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WeatherLive › Illinois › Heritage Lake

Heritage Lake, IL Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherHeritage Lake · 3:09 AM CDT
89° | 70°
71°F
Feels like 70°
Partly cloudy
WindS 9 mph · Gusts 25 mph
Precip18% · –
Humidity72% · Dew point 62°
UV index7 High
Air Quality37 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:23 AM · 7:31 PM · 13h 8m

Weather map — Heritage Lake

Full radar →
Now
71°
15%
9 mph
04:00
72°
16%
9 mph
05:00
71°
18%
9 mph
06:00
71°
15%
10 mph
07:00
70°
14%
8 mph
08:00
72°
19%
8 mph
09:00
76°
14%
11 mph
10:00
80°
7%
11 mph
11:00
89°
10%
12 mph
12:00
81°
14%
12 mph
13:00
84°
14%
12 mph
14:00
86°
13%
12 mph
15:00
86°
14%
12 mph
16:00
87°
14%
12 mph
17:00
87°
15%
11 mph
18:00
85°
17%
11 mph
19:00
82°
12%
11 mph
20:00
84°
4%
13 mph
21:00
85°
2%
14 mph
22:00
85°
1%
14 mph
23:00
85°
1%
15 mph
00:00
85°
2%
14 mph
01:00
84°
1%
13 mph
02:00
83°
3%
13 mph

Today · Mon 8/31

High 89°
18% / –

Partly cloudy. Winds S at 15 mph.

Overnight · Mon 8/31

Low 70°
— / –

Partly cloudy.

Tomorrow · Tue 9/1

94° | 74°
4% / –

Sunny. Winds S at 14 mph.

7-day trend

Heritage Lake · temperature + precipitation

10-day forecast

Updated 3:09 AM

Details & indices

Wind
9 mph S
Gusts 25 mph
Humidity
72%
Dew point 62°
Pressure
29.94 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 37 · 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

Sunrise6:23 AM
Sunset7:31 PM
Length of day13h 8m
Moonrise8:58 PM
Moonset10:07 AM
Moon phase🌖 Waning Gibbous · 89%
Next full moonSep 26 Harvest 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
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Drizzle
70° 🌤️
Aurora
—
— 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Monday, August 31
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: 3:09 AM
Weather in Heritage Lake
Heritage Lake's outlook: warmest day near 94° (Wednesday), coldest night about 62° (Monday). Roughly 0.36 in of rain falls over the period, with Tuesday the most likely wet day (78%). Hold onto the patio furniture Tuesday: gusts could hit 40 mph. No watches or warnings are active for the area right now. Right now Heritage Lake is about 9° cooler than nearby 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: 3:09 AM