Observed 11:40 AM CDT at KPWK

Prospect Heights, IL weather

Mostly sunny and 64°18°, 11°6° warmer than a typical Oct 24.

Mostly agree

Now 64°18°

Mostly sunny

Wind: 6 mph9 km/h; From the south-southeast. 58–10 mph16 km/h through 12 AM
Dew point: 48°9°; Comfortable
UV index: 3Moderate; Moderate until 2 PM
Air quality: 61Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.43 inHg1030 hPa; Falling slowly · −0.02 inHg−0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° cooler than this time yesterday (64°18° then, 60°16° now)

Good hours for

High 70°21° today at 2 PM
Below 60°16° tonight after 9 PM
Low 51°11° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 70°21° by 2 PM · Mostly cloudy
TonightDown to 52°11° by 5 AM · Partly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Cloudy
Tomorrow afternoonUp to 72°22° by 2 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 5 AM · Mostly cloudy
Monday morningUp to 63°17° by 11 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 12p	Cloudy	66°19° (likely 62°17° to 67°19°)	66°19°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	51%	82%	3
Sat 1p	Cloudy	68°20° (likely 64°18° to 69°21°)	68°20°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	48%	80%	3
Sat 2p	Cloudy	70°21° (likely 65°18° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 11 mph17 km/h	45%	73%	2
Sat 3p	Cloudy	70°21° (likely 66°19° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	45%	63%	2
Sat 4p	Cloudy	70°21° (likely 65°18° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 11 mph17 km/h	45%	61%	1
Sat 5p	Cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	48%	66%	0
Sat 6p	Cloudy	65°18° (likely 60°16° to 65°18°)	65°18°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	52%	68%	0
Sat 7p	Mostly cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	5%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	59%	68%	0
Sat 8p	Mostly clear	60°16° (likely 58°14° to 60°16°)	61°16°	5%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	66%	34%	0
Sat 9p	Clear	59°15° (likely 57°14° to 59°15°)	59°15°	5%	5 mph8 km/h from SSE, gusts 10 mph15 km/h	70%	11%	0
Sat 10p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	71%	6%	0
Sat 11p	Clear	57°14° (likely 55°13° to 57°14°)	57°14°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	72%	5%	0
Sun 12a	Clear	56°13° (likely 54°12° to 56°13°)	56°13°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	71%	12%	0
Sun 1a	Clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	72%	43%	0
Sun 2a	Partly cloudy	54°12° (likely 51°11° to 54°12°)	54°12°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	75%	61%	0
Sun 3a	Partly cloudy	54°12° (likely 51°11° to 54°12°)	54°12°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	75%	54%	0
Sun 4a	Partly cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	5%	5 mph8 km/h from S, gusts 8 mph13 km/h	76%	80%	0
Sun 5a	Cloudy	52°11° (likely 50°10° to 52°11°)	52°11°	5%	5 mph8 km/h from S, gusts 9 mph14 km/h	77%	90%	0
Sun 6a	Cloudy	52°11° (likely 50°10° to 52°11°)	52°11°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	77%	96%	0
Sun 7a	Cloudy	51°11° (likely 49°9° to 52°11°)	51°11°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	80%	97%	0
Sun 8a	Cloudy	52°11° (likely 50°10° to 53°12°)	53°12°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	78%	99%	0
Sun 9a	Cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	68%	95%	1
Sun 10a	Cloudy	61°16° (likely 58°14° to 62°17°)	61°16°	0%	5 mph8 km/h from SSW, gusts 13 mph21 km/h	61%	89%	2
Sun 11a	Cloudy	65°18° (likely 62°17° to 67°19°)	65°18°	0%	5 mph8 km/h from SSW, gusts 12 mph20 km/h	54%	79%	2
Sun 12p	Cloudy	68°20° (likely 65°18° to 71°22°)	68°20°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	49%	78%	3
Sun 1p	Cloudy	71°22° (likely 68°20° to 73°23°)	71°22°	0%	5 mph8 km/h from SSW, gusts 10 mph17 km/h	45%	77%	3
Sun 2p	Mostly cloudy	72°22° (likely 69°21° to 74°23°)	72°22°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	44%	49%	3
Sun 3p	Cloudy	72°22° (likely 70°21° to 74°23°)	73°23°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	43%	77%	2
Sun 4p	Cloudy	72°22° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SSW, gusts 9 mph14 km/h	43%	74%	2
Sun 5p	Partly sunny	71°22° (likely 67°19° to 72°22°)	71°22°	0%	5 mph8 km/h from S, gusts 8 mph14 km/h	48%	65%	1
Sun 6p	Cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	52%	79%	0
Sun 7p	Cloudy	64°18° (likely 61°16° to 65°18°)	64°18°	0%	5 mph8 km/h from S, gusts 5 mph8 km/h	60%	79%	0
Sun 8p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 5 mph8 km/h	67%	79%	0
Sun 9p	Cloudy	60°16° (likely 58°14° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	73%	78%	0
Sun 10p	Cloudy	58°14° (likely 58°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 7 mph12 km/h	75%	76%	0
Sun 11p	Cloudy	57°14° (likely 57°14° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	77%	78%	0
Mon 12a	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	77%	77%	0
Mon 1a	Cloudy	55°13° (likely 54°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	75%	0
Mon 2a	Cloudy	54°12° (likely 53°12° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 9 mph14 km/h	81%	74%	0
Mon 3a	Cloudy	54°12° (likely 52°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	83%	71%	0
Mon 4a	Cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 10 mph16 km/h	85%	69%	0
Mon 5a	Cloudy	52°11° (likely 50°10° to 56°13°)	52°11°	0%	5 mph8 km/h from NNW, gusts 10 mph16 km/h	89%	75%	0
Mon 6a	Cloudy	52°11° (likely 50°10° to 58°14°)	52°11°	0%	5 mph8 km/h from N, gusts 10 mph17 km/h	91%	89%	0
Mon 7a	Cloudy	52°11° (likely 52°11° to 59°15°)	53°12°	0%	5 mph8 km/h from NNE, gusts 12 mph20 km/h	92%	93%	0
Mon 8a	Cloudy	55°13° (likely 52°11° to 61°16°)	55°13°	0%	5 mph8 km/h from NNE, gusts 12 mph20 km/h	88%	85%	0
Mon 9a	Cloudy	58°14° (likely 55°13° to 62°17°)	58°14°	0%	5 mph8 km/h from NNE, gusts 13 mph20 km/h	81%	84%	1
Mon 10a	Cloudy	61°16° (likely 57°14° to 62°17°)	61°16°	0%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	75%	92%	1
Mon 11a	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	10 mph16 km/h from NNE, gusts 13 mph21 km/h	70%	85%	2

Days ahead

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

Today, Oct 24. Cloudy. High 70°21°, low 51°11°. Typical 59°15° / 43°6°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 52°11°
  Dry
Official NWS forecast
Today: Partly sunny. High near 70, with temperatures falling to around 68 in the afternoon. South wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 51. South southeast wind around 5 mph, with gusts as high as 15 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
47°8°–51°11°
Typical high / low
59°15° / 43°6°
Wind
8 mph12 km/h, gusts 15 mph24 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 72°22°, low 52°11°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 72. South southwest wind around 5 mph.
Night: Mostly cloudy, with a low around 52. West 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°–52°11°
Typical high / low
59°15° / 42°6°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 64°18°, low 49°9°. Typical 58°14° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 54°12°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 64. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
49°9°–53°12°
Typical high / low
58°14° / 42°6°
Wind
10 mph16 km/h, gusts 19 mph31 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 65°18°, low 52°11°. Typical 58°14° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  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 65.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
51°11°–55°13°
Typical high / low
58°14° / 42°6°
Wind
8 mph13 km/h, gusts 27 mph43 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 72°22°, low 53°12°. Typical 57°14° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly 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 72.
Night: Partly cloudy, with a low around 53.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–72°22°
Low, likely
53°12°–58°14°
Typical high / low
57°14° / 41°5°
Wind
11 mph17 km/h, gusts 27 mph43 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 48°9°. Typical 57°14° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  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 69.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
48°9°–61°16°
Typical high / low
57°14° / 41°5°
Wind
10 mph17 km/h, gusts 29 mph46 km/h
UV peak
3
Friday, Oct 30. Showers. High 67°19°, low 50°10°. Typical 56°13° / 40°4°. Rain 0.08 in2 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  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. Mostly sunny, with a high near 67.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 50.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–73°23°
Low, likely
50°10°–60°16°
Typical high / low
56°13° / 40°4°
Wind
11 mph18 km/h, gusts 22 mph35 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 69°21°, low 57°14°. Typical 56°13° / 40°4°. Rain 0.07 in1.8 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–72°22°
Low, likely
54°12°–59°15°
Typical high / low
56°13° / 40°4°
Wind
11 mph18 km/h, gusts 22 mph35 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 66°19°, low 58°14°. Typical 55°13° / 40°4°. Rain 0.49 in12 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  50% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  50% chance · 0.22 in5.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  40% chance · 0.18 in4.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.03 in0.7 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°–68°20°
Low, likely
55°13°–61°16°
Typical high / low
55°13° / 40°4°
Wind
20 mph33 km/h, gusts 43 mph70 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 61°16°, low 53°12°. Typical 55°13° / 39°4°. Rain 0.38 in9.7 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Rain, 59°15°
  40% chance · 0.28 in7.2 mm
3. Evening
  6 PM–midnight
  Rain, 58°15°
  40% chance · 0.27 in6.9 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
58°14°–66°19°
Low, likely
49°9°–60°16°
Typical high / low
55°13° / 39°4°
Wind
18 mph28 km/h, gusts 36 mph58 km/h

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 51°.
Tomorrow
Dry, high 72°, low 52°.
Monday
Dry, high 64°, low 49°, cooling off.
Rest of week
Highs 61–72°; 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

McDonald Creek near Mount Prospect

1.0 mi

Below flood stage

Level: 0.8 ft
Flow: 1 cfs

Reading from Sat 10:45 AM · NWS gauge page

Des Plaines River near Des Plaines

2.4 mi

Below flood stage

Level: 8.7 ft
Flow: 60 cfs

Reading from Sat 10:45 AM · NWS gauge page

Buffalo Creek (IL) at Wheeling

3.6 mi

Below flood stage

Level: 1.4 ft
Flow: under 1 cfs

Reading from Sat 10:15 AM · NWS gauge page

Weller Creek at Des Plaines

3.8 mi

Below flood stage

Level: 0.7 ft
Flow: 1 cfs

Reading from Sat 11 AM · NWS gauge page

For your home

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

Heating this week

About 89% less heating than a typical week.

This week 12Typical 108

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 1:00 PM–8:00 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

Prospect Heights weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 41 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 35 min less
Golden hour: 5:17–6:13 PM; Morning 6:57–7:53 AM
Blue hour: 6:13–6:24 PM; Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Fair

Mostly clear 9 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 northeast from Prospect Heights. Water in view.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Prospect Heights, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

McDonald Creek near Mount Prospect

Des Plaines River near Des Plaines

Buffalo Creek (IL) at Wheeling

Weller Creek at Des Plaines

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