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Shaded-relief map of Richton Park, Illinois: rivers, roads, the city limits and where the water drains.
ILLINOIS · COOK COUNTY

Richton Park

12,504 people, 740 ft above sea level in Cook County.

740 ftElevation, city center
12,504People, 2024 estimate
4 sq miLand area
Clear 41°
Clear now Dew point 30° · WNW 5 mph · high 40°
City of Richton Park River Interstate 2 miles
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The Richton Park plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Richton Park

NWS forecast and National Blend of Models · updated 5:00 PM CST
RIGHT NOW Lewis University Airport (KLOT) · 5:45 PM
Clear
41° Clear Feels like 38° · high of 40° near 6 PM
WindWNW 5 mphno gusts
Humidity65%rising to 100% by morning
Pressure30.28 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 30° · Dryabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Clear
Not this weeknone in the forecast for a week
LIKELY AMOUNT—nothing expected
LAST RAINNov. 110.18 in · 3 dry days
ALERTS & OUTLOOKS
No watches or warnings for Cook County
NWS Chicago and the Storm Prediction Center · checked 6:18 PM
SUN & MOON
↑ 6:38 AM4:32 PM ↓
9 h 54 m of daylight, 2 minutes less than yesterday
Waxing crescent, 27% lit. Next full moon: Nov. 24.
AIR & POLLEN
24
GOODAir quality index · fine particles
Tomorrow: None, moderate. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
SATURDAY, NOV. 14
SUNDAY, NOV. 15
MONDAY, NOV. 16
TUESDAY, NOV. 17
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly sunny
clear day
clear day
clear day
mostly clear night
mostly clear night
mostly clear night
partly cloudy night
mostly sunny
clear day
clear day
mostly sunny
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly sunny
mostly sunny
clear day
clear day
TEMPERATURE °F
40°
30°
49°
30°
50°
33°
CHANCE OF RAIN
50%
WIND, MPH
5
3
3
3
0
0
0
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0
0
2
7
5
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HOW IT FEELS · DEW POINT
Dry: dew points 30 to 37°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 50° / 32°
SAT Nov. 14 Mostly sunny Mostly sunny
40° 29°
0% rain — NW 4 A
SUN Nov. 15 Sunny; warmer Sunny; warmer
51° 29°
0% rain — NW 0 A
MON Nov. 16 Mostly sunny Mostly sunny
52° 33°
0% rain — SW 4 A
TUE Nov. 17 Sunny Sunny
55° 36°
0% rain — S 8 A
WED Nov. 18 Partly cloudy Partly cloudy
57° 45°
0% rain — S 12 A
THU Nov. 19 Mostly sunny Mostly sunny
61° 45°
20% rain — WSW 8 B
FRI Nov. 20 Partly cloudy Partly cloudy
61° 49°
10% rain — SSE 8 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Richton Park about 5,000 feet above the ground was over the open Pacific three days ago, and over the northern Plains a day ago, about 2,890 miles back along its path. It came down from about 12,300 feet up, warming and drying as it sank. It feels dry all the same. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

THIS WEEK IN 1995 Nov. 11–12, 1995

The wettest two days this week has seen

3.35 inches of rain fell in two days, the most for this week of the year since records began in 1952. The next wettest, 2.16 inches, fell in 2003.

2.16″
3.35″
20031995
Source: NOAA RCC-ACIS, the Park Forest Water record since 1952.
MILE2
THE GROUND

What Richton Park stands on

Richton Park’s center stands about 740 ft above sea level. Within three miles the land runs from 690 ft to 790 ft, a difference of 100 ft: gently rolling country.

Under the town center the state geologic map shows Silurian System undivided (dolostone, limestone), from the Silurian, 422 to 445 million years old.

The section below crosses 2 rock units mapped at the surface.

Andres to South Holland, cut in half

A section southwest to northeast, 24 miles through the town center
500 ft600 ft700 ft RICHTON PARK740 ftFlossmoor660 ftHomewood650 ftLow point440 ftSouth Holland610 ft ← SW · AndresSouth Holland · NE →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 59×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.

Rock at the surface along the line

Silurian System undivided

Dolostone, limestone. Age: Silurian, 422 to 445 million years old. About 22 mi of the line.

Muscatatuck Group

Limestone. Age: Middle Devonian, 384 to 394 million years old. About 2 mi of the line.

From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.

Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.

MILE3
THE WATER

Where Richton Park’s rain goes

A raindrop that lands in Richton Park reaches the Gulf of America by way of Butterfield Creek, Thorn Creek, the East Arm Little Calumet, the Calumet Sag Channel, the Chicago Sanitary and Ship Canal, the Des Plaines, the Illinois and the Mississippi: about 1,540 river miles.

THE WAY DOWN, TO SCALE
Richton Park≈ 1,540 mi · the Gulf of America
FROM THE CENTER OF RICHTON PARK ≈ 1,540 mi to the Gulf of America Butterfield Creek → Thorn Creek → … → Des Plaines → Illinois → Mississippi

Lake on the way: Peoria Lake.

1,190 miles of the trip are on the Mississippi.

Traced down the USGS NHDPlus V2.1 river network from the Census center point of Richton Park; river miles along the main stem, rounded.

MILE5
THE ALMANAC

Richton Park’s year

1991–2020 normals · records since 1952 · Park Forest Water, 3 mi east-northeast

Richton Park has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 15° in January. A normal year brings about 28 inches of snow; with the rain, that comes to about 42 inches of water.

31°15°35°19°46°28°59°38°71°49°80°59°84°64°82°62°76°55°63°42°48°31°36°22° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 123 TODAY RICHTON PARK 42.1 in rain and snowmelt
Normal high to low, by month Record high to low, by day Rain by month Freezing
July, average84° / 64°high / low, the warmest month
January, average31° / 15°high / low, the coldest month
Rain and melted snow42.1 inwettest months: June and July
Snow a year28.2 insnowiest: January
Hottest on record103°FAugust 2, 1988
Coldest on record−27°FJanuary 20, 1985
Wettest day on record6.55 inJuly 18, 1996
Snowiest day on record19.0 inFebruary 2, 2011
90° days a year16very few reach 100°
Nights at or below 32°125and 46 days that stay below freezing
Climate typeHot-summer humid continentalKöppen Dfa

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Oct. 14, to the last in spring, about April 19 (median dates)
2Highs below freezingJan. 1 to Feb. 6; normal highs stay below 32°
3Lows below freezingNov. 13 to March 30; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Richton Park normally reaches 49° and falls to 32°. The record high is 73°, in 1971; the record low 5°, in 1986. The most rain on this date, 1.03 in, fell in 1957.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high31°35°46°59°71°80°84°82°76°63°48°36°
Normal low15°19°28°38°49°59°64°62°55°42°31°22°
Rain and melt, in2.492.152.654.024.574.914.734.023.443.653.002.47
Snow, inches10.27.54.90.50.00.00.00.00.00.20.94.0
Record high65° (2008)71° (2000)86° (2012)89° (1986)97° (2018)102° (1988)102° (1995)103° (1988)99° (1953)91° (1963)77° (2016)70° (2012)
Record low−27° (1985)−21° (2019)−6° (2002)9° (1982)25° (1966)36° (1972)45° (1972)41° (1986)29° (1995)17° (1952)0° (1958)−21° (1983)

Normals 1991–2020 and records since 1952 at Park Forest Water, 3 miles east-northeast. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around Richton Park on the Forecast Network

Neighboring plates

Chicago IL · 25 MI 25 miles north Aurora IL · 34 MI 34 miles northwest Milwaukee WI · 110 MI 110 miles north Fort Wayne IN · 138 MI 138 miles east Madison WI · 141 MI 141 miles northwest Indianapolis IN · 144 MI 144 miles southeast
FORECASTCITY
Map of Richton Park, Illinois. Explore the plate
ILLINOIS · COOK

Richton Park

12,504 people, 740 ft above sea level in Cook County.

740 ftElevation
12,504People
4 sq miLand
Clear 41°
ClearDew point 30°
1

Today in Richton Park

NEXT 15 HOURS
Now mostly clear night 40° 0%
9p mostly clear night 36° 0%
12a mostly clear night 32° 0%
3a mostly clear night 30° 0%
6a mostly clear night 30° 0%
9a mostly sunny 39° 0%
Clear
NEXT RAINNone this week
→
Sat0%
Mostly sunny Mostly sunny
29
40
A
Sun0%
Sunny; warmer Sunny; warmer
29
51
A
Mon0%
Mostly sunny Mostly sunny
33
52
A
Tue0%
Sunny Sunny
36
55
A
Wed0%
Partly cloudy Partly cloudy
45
57
A
Thu20%
Mostly sunny Mostly sunny
45
61
B
Fri10%
Partly cloudy Partly cloudy
49
61
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK IN 1995 · NOV. 11–12, 1995

3.35 inches in two days, the most for this week since 1952.

2

What Richton Park stands on

Richton Park’s center stands about 740 ft above sea level. Within three miles the land runs from 690 ft to 790 ft, a difference of 100 ft: gently rolling country.

Richton Park, southwest to northeast Richton Park740 ft ← SWNE → 24 miles through the town center; vertical exaggeration about 112×. Colors: rock at the surface.
Elevation, center740 ft
Within 3 miles690 to 790 ft
Lie of the landGently rolling (100 ft of relief)
Rock at the surfaceSilurian System undivided
Its ageSilurian, 422 to 445 million years old
5

Richton Park’s year

Richton Park has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 15° in January. A normal year brings about 28 inches of snow; with the rain, that comes to about 42 inches of water.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 123 42.1 in
July, average84° / 64° · high / low, the warmest month
January, average31° / 15° · high / low, the coldest month
Rain and melted snow42.1 in · wettest months: June and July
Snow a year28.2 in · snowiest: January
Hottest on record103°F · August 2, 1988
Coldest on record−27°F · January 20, 1985
Wettest day on record6.55 in · July 18, 1996
Snowiest day on record19.0 in · February 2, 2011
90° days a year16 · very few reach 100°
Nights at or below 32°125 · and 46 days that stay below freezing
Climate typeHot-summer humid continental · Köppen Dfa
1Freeze season · from the first fall freeze, about Oct. 14, to the last in spring, about April 19 (median dates)
2Highs below freezing · Jan. 1 to Feb. 6; normal highs stay below 32°
3Lows below freezing · Nov. 13 to March 30; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Richton Park normally reaches 49° and falls to 32°. The record high is 73°, in 1971; the record low 5°, in 1986. The most rain on this date, 1.03 in, fell in 1957.

Normals 1991–2020 and records since 1952 at Park Forest Water, 3 miles east-northeast. NOAA, through RCC-ACIS.
3

Where the rain goes

≈ 1,540 mito the Gulf of AmericaButterfield Creek → Thorn Creek → … → Des Plaines → Illinois → Mississippi

A raindrop that lands in Richton Park reaches the Gulf of America by way of Butterfield Creek, Thorn Creek, the East Arm Little Calumet, the Calumet Sag Channel, the Chicago Sanitary and Ship Canal, the Des Plaines, the Illinois and the Mississippi: about 1,540 river miles.

Lake on the way: Peoria Lake.

1,190 miles of the trip are on the Mississippi.