069
FPUS53 KLOT 201747
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
1246 PM CDT Thu Aug 20 2026

ILZ104-210100-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds 5 to 10 mph.
.TONIGHT...Partly cloudy. Lows in the lower 60s. East winds
around 5 mph, becoming southwest after midnight.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms late. Highs in the lower 80s. Southwest winds 5 to
10 mph. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Southwest
winds 5 to 10 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 60s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.TUESDAY...Partly cloudy. Highs around 80.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers after midnight. Lows in the
mid 60s. Chance of precipitation 30 percent.
.WEDNESDAY...A chance of showers in the morning. Partly cloudy.
Highs in the lower 80s. Chance of precipitation 30 percent.

$$

ILZ103-210100-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds around 5 mph.
.TONIGHT...Partly cloudy. Lows in the lower 60s. Southeast winds
around 5 mph, becoming southwest after midnight.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms early in the afternoon. A chance of showers and
thunderstorms late. Highs around 80. Southwest winds 5 to 10 mph.
Chance of precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. West winds
5 to 10 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.TUESDAY...Partly cloudy. Highs around 80.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ105-210100-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
70s. Northeast winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 60. Northeast winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms late. Highs around 80. Southwest winds 5 to 10 mph.
Chance of precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight. Lows in the mid 60s. Southwest winds around
5 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 60.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.WEDNESDAY...A chance of showers in the morning. Partly cloudy.
Highs around 80. Chance of precipitation 30 percent.

$$

ILZ006-210100-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
mid 70s. East winds around 5 mph.
.TONIGHT...Partly cloudy. Lows in the upper 50s. East winds
around 5 mph, becoming southwest after midnight.
.FRIDAY...Mostly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs around 80. Southwest winds 5 to 10 mph.
Chance of precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely
in the evening. Lows in the lower 60s. West winds 5 to 10 mph.
Chance of precipitation 60 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy. Lows around 60.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ005-210100-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
upper 70s. East winds around 5 mph.
.TONIGHT...Partly cloudy. Lows in the upper 50s. Southeast winds
around 5 mph, becoming south after midnight.
.FRIDAY...Mostly cloudy. A slight chance of showers late in the
morning. A chance of showers and thunderstorms early in the
afternoon, then showers and thunderstorms likely late. Highs in
the upper 70s. Southwest winds 5 to 10 mph. Chance of
precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely
in the evening. Lows in the lower 60s. West winds around 5 mph.
Chance of precipitation 60 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. A chance of showers after
midnight. Lows in the lower 60s. Chance of precipitation
30 percent.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ012-210100-
Kane-
Including the cities of Aurora and Elgin
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. Northeast winds around
5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. East winds around 5 mph, becoming
south after midnight.
.FRIDAY...Mostly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s. Southwest winds 5 to
10 mph. Chance of precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely
in the evening. Lows in the lower 60s. Southwest winds around
5 mph, becoming west after midnight. Chance of precipitation
60 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph, increasing to 10 to
15 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ013-210100-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
70s. Northeast winds around 5 mph.
.TONIGHT...Partly cloudy. Lows around 60. East winds around
5 mph, becoming southwest after midnight.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms early in the afternoon. A chance of showers and
thunderstorms late. Highs around 80. Southwest winds 5 to 10 mph.
Chance of precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. West winds
around 5 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds around 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy. Lows around 60.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ020-210100-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. Northeast winds around
5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. East winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms early in the afternoon. A chance of showers and
thunderstorms late. Highs around 80. Southwest winds 5 to 10 mph.
Chance of precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely
in the evening. Lows in the lower 60s. Southwest winds around
5 mph, becoming west after midnight. Chance of precipitation
60 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 10 to 15 mph.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ106-210100-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
70s. Northeast winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. East winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy. A chance of showers and thunderstorms
late. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance
of precipitation 40 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Southwest
winds around 5 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Clear. Lows around 60.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ107-210100-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
70s. Northeast winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. East winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms late. Highs
in the upper 70s. Southwest winds 5 to 10 mph. Chance of
precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Southwest
winds around 5 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ108-210100-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. Northeast winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms late. Highs in the upper 70s. Southwest winds 5 to
10 mph. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely
in the evening, then a slight chance of showers after midnight.
Lows in the lower 60s. Southwest winds around 5 mph. Chance of
precipitation 60 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...A chance of showers in the morning. Partly cloudy.
Highs in the upper 70s. Chance of precipitation 30 percent.

$$

INZ001-210100-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. Northeast winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy. Highs in the upper 70s. Southwest winds
5 to 10 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of thunderstorms in the
evening. A chance of showers. Lows in the mid 60s. Southwest
winds around 5 mph. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy in the morning, then clearing. Highs in
the mid 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...A chance of showers in the morning. Partly cloudy.
Highs in the upper 70s. Chance of precipitation 30 percent.

$$

INZ002-210100-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
North winds 5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. Northeast winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy. Highs in the upper 70s. South winds
around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of thunderstorms in the
evening. A chance of showers. A slight chance of thunderstorms
after midnight. Lows in the mid 60s. Southwest winds around
5 mph. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy in the morning, then clearing. Highs in
the mid 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear with a 20 percent chance of
showers. Lows in the lower 60s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy with a chance of showers. A chance of
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
precipitation 30 percent.

$$

ILZ003-210100-
Winnebago-
Including the city of Rockford
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Mostly sunny. Highs around 80. East winds
around 5 mph.
.TONIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
.FRIDAY...Mostly cloudy. A chance of showers with a slight chance
of thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. Highs around 80. Southwest winds 5 to
10 mph. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A chance of showers and thunderstorms in the
evening. Lows around 60. West winds around 5 mph. Chance of
precipitation 50 percent.
.SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. A chance of showers after
midnight. Lows in the lower 60s. Chance of precipitation
30 percent.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ004-210100-
Boone-
Including the city of Belvidere
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny early in the afternoon, then becoming
partly cloudy. Highs around 80. East winds around 5 mph.
.TONIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
.FRIDAY...Mostly cloudy. A slight chance of showers late in the
morning. A chance of showers and thunderstorms early in the
afternoon, then showers and thunderstorms likely late. Highs in
the upper 70s. Southwest winds 5 to 10 mph. Chance of
precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Showers and thunderstorms likely in the evening.
Lows around 60. Southwest winds around 5 mph, becoming northwest
after midnight. Chance of precipitation 60 percent.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. A chance of showers after
midnight. Lows in the lower 60s. Chance of precipitation
30 percent.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ008-210100-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. East winds around
5 mph.
.TONIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph.
.FRIDAY...Mostly cloudy. A slight chance of showers and
thunderstorms late in the morning. A chance of showers and
thunderstorms early in the afternoon, then showers and
thunderstorms likely late. Highs around 80. Southwest winds 5 to
10 mph. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A chance of showers and thunderstorms in the
evening. Lows in the lower 60s. West winds around 5 mph. Chance
of precipitation 50 percent.
.SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ011-210100-
De Kalb-
Including the cities of DeKalb and Sycamore
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. Northeast winds around
5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. Southeast winds around 5 mph.
.FRIDAY...Mostly cloudy. A chance of showers and thunderstorms
early in the afternoon. Showers and thunderstorms likely late.
Highs around 80. Southwest winds 5 to 10 mph. Chance of
precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely
in the evening. Lows in the lower 60s. Southwest winds around
5 mph, becoming northwest after midnight. Chance of precipitation
60 percent.
.SATURDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ010-210100-
Lee-
Including the city of Dixon
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. East winds around
5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. Southeast winds around 5 mph.
.FRIDAY...Mostly cloudy. A slight chance of showers late in the
morning. A chance of showers and thunderstorms early in the
afternoon, then showers and thunderstorms likely late. Highs in
the lower 80s. Southwest winds 5 to 10 mph. Chance of
precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Showers and thunderstorms likely in the evening.
Lows in the lower 60s. West winds around 5 mph. Chance of
precipitation 60 percent.
.SATURDAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ019-210100-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
1246 PM CDT Thu Aug 20 2026

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

$$

ILZ021-210100-
Grundy-
Including the cities of Morris, Coal City, and Minooka
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. Northeast winds around
5 mph.
.TONIGHT...Clear in the evening, then becoming partly cloudy.
Lows in the upper 50s. East winds around 5 mph in the evening,
becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of showers and thunderstorms late. Highs in the
lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation
40 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Southwest
winds around 5 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Clear. Lows around 60.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows around 60.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs around 80.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ032-210100-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Highs around 80. Northeast winds around
5 mph.
.TONIGHT...Mostly clear. Lows in the upper 50s. East winds around
5 mph in the evening, becoming light and variable.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms late. Highs in the lower 80s. Southwest winds
around 5 mph. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Southwest
winds around 5 mph. Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Clear. Lows around 60.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ023-210100-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. Northeast winds around 5 mph in
the evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s. Southwest winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. A slight chance of showers after
midnight. Lows in the lower 60s. Southwest winds around 5 mph.
Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs around 80.

$$

ILZ039-210100-
Ford-
Including the cities of Paxton and Gibson City
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
70s. Northeast winds around 5 mph.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs around 80. Southwest winds around
5 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. A slight chance of showers after
midnight. Lows in the mid 60s. Southwest winds around 5 mph.
Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ033-210100-
Iroquois-
Including the cities of Watseka and Gilman
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds around 5 mph.
.TONIGHT...Clear in the evening, then becoming partly cloudy.
Lows in the upper 50s. Northeast winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs around 80. Southwest winds around
5 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms in the evening. A slight chance of showers after
midnight. Lows in the lower 60s. Southwest winds around 5 mph.
Chance of precipitation 50 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.

$$

INZ010-210100-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds around 5 mph.
.TONIGHT...Clear in the evening, then becoming partly cloudy.
Lows in the upper 50s. Northeast winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s. Southwest winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of thunderstorms in the
evening. A chance of showers. A slight chance of thunderstorms
after midnight. Lows in the lower 60s. Light and variable winds,
becoming southwest around 5 mph after midnight. Chance of
precipitation 50 percent.
.SATURDAY...Mostly cloudy in the morning, then clearing. Highs in
the mid 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the upper 70s. Chance of precipitation
30 percent.

$$

INZ011-210100-
Jasper-
Including the cities of Rensselaer and DeMotte
1246 PM CDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
North winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. North winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 70s. Southwest winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A chance of thunderstorms in the
evening. A chance of showers. A slight chance of thunderstorms
after midnight. Lows in the lower 60s. Southwest winds around
5 mph. Chance of precipitation 40 percent.
.SATURDAY...Mostly cloudy in the morning, then clearing. Highs in
the mid 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy with a chance of showers. A chance of
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
precipitation 30 percent.

$$

INZ019-210100-
Benton-
Including the cities of Fowler and Oxford
146 PM EDT Thu Aug 20 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 70s.
Northeast winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. North winds around 5 mph in the
evening, becoming light and variable.
.FRIDAY...Partly cloudy. Highs in the upper 70s. Light and
variable winds, becoming southwest around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A chance of thunderstorms in the
evening. A chance of showers. A slight chance of thunderstorms
after midnight. Lows in the mid 60s. Light and variable winds,
becoming southwest around 5 mph after midnight. Chance of
precipitation 40 percent.
.SATURDAY...Mostly cloudy in the morning, then clearing. Highs in
the upper 70s. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs around 80. Chance of precipitation
30 percent.

$$