Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
201
FWUS45 KTFX 212201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Mon Sep 21 2026
...Glacier National Park/Marias Pass...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW CL FW FW SC SC SC OV OV SC SC BK SC SC SC FW
Cloud Cover (%) 5 10 5 5 15 40 35 45 75 75 45 30 55 30 30 30 20
Temperature 61 51 49 48 47 49 59 62 60 52 49 48 46 47 55 58 56
Min/Max Temp 46 62 46 58
Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 9 10 11 11 10 10 11 11 6 9 10 12 13 13 17 16 13
Wind Gust (mph) 31 34 33
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 9.6 9.6 9.6 9.6 9.5 9.5 9.9 10.4 10.6 10.3 10.0 9.3 8.6 8.3 8.3 9.0 9.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bob Marshall/Scapegoat Wilderness...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW CL CL FW FW SC SC OV OV SC SC FW FW FW SC SC
Cloud Cover (%) 5 5 5 5 10 20 30 45 85 80 50 30 25 15 20 25 30
Temperature 64 52 48 46 45 49 61 64 62 52 49 46 45 47 59 62 60
Min/Max Temp 44 64 44 62
Wind Dir W W SW W W SW SW SW W W W W W SW SW SW W
Wind (mph) 5 5 5 5 5 5 5 6 4 5 5 6 8 8 10 11 9
Wind Gust (mph) 28 28
Precip Prob (%) 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.5 10.3 10.1 10.0 10.0 10.1 10.4 10.9 11.0 10.9 10.6 10.2 9.9 9.6 9.9 10.4 10.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Nevada Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW CL FW FW FW FW BK OV OV BK SC FW CL CL FW SC
Cloud Cover (%) 5 5 5 5 10 25 20 50 75 80 65 30 25 5 5 15 25
Temperature 65 54 52 49 47 49 61 65 64 55 52 49 47 49 60 65 64
Min/Max Temp 46 67 46 66
Wind Dir SW SW SW SW SW SW SW SW W SW SW SW W SW SW SW W
Wind (mph) 4 3 4 4 4 4 4 4 3 5 5 6 6 6 8 9 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.4 10.3 10.6 10.6 10.4 10.4 10.7 10.9 11.1 11.0 10.9 10.3 10.1 9.8 10.1 10.7 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW SC SC OV OV OV OV SC FW CL CL FW FW
Cloud Cover (%) 5 5 5 10 15 40 25 75 90 85 75 35 20 5 0 20 25
Temperature 62 51 48 46 44 48 60 63 61 52 49 47 45 47 59 63 62
Min/Max Temp 43 64 44 64
Wind Dir SE S S SW SW SW SW SW SW W W SW SW SW SW SW W
Wind (mph) 4 3 4 4 4 4 4 5 3 5 5 6 6 6 6 8 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 20 20 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.09 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.0 10.9 10.8 10.8 10.7 10.7 10.8 11.2 11.4 11.2 11.1 10.9 10.4 10.2 10.5 10.9 11.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Big Belt Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL CL FW FW FW SC FW BK OV OV OV BK SC CL CL FW FW
Cloud Cover (%) 5 5 5 10 5 35 25 55 80 85 80 55 30 5 0 10 15
Temperature 65 55 51 49 47 50 61 66 65 57 54 51 48 50 61 66 65
Min/Max Temp 46 67 48 67
Wind Dir SW SE SE S S S SW SW SW SW S SW SW S SW SW SW
Wind (mph) 3 5 6 6 5 5 5 4 2 4 5 5 6 8 8 9 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 10 0 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.08 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.0 10.1 10.3 10.6 10.6 10.5 10.5 10.8 11.1 11.1 11.0 10.9 10.4 10.1 10.2 10.6 11.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW FW SC SC OV OV OV OV BK FW CL FW FW
Cloud Cover (%) 5 5 10 15 10 25 25 40 85 85 90 80 50 10 5 10 10
Temperature 65 52 49 47 47 53 64 67 65 55 52 50 49 52 63 66 65
Min/Max Temp 45 68 47 67
Wind Dir S S S S SW SW SW W S S SW SW SW SW W W SW
Wind (mph) 5 9 9 8 6 5 4 5 3 4 5 6 6 8 8 9 6
Wind Gust (mph) 23 27
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.04 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.8 10.3 9.7 9.9 10.2 10.4 10.5 11.0 11.2 11.2 11.1 11.0 10.8 10.3 10.4 10.8 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Highwood Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL FW SC OV OV OV OV BK FW CL CL FW
Cloud Cover (%) 5 5 5 10 10 0 15 25 75 80 80 80 55 5 0 5 10
Temperature 67 58 55 54 54 57 66 69 68 59 57 56 54 57 67 70 68
Min/Max Temp 52 70 54 70
Wind Dir SE SE S SW SW SW W NW E S SW W W SW W W W
Wind (mph) 6 9 6 6 4 4 3 4 4 5 5 8 9 9 9 10 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.5 10.1 9.7 9.6 9.8 10.1 10.2 10.8 11.2 11.0 11.0 10.9 10.7 10.4 10.2 10.4 10.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW FW FW FW FW SC FW BK OV OV OV OV SC CL FW FW
Cloud Cover (%) 5 15 10 15 15 15 30 25 65 90 95 95 100 30 5 10 15
Temperature 64 53 51 49 47 55 68 70 68 58 55 54 52 56 67 70 68
Min/Max Temp 45 72 50 71
Wind Dir SE S S S S SW W NE SE S S SW SW W NW W W
Wind (mph) 8 11 10 8 5 4 3 4 4 6 5 5 6 6 6 5 3
Wind Gust (mph) 28
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 20 5 5 5 5 0
Precip Type R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.15 0.02
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 9.7 9.6 9.6 9.4 9.4 9.5 9.9 10.8 11.3 11.2 11.2 11.0 10.9 10.8 10.4 10.9 11.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW FW FW FW FW FW SC BK OV OV OV OV SC CL CL FW
Cloud Cover (%) 5 10 20 20 20 10 15 25 65 85 95 80 95 35 5 5 10
Temperature 63 52 50 49 47 53 66 70 68 56 54 53 51 56 67 71 68
Min/Max Temp 45 71 49 71
Wind Dir SE SE SE S S S S SW S SE SE SW SW W W W W
Wind (mph) 9 11 10 6 4 4 4 5 2 3 2 2 2 4 8 8 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.06 0.01
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 9.0 9.1 9.2 9.2 9.3 9.4 9.5 10.0 10.1 10.7 10.8 10.8 10.8 10.7 10.2 10.1 10.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW SC FW SC OV OV OV OV BK FW CL CL FW
Cloud Cover (%) 5 5 15 25 20 45 20 40 95 95 95 70 55 10 0 5 10
Temperature 63 51 47 45 44 49 61 65 64 55 52 49 47 49 60 65 64
Min/Max Temp 42 67 46 66
Wind Dir S E SE S SW SW SW W W S SW SW SW SW W W W
Wind (mph) 4 5 4 4 4 5 6 6 3 4 5 6 8 8 10 11 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 10 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.13 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.5 10.1 9.9 10.2 10.4 10.6 10.6 11.0 11.2 11.1 11.1 11.0 10.9 10.3 10.3 10.9 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW SC SC FW SC OV OV OV OV SC FW CL CL FW
Cloud Cover (%) 5 5 10 20 25 50 10 50 95 95 95 70 40 5 0 5 10
Temperature 63 51 48 45 44 48 60 64 63 54 51 49 46 49 59 64 64
Min/Max Temp 43 66 45 65
Wind Dir E SE SE S S SW SW W SW S S SW SW SW SW W SW
Wind (mph) 2 6 5 4 3 3 3 4 2 3 4 4 5 4 6 6 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 20 20 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.10 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.7 10.4 10.6 10.8 10.7 10.7 10.6 10.9 11.2 11.3 11.2 11.0 10.9 10.5 10.4 10.8 11.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW SC BK SC SC OV OV OV OV BK BK FW FW FW FW
Cloud Cover (%) 10 10 10 35 50 30 40 70 95 95 80 60 60 25 10 15 10
Temperature 57 47 44 42 41 44 55 58 55 48 45 43 41 42 53 57 57
Min/Max Temp 40 59 40 58
Wind Dir SW S S S S S SW SW S S S S S S SW SW SW
Wind (mph) 4 4 6 6 6 6 5 6 5 6 5 5 6 6 6 8 8
Wind Gust (mph) 24
Precip Prob (%) 0 0 0 0 0 0 0 0 20 30 30 0 0 0 0 0 0
Precip Type T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.01 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.16 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.4 11.2 11.1 10.8 10.5 10.5 10.9 11.4 11.4 11.1 11.0 11.0 10.9 10.9 10.8 11.2 11.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 100 100 100 100 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW SC SC SC OV OV OV OV BK BK FW FW FW FW
Cloud Cover (%) 10 10 10 20 45 45 25 75 95 95 90 65 60 15 5 20 15
Temperature 59 49 45 43 42 45 58 61 57 50 47 45 42 44 56 60 60
Min/Max Temp 41 62 42 61
Wind Dir N SE S S S S SW W SW S SW SW SW S SW W SW
Wind (mph) 4 4 6 8 6 6 4 5 4 6 6 6 6 8 5 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 20 30 40 0 0 0 0 0 0
Precip Type R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.13 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.4 11.3 11.1 10.9 10.7 10.5 10.9 11.5 11.5 11.2 11.1 11.0 11.0 10.8 10.9 11.2 11.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 100 100 0 0 0 0
...Lionhead Range...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW SC SC BK SC BK BK OV OV OV OV OV SC FW FW CL
Cloud Cover (%) 5 10 30 45 60 45 70 70 95 95 95 75 95 35 20 5 5
Temperature 60 47 42 39 36 42 58 60 56 47 44 41 38 41 55 59 58
Min/Max Temp 34 61 36 60
Wind Dir SW S S SE SE SE SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 2 2 2 2 2 2 3 6 3 2 1 1 1 2 5 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 5 30 30 50 0 0 0 0 0 0
Precip Type R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.01 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.35 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.3 11.2 11.2 10.8 10.7 10.8 10.9 11.1 11.2 11.2 11.1 11.0 11.0 11.0 10.9 11.4 11.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW FW FW SC SC SC OV OV OV OV BK SC FW CL FW FW
Cloud Cover (%) 5 10 10 20 40 30 50 80 95 95 80 55 30 5 5 10 10
Temperature 58 49 47 45 43 46 56 59 57 50 47 45 43 46 55 59 59
Min/Max Temp 42 60 43 60
Wind Dir NW SE S SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 3 4 6 5 5 5 5 5 4 6 8 8 8 8 8 9 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 5 20 20 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.07 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.1 11.0 11.1 10.9 10.7 10.7 10.9 11.2 11.4 11.2 11.1 11.0 10.9 10.5 10.6 10.9 11.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW SC SC SC BK OV OV OV OV SC SC FW CL FW FW
Cloud Cover (%) 10 10 25 45 50 35 65 75 90 95 80 50 45 15 5 15 15
Temperature 59 49 45 43 42 45 58 60 56 49 46 44 42 43 56 61 59
Min/Max Temp 40 61 40 61
Wind Dir S S S S S S SW S S S S S S S S SW S
Wind (mph) 5 8 8 8 6 6 5 8 8 8 6 6 6 8 8 10 10
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 5 30 20 0 0 0 0 0 0 0
Precip Type R T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.02 0.09 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.4 11.2 10.9 10.6 10.6 10.7 11.0 11.4 11.3 11.1 11.1 11.0 10.9 10.6 10.7 11.2 11.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW SC BK BK SC BK OV OV OV OV BK OV SC FW FW FW
Cloud Cover (%) 5 10 30 55 50 35 65 85 90 95 80 60 85 30 15 10 10
Temperature 58 48 45 43 41 44 56 58 54 48 46 43 41 42 53 58 57
Min/Max Temp 40 59 40 59
Wind Dir S S SE SE SE SE S SW S SW S S S S S S S
Wind (mph) 5 3 4 4 4 5 5 10 6 4 3 3 3 4 6 10 9
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 30 30 20 0 0 0 0 0 0
Precip Type R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.21 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.3 10.9 10.7 10.5 10.6 10.7 11.0 11.1 11.1 11.1 11.1 11.0 10.9 10.8 10.8 11.3 11.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover CL FW FW FW SC SC SC OV OV OV OV SC SC FW CL FW SC
Cloud Cover (%) 5 5 10 15 40 35 40 75 85 85 70 30 45 10 5 20 35
Temperature 61 50 47 45 43 45 57 61 59 50 47 44 42 44 55 61 61
Min/Max Temp 42 62 41 62
Wind Dir W NE E SE SE S SW SW W W SW SW SW S SW SW SW
Wind (mph) 3 2 3 3 3 3 4 5 4 4 3 3 3 4 6 9 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 5 20 5 0 0 0 0 0 0 0
Precip Type T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.06 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.8 10.7 10.9 10.9 10.9 10.9 10.9 11.3 11.3 11.1 11.0 10.7 10.6 10.5 10.5 10.9 11.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Pioneer Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW SC SC SC OV OV OV BK SC SC CL FW FW SC
Cloud Cover (%) 10 15 15 25 45 35 50 75 90 85 70 30 30 5 5 20 25
Temperature 60 49 46 44 43 45 57 60 57 49 46 43 41 43 56 61 60
Min/Max Temp 41 61 40 61
Wind Dir SW SE S S S SW SW SW SW W W SW SW SW SW SW SW
Wind (mph) 4 3 4 3 3 4 4 5 4 4 4 4 4 5 8 9 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 10 20 30 0 0 0 0 0 0 0
Precip Type R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.04 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.04 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.06 0.17 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.3 11.1 11.1 11.0 11.0 10.9 11.0 11.4 11.4 11.2 11.0 10.9 10.5 10.5 10.7 11.0 11.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW SC SC BK OV OV OV OV OV SC SC FW CL FW SC
Cloud Cover (%) 10 15 25 40 45 50 70 80 90 95 70 30 35 10 5 15 25
Temperature 59 48 45 43 42 45 57 59 55 47 44 42 40 43 55 60 59
Min/Max Temp 40 60 39 60
Wind Dir S SE S S S SW SW SW SW SW SW SW SW S SW SW SW
Wind (mph) 4 6 6 5 5 5 4 6 6 6 5 5 5 6 8 9 9
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 5 30 20 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.03 0.11 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.5 11.3 11.1 11.0 11.0 10.9 11.1 11.3 11.3 11.1 11.0 10.9 10.7 10.5 10.7 11.0 11.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW SC SC FW BK OV OV OV OV OV SC SC SC FW
Cloud Cover (%) 10 15 15 20 35 30 15 70 95 95 90 85 95 50 30 30 20
Temperature 55 42 39 37 36 41 53 56 53 44 42 39 38 39 49 54 53
Min/Max Temp 35 57 37 55
Wind Dir W SE S S S S SW SW SW SW SW SW SW SW SW W SW
Wind (mph) 3 5 5 4 4 5 6 9 4 4 4 4 4 6 6 9 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 50 30 60 30 10 10 5 5 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.03 0.02 0.00 0.00
12 Hour QPF 0.00 0.00 0.05 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.30 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.5 11.6 11.5 11.3 11.0 10.8 11.1 11.5 11.5 11.3 11.2 11.1 10.9 10.9 11.1 11.4 11.5
Snow Density (%) 0 0 0 0 100 100 0 0 0 100 50 50 50 50 100 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW SC SC BK FW BK OV OV OV OV BK SC FW SC FW
Cloud Cover (%) 10 15 15 25 40 50 20 55 95 95 90 70 65 25 25 30 25
Temperature 55 46 44 43 42 47 57 59 56 48 47 45 43 45 54 57 57
Min/Max Temp 41 60 42 59
Wind Dir E S SW SW SW SW SW W S SW SW SW SW SW W W W
Wind (mph) 6 6 9 9 10 10 5 6 5 9 10 11 12 13 6 8 5
Wind Gust (mph) 25 31 33
Precip Prob (%) 0 0 0 0 0 0 0 0 40 20 60 10 5 5 10 10 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.03 0.02 0.00 0.00
12 Hour QPF 0.00 0.00 0.05 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.29 0.03
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.7 11.5 11.3 11.1 10.8 10.6 11.0 11.6 11.7 11.5 11.3 11.1 11.0 10.9 11.1 11.4 11.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 100 100 100 100 100 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW SC SC SC SC OV OV OV OV OV OV SC FW FW FW
Cloud Cover (%) 10 15 15 25 45 40 30 70 95 95 85 70 75 35 15 20 15
Temperature 59 47 43 41 39 43 57 60 56 48 45 43 41 42 53 58 58
Min/Max Temp 38 61 39 59
Wind Dir W S S S S S SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 4 4 5 5 5 5 5 6 4 5 4 4 5 6 5 8 6
Wind Gust (mph) 25 24 26 23 26 28 31 35
Precip Prob (%) 0 0 0 0 0 0 0 0 30 30 50 5 0 0 0 0 0
Precip Type R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.03 0.02 0.00 0.00
12 Hour QPF 0.00 0.00 0.05 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.26 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.5 11.4 11.3 11.1 10.8 10.6 11.0 11.4 11.5 11.3 11.1 11.0 10.9 10.9 11.0 11.4 11.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 100 100 100 100 0 0 0
...Crazy Mountains...
Date Tuesday 09/22/26 Wednesday 09/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW BK SC SC OV OV OV OV BK FW CL FW FW
Cloud Cover (%) 5 10 15 20 20 60 30 45 95 95 95 80 55 15 5 5 5
Temperature 59 49 46 45 44 49 59 62 61 53 50 49 46 49 58 62 62
Min/Max Temp 42 64 46 63
Wind Dir SE SE SW SW W SW SW SW S SW W W W W W W W
Wind (mph) 6 6 4 4 5 5 5 5 4 5 8 9 11 11 10 10 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 20 30 5 0 0 0 0 0
Precip Type R
6 Hour QPF 0.00 0.00 0.00 0.00 0.05 0.06 0.00 0.00
12 Hour QPF 0.00 0.00 0.11 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.34 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.6 10.2 10.5 10.7 10.6 10.6 10.8 11.1 11.3 11.2 11.1 11.0 10.9 10.5 10.4 11.0 11.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain