

INZ010-191500-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A chance of showers and thunderstorms late. Lows in the
lower 60s. East winds 5 to 10 mph. Chance of precipitation
30 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely,
mainly in the morning. Humid with highs in the lower 80s.
Southeast winds 5 to 10 mph. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A chance of thunderstorms. Showers likely after
midnight. Humid with lows in the upper 60s. South winds around
5 mph, becoming west after midnight. Chance of precipitation
70 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Highs
in the mid 70s. Northeast winds 5 to 10 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph.
Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy with a slight chance of thunderstorms.
Showers likely, mainly in the morning. Highs in the mid 60s.
Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows around 50.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows around 50.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs around 70.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

INZ011-191500-
Jasper-
Including the cities of Rensselaer and DeMotte
705 PM CDT Fri Sep 18 2026

.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A chance of showers and thunderstorms late. Lows in the
lower 60s. East winds 5 to 10 mph. Chance of precipitation
40 percent.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely,
mainly in the morning. Humid with highs around 80. Southeast
winds 5 to 10 mph. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Thunderstorms likely in the evening. Showers
likely. A chance of thunderstorms after midnight. Humid with lows
in the upper 60s. South winds around 5 mph, becoming west after
midnight. Chance of precipitation 70 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Humid
with highs in the mid 70s. North winds 5 to 10 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Less humid with lows in the mid 50s. Northeast winds
10 to 15 mph. Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Highs in the mid 60s. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows around 50.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows around 50.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs around 70.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 70s.

$$

INZ019-191500-
Benton-
Including the cities of Fowler and Oxford
805 PM EDT Fri Sep 18 2026

.TONIGHT...Partly cloudy. Lows in the lower 60s. East winds 5 to
10 mph.
.SATURDAY...Mostly cloudy. Showers and thunderstorms likely,
mainly in the morning. Humid with highs in the lower 80s.
Southeast winds 5 to 10 mph. Chance of precipitation 60 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A chance of thunderstorms. Showers likely after
midnight. Humid with lows in the upper 60s. South winds around
5 mph, becoming southwest after midnight. Chance of precipitation
60 percent.
.SUNDAY...A chance of thunderstorms in the morning. Showers
likely. A slight chance of thunderstorms in the afternoon. Humid
with highs in the upper 70s. North winds 5 to 10 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers in the
evening. A slight chance of thunderstorms. Showers likely after
midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph.
Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy. Showers likely with a chance of
thunderstorms in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon. Highs in the
upper 60s. Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy. A chance of showers in the
evening, then a slight chance of showers and thunderstorms after
midnight. Lows in the lower 50s. Chance of precipitation
30 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of showers.
Highs in the mid 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly cloudy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s.
.THURSDAY...Mostly cloudy. Highs around 70.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$