Observed 6:52 AM CDT at KPWK

Deer Park, IL weather

Mostly clear and 46°8°, 13°7° warmer than a typical Oct 24.

Mostly agree

Now 46°8°

Mostly clear

Wind: Calm; Up to 10 mph16 km/h through 7 PM
Dew point: 45°7°; Comfortable
Humidity: 96%; Air 46°8°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 12–4 PM · peak 4
Air quality: 70Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.4 inHg1029 hPa; Rising slowly · +0.03 inHg+0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

3°2° warmer than this time yesterday (43°6° then, 46°8° now)

Good hours for

Above 60°16° today by 11 AM
High 70°21° today at 3 PM
Below 60°16° tonight after 9 PM

This morningUp to 63°17° by 11 AM · Mostly cloudy
This afternoonUp to 70°21° by 3 PM · Mostly cloudy
TonightDown to 51°11° by 5 AM · Mostly 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 4 AM · Mostly 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 7a	Sunny	49°9° (likely 47°8° to 49°9°)	47°8°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	84%	30%	0
Sat 8a	Cloudy	50°10° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	83%	71%	0
Sat 9a	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	71%	80%	1
Sat 10a	Cloudy	59°15° (likely 56°13° to 59°15°)	59°15°	0%	5 mph8 km/h from S, gusts 13 mph21 km/h	63%	81%	2
Sat 11a	Cloudy	63°17° (likely 60°16° to 63°17°)	63°17°	0%	10 mph16 km/h from S, gusts 14 mph23 km/h	56%	81%	2
Sat 12p	Cloudy	66°19° (likely 63°17° to 66°19°)	66°19°	0%	10 mph16 km/h from S, gusts 12 mph19 km/h	51%	82%	3
Sat 1p	Cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	0%	10 mph16 km/h from S, gusts 11 mph17 km/h	48%	81%	4
Sat 2p	Cloudy	69°21° (likely 66°19° to 69°21°)	69°21°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	46%	80%	3
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%	80%	3
Sat 4p	Cloudy	69°21° (likely 66°19° to 69°21°)	69°21°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	46%	80%	2
Sat 5p	Cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	49%	76%	1
Sat 6p	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	54%	78%	0
Sat 7p	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	5%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	60%	75%	0
Sat 8p	Partly cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	5%	5 mph8 km/h from S, gusts 8 mph13 km/h	65%	45%	0
Sat 9p	Mostly cloudy	58°14° (likely 56°13° to 58°14°)	58°14°	5%	5 mph8 km/h from S, gusts 9 mph14 km/h	70%	52%	0
Sat 10p	Partly cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	71%	34%	0
Sat 11p	Cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	71%	67%	0
Sun 12a	Partly cloudy	55°13° (likely 54°12° to 58°14°)	55°13°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	71%	62%	0
Sun 1a	Partly cloudy	54°12° (likely 53°12° to 57°14°)	54°12°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	73%	63%	0
Sun 2a	Cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	5%	5 mph8 km/h from S, gusts 11 mph18 km/h	75%	75%	0
Sun 3a	Cloudy	53°12° (likely 52°11° to 55°13°)	53°12°	5%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	75%	78%	0
Sun 4a	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	5%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	77%	85%	0
Sun 5a	Cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	5%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	78%	97%	0
Sun 6a	Cloudy	51°11° (likely 51°11° to 53°12°)	49°9°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	79%	95%	0
Sun 7a	Cloudy	51°11° (likely 51°11° to 54°12°)	49°9°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	82%	100%	0
Sun 8a	Cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	80%	99%	0
Sun 9a	Cloudy	56°13° (likely 55°13° to 58°14°)	56°13°	0%	5 mph8 km/h from SSW, gusts 12 mph19 km/h	69%	97%	1
Sun 10a	Cloudy	60°16° (likely 57°14° to 62°17°)	60°16°	0%	5 mph8 km/h from SSW, gusts 12 mph20 km/h	62%	96%	2
Sun 11a	Partly sunny	65°18° (likely 61°16° to 66°19°)	65°18°	0%	5 mph8 km/h from SSW, gusts 12 mph20 km/h	54%	89%	2
Sun 12p	Cloudy	68°20° (likely 66°19° to 70°21°)	68°20°	0%	5 mph8 km/h from SSW, gusts 12 mph19 km/h	49%	90%	3
Sun 1p	Partly sunny	71°22° (likely 68°20° to 72°22°)	71°22°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	46%	77%	3
Sun 2p	Partly sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	45%	62%	3
Sun 3p	Cloudy	72°22° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	44%	64%	2
Sun 4p	Cloudy	72°22° (likely 69°21° to 73°23°)	72°22°	0%	5 mph8 km/h from SSW, gusts 9 mph14 km/h	44%	61%	2
Sun 5p	Partly sunny	70°21° (likely 67°19° to 71°22°)	71°22°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	48%	48%	1
Sun 6p	Partly cloudy	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	53%	73%	0
Sun 7p	Cloudy	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 7 mph10 km/h	60%	75%	0
Sun 8p	Cloudy	61°16° (likely 58°14° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 6 mph10 km/h	67%	80%	0
Sun 9p	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 4 mph6 km/h	71%	79%	0
Sun 10p	Cloudy	58°14° (likely 56°13° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 9 mph15 km/h	74%	73%	0
Sun 11p	Cloudy	57°14° (likely 56°13° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 10 mph16 km/h	75%	80%	0
Mon 12a	Cloudy	56°13° (likely 54°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 9 mph14 km/h	76%	83%	0
Mon 1a	Cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	77%	79%	0
Mon 2a	Mostly cloudy	54°12° (likely 52°11° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 5 mph7 km/h	81%	73%	0
Mon 3a	Mostly cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	58%	0
Mon 4a	Mostly cloudy	52°11° (likely 50°10° to 56°13°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	59%	0
Mon 5a	Mostly cloudy	52°11° (likely 49°9° to 55°13°)	52°11°	0%	5 mph8 km/h from N, gusts 7 mph12 km/h	89%	60%	0
Mon 6a	Mostly cloudy	51°11° (likely 48°9° to 56°13°)	50°10°	0%	5 mph8 km/h from N, gusts 8 mph14 km/h	91%	78%	0

Days ahead

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

Today, Oct 24. Cloudy. High 70°21°, low 51°11°. Typical 57°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°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 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
57°14° / 39°4°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 72°22°, low 51°11°. Typical 56°13° / 38°3°. 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, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 52°11°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southwest wind around 5 mph, with gusts as high as 10 mph.
Night: Partly cloudy, with a low around 51. West southwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
51°11°–53°12°
Typical high / low
56°13° / 38°3°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 64°18°, low 48°9°. Typical 56°13° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
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 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
48°9°–52°11°
Typical high / low
56°13° / 38°3°
Wind
11 mph18 km/h, gusts 20 mph32 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 65°18°, low 52°11°. Typical 56°13° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–68°20°
Low, likely
50°10°–52°11°
Typical high / low
56°13° / 38°3°
Wind
9 mph15 km/h, gusts 28 mph45 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 71°22°, low 52°11°. Typical 55°13° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°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 71.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
52°11°–56°13°
Typical high / low
55°13° / 37°3°
Wind
12 mph19 km/h, gusts 28 mph44 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 68°20°, low 47°8°. Typical 55°13° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
47°8°–58°14°
Typical high / low
55°13° / 37°3°
Wind
11 mph17 km/h, gusts 31 mph49 km/h
UV peak
3
Friday, Oct 30. Showers. High 66°19°, low 49°9°. Typical 54°12° / 37°3°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  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 66.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–74°23°
Low, likely
44°7°–58°14°
Typical high / low
54°12° / 37°3°
Wind
12 mph19 km/h, gusts 20 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 69°21°, low 56°13°. Typical 54°12° / 36°2°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  50% chance · 0.05 in1.2 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
65°18°–74°23°
Low, likely
53°12°–59°15°
Typical high / low
54°12° / 36°2°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Showers. High 65°18°, low 58°14°. Typical 53°12° / 36°2°. Rain 0.54 in14 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  50% chance · 0.08 in1.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  40% chance · 0.23 in5.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  40% chance · 0.17 in4.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°14°
  40% chance · 0.02 in0.6 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
63°17°–68°20°
Low, likely
56°13°–60°16°
Typical high / low
53°12° / 36°2°
Wind
21 mph34 km/h, gusts 43 mph70 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 61°16°, low 53°12°. Typical 53°12° / 36°2°. Rain 0.36 in9.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Rain, 58°15°
  30% chance · 0.24 in6.1 mm
3. Evening
  6 PM–midnight
  Rain, 56°13°
  30% chance · 0.22 in5.5 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°–65°18°
Low, likely
46°8°–58°14°
Typical high / low
53°12° / 36°2°
Wind
19 mph30 km/h, gusts 39 mph63 km/h

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 51°.
Tomorrow
Dry, high 72°, low 51°.
Monday
Dry, high 64°, low 48°, cooling off.
Rest of week
Highs 61–71°; 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

Buffalo Creek (IL) at Wheeling

6.7 mi

Below flood stage

Level: 1.4 ft
Flow: under 1 cfs

Reading from Sat 5:15 AM · NWS gauge page

Salt Creek (IL) at Rolling Meadows

8.1 mi

Below flood stage

Level: 2.2 ft
Flow: 3 cfs

Reading from Sat 5:45 AM · NWS gauge page

Des Plaines River at Lincolnshire

8.9 mi

Below flood stage

Level: 7.1 ft
Flow: 161 cfs

Reading from Sat 4:45 AM · NWS gauge page

McDonald Creek near Mount Prospect

10 mi

Below flood stage

Level: 0.8 ft
Flow: 1 cfs

Reading from Sat 4:45 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 13Typical 129

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 11:00 AM–8:00 PM

Good stretch to open the windows.

Is this typical?

BARRINGTON 3SW · official normals 1991–2020 · records 1962–2026

Oct 24, today vs a typical year

Today’s expected high is 13°7° warmer than typical.

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

−4°−2°SunOct 18
+1°MonOct 19
+4°+2°TueOct 20
+4°+2°WedOct 21
+8°+4°ThuOct 22
+10°+5°FriOct 23
—SatOct 24

Deer Park 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: 5:17–6:14 PM; Morning 6:58–7:54 AM
Blue hour: 6:14–6:25 PM; Morning 6:47–6:58 AM; first light 6:47 AM

Stars tonight? Poor

Clouds most of the night (about 70% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:28 AM · rises 4:54 PM
Full moon: Oct 25
New moon: Nov 9

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

Deer Park, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Buffalo Creek (IL) at Wheeling

Salt Creek (IL) at Rolling Meadows

Des Plaines River at Lincolnshire

McDonald Creek near Mount Prospect

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? Poor

Moon