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Ski USA - Illinois

Chestnut Mountain Snow Forecast

42.42° N 90.37° W

Weather Forecast for Chestnut Mountain at 317 m altitude

Issued:
6 am 01 Oct 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 6.0mm), mostly falling on Thu morning. Very mild (max 17°C on Thu morning, min 8°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Mostly dry. Very mild (max 17°C on Sun morning, min 6°C on Sun night). Wind will be generally light.

Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
mod. rain
cloudy
cloudy
clear
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
cloudy
km/h
10
N
15
N
15
N
15
NNE
15
NNE
5
E
10
SE
15
S
10
SW
15
NNW
15
NNW
10
NNW
10
NE
5
E
10
SE
20
S
20
SSW
15
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
17
17
14
14
15
10
16
17
13
17
17
11
14
15
9
15
17
13
min °C
17
16
10
11
13
8
12
15
11
15
13
6
10
12
6
11
14
12
 chill °C
17
15
8
9
13
7
11
15
10
14
12
4
9
12
4
9
13
10
Humid %
95
88
46
57
42
63
63
49
76
79
52
53
54
42
63
61
53
63
Freeze m
4400
4000
3850
3650
3600
3750
3750
3900
3700
3700
3650
3550
3500
3650
3550
3750
3900
4000
Sea lvl1000m2000m3000m4000m5000m
171712131491416121615912148131613181812141481516111716813147141611
Sunrise
6:58
—
—
6:58
—
—
7:00
—
—
7:01
—
—
7:01
—
—
7:03
—
—
Sunset
—
6:43
—
—
6:40
—
—
6:39
—
—
6:37
—
—
6:36
—
—
6:35
—

Days 7-16 weather summary:

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Avalanche information: National Avalanche Center


Snow Radar

Latest snow reports near Chestnut Mountain:

No recent snow reports

No recent snow reports

Chestnut Mountain Snow Conditions

Top snow depth:—
Bottom snow depth:—
Fresh snowfall depth:—
Last snowfall:17 Mar 2026
Snow AlertsCreate Alert
Other resorts in USA - Illinois are reporting: powder (0) / good piste (0)

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Snow History

Week 1 of October has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.


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