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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 14 Oct 2026 (local time)
Forecast update in:
 hr.  min.
Last 6 daysScroll left for last 6 daysNow
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
rain showers
mod rain
light rain
rain showers
light rain
light rain
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
some clouds
some clouds
rain shwrs
mod. rain
light rain
rain shwrs
light rain
light rain
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
km/h
15
NNE
10
NE
10
E
10
E
0
SSW
25
NW
25
NW
30
NNW
10
NNW
10
SW
20
SW
15
SSW
25
SSW
25
SSW
15
SW
15
SW
10
SW
10
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
1
9
4
3
2
1
—
—
—
—
—
—
—
—
—
—
max °C
16
17
13
13
13
11
7
7
6
10
11
7
15
16
11
16
17
12
min °C
14
15
12
12
13
6
6
7
2
6
8
7
11
12
9
12
14
10
 chill °C
13
15
11
11
13
1
2
3
2
4
6
4
8
10
7
10
14
10
Humid %
77
57
84
92
98
91
88
89
70
68
50
73
63
51
73
67
56
67
Freeze m
4200
4200
4100
4000
4000
2250
1250
1650
1450
3000
3500
3800
3950
4000
3900
3900
3800
3700
Sea lvl1000m2000m3000m4000m5000m
15161313139774810713141014161116171312139874910613149151511
Sunrise
7:11
—
—
7:13
—
—
7:15
—
—
7:16
—
—
7:16
—
—
7:18
—
—
Sunset
—
6:21
—
—
6:20
—
—
6:17
—
—
6:15
—
—
6:15
—
—
6:13
—

Next 3 days weather summary:

Heavy rain (total 20.0mm), heaviest during Thu morning. Very mild (max 17°C on Wed afternoon, min 2°C on Fri night). Winds decreasing (fresh winds from the NW on Thu night, calm by Fri night).

Days 4-6 weather summary:

Mostly dry. Very mild (max 17°C on Mon afternoon, min 6°C on Sat morning). Winds decreasing (fresh winds from the SW on Sun morning, calm by Mon night).

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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 2 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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