Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
673
FWUS45 KTFX 282201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Mon Sep 28 2026
...Glacier National Park/Marias Pass...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 OV OV BK BK BK OV OV OV OV OV OV OV BK SC
Cloud Cover (%) 5 15 35 70 70 60 55 65 75 75 70 75 85 75 70 55 40
Temperature 49 43 42 42 42 42 45 47 47 45 45 44 42 40 41 45 46
Min/Max Temp 40 50 40 48
Wind Dir SW SW SW SW SW SW SW SW SW SW SW W W NW NW NW W
Wind (mph) 18 24 25 32 31 27 26 24 23 25 23 19 13 10 9 9 8
Wind Gust (mph) 41 49 70 75 77 72 62 59 58 64 63 61 51 31
Precip Prob (%) 0 0 0 0 0 5 20 20 10 20 40 40 60 60 30 30 0
Precip Type R R R R R S S S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.01 0.03 0.01 0.01
12 Hour QPF 0.00 0.00 0.04 0.02
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.02 0.19 0.17
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) 7.1 6.9 7.1 7.9 8.0 8.9 9.2 9.6 9.6 9.5 9.2 8.7 8.0 7.4 7.2 7.7 7.6
Snow Density (%) 100 0 100 100 100 100 100 100 100 100 50 33 33 25 25 33 33
...Bob Marshall/Scapegoat Wilderness...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 SC BK BK BK BK BK BK BK BK OV BK BK SC SC
Cloud Cover (%) 5 5 5 30 65 65 65 55 55 65 55 65 70 65 55 35 25
Temperature 52 43 41 41 41 41 48 52 52 47 46 45 44 43 46 50 50
Min/Max Temp 39 54 42 52
Wind Dir W W W W W W W W W SW SW W W W W W W
Wind (mph) 12 12 19 21 21 18 18 18 17 19 19 18 17 13 12 10 8
Wind Gust (mph) 34 39 54 64 65 58 51 52 50 50 52 52 49 36
Precip Prob (%) 0 0 0 0 0 0 10 10 0 5 5 10 20 20 5 5 0
Precip Type R R 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 0.03 0.04
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 7.5 7.3 7.3 8.3 9.2 9.8 10.0 10.4 10.3 10.0 9.6 8.9 8.3 8.1 8.5 8.3
Snow Density (%) 0 0 0 0 0 100 100 100 100 100 100 50 50 50 33 100 100
...Nevada Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 SC SC SC OV OV BK BK BK BK SC FW FW
Cloud Cover (%) 5 5 5 20 25 45 50 45 70 75 50 60 65 55 40 20 20
Temperature 56 46 44 43 42 42 51 57 57 51 50 49 47 46 50 54 55
Min/Max Temp 41 59 46 57
Wind Dir W W W W W SW W W W W W W W W W W NW
Wind (mph) 10 9 17 17 18 14 14 16 13 14 14 14 14 12 14 12 9
Wind Gust (mph) 39 48 50 46 41 42 43 42 41 42 41 37
Precip Prob (%) 0 0 0 0 0 0 10 10 0 0 0 0 5 5 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) 8.5 8.2 7.8 7.3 7.8 9.0 10.5 10.6 10.8 10.7 10.4 10.1 9.5 8.8 8.5 8.9 8.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100 0 0
...Elkhorn/Boulder Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW SC BK SC SC SC FW FW FW FW
Cloud Cover (%) 5 5 5 10 15 10 10 20 45 60 45 30 45 25 15 20 15
Temperature 55 44 40 38 37 40 53 59 59 49 46 44 42 44 52 56 55
Min/Max Temp 36 61 41 57
Wind Dir NW NW W W W W W W W W W W W W W NW NW
Wind (mph) 8 6 13 10 10 9 9 11 10 10 10 10 9 8 10 10 9
Wind Gust (mph) 27 28 27 29 27 26
Precip Prob (%) 0 0 0 0 0 0 5 5 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) 9.7 9.1 8.5 8.0 7.4 7.4 9.3 10.3 10.8 10.8 10.6 10.4 10.1 9.4 9.3 9.9 9.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 0 0
...Big Belt Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW SC BK SC SC SC SC SC FW FW
Cloud Cover (%) 5 5 5 10 5 10 10 15 40 55 50 45 35 30 30 20 15
Temperature 59 49 45 43 42 44 53 60 61 53 50 48 47 48 53 57 56
Min/Max Temp 41 62 46 58
Wind Dir W W W SW SW SW SW W W W SW SW W W W NW NW
Wind (mph) 9 6 12 12 12 12 13 13 11 11 10 10 10 11 13 11 9
Wind Gust (mph) 34 44 47 46 42 42 34 37 40 40 37 35 32 28
Precip Prob (%) 0 0 0 0 0 0 10 10 0 0 0 0 0 0 5 5 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) 9.2 8.6 8.4 8.0 7.8 8.4 9.8 10.3 10.8 10.8 10.6 10.4 9.9 9.1 8.9 9.3 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 0 0
...Little Belt Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW SC SC FW SC SC SC SC SC
Cloud Cover (%) 10 5 5 10 10 5 10 15 20 35 30 25 35 25 35 40 25
Temperature 58 48 45 43 43 46 56 60 60 53 50 48 47 47 52 55 54
Min/Max Temp 42 62 45 57
Wind Dir W W SW SW SW SW W W W W W W W W W NW NW
Wind (mph) 9 8 14 12 14 16 18 18 16 16 14 16 16 17 16 12 9
Wind Gust (mph) 41 49 44 43 40 41 44 46 47 47 41 34 32
Precip Prob (%) 0 0 0 0 0 0 10 10 0 0 0 0 5 5 10 10 5
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 0.01
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) 9.6 8.8 8.2 7.9 7.8 8.4 9.8 10.4 10.8 10.8 10.7 10.4 9.9 9.1 9.0 9.3 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 0 0
...Highwood Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW SC SC SC FW SC SC SC SC SC
Cloud Cover (%) 5 5 5 10 20 10 20 10 35 40 35 25 50 35 50 40 25
Temperature 62 52 48 49 50 54 59 62 62 58 56 55 54 52 53 54 53
Min/Max Temp 48 64 51 57
Wind Dir W SW W SW W W W W W W W W W W NW NW N
Wind (mph) 9 10 19 19 25 24 27 26 24 25 27 28 27 23 18 12 9
Wind Gust (mph) 49 55 47 44 43 41 46 48 49 48
Precip Prob (%) 0 0 0 0 0 0 10 10 0 0 0 0 5 5 5 5 5
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) 9.0 8.5 7.8 7.5 7.6 9.5 10.3 10.6 10.7 10.7 10.5 10.1 9.5 8.8 8.3 8.6 8.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100
...Snowy/Judith Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW SC SC FW SC FW SC SC SC
Cloud Cover (%) 20 20 10 10 10 5 0 10 20 30 35 25 45 20 35 50 30
Temperature 61 51 47 45 44 51 63 67 65 56 53 51 50 52 58 58 54
Min/Max Temp 42 68 47 60
Wind Dir NW S SW W SW W W W W W W W W W NW NW N
Wind (mph) 4 4 14 9 11 10 13 14 11 9 10 11 12 13 17 13 10
Wind Gust (mph) 29 36 37 37 40 39 37 42 44 42 36 35 32
Precip Prob (%) 0 0 0 0 0 0 5 5 0 0 0 0 0 0 5 5 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) 9.9 9.8 9.1 8.3 7.9 8.1 9.0 9.9 10.6 10.7 10.7 10.5 10.1 9.4 9.1 9.3 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW SC FW SC BK SC BK BK SC SC SC FW
Cloud Cover (%) 5 5 5 10 30 20 30 15 30 55 40 65 60 45 40 35 25
Temperature 60 48 47 45 44 49 60 63 62 54 52 50 48 48 53 55 52
Min/Max Temp 42 65 45 56
Wind Dir W SW SW SW W W W W W W W W W NW NW NW N
Wind (mph) 5 3 12 9 13 14 20 19 18 16 16 14 14 12 12 11 8
Wind Gust (mph) 26 37 39 42 41 36 34 33 32
Precip Prob (%) 0 0 0 0 0 5 10 10 5 0 0 0 10 10 5 5 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) 7.3 7.7 7.6 7.1 7.4 8.8 10.1 10.4 10.2 10.1 9.8 9.5 8.8 8.1 7.2 7.5 7.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 50 50 50
...Castle/Crazy Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW SC SC FW SC FW FW FW FW
Cloud Cover (%) 10 5 5 10 10 5 0 15 20 30 30 15 30 20 20 15 15
Temperature 57 48 44 41 39 43 55 60 60 52 48 46 44 46 54 57 56
Min/Max Temp 38 61 43 58
Wind Dir W NW W SW SW SW SW W W W W W W W W W NW
Wind (mph) 10 6 14 10 12 12 17 17 12 9 10 10 10 11 17 16 11
Wind Gust (mph) 32 44 44 47 46 34 27 29 32 31 32 36 34
Precip Prob (%) 0 0 0 0 0 0 5 5 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) 9.9 9.3 8.8 8.6 8.1 8.2 8.9 10.0 10.8 10.8 10.8 10.4 10.1 9.7 9.3 9.7 9.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 0 0
...Bridger Range...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW SC SC FW SC FW FW FW FW
Cloud Cover (%) 10 10 5 10 10 5 0 5 10 40 35 15 35 20 15 15 15
Temperature 57 47 44 40 38 43 55 60 61 51 48 45 43 46 54 58 58
Min/Max Temp 38 62 42 59
Wind Dir NW NW W SW SW SW W W W W SW SW W W W W NW
Wind (mph) 6 3 9 5 6 5 9 10 6 4 4 5 5 4 10 9 6
Wind Gust (mph) 26 29
Precip Prob (%) 0 0 0 0 0 0 5 5 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) 9.9 9.8 9.4 9.1 8.3 8.2 8.7 10.0 10.8 10.8 10.8 10.5 10.2 10.0 9.5 10.1 10.1
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 09/29/26 Wednesday 09/30/26
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 SC FW FW FW FW FW CL FW FW SC FW FW SC FW FW FW FW
Cloud Cover (%) 45 25 10 15 15 20 5 10 10 35 25 15 25 5 10 10 10
Temperature 50 43 39 37 35 38 50 56 55 46 43 40 38 41 52 56 54
Min/Max Temp 34 57 37 56
Wind Dir NW N SW SW SW SW SW W W SW SW SW SW SW W W NW
Wind (mph) 5 3 12 5 5 6 6 8 5 5 5 4 4 4 5 8 6
Wind Gust (mph) 23 26 29 25 25
Precip Prob (%) 10 0 0 0 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 0.01 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) 10.5 10.3 10.0 9.8 9.0 8.7 9.3 10.2 10.8 10.8 10.9 10.8 10.6 10.4 10.5 11.0 11.0
Snow Density (%) 100 100 100 100 100 100 0 0 0 0 0 0 0 100 100 0 0
...Gallatin Range/Hyalite Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 SC FW FW FW FW FW CL FW FW SC SC FW SC FW FW FW FW
Cloud Cover (%) 35 20 10 10 10 10 5 10 10 35 30 15 40 15 10 20 15
Temperature 52 44 40 38 36 39 53 59 57 48 44 41 39 42 53 57 55
Min/Max Temp 35 60 39 57
Wind Dir NW NW SW SW SW SW W W W SW SW SW SW SW NW NW NW
Wind (mph) 5 3 12 6 6 8 5 8 5 8 6 5 5 4 5 9 6
Wind Gust (mph)
Precip Prob (%) 5 5 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) 10.4 10.1 9.9 9.7 8.9 8.6 9.3 10.2 10.8 10.8 10.8 10.8 10.6 10.3 10.4 10.9 11.0
Snow Density (%) 100 100 100 100 100 100 0 0 0 0 0 0 0 100 100 0 0
...Lionhead Range...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 BK BK FW FW FW FW FW FW FW FW FW FW FW FW CL CL CL
Cloud Cover (%) 70 60 15 15 20 25 10 10 15 15 10 15 25 5 5 5 5
Temperature 53 44 39 36 33 36 51 57 57 45 41 37 35 38 55 61 59
Min/Max Temp 31 59 33 61
Wind Dir SW SE NE NE E SE SW SW SW S S S S SW W W W
Wind (mph) 2 1 6 1 1 1 3 5 4 2 0 0 0 1 3 4 3
Wind Gust (mph)
Precip Prob (%) 30 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.04 0.00 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 0.05 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) 11.0 10.6 10.4 10.1 9.5 9.3 9.5 10.5 10.9 10.9 10.8 10.9 10.9 10.7 10.6 11.3 11.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW BK SC FW FW FW FW FW FW
Cloud Cover (%) 15 15 5 10 10 10 5 5 25 50 35 20 20 5 10 20 15
Temperature 53 45 41 38 36 40 51 56 56 48 45 42 40 42 51 55 55
Min/Max Temp 36 58 39 56
Wind Dir NW N W W W SW W W W W SW SW W SW W W NW
Wind (mph) 5 4 13 10 10 10 10 10 8 9 9 9 8 6 8 8 6
Wind Gust (mph) 27
Precip Prob (%) 5 0 0 0 0 0 5 5 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) 10.3 10.1 9.7 9.2 8.3 8.1 9.0 10.2 10.9 11.0 10.9 10.7 10.4 10.1 10.2 10.6 10.7
Snow Density (%) 100 100 100 100 100 0 0 0 0 0 0 0 100 100 100 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 SC FW FW FW FW FW CL FW FW SC FW FW FW CL CL CL FW
Cloud Cover (%) 35 25 10 15 15 10 5 5 10 30 20 15 15 5 5 5 5
Temperature 54 45 41 37 35 39 52 58 58 48 44 41 38 42 54 59 57
Min/Max Temp 35 60 38 59
Wind Dir NW N NW SW SW SW W W W W SW SW W W W NW NW
Wind (mph) 8 5 13 5 5 6 6 9 6 6 5 4 4 5 6 10 9
Wind Gust (mph)
Precip Prob (%) 5 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 10.3 10.0 9.6 8.8 8.5 9.1 10.2 10.9 10.9 11.0 10.9 10.7 10.4 10.4 10.9 11.0
Snow Density (%) 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 OV SC FW FW FW FW CL CL FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 75 40 10 15 20 20 5 5 15 15 15 15 10 5 0 0 10
Temperature 52 45 41 38 35 38 50 56 56 46 43 40 37 40 53 58 57
Min/Max Temp 35 57 37 59
Wind Dir W N N NW NW W W W W SW NW NW NW N W W NW
Wind (mph) 5 4 11 3 3 4 5 8 5 3 2 2 2 3 5 9 8
Wind Gust (mph)
Precip Prob (%) 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.01 0.00 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 0.01 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) 10.9 10.4 10.2 10.0 9.4 9.0 9.4 10.3 10.8 10.8 11.0 11.0 10.9 10.7 10.6 11.2 11.2
Snow Density (%) 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW SC SC SC SC SC FW FW FW FW
Cloud Cover (%) 5 10 10 10 15 15 10 10 35 45 30 30 50 15 10 15 10
Temperature 53 42 37 35 33 36 50 56 56 45 42 40 39 40 50 55 54
Min/Max Temp 33 58 38 56
Wind Dir NW NW NW W W W W W W W W W W W W W NW
Wind (mph) 8 5 9 4 4 5 8 9 8 6 6 5 5 5 6 8 8
Wind Gust (mph) 28 25
Precip Prob (%) 0 0 0 0 0 0 5 5 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) 9.9 9.2 8.5 8.0 7.5 7.5 9.1 10.3 10.8 10.8 10.5 10.5 10.3 9.8 9.6 10.2 10.0
Snow Density (%) 0 0 100 100 100 100 0 0 0 0 0 100 100 100 100 0 0
...Pioneer Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW SC SC SC SC SC FW FW FW FW
Cloud Cover (%) 10 10 10 10 10 5 5 5 30 45 35 30 45 10 10 10 10
Temperature 53 42 37 34 32 36 51 56 56 45 42 39 37 39 50 55 55
Min/Max Temp 32 58 36 57
Wind Dir NW NW W W W W W W W W W W W W W W NW
Wind (mph) 9 6 11 6 6 8 8 10 9 8 8 8 8 8 8 10 8
Wind Gust (mph) 24 24 26 26 29 25 25
Precip Prob (%) 0 0 0 0 0 0 5 5 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) 10.1 9.6 9.0 8.4 7.8 7.6 9.2 10.3 10.9 10.9 10.7 10.6 10.4 10.0 9.9 10.5 10.4
Snow Density (%) 0 100 100 100 100 100 0 0 0 0 0 100 100 100 100 0 0
...Beaverhead/Tendoy Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL CL FW SC FW FW FW FW CL CL FW
Cloud Cover (%) 20 15 10 10 10 10 5 5 20 35 25 20 20 5 5 5 5
Temperature 53 43 37 34 32 37 50 56 56 45 41 38 36 40 51 56 56
Min/Max Temp 32 58 36 57
Wind Dir NW N NW W W W W W W W W W W W W NW NW
Wind (mph) 9 6 12 5 5 6 6 9 6 5 5 5 5 5 6 10 9
Wind Gust (mph)
Precip Prob (%) 5 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) 10.3 9.9 9.5 9.0 8.4 8.2 9.2 10.3 10.9 10.9 10.9 10.8 10.6 10.3 10.3 10.8 10.8
Snow Density (%) 0 100 100 100 100 0 0 0 0 0 0 0 0 100 100 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 OV BK FW FW SC SC FW FW FW FW FW FW SC CL FW FW FW
Cloud Cover (%) 85 70 25 25 25 30 10 10 10 10 25 10 25 5 10 20 25
Temperature 45 38 35 33 33 35 47 54 52 42 38 36 34 38 51 55 51
Min/Max Temp 31 55 33 55
Wind Dir N NW W W SW SW SW W W SW S S SW SW W W NW
Wind (mph) 4 2 12 4 5 5 6 9 5 4 3 3 3 3 6 10 8
Wind Gust (mph) 23 23
Precip Prob (%) 40 5 0 0 0 0 5 5 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.05 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.07 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) 10.9 10.5 10.2 9.9 9.5 9.3 9.9 10.6 10.9 10.8 10.8 10.7 10.6 10.5 10.9 11.4 11.4
Snow Density (%) 50 50 50 50 50 50 100 0 0 0 100 100 100 100 100 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 OV BK FW FW FW FW CL FW FW FW FW FW SC FW FW FW FW
Cloud Cover (%) 80 60 20 15 15 10 5 5 10 20 20 15 30 10 10 20 25
Temperature 48 42 40 38 37 41 53 58 56 47 45 43 41 44 53 56 52
Min/Max Temp 36 59 40 56
Wind Dir W W W SW SW SW W W W SW SW SW SW SW NW NW N
Wind (mph) 5 6 17 11 13 13 8 9 6 10 9 9 8 6 8 11 9
Wind Gust (mph) 33 36 41 31 33 25 24 27
Precip Prob (%) 40 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.02 0.00 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 0.06 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) 10.8 10.4 10.1 9.7 9.1 8.9 9.7 10.6 11.0 10.9 10.8 10.8 10.7 10.5 10.7 11.1 11.0
Snow Density (%) 50 50 50 50 100 100 100 0 0 0 100 100 100 100 100 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 BK SC FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW
Cloud Cover (%) 65 50 15 15 20 25 15 10 10 20 20 15 25 5 10 15 15
Temperature 50 43 39 37 35 38 51 58 57 46 42 39 37 40 54 58 56
Min/Max Temp 34 59 36 59
Wind Dir NW NW SW SW SW SW SW W W SW SW SW SW SW W W NW
Wind (mph) 4 3 11 4 5 5 5 8 5 5 5 4 3 3 5 9 6
Wind Gust (mph) 23 32 34 41 47 46 44 41 40 35 28 25 20
Precip Prob (%) 30 5 0 0 0 0 5 5 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.02 0.00 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 0.08 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) 10.8 10.4 10.2 9.9 9.4 9.0 9.6 10.4 10.9 10.8 10.8 10.8 10.7 10.4 10.6 11.2 11.2
Snow Density (%) 100 100 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Crazy Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW SC SC FW SC FW FW FW FW
Cloud Cover (%) 25 15 5 10 10 5 0 10 20 35 30 20 30 15 15 15 15
Temperature 55 46 43 41 40 43 54 59 58 50 48 46 44 45 53 56 55
Min/Max Temp 39 60 43 57
Wind Dir W NW W W W W W W W W W W W W W W NW
Wind (mph) 9 8 19 12 14 16 17 17 11 11 13 14 14 13 14 14 10
Wind Gust (mph) 34 46 49 48 46 34 28 31 33 32 32 36 34
Precip Prob (%) 0 0 0 0 0 0 5 5 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) 10.2 9.8 9.3 9.0 8.3 8.3 9.1 9.9 10.9 10.9 10.9 10.6 10.2 10.1 9.7 10.1 10.0
Snow Density (%) 0 0 100 100 0 0 0 0 0 0 0 0 100 100 100 0 0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain