New York, NY 67° Los Angeles, CA 69° Chicago, IL 67° 🌤️ Houston, TX Miami, FL 78° 🌤️ Phoenix, AZ 🌤️ Seattle, WA Denver, CO 75° 🌤️ Toronto, ON Vancouver, BC 63°
WeatherLive › Illinois › Heritage Lake

Heritage Lake, IL Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherHeritage Lake · 7:11 AM CDT
84° | 66°
66°F
Feels like 67°
Showers
WindNW 6 mph · Gusts 10 mph
Precip81% · 7.81 in
Humidity93% · Dew point 64°
UV index7 High
Air Quality16 Good
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:15 AM · 7:45 PM · 13h 30m

Weather map — Heritage Lake

Full radar →
Now
66°
0.50 in
6 mph
08:00
68°
0.50 in
6 mph
09:00
70°
0.50 in
8 mph
10:00
72°
0.50 in
7 mph
11:00
78°
0.50 in
7 mph
12:00
80°
0.50 in
6 mph
13:00
83°
0.50 in
8 mph
14:00
84°
0.50 in
9 mph
15:00
84°
0.50 in
10 mph
16:00
78°
5%
9 mph
17:00
77°
17%
9 mph
18:00
76°
9%
7 mph
19:00
75°
23%
7 mph
20:00
72°
11%
8 mph
21:00
70°
11%
8 mph
22:00
68°
12%
7 mph
23:00
67°
12%
6 mph
00:00
66°
12%
6 mph
01:00
65°
13%
6 mph
02:00
64°
13%
5 mph
03:00
64°
13%
6 mph
04:00
62°
14%
7 mph
05:00
61°
15%
5 mph
06:00
60°
21%
4 mph

Today · Sat 8/22

High 84°
81% / 7.81 in

Showers. Winds NW at 10 mph.

Overnight · Sat 8/22

Low 68°
— / –

Showers.

Tomorrow · Sun 8/23

75° | 60°
15% / –

Mostly cloudy. Winds E at 7 mph.

7-day trend

Heritage Lake · temperature + precipitation

10-day forecast

Updated 7:11 AM

Details & indices

Wind
6 mph NW
Gusts 10 mph
Humidity
93%
Dew point 64°
Pressure
30.00 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 16 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Heritage Lake

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:15 AM
Sunset7:45 PM
Length of day13h 30m
Moonrise4:43 PM
Moonset12:30 AM
Moon phase🌔 Waxing Gibbous · 72%
Next full moonAug 27 Sturgeon Moon
Latitude40.5474°N
Longitude-89.3258°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Partly cloudy
67° 🌤️
Aurora
—
—
Rockford
Sunny
60° 🌤️
Joliet
—
—
Naperville
Light rain
67°
Data sources · Saturday, August 22
Where the Heritage Lake forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.5474°N, -89.3258°.
NBM + global weather models
Updated: 7:11 AM
Weather in Heritage Lake
Heritage Lake's outlook: warmest day near 84° (Saturday), coldest night about 60° (Sunday). Roughly 8.3 in of rain falls over the period, with Saturday the most likely wet day (81%). Hold onto the patio furniture Sunday: gusts could hit 28 mph. No watches or warnings are active for the area right now. Right now Heritage Lake is running about 6° warmer than Rockford. Longer view: variable mid-latitude weather in every season.
Heritage Lake, IL · Elev 748 ft · 40.55°N, 89.33°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 7:11 AM