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WeatherLive › Illinois › Alton

Alton, IL Weather

Current WeatherAlton · 4:13 PM CST
7° | 1°
7°C
Feels like 3°
Mostly cloudy
WindN 11 mph · Gusts 20 mph
Precip10% · –
Humidity46% · Dew point -4°
UV index2 Low
Air Quality32 Good
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:41 AM · 4:48 PM · 10h 7m

Weather map — Alton

Full radar →
Now
6°
7%
9 mph
17:00
5°
7%
7 mph
18:00
4°
8%
6 mph
19:00
4°
8%
6 mph
20:00
4°
8%
6 mph
21:00
3°
8%
5 mph
22:00
3°
7%
5 mph
23:00
2°
7%
5 mph
00:00
1°
7%
5 mph
01:00
1°
7%
5 mph
02:00
0°
8%
6 mph
03:00
0°
9%
6 mph
04:00
0°
9%
5 mph
05:00
-1°
10%
5 mph
06:00
-1°
10%
5 mph
07:00
0°
9%
4 mph
08:00
1°
6%
4 mph
09:00
3°
4%
4 mph
10:00
4°
3%
4 mph
11:00
6°
2%
4 mph
12:00
7°
1%
4 mph
13:00
8°
1%
3 mph
14:00
8°
1%
3 mph
15:00
8°
1%
2 mph

Today · Fri 11/13

High 7°
10% / –

Partly cloudy. Winds N at 12 mph.

Tonight · Fri 11/13

Low -1°
8% / –

Partly cloudy. Winds N at 5 mph.

Tomorrow · Sat 11/14

8° | -1°
4% / –

Sunny. Winds N at 6 mph.

7-day trend

Alton · temperature + precipitation

10-day forecast

Updated 4:13 PM

Details & indices

Wind
11 mph N
Gusts 20 mph
Humidity
46%
Dew point -4°
Pressure
30.09 inHg
Rising
UV index
2 — Low
High today
Air Quality
Good
AQI 32 · US EPA
Allergy
Low
Ragweed
Visibility
6 mi
Clear view
Allergy — Alton

🌿 Conditions right now

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

Sun & moon

Sunrise6:41 AM
Sunset4:48 PM
Length of day10h 7m
Moonrise10:50 AM
Moonset7:59 PM
Next full moonNov 24 Beaver Moon
Latitude38.8906°N
Longitude-90.1843°E

Water temps nearby

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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
Great
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Great
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in Illinois
Chicago
Partly cloudy
6°
🌤️
Aurora
—
—
🌤️
Rockford
—
—
🌤️
Joliet
—
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Naperville
—
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NBM + global weather models
Updated: 4:13 PM
Alton, IL · Elev 492 ft · 38.89°N, 90.18°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: 4:13 PM