Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
131
FWUS45 KTFX 081001
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Tue Sep 8 2026
...Glacier National Park/Marias Pass...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover OV OV OV OV SC SC SC SC BK SC SC SC SC SC BK BK SC
Cloud Cover (%) 95 90 90 80 40 45 35 35 55 30 25 30 45 45 60 50 45
Temperature 41 41 42 45 46 43 43 42 41 43 50 54 54 51 51 49 49
Max/Min Temp 47 40 55 48
Wind Dir W W W W W W SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 14 12 11 12 14 18 17 17 19 20 23 24 25 29 31 31 29
Wind Gust (mph) 33 39 37 40 44 44 47 47 56 65 69 70 70
Precip Prob (%) 80 80 40 10 5 10 5 5 0 0 0 0 0 0 0 0 0
Precip Type R R R R R
6 Hour QPF 0.12 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.13 0.00 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.43 0.00 0.00 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 8.8 8.8 9.0 9.1 9.3 9.2 9.0 8.9 9.0 9.4 10.3 10.8 11.2 11.1 10.9 10.6
Snow Density (%) 50 50 50 100 100 0 0 0 0 0 0 0 0 0 0 0 0
...Bob Marshall/Scapegoat Wilderness...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover BK BK OV OV BK FW FW FW FW FW FW SC SC SC SC SC SC
Cloud Cover (%) 60 65 70 80 55 20 15 15 25 15 15 30 25 30 30 40 30
Temperature 38 40 44 46 48 42 40 39 37 42 53 58 57 50 49 48 47
Max/Min Temp 49 37 59 46
Wind Dir W W W W W W W W W W W W W W W W W
Wind (mph) 11 10 9 10 11 10 10 10 11 13 16 17 17 18 19 20 20
Wind Gust (mph) 34 27 28 34 33 34 41 41 42 44 47 52 58 62 61
Precip Prob (%) 20 40 50 20 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R R R
6 Hour QPF 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.03 0.00 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.36 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) 8.6 8.4 8.5 8.8 9.1 9.0 9.0 8.9 8.6 8.7 9.2 9.5 9.7 10.0 10.0 10.1 9.8
Snow Density (%) 50 50 50 50 100 100 0 0 0 0 0 0 0 0 0 0 0
...Nevada Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC SC BK SC FW FW FW FW FW FW FW FW FW FW SC SC
Cloud Cover (%) 30 40 40 60 40 15 10 15 15 10 5 25 20 15 15 30 25
Temperature 40 42 48 50 51 45 43 41 40 43 55 60 61 54 52 50 49
Max/Min Temp 52 39 62 48
Wind Dir W W W W W W W W SW SW W W W W SW SW SW
Wind (mph) 10 9 11 12 11 9 10 10 10 11 14 14 13 13 17 17 16
Wind Gust (mph) 29 33 32 34 41 41 44
Precip Prob (%) 5 5 20 20 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.01 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.16 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) 8.2 8.0 8.3 8.7 9.0 9.0 9.0 8.9 8.5 8.5 9.0 9.4 9.5 9.5 9.6 9.6 9.3
Snow Density (%) 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW SC BK SC FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 15 15 35 65 35 15 15 10 10 5 10 10 15 10 10 15 15
Temperature 36 41 49 51 51 44 40 38 37 43 56 62 63 51 48 46 45
Max/Min Temp 53 36 64 44
Wind Dir W W W W NW NW W W SW SW W W W W SW SW SW
Wind (mph) 6 5 9 12 11 6 6 6 8 8 10 12 10 9 12 13 12
Wind Gust (mph)
Precip Prob (%) 0 0 5 5 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 0.02 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) 7.9 7.9 8.6 9.0 9.3 9.3 9.0 9.0 8.7 8.8 9.6 10.1 10.2 9.6 9.4 9.5 8.7
Snow Density (%) 50 50 50 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Big Belt Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW BK SC FW FW FW FW FW CL FW FW FW FW FW FW
Cloud Cover (%) 20 15 25 50 40 15 10 15 15 10 5 20 15 10 10 15 10
Temperature 41 44 51 54 52 47 45 43 41 46 57 64 63 55 52 50 49
Max/Min Temp 55 41 64 49
Wind Dir SW SW W W W W SW SW SW SW SW W W W SW SW S
Wind (mph) 9 9 11 12 11 6 6 8 9 11 13 13 11 8 12 14 14
Wind Gust (mph) 26 29 27 32 31 32 31 29 40 43 44
Precip Prob (%) 0 0 5 20 5 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.01 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.13 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) 8.4 8.2 8.4 8.8 9.0 9.1 9.0 8.9 8.7 8.5 9.2 9.7 9.7 9.7 9.5 9.6 9.3
Snow Density (%) 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW BK BK SC FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 40 25 20 65 55 30 10 15 15 10 5 15 15 10 15 25 20
Temperature 40 44 51 53 51 45 43 41 40 46 57 63 63 54 51 51 51
Max/Min Temp 55 40 64 50
Wind Dir W W W W W W W SW SW SW W W W SW SW SW SW
Wind (mph) 11 12 13 16 14 10 9 9 11 14 17 17 16 14 14 17 18
Wind Gust (mph) 34 29 32 35 35 29 26 32 34 39 40 36 39 41 47 49
Precip Prob (%) 0 0 5 30 5 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.02 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.17 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) 9.0 8.7 8.7 9.0 9.0 9.0 8.9 8.8 8.7 8.6 9.2 9.6 9.6 9.4 9.7 9.8 9.5
Snow Density (%) 100 50 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Highwood Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover BK BK SC OV OV SC FW FW FW FW FW SC FW FW FW FW SC
Cloud Cover (%) 65 55 45 70 85 30 15 15 25 10 5 30 20 15 20 25 25
Temperature 47 48 51 51 50 48 47 46 45 51 59 64 64 58 57 58 58
Max/Min Temp 53 45 65 56
Wind Dir W W W W W W W W SW W W W W SW SW SW SW
Wind (mph) 23 18 17 18 16 12 13 13 13 17 19 19 16 17 21 26 28
Wind Gust (mph) 42 41 48 52
Precip Prob (%) 10 10 10 60 10 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.09 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.09 0.01 0.00 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.36 0.01 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) 9.5 9.1 8.9 8.9 8.9 8.9 8.9 8.8 8.7 8.6 9.0 9.5 9.6 9.6 10.5 10.3 10.0
Snow Density (%) 0 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover BK SC SC SC BK BK FW FW SC FW FW FW FW FW FW FW SC
Cloud Cover (%) 55 40 30 50 50 55 25 15 30 10 10 10 10 15 10 15 25
Temperature 45 48 56 59 54 48 47 45 43 50 61 67 67 55 53 52 53
Max/Min Temp 60 42 69 50
Wind Dir W W NW NW NW W W W W W W W W W SW SW SW
Wind (mph) 17 14 14 16 17 12 10 8 8 8 11 12 9 8 9 12 13
Wind Gust (mph) 47 40 34 37 40 35 32 27 26 29 31 29 28 33 39
Precip Prob (%) 0 0 5 10 10 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.04 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.12 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) 9.4 9.2 9.0 9.3 9.1 8.9 8.9 8.7 8.6 8.7 9.4 9.8 9.9 9.4 9.5 9.9 9.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover OV OV OV OV OV BK FW FW BK FW FW FW FW FW SC SC FW
Cloud Cover (%) 85 80 80 90 85 50 20 15 55 10 10 20 20 15 25 30 25
Temperature 44 47 50 51 50 46 45 43 41 49 59 64 63 53 51 51 50
Max/Min Temp 53 41 65 48
Wind Dir W W W W W W W W W W W W W W SW SW SW
Wind (mph) 24 17 16 14 13 12 11 9 9 11 13 12 9 6 8 11 13
Wind Gust (mph) 42 34 29 32
Precip Prob (%) 70 70 60 80 30 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R R R R
6 Hour QPF 0.07 0.21 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.28 0.01 0.00 0.00
Low End QPF 0.05 0.00 0.00 0.00
High End QPF 0.63 0.02 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) 10.1 9.9 9.5 9.3 9.1 9.1 8.8 8.9 9.0 8.7 8.9 9.0 9.2 9.6 10.9 10.8 10.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 20 10 5 35 40 25 15 15 20 5 5 10 15 10 10 20 15
Temperature 40 44 52 55 53 46 43 41 40 45 57 63 63 54 50 49 48
Max/Min Temp 56 40 65 47
Wind Dir W W W W W W W SW SW SW W W W SW SW SW SW
Wind (mph) 13 12 16 19 20 10 9 9 10 14 20 20 17 9 12 17 17
Wind Gust (mph) 36 33 37 41 44 32 26 26 32 42 47 44 42 34 46 52
Precip Prob (%) 0 0 0 20 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type 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 0.03 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) 8.3 8.1 8.5 9.0 9.1 9.0 9.0 8.8 8.8 8.8 9.4 9.9 10.0 9.9 9.4 9.5 9.1
Snow Density (%) 50 50 100 100 100 100 100 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL FW SC SC FW FW FW FW FW CL FW FW FW FW FW FW
Cloud Cover (%) 10 5 10 30 30 20 15 15 20 5 5 10 15 5 10 15 10
Temperature 38 44 52 55 54 46 43 41 39 45 57 64 64 54 50 48 46
Max/Min Temp 56 39 66 46
Wind Dir W W W W NW NW W SW SW SW W W W W SW SW SW
Wind (mph) 5 5 10 13 13 4 3 4 5 8 12 13 11 4 8 9 9
Wind Gust (mph) 31 29 32 29
Precip Prob (%) 0 0 0 20 5 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type 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 0.01 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) 8.0 7.9 8.4 9.0 9.2 9.2 9.1 9.0 8.9 8.9 9.4 10.1 10.3 10.2 9.7 9.8 9.0
Snow Density (%) 50 50 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL FW SC FW FW FW FW FW FW FW FW FW CL FW FW FW
Cloud Cover (%) 10 5 5 35 20 10 15 15 20 10 5 5 10 5 5 10 5
Temperature 34 39 48 52 50 42 40 37 36 41 54 61 60 49 45 43 41
Max/Min Temp 53 35 62 41
Wind Dir SW SW SW W W NW W SW SW SW SW W W SW S S S
Wind (mph) 5 5 10 13 11 4 4 4 5 8 10 12 10 10 11 11 12
Wind Gust (mph) 33 28 28 31 28 28 32 34
Precip Prob (%) 0 0 5 5 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 0.02 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) 8.2 8.4 9.1 9.5 9.5 9.4 9.4 9.3 9.2 9.5 10.3 10.7 10.7 10.5 10.3 10.2 9.4
Snow Density (%) 33 33 50 100 100 100 100 100 100 0 0 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 10 5 15 45 30 15 15 15 20 15 5 10 15 5 10 5 5
Temperature 35 40 50 53 52 43 40 38 36 42 56 63 62 51 47 44 42
Max/Min Temp 54 36 64 42
Wind Dir SW SW W W NW NW W SW SW SW W W W SW SW S S
Wind (mph) 5 5 9 13 12 5 5 5 6 8 10 12 11 12 12 12 12
Wind Gust (mph)
Precip Prob (%) 0 0 5 10 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 0.03 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) 8.1 8.3 9.1 9.5 9.4 9.4 9.3 9.2 9.1 9.4 10.1 10.5 10.5 10.3 10.2 10.1 9.3
Snow Density (%) 33 33 50 100 100 50 100 100 100 0 0 0 0 0 0 0 0
...Lionhead Range...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW CL
Cloud Cover (%) 5 5 5 20 20 15 15 15 25 10 10 5 15 10 10 5 5
Temperature 32 40 52 56 55 44 41 36 34 41 56 62 61 47 44 40 38
Max/Min Temp 58 33 63 36
Wind Dir S SW SW SW W NW E SE S SW SW SW SW S S S S
Wind (mph) 3 4 11 12 9 2 1 1 1 4 10 10 9 5 4 4 4
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 0.01 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) 8.4 8.4 8.9 9.4 9.7 9.6 9.5 9.4 9.4 9.4 10.3 10.7 10.8 10.9 10.4 10.2 10.0
Snow Density (%) 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 15 10 15 45 20 20 15 15 20 5 10 10 10 5 5 10 10
Temperature 35 39 47 51 52 43 40 39 37 42 54 60 61 51 48 46 44
Max/Min Temp 52 37 62 44
Wind Dir W SW W W W NW W W SW SW SW W W W SW SW SW
Wind (mph) 5 5 9 13 11 5 5 6 9 10 11 12 11 10 13 14 16
Wind Gust (mph) 33
Precip Prob (%) 0 0 5 10 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 0.01 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) 8.0 8.1 8.7 9.1 9.5 9.5 9.4 9.2 8.9 9.1 9.8 10.4 10.5 10.1 10.2 9.9 8.6
Snow Density (%) 33 33 33 50 100 100 100 100 0 0 0 0 0 0 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 10 5 5 25 5 10 15 15 25 10 5 10 10 5 10 10 10
Temperature 35 40 51 56 54 44 41 39 36 43 57 65 63 51 47 44 42
Max/Min Temp 56 36 65 42
Wind Dir SW SW W W NW N NW SW S SW SW W W SW S S S
Wind (mph) 4 4 9 16 13 6 4 4 5 6 10 12 11 9 9 9 10
Wind Gust (mph) 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 0.01 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) 8.3 8.3 9.0 9.3 9.6 9.6 9.6 9.4 9.2 9.3 10.2 10.7 10.7 10.6 10.5 10.2 8.8
Snow Density (%) 50 50 100 100 0 100 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW CL
Cloud Cover (%) 10 5 5 25 10 10 15 15 25 5 5 5 15 5 5 5 5
Temperature 35 39 50 55 54 46 42 39 36 41 54 61 60 49 46 42 39
Max/Min Temp 56 36 62 39
Wind Dir SE S SW W W NW N N S S SW SW SW SW SE SE SE
Wind (mph) 4 4 9 12 12 6 5 3 3 5 9 11 10 5 4 5 5
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 0.02 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) 8.5 8.5 9.0 9.6 9.7 9.6 9.6 9.5 9.4 9.4 10.3 10.9 11.0 10.8 10.4 10.4 9.5
Snow Density (%) 50 50 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW SC SC FW FW FW FW FW CL FW FW FW FW FW FW CL
Cloud Cover (%) 20 20 30 45 10 15 10 5 10 0 5 10 5 10 10 5 5
Temperature 33 38 47 50 51 43 39 37 35 40 55 61 62 50 46 43 42
Max/Min Temp 52 35 62 42
Wind Dir W W W W NW NW W W SW SW W W W W SW SW SW
Wind (mph) 2 3 6 10 9 4 3 3 3 5 8 10 8 4 5 8 8
Wind Gust (mph)
Precip Prob (%) 5 10 10 5 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 0.02 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) 8.0 8.1 8.8 9.2 9.5 9.5 9.3 9.2 8.8 8.9 9.8 10.4 10.5 10.1 9.9 9.4 8.5
Snow Density (%) 33 33 50 100 100 0 0 0 0 0 0 0 0 0 0 0 0
...Pioneer Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC FW FW FW FW FW CL FW FW FW FW FW FW CL
Cloud Cover (%) 30 15 25 30 10 15 15 10 15 5 5 10 10 10 10 10 5
Temperature 32 37 46 51 51 42 38 36 34 40 55 61 62 50 46 43 41
Max/Min Temp 52 34 62 41
Wind Dir W W W W NW NW W SW SW SW W W W W SW SW SW
Wind (mph) 4 4 9 12 11 5 5 5 5 6 9 11 10 6 8 8 9
Wind Gust (mph)
Precip Prob (%) 0 5 5 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 0.01 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) 8.0 8.1 8.8 9.2 9.6 9.6 9.5 9.3 8.9 9.0 9.9 10.4 10.5 10.3 10.2 9.5 8.1
Snow Density (%) 33 25 33 50 100 100 0 0 0 0 0 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 15 5 5 15 5 15 15 10 20 10 5 10 10 10 10 5 5
Temperature 33 38 48 53 53 44 39 37 35 41 56 63 62 50 46 42 40
Max/Min Temp 54 35 63 40
Wind Dir SW SW W W NW NW W SW SW SW W W W SW SW SW SW
Wind (mph) 3 3 9 13 11 5 3 4 4 5 9 11 9 5 6 8 8
Wind Gust (mph) 31
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 0.01 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) 8.2 8.2 8.8 9.3 9.8 9.9 9.7 9.5 9.1 9.2 10.1 10.6 10.7 10.6 10.3 9.6 8.3
Snow Density (%) 33 33 50 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL CL SC BK FW FW FW FW FW FW FW FW FW FW CL FW
Cloud Cover (%) 10 5 0 40 55 15 10 10 25 10 10 10 15 10 5 5 10
Temperature 31 37 48 51 47 38 35 33 31 38 51 57 56 44 40 38 37
Max/Min Temp 51 31 58 36
Wind Dir SW SW SW W W W W SW SW SW SW W W SW SW SW SW
Wind (mph) 8 10 14 19 17 6 4 4 5 9 13 16 13 12 11 11 11
Wind Gust (mph) 26 29 32 36 23 27 31 29 32
Precip Prob (%) 0 0 0 5 5 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 0.03 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) 8.2 8.5 9.2 9.6 9.7 9.4 9.1 8.9 8.8 9.6 10.5 10.9 11.1 10.9 10.5 9.9 9.2
Snow Density (%) 25 25 50 50 50 50 50 50 50 100 100 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW CL SC SC FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 10 5 5 45 50 20 10 10 25 10 10 10 15 10 5 10 10
Temperature 37 42 51 53 51 43 40 39 37 43 55 61 60 50 47 47 46
Max/Min Temp 55 37 62 45
Wind Dir SW SW W W W W W SW SW SW W W W SW SW SW SW
Wind (mph) 12 12 12 17 16 11 10 11 13 12 13 13 12 16 18 20 23
Wind Gust (mph) 36 39 35 41 39 29 37 36 34 35 33 33 41 51 57
Precip Prob (%) 0 0 5 5 5 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 0.03 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) 8.3 8.5 9.2 9.7 9.7 9.4 9.2 9.1 9.1 9.6 10.4 10.7 10.8 10.5 10.2 10.0 9.4
Snow Density (%) 50 50 50 50 50 50 50 100 100 100 0 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW CL FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 10 5 5 35 35 15 15 15 20 10 10 10 15 10 5 5 5
Temperature 34 40 51 54 52 43 40 37 35 41 55 62 61 49 44 42 40
Max/Min Temp 55 34 63 39
Wind Dir SW SW SW W W NW W SW SW SW W W W SW SW S S
Wind (mph) 5 6 12 16 13 5 4 4 5 8 11 13 11 11 10 10 10
Wind Gust (mph) 35 34 35 42 39 28 23 29 33 36 36 34 34 37 44 51
Precip Prob (%) 0 0 0 0 5 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 0.02 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) 8.2 8.4 9.1 9.5 9.6 9.5 9.3 9.2 9.1 9.6 10.4 10.8 10.8 10.7 10.4 10.1 9.4
Snow Density (%) 50 50 100 100 100 100 100 100 100 100 0 0 0 0 0 0 0
...Crazy Mountains...
Date Tuesday 09/08/26 Wednesday 09/09/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 20 10 5 30 45 35 15 15 20 5 5 10 10 15 10 15 20
Temperature 39 43 50 54 53 45 43 41 39 45 56 62 62 53 51 49 49
Max/Min Temp 55 39 63 47
Wind Dir W W W W W W W W W W W W W W W W W
Wind (mph) 17 14 17 21 23 13 12 12 13 17 21 21 19 12 16 20 23
Wind Gust (mph) 39 34 37 41 46 32 33 42 47 44 43 34 49 56
Precip Prob (%) 0 0 0 20 5 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type 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 0.01 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) 8.1 8.0 8.6 9.0 9.1 9.1 9.1 8.9 8.9 8.9 9.4 10.0 10.2 10.1 9.7 9.8 9.2
Snow Density (%) 50 50 50 100 100 100 100 100 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