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WeatherLive › Illinois › Greater Grand Crossing

Greater Grand Crossing, IL Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherGreater Grand Crossing · 5:08 AM CDT
81° | 62°
62°F
Feels like 60°
Sunny
WindS 5 mph · Gusts 16 mph
Precip17% · –
Humidity78% · Dew point 55°
UV index5 Moderate
Air Quality40 Good
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:13 AM · 7:29 PM · 13h 16m

Weather map — Greater Grand Crossing

Full radar →
Now
62°
8%
5 mph
06:00
62°
10%
5 mph
07:00
62°
25%
5 mph
08:00
67°
18%
6 mph
09:00
71°
19%
7 mph
10:00
76°
14%
7 mph
11:00
81°
12%
7 mph
12:00
74°
14%
7 mph
13:00
78°
12%
8 mph
14:00
79°
11%
8 mph
15:00
81°
11%
8 mph
16:00
77°
13%
7 mph
17:00
76°
14%
6 mph
18:00
76°
6%
9 mph
19:00
74°
4%
8 mph
20:00
73°
19%
7 mph
21:00
72°
19%
7 mph
22:00
72°
21%
6 mph
23:00
71°
27%
7 mph
00:00
71°
25%
9 mph
01:00
70°
26%
10 mph
02:00
70°
22%
9 mph
03:00
70°
21%
9 mph
04:00
71°
24%
8 mph

Today · Sat 8/29

High 81°
17% / –

Mostly cloudy. Winds S at 9 mph.

Overnight · Sat 8/29

Low 62°
— / –

Mostly cloudy.

Tomorrow · Sun 8/30

86° | 69°
48% / 0.03 in

Mostly cloudy. Winds S at 14 mph.

7-day trend

Greater Grand Crossing · temperature + precipitation

10-day forecast

Updated 5:08 AM

Details & indices

Wind
5 mph S
Gusts 16 mph
Humidity
78%
Dew point 55°
Pressure
30.09 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 40 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Greater Grand Crossing

🌿 Conditions right now

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

Sun & moon

Sunrise6:13 AM
Sunset7:29 PM
Length of day13h 16m
Moonrise8:03 PM
Moonset7:43 AM
Moon phase🌕 Full Moon · 98%
Next full moonSep 26 Harvest Moon
Latitude41.7611°N
Longitude-87.6149°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
Mostly cloudy
62° 🌤️
Aurora
—
— 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Saturday, August 29
Where the Greater Grand Crossing 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: 41.7611°N, -87.6149°.
NBM + global weather models
Updated: 5:08 AM
Weather in Greater Grand Crossing
Over the next 10 days Greater Grand Crossing tops out around 97° (Sunday) and dips to 62° on the coolest night (Saturday). Roughly 0.20 in of rain falls over the period, with Monday the most likely wet day (57%). Expect a blustery spell — gusts near 37 mph on Wednesday. No active NWS alerts at the moment — quiet on the hazards front. Right now Greater Grand Crossing is about 23° cooler than nearby Aurora. Longer view: variable mid-latitude weather in every season.
Greater Grand Crossing, IL · Elev 591 ft · 41.76°N, 87.61°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: 5:08 AM