Observed 10:45 AM CDT at KMDW

Westchester, IL weather

Sunny and 61°16°, 11°6° warmer than a typical Oct 24.

Mostly agree

Now 61°16°

Sunny

Wind: 3 mph5 km/h; From the south-southwest. 35–10 mph16 km/h through 11 PM
Dew point: 46°8°; Comfortable
UV index: 2Low; Moderate 12–3 PM · peak 3
Air quality: 74Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.43 inHg1030 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

2°1° cooler than this time yesterday (60°16° then, 58°14° now)

Good hours for

High 70°21° today at 2 PM
Low 52°11° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 70°21° by 2 PM · Partly cloudy
TonightDown to 53°12° by 5 AM · Partly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Cloudy
Tomorrow afternoonUp to 73°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 53°12° by 5 AM · Mostly cloudy
Monday morningUp to 62°17° by 10 AM · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Partly sunny	63°17° (likely 60°16° to 65°18°)	63°17°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	55%	69%	2
Sat 12p	Cloudy	66°19° (likely 63°17° to 68°20°)	66°19°	0%	10 mph16 km/h from S, gusts 10 mph17 km/h	51%	80%	3
Sat 1p	Partly sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	10 mph16 km/h from S, gusts 10 mph16 km/h	47%	66%	3
Sat 2p	Partly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 10 mph17 km/h	44%	57%	3
Sat 3p	Mostly cloudy	70°21° (likely 68°20° to 70°21°)	71°22°	0%	10 mph16 km/h from S, gusts 10 mph17 km/h	42%	50%	2
Sat 4p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 10 mph16 km/h	42%	31%	1
Sat 5p	Cloudy	69°21° (likely 65°18° to 69°21°)	69°21°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	45%	65%	0
Sat 6p	Cloudy	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	48%	63%	0
Sat 7p	Mostly clear	64°18° (likely 59°15° to 64°18°)	64°18°	5%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	54%	37%	0
Sat 8p	Clear	62°17° (likely 57°14° to 62°17°)	62°17°	5%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	60%	8%	0
Sat 9p	Clear	61°16° (likely 56°13° to 61°16°)	61°16°	5%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	64%	3%	0
Sat 10p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	65%	2%	0
Sat 11p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	67%	3%	0
Sun 12a	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	68%	6%	0
Sun 1a	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	69%	43%	0
Sun 2a	Partly cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	70%	55%	0
Sun 3a	Mostly clear	54°12° (likely 51°11° to 54°12°)	55°13°	5%	5 mph8 km/h from S, gusts 9 mph14 km/h	72%	60%	0
Sun 4a	Partly cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	73%	80%	0
Sun 5a	Cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	74%	90%	0
Sun 6a	Cloudy	52°11° (likely 50°10° to 52°11°)	52°11°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	76%	97%	0
Sun 7a	Cloudy	52°11° (likely 50°10° to 52°11°)	52°11°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	78%	98%	0
Sun 8a	Cloudy	53°12° (likely 51°11° to 53°12°)	53°12°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	76%	95%	0
Sun 9a	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	67%	96%	1
Sun 10a	Cloudy	61°16° (likely 57°14° to 62°17°)	61°16°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	59%	91%	2
Sun 11a	Cloudy	65°18° (likely 62°17° to 67°19°)	65°18°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	53%	89%	2
Sun 12p	Cloudy	68°20° (likely 65°18° to 70°21°)	68°20°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	48%	78%	3
Sun 1p	Cloudy	70°21° (likely 68°20° to 72°22°)	70°21°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	44%	78%	3
Sun 2p	Cloudy	72°22° (likely 69°21° to 73°23°)	72°22°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	42%	77%	3
Sun 3p	Sunny	73°23° (likely 70°21° to 74°23°)	73°23°	0%	5 mph8 km/h from SSW, gusts 9 mph14 km/h	41%	46%	2
Sun 4p	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	40%	79%	2
Sun 5p	Cloudy	71°22° (likely 67°19° to 72°22°)	71°22°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	44%	73%	1
Sun 6p	Cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 5 mph7 km/h	49%	78%	0
Sun 7p	Cloudy	65°18° (likely 60°16° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 2 mph4 km/h	54%	76%	0
Sun 8p	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 5 mph8 km/h	60%	75%	0
Sun 9p	Cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	65%	76%	0
Sun 10p	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	67%	76%	0
Sun 11p	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	69%	77%	0
Mon 12a	Cloudy	58°14° (likely 54°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 8 mph14 km/h	70%	75%	0
Mon 1a	Cloudy	57°14° (likely 53°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 8 mph12 km/h	72%	69%	0
Mon 2a	Mostly cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	73%	69%	0
Mon 3a	Mostly cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph10 km/h	76%	66%	0
Mon 4a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	79%	72%	0
Mon 5a	Cloudy	53°12° (likely 50°10° to 54°12°)	53°12°	0%	5 mph8 km/h from WNW, gusts 8 mph13 km/h	82%	76%	0
Mon 6a	Cloudy	53°12° (likely 49°9° to 55°13°)	53°12°	0%	5 mph8 km/h from NNW, gusts 8 mph13 km/h	85%	80%	0
Mon 7a	Cloudy	54°12° (likely 49°9° to 57°14°)	54°12°	0%	5 mph8 km/h from N, gusts 7 mph12 km/h	84%	90%	0
Mon 8a	Cloudy	56°13° (likely 51°11° to 58°14°)	56°13°	0%	5 mph8 km/h from NNE, gusts 7 mph11 km/h	80%	98%	0
Mon 9a	Cloudy	59°15° (likely 54°12° to 61°16°)	59°15°	0%	5 mph8 km/h from NNE, gusts 11 mph17 km/h	74%	90%	1
Mon 10a	Cloudy	62°17° (likely 57°14° to 63°17°)	62°17°	0%	5 mph8 km/h from NNE, gusts 12 mph19 km/h	69%	91%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 70°21°, low 52°11°. Typical 59°15° / 43°6°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Mostly cloudy, 70°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
3. Overnight
  midnight–6 AM
  Mostly clear, 53°12°
  Dry
Official NWS forecast
Today: Partly sunny, with a high near 70. South wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 52. South southeast wind around 5 mph, with gusts as high as 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–70°21°
Low, likely
47°8°–52°11°
Typical high / low
59°15° / 43°6°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 73°23°, low 53°12°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 53°12°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 73, with temperatures falling to around 71 in the afternoon. South southwest wind around 5 mph.
Night: Partly cloudy, with a low around 53. South southwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
49°9°–53°12°
Typical high / low
59°15° / 42°6°
Wind
7 mph11 km/h, gusts 14 mph23 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 67°19°, low 51°11°. Typical 58°14° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
49°9°–52°11°
Typical high / low
58°14° / 42°6°
Wind
9 mph15 km/h, gusts 19 mph30 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 67°19°, low 54°12°. Typical 58°14° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 67.
Night: Mostly cloudy, with a low around 54.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
50°10°–54°12°
Typical high / low
58°14° / 42°6°
Wind
7 mph11 km/h, gusts 22 mph35 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 73°23°, low 55°13°. Typical 57°14° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Partly cloudy, with a low around 55.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–73°23°
Low, likely
53°12°–58°14°
Typical high / low
57°14° / 41°5°
Wind
10 mph16 km/h, gusts 24 mph39 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 50°10°. Typical 57°14° / 41°5°. Dry. Forecasts agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Mostly sunny, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Partly cloudy, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 70°21°).
High, likely
70°21°–74°23°
Low, likely
50°10°–61°16°
Typical high / low
57°14° / 41°5°
Wind
9 mph15 km/h, gusts 27 mph44 km/h
UV peak
3
Friday, Oct 30. Showers. High 68°20°, low 51°11°. Typical 56°13° / 40°4°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Mostly sunny, with a high near 68.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–76°24°
Low, likely
51°11°–59°15°
Typical high / low
56°13° / 40°4°
Wind
11 mph17 km/h, gusts 22 mph35 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 70°21°, low 57°14°. Typical 56°13° / 40°4°. Rain 0.08 in2 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  40% chance
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  50% chance · 0.04 in1.1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–76°24°
Low, likely
55°13°–60°16°
Typical high / low
56°13° / 40°4°
Wind
12 mph19 km/h, gusts 22 mph35 km/h
UV peak
3
Sunday, Nov 1. Showers. High 67°19°, low 58°14°. Typical 55°13° / 40°4°. Rain 0.52 in13 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 62°16°
  50% chance · 0.09 in2.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  50% chance · 0.2 in5.1 mm
3. Evening
  6 PM–midnight
  Rain, 62°17°
  40% chance · 0.2 in5.1 mm
4. Overnight
  midnight–6 AM
  Rain, 59°15°
  40% chance · 0.05 in1.1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
56°13°–61°16°
Typical high / low
55°13° / 40°4°
Wind
19 mph30 km/h, gusts 40 mph65 km/h
UV peak
2
Monday, Nov 2. Showers. High 62°17°, low 54°12°. Typical 55°13° / 39°4°. Rain 0.53 in13 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Showers, 62°16°
  40% chance · 0.43 in11 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  40% chance · 0.19 in4.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–67°19°
Low, likely
50°10°–61°16°
Typical high / low
55°13° / 39°4°
Wind
18 mph29 km/h, gusts 37 mph59 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 52°.
Tomorrow
Dry, high 73°, low 53°, warming up.
Monday
Dry, high 67°, low 51°, cooling off.
Rest of week
Highs 62–73°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LOT) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Salt Creek (IL) at Western Springs

1.7 mi

Below flood stage

Level: 1.6 ft
Flow: 7 cfs

Reading from Sat 9:50 AM · NWS gauge page

Salt Creek (IL) at Oak Brook

2.4 mi

Below flood stage

Level: 47.9 ft

Reading from Sat 9 AM · NWS gauge page

Addison Creek at Bellwood

2.5 mi

Below flood stage

Level: 1.2 ft
Flow: 6 cfs

Reading from Sat 9:15 AM · NWS gauge page

Des Plaines River at Riverside

4.0 mi

Below flood stage

Level: 2.1 ft
Flow: 294 cfs

Reading from Sat 8:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 90% less heating than a typical week.

This week 10Typical 108

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 12:00 PM–9:00 PM

Good stretch to open the windows.

Is this typical?

Chicago Ohare International Airport · official normals 1991–2020 · records 1872–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° warmer than typical.

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

−1°SunOct 18
+3°+2°MonOct 19
+4°+2°TueOct 20
+6°+3°WedOct 21
+10°+6°ThuOct 22
+9°+5°FriOct 23
—SatOct 24

Westchester weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 42 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 34 min less
Golden hour: 5:17–6:13 PM; Morning 6:56–7:53 AM
Blue hour: 6:13–6:24 PM; Morning 6:45–6:56 AM; first light 6:45 AM

Stars tonight? Fair

Mostly clear 8 PM–1 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:27 AM · rises 4:54 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Westchester. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Westchester, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Salt Creek (IL) at Western Springs

Salt Creek (IL) at Oak Brook

Addison Creek at Bellwood

Des Plaines River at Riverside

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon