Wenona, IL Weather Forecast

Local 7-day forecast

79°
F

Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Wenona, IL in one place.

Friday, September 18, 2026
Wind: 5 to 8 mph ENE
Friday

A chance of rain showers before 1pm. Mostly cloudy, with a high near 79. East northeast wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Wenona, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 17, 2026 7:21 AM CDT.

The active forecast window currently covers Sep 18 to Sep 23, 2026 for Wenona, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 18 to Sep 23, 2026
Latest sync
Sep 17, 2026 7:21 AM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
79°F
Friday
Next Low
67°F
Friday Night
Rain Outlook
9
Periods mentioning precipitation
Windiest
9 to 16 mph
Sunday Night

Daily Outlook

Today
Sep 18
Chance Rain Showers
79 °F
/ 67°F
Wind 5 to 8 mph
Sat
Sep 19
Chance Showers And Thunderstorms
88 °F
/ 67°F
Wind 9 mph
Sun
Sep 20
Showers And Thunderstorms Likely
75 °F
/ 59°F
Wind 5 to 14 mph
Mon
Sep 21
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
69 °F
/ 55°F
Wind 10 to 14 mph
Tue
Sep 22
Slight Chance Rain Showers
70 °F
/ 54°F
Wind 10 mph
Wed
Sep 23
Mostly Sunny
74 °F
Wind 3 to 7 mph

This Week in Wenona

Saturday looks like the warmest upcoming period in Wenona at 88 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Sunday Night at about 9 to 16 mph ENE.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Sep 17, 2026 7:21 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
ILX
Radar station
KLOT

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Friday Night
Sep 18
67°F
Mostly Cloudy then Chance Showers And Thunderstorms
10 mph ESE

A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. East southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Saturday
Sep 19
88°F
Chance Showers And Thunderstorms
9 mph S

A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night
Sep 19
67°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
3 to 7 mph NW

A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Northwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Sep 20
75°F
Showers And Thunderstorms Likely
5 to 14 mph NNE

Showers and thunderstorms likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

Sunday Night
Sep 20
59°F
Chance Showers And Thunderstorms
9 to 16 mph ENE

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

Monday
Sep 21
69°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
10 to 14 mph ENE

A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 69.

Monday Night
Sep 21
55°F
Chance Showers And Thunderstorms
9 to 16 mph ENE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

Tuesday
Sep 22
70°F
Slight Chance Rain Showers
10 mph NE

A slight chance of rain showers before 1pm. Partly sunny, with a high near 70.

Tuesday Night
Sep 22
54°F
Partly Cloudy
5 to 10 mph NE

Partly cloudy, with a low around 54.

Wednesday
Sep 23
74°F
Mostly Sunny
3 to 7 mph NE

Mostly sunny, with a high near 74.

Detailed Forecast

Period Conditions Temp Wind
Friday
Sep 18
Chance Rain Showers
79°F
5 to 8 mph
ENE
Friday Night
Sep 18
Mostly Cloudy then Chance Showers And Thunderstorms
67°F
10 mph
ESE
Saturday
Sep 19
Chance Showers And Thunderstorms
88°F
9 mph
S
Saturday Night
Sep 19
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
67°F
3 to 7 mph
NW
Sunday
Sep 20
Showers And Thunderstorms Likely
75°F
5 to 14 mph
NNE
Sunday Night
Sep 20
Chance Showers And Thunderstorms
59°F
9 to 16 mph
ENE
Monday
Sep 21
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
69°F
10 to 14 mph
ENE
Monday Night
Sep 21
Chance Showers And Thunderstorms
55°F
9 to 16 mph
ENE
Tuesday
Sep 22
Slight Chance Rain Showers
70°F
10 mph
NE
Tuesday Night
Sep 22
Partly Cloudy
54°F
5 to 10 mph
NE
Wednesday
Sep 23
Mostly Sunny
74°F
3 to 7 mph
NE
Downtown Wenona  Illinois
Downtown Wenona Illinois image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.