Richton Park, IL Weather Forecast

Local 7-day forecast

84°
F

Chance Showers And Thunderstorms

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

Tuesday, September 15, 2026
Wind: 10 to 15 mph SW
Tuesday

A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers and thunderstorms likely. Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Richton Park, 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 14, 2026 8:12 PM CDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Richton Park, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 14, 2026 8:12 PM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
84°F
Tuesday
Next Low
67°F
Tuesday Night
Rain Outlook
13
Periods mentioning precipitation
Windiest
10 to 15 mph
Tuesday

Daily Outlook

Today
Sep 15
Chance Showers And Thunderstorms
84 °F
/ 67°F
Wind 10 to 15 mph
Wed
Sep 16
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
74 °F
/ 69°F
Wind 5 mph
Thu
Sep 17
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
80 °F
/ 66°F
Wind 5 mph
Fri
Sep 18
Slight Chance Rain Showers
82 °F
/ 68°F
Wind 5 mph
Sat
Sep 19
Chance Showers And Thunderstorms
85 °F
/ 66°F
Wind 10 to 15 mph
Sun
Sep 20
Chance Showers And Thunderstorms
79 °F
/ 61°F
Wind 10 mph
Mon
Sep 21
Chance Showers And Thunderstorms
76 °F
Wind 10 mph

This Week in Richton Park

Saturday looks like the warmest upcoming period in Richton Park at 85 degrees F.

Sunday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Tuesday at about 10 to 15 mph SW.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 8:12 PM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KLOT

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

Open NOAA source

Extended Forecast

Tuesday Night
Sep 15
67°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
5 mph N

Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday
Sep 16
74°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 mph NE

A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 60%.

Wednesday Night
Sep 16
69°F
Chance Showers And Thunderstorms
0 to 5 mph ESE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind 0 to 5 mph. Chance of precipitation is 50%.

Thursday
Sep 17
80°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 mph WNW

A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

Thursday Night
Sep 17
66°F
Slight Chance Showers And Thunderstorms
5 mph NNE

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Friday
Sep 18
82°F
Slight Chance Rain Showers
5 mph E

A slight chance of rain showers. Partly sunny, with a high near 82.

Friday Night
Sep 18
68°F
Chance Showers And Thunderstorms
5 to 10 mph SE

A slight chance of rain showers before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Saturday
Sep 19
85°F
Chance Showers And Thunderstorms
10 to 15 mph SW

A chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Saturday Night
Sep 19
66°F
Chance Showers And Thunderstorms
10 mph SSW

A chance of showers and thunderstorms. Partly cloudy, with a low around 66.

Sunday
Sep 20
79°F
Chance Showers And Thunderstorms
10 mph NNE

A chance of showers and thunderstorms. Partly sunny, with a high near 79.

Sunday Night
Sep 20
61°F
Chance Showers And Thunderstorms
5 to 10 mph NE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

Monday
Sep 21
76°F
Chance Showers And Thunderstorms
10 mph NE

A chance of showers and thunderstorms. Partly sunny, with a high near 76.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Sep 15
Chance Showers And Thunderstorms
84°F
10 to 15 mph
SW
Tuesday Night
Sep 15
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
67°F
5 mph
N
Wednesday
Sep 16
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
74°F
5 mph
NE
Wednesday Night
Sep 16
Chance Showers And Thunderstorms
69°F
0 to 5 mph
ESE
Thursday
Sep 17
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
80°F
5 mph
WNW
Thursday Night
Sep 17
Slight Chance Showers And Thunderstorms
66°F
5 mph
NNE
Friday
Sep 18
Slight Chance Rain Showers
82°F
5 mph
E
Friday Night
Sep 18
Chance Showers And Thunderstorms
68°F
5 to 10 mph
SE
Saturday
Sep 19
Chance Showers And Thunderstorms
85°F
10 to 15 mph
SW
Saturday Night
Sep 19
Chance Showers And Thunderstorms
66°F
10 mph
SSW
Sunday
Sep 20
Chance Showers And Thunderstorms
79°F
10 mph
NNE
Sunday Night
Sep 20
Chance Showers And Thunderstorms
61°F
5 to 10 mph
NE
Monday
Sep 21
Chance Showers And Thunderstorms
76°F
10 mph
NE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.