Duffy Mountain

CO
40.4258°, -107.8620° Directions ↗

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Showing Paragliding — switch wings up top ↑
Not flyable
Medium confidence · · Run: HRRR
The sun is not up yet — no daylight to fly
NESW 85° E
Current conditions
Flyability score
10
/100 · paragliding
Wind
5
mph base
Gusts
7
mph
Direction
E
85°
Aloft
7
ESE @ridge
Thermals
Calm
base ~4659ft
Temp
63°
F
Cloudbase
11,175
ft MSL
Elevation
6,516
ft MSL
Sunrise
6:08 AM
local
Sunset
8:27 PM
local
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Where it is

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Flyable Caution / slim window Not flyable
What we look for at Duffy Mountain

Wind direction

S (190°) → W (260°)

The wind must blow from within this arc. Direction is the same for both wings.

Ideal speed

7–15 mph

Ceiling · Paragliding

≤ 19 mph base · gusts ≤ 23

Top of the range for paragliding (any rating) — switch wings up top to compare. Hang gliders hold roughly 10 mph more than paragliders.

High-desert launch in the Yampa Valley near Hayden, west of Steamboat (~6,500 ft), with no published club numbers — the S/SW orientation is only a map marker. Likely a thermal/XC site with strong gusty midday cycles and overdevelopment, so morning and evening glass-off are safest. Steamboat-area sites are generally invite-only, so confirm access with the local club first.

Next 7 days How calls are made

Friday Flyable flyable 8am–9am
6a
1g1
SE
7a
4g4
E
8a
1g2
ENE
9a
0g2
W
10a
2g5
WNW
11a
5g9
NW
12p
7g10
NW
1p
9g12
NW
2p
10g13
W
3p
8g13
NNW
4p
9g13
NW
5p
10g11
N
6p
10g14
NW
7p
4g15
WNW
8p
5g11
NNE
Flyable 8am–9am — best around 2pm: 10 mph W, gusts 13.
Saturday Flyable flyable 9am–10am
6a
3g4
ESE
7a
4g5
E
8a
4g5
E
9a
1g2
ESE
10a
2g3
WNW
11a
3g6
WNW
12p
3g11
WNW
1p
5g11
WNW
2p
9g12
NW
3p
11g13
WNW
4p
8g11
N
5p
14g15
NW
6p
2g9
NNE
7p
6g13
NNW
8p
1g5
ENE
Flyable 9am–10am — best around 9am: 1 mph ESE, gusts 2.
🌅 Wonder windGlass-off possible 8pm — smooth, light ENE ~1 mph, clear evening sky, the day heated up well.
– Light, smooth wind✓ Straight in the window✓ Wind dying off into evening✓ Clear skies (radiative cooling)✓ Day built a thermal layer
Sunday Not flyable no window
6a
5g10
ENE
7a
6g11
E
8a
6g11
E
9a
5g12
E
10a
2g14
SE
11a
5g17
SW
12p
9g19
WSW
1p
11g21
WSW
2p
12g23
W
3p
13g25
W
4p
15g27
W
5p
16g29
W
6p
16g28
W
7p
12g23
W
8p
7g16
WSW
No usable window today.
Monday Slim window flyable 8am
6a
3g5
E
7a
3g5
E
8a
2g7
ENE
9a
1g8
NNE
10a
3g11
NW
11a
5g15
NW
12p
8g17
NW
1p
9g17
NW
2p
10g16
NW
3p
10g16
NW
4p
10g18
NW
5p
11g20
NW
6p
10g22
NW
7p
9g23
NNW
8p
8g23
N
Flyable 8am–9am — best around 8am: 2 mph ENE, gusts 7. 1 clean hr, the rest borderline.
Tuesday Caution workable 5pm
6a
2g11
E
7a
1g11
E
8a
1g11
ENE
9a
0g11
N
10a
1g11
NW
11a
3g12
NW
12p
4g14
NW
1p
6g17
WNW
2p
8g21
W
3p
10g24
W
4p
12g23
W
5p
14g22
WNW
6p
15g21
WNW
7p
11g21
WNW
8p
7g22
NNW
Borderline only 5pm — best around 5pm: 14 mph WNW, gusts 22. All borderline — fly it with a close eye. cross / edge of the window.
Wednesday Caution workable 6am–11am
6a
1g8
N
7a
1g7
NNW
8a
1g8
WNW
9a
2g9
W
10a
3g10
W
11a
3g11
WNW
12p
4g12
WNW
1p
4g13
WNW
2p
4g14
NW
3p
5g15
NW
4p
6g17
NW
5p
6g19
NW
6p
7g20
NW
7p
6g21
NNW
8p
5g21
NNW
Borderline only 6am–11am — best around 6am: 1 mph N, gusts 8. All borderline — fly it with a close eye.
Thursday Not flyable no window
6a
5g8
E
7a
4g8
ESE
8a
4g9
ESE
9a
3g10
SE
10a
3g11
SSE
11a
3g11
S
12p
3g12
SSW
1p
2g13
SW
2p
2g13
WSW
3p
2g14
W
4p
2g14
WNW
5p
3g15
WNW
6p
3g16
WNW
7p
4g17
W
8p
5g18
SW
Wind's out of the WNW most of the day — outside the working window, so cross/tail or rotor.
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Conditions are an automated estimate from public forecast models, not a go/no-go call. Always check the sky, talk to locals, and fly within your rating. You are responsible for your own safety.