Observed 10:45 AM CDT at KUGN

Round Lake Park, IL weather

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

Mostly agree

Now 61°16°

Sunny

Wind: 5 mph7 km/h; From the south-southeast. 57–10 mph16 km/h through 11 PM
Dew point: 48°9°; Comfortable
UV index: 2Low; Moderate 12–4 PM · peak 3
Air quality: 64Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.41 inHg1030 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 70°21° today at 3 PM
Below 60°16° tonight after 8 PM
Low 50°10° tonight at 5 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 70°21° by 3 PM · Mostly cloudy
TonightDown to 50°10° by 5 AM · Partly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 3 PM · Partly cloudy
Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
Monday morningUp to 59°15° 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	Cloudy	64°18° (likely 60°16° to 64°18°)	64°18°	0%	10 mph16 km/h from S, gusts 14 mph23 km/h	58%	79%	2
Sat 12p	Partly sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	10 mph16 km/h from S, gusts 12 mph20 km/h	53%	75%	3
Sat 1p	Partly sunny	68°20° (likely 65°18° to 69°21°)	69°21°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	50%	63%	3
Sat 2p	Mostly cloudy	69°21° (likely 66°19° to 70°21°)	69°21°	0%	10 mph16 km/h from S, gusts 12 mph19 km/h	48%	58%	3
Sat 3p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 11 mph18 km/h	48%	66%	3
Sat 4p	Cloudy	69°21° (likely 66°19° to 70°21°)	69°21°	0%	10 mph16 km/h from S, gusts 12 mph19 km/h	49%	58%	2
Sat 5p	Cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	0%	10 mph16 km/h from S, gusts 10 mph16 km/h	51%	69%	1
Sat 6p	Cloudy	64°18° (likely 60°16° to 64°18°)	64°18°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	57%	74%	0
Sat 7p	Partly cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	5%	5 mph8 km/h from SSE, gusts 10 mph17 km/h	65%	61%	0
Sat 8p	Clear	58°14° (likely 56°13° to 58°14°)	58°14°	5%	5 mph8 km/h from SSE, gusts 10 mph17 km/h	71%	33%	0
Sat 9p	Clear	57°14° (likely 56°13° to 57°14°)	57°14°	5%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	75%	24%	0
Sat 10p	Clear	56°13° (likely 55°13° to 56°13°)	56°13°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	77%	14%	0
Sat 11p	Clear	55°13° (likely 54°12° to 55°13°)	55°13°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	77%	13%	0
Sun 12a	Partly cloudy	54°12° (likely 53°12° to 54°12°)	54°12°	5%	5 mph8 km/h from S, gusts 10 mph17 km/h	76%	51%	0
Sun 1a	Partly cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	5%	5 mph8 km/h from S, gusts 11 mph17 km/h	77%	59%	0
Sun 2a	Cloudy	52°11° (likely 52°11° to 53°12°)	52°11°	5%	5 mph8 km/h from S, gusts 9 mph15 km/h	77%	69%	0
Sun 3a	Partly cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	5%	5 mph8 km/h from SSW, gusts 10 mph15 km/h	77%	75%	0
Sun 4a	Partly cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	5%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	79%	83%	0
Sun 5a	Cloudy	50°10° (likely 50°10° to 53°12°)	48°9°	5%	5 mph8 km/h from SSW, gusts 12 mph19 km/h	79%	88%	0
Sun 6a	Cloudy	50°10° (likely 50°10° to 53°12°)	48°9°	0%	5 mph8 km/h from SSW, gusts 12 mph19 km/h	81%	90%	0
Sun 7a	Cloudy	50°10° (likely 50°10° to 53°12°)	48°9°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	85%	90%	0
Sun 8a	Cloudy	51°11° (likely 51°11° to 53°12°)	49°9°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	84%	81%	0
Sun 9a	Cloudy	56°13° (likely 56°13° to 56°13°)	56°13°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	73%	81%	1
Sun 10a	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from SSW, gusts 13 mph21 km/h	65%	72%	2
Sun 11a	Mostly cloudy	65°18° (likely 62°17° to 66°19°)	65°18°	0%	5 mph8 km/h from SSW, gusts 13 mph21 km/h	57%	72%	2
Sun 12p	Mostly cloudy	68°20° (likely 66°19° to 69°21°)	68°20°	0%	5 mph8 km/h from SSW, gusts 12 mph19 km/h	52%	59%	3
Sun 1p	Partly sunny	71°22° (likely 69°21° to 72°22°)	71°22°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	48%	49%	3
Sun 2p	Partly sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	46%	58%	3
Sun 3p	Partly sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	46%	68%	2
Sun 4p	Partly sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	46%	38%	2
Sun 5p	Cloudy	70°21° (likely 67°19° to 70°21°)	71°22°	0%	5 mph8 km/h from SSW, gusts 8 mph13 km/h	50%	77%	1
Sun 6p	Cloudy	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	57%	77%	0
Sun 7p	Partly cloudy	62°17° (likely 60°16° to 64°18°)	62°17°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	65%	73%	0
Sun 8p	Cloudy	59°15° (likely 59°15° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	72%	78%	0
Sun 9p	Cloudy	58°14° (likely 58°14° to 60°16°)	58°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	77%	79%	0
Sun 10p	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	80%	80%	0
Sun 11p	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 9 mph14 km/h	82%	80%	0
Mon 12a	Cloudy	54°12° (likely 54°12° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 9 mph15 km/h	83%	80%	0
Mon 1a	Cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 11 mph18 km/h	84%	76%	0
Mon 2a	Cloudy	52°11° (likely 52°11° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 12 mph19 km/h	87%	73%	0
Mon 3a	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 13 mph20 km/h	89%	72%	0
Mon 4a	Cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	0%	5 mph8 km/h from N, gusts 13 mph21 km/h	92%	69%	0
Mon 5a	Cloudy	50°10° (likely 50°10° to 57°14°)	49°9°	0%	5 mph8 km/h from N, gusts 13 mph20 km/h	94%	84%	0
Mon 6a	Cloudy	50°10° (likely 50°10° to 56°13°)	48°9°	0%	5 mph8 km/h from NNE, gusts 13 mph21 km/h	95%	94%	0
Mon 7a	Cloudy	50°10° (likely 50°10° to 56°13°)	48°9°	0%	5 mph8 km/h from NNE, gusts 14 mph23 km/h	94%	94%	0
Mon 8a	Cloudy	52°11° (likely 52°11° to 57°14°)	52°11°	0%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	91%	78%	0
Mon 9a	Cloudy	56°13° (likely 54°12° to 59°15°)	56°13°	0%	10 mph16 km/h from NE, gusts 14 mph23 km/h	84%	89%	1
Mon 10a	Mostly cloudy	59°15° (likely 56°13° to 61°16°)	59°15°	0%	10 mph16 km/h from NE, gusts 15 mph23 km/h	78%	83%	1

Days ahead

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

Today, Oct 24. Cloudy. High 70°21°, low 50°10°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 50°10°
  Dry
Official NWS forecast
Today: Partly sunny. High near 70, with temperatures falling to around 68 in the afternoon. South wind around 10 mph.
Tonight: Partly cloudy, with a low around 50. South wind around 5 mph, with gusts as high as 15 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
47°8°–50°10°
Typical high / low
59°15° / 37°3°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
3
Tomorrow, Oct 25. Partly sunny. High 73°23°, low 50°10°. Typical 59°15° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 73, 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 50. 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
50°10°–52°11°
Typical high / low
59°15° / 36°2°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 63°17°, low 47°8°. Typical 58°14° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  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: Mostly cloudy, with a high near 63. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–63°17°
Low, likely
47°8°–53°12°
Typical high / low
58°14° / 36°2°
Wind
11 mph18 km/h, gusts 20 mph31 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 64°18°, low 50°10°. Typical 58°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 64.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
50°10°–53°12°
Typical high / low
58°14° / 36°2°
Wind
10 mph15 km/h, gusts 25 mph40 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 72°22°, low 51°11°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 58°14°
  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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
51°11°–55°13°
Typical high / low
57°14° / 36°2°
Wind
14 mph23 km/h, gusts 28 mph44 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 68°20°, low 46°8°. Typical 57°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 52°11°
  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 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
46°8°–57°14°
Typical high / low
57°14° / 35°2°
Wind
13 mph21 km/h, gusts 31 mph49 km/h
UV peak
3
Friday, Oct 30. Showers. High 66°19°, low 47°8°. Typical 56°13° / 35°2°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  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 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–74°23°
Low, likely
44°7°–58°14°
Typical high / low
56°13° / 35°2°
Wind
15 mph23 km/h, gusts 20 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 68°20°, low 56°13°. Typical 56°13° / 35°2°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.05 in1.4 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
63°17°–73°23°
Low, likely
52°11°–59°15°
Typical high / low
56°13° / 35°2°
Wind
12 mph20 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Showers. High 65°18°, low 57°14°. Typical 55°13° / 34°1°. Rain 0.5 in13 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  50% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  40% chance · 0.23 in5.9 mm
3. Evening
  6 PM–midnight
  Showers, 61°16°
  40% chance · 0.17 in4.3 mm
4. Overnight
  midnight–6 AM
  Showers, 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°–69°21°
Low, likely
54°12°–60°16°
Typical high / low
55°13° / 34°1°
Wind
23 mph37 km/h, gusts 43 mph68 km/h
UV peak
2
Monday, Nov 2. Showers. High 60°16°, low 51°11°. Typical 55°13° / 34°1°. Rain 0.32 in8.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Rain, 58°14°
  30% chance · 0.23 in5.8 mm
3. Evening
  6 PM–midnight
  Rain, 55°13°
  40% 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°–66°19°
Low, likely
45°7°–58°14°
Typical high / low
55°13° / 34°1°
Wind
21 mph34 km/h, gusts 39 mph63 km/h

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 50°.
Tomorrow
Dry, high 73°, low 50°, warming up.
Monday
Dry, high 63°, low 47°, cooling off.
Rest of week
Highs 60–72°; 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

Fox River at Lake Villa

5.9 mi

Below flood stage

Level: 4.1 ft

Reading from Sat 9:15 AM · NWS gauge page

Fox River at Fox Lake

6.7 mi

Below flood stage

Level: 4.1 ft

Reading from Sat 9 AM · NWS gauge page

Des Plaines River near Gurnee

7.2 mi

Below flood stage

Level: 2.3 ft
Flow: 74 cfs

Reading from Sat 9:30 AM · NWS gauge page

Mill Creek (IL) at Old Mill Creek

7.7 mi

Below flood stage

Level: 6.5 ft
Flow: 31 cfs

Reading from Sat 9 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 14Typical 128

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 12:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

MCHENRY STRATTON LOCK/DAM · official normals 1991–2020 · records 1992–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

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

Round Lake Park weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 5:17–6:14 PM; Morning 6:58–7:55 AM
Blue hour: 6:14–6:25 PM; Morning 6:47–6:58 AM; first light 6:47 AM

Stars tonight? Fair

Mostly clear 9 PM–12 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

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

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

Round Lake 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

Fox River at Lake Villa

Fox River at Fox Lake

Des Plaines River near Gurnee

Mill Creek (IL) at Old Mill Creek

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