Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
748
FWUS45 KTFX 142201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Mon Sep 14 2026
...Glacier National Park/Marias Pass...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 OV OV OV OV OV OV OV OV OV OV OV OV BK SC FW FW
Cloud Cover (%) 70 85 85 75 75 85 95 95 100 100 95 80 80 60 30 15 5
Temperature 43 40 38 36 35 38 44 46 43 41 39 38 36 38 43 49 49
Min/Max Temp 35 46 36 50
Wind Dir W SW SW S S SE SE E E NE N N N N E S S
Wind (mph) 10 10 9 5 3 3 5 5 4 4 4 5 5 4 4 4 5
Wind Gust (mph)
Precip Prob (%) 40 40 20 5 5 5 10 20 40 60 50 40 10 10 0 0 0
Precip Type R R S R R R R R R
6 Hour QPF 0.05 0.02 0.00 0.01 0.02 0.02 0.00 0.00
12 Hour QPF 0.07 0.01 0.04 0.00
Low End QPF MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.4 8.3 8.1 7.9 7.9 7.8 8.0 8.5 8.6 8.5 8.2 8.0 7.8 7.6 8.0 8.5 8.8
Snow Density (%) 50 50 50 50 33 33 50 50 50 33 33 33 25 33 50 100 0
...Bob Marshall/Scapegoat Wilderness...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 BK BK SC BK OV OV OV OV BK BK SC BK SC SC FW
Cloud Cover (%) 65 60 55 50 40 65 80 75 90 90 65 60 50 50 35 30 15
Temperature 43 39 37 35 34 39 49 52 49 43 41 39 38 39 44 49 49
Min/Max Temp 34 52 38 50
Wind Dir W W W SW SW SE SE SE E NE N N NE NE E E SE
Wind (mph) 11 6 4 3 3 3 4 5 4 4 3 4 4 5 4 5 5
Wind Gust (mph) 29
Precip Prob (%) 5 5 0 0 0 0 0 0 20 0 0 10 10 10 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.3 8.2 8.1 7.9 7.7 7.7 8.2 9.0 9.2 9.2 9.0 8.9 8.6 8.5 8.8 9.3 9.7
Snow Density (%) 33 50 50 50 50 50 100 100 100 100 50 50 50 50 50 100 0
...Nevada Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC FW FW SC BK BK OV OV BK BK SC BK SC FW FW
Cloud Cover (%) 40 40 30 25 20 50 55 50 90 85 55 60 35 50 35 25 10
Temperature 46 40 38 37 36 40 51 56 53 46 43 41 40 40 45 51 51
Min/Max Temp 36 57 40 52
Wind Dir W W W SW S S SE NE NE N N N N NE NE NE NE
Wind (mph) 12 6 4 3 3 2 4 4 6 9 6 6 8 9 6 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.3 8.2 8.0 7.8 7.6 7.7 8.4 9.2 9.7 9.6 9.6 9.4 9.2 9.0 9.2 9.5 9.7
Snow Density (%) 50 100 100 100 100 100 0 0 0 0 0 100 100 100 100 0 0
...Elkhorn/Boulder Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 FW SC OV BK BK SC SC SC FW FW FW
Cloud Cover (%) 25 25 20 15 20 25 20 30 75 55 50 45 45 35 20 15 5
Temperature 46 39 36 35 34 39 51 56 55 46 43 39 38 40 49 54 54
Min/Max Temp 34 58 38 55
Wind Dir NW NW W S S S S S NE N N NW N N NE NE NE
Wind (mph) 13 5 3 4 4 4 6 6 6 9 9 8 8 8 6 6 6
Wind Gust (mph) 32 26 26 27 26
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.4 8.2 8.0 7.8 7.6 7.9 8.8 9.5 10.0 9.9 9.9 9.8 9.6 9.4 9.6 10.0 10.4
Snow Density (%) 50 50 50 50 50 100 100 0 0 0 0 0 100 100 100 0 0
...Big Belt Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC FW SC SC SC OV OV BK BK SC SC SC FW FW
Cloud Cover (%) 60 45 30 25 25 35 25 30 90 80 60 60 40 45 25 20 10
Temperature 47 42 39 38 37 41 52 58 56 48 44 42 40 42 49 54 54
Min/Max Temp 37 58 40 55
Wind Dir NW NW NW S S SE S S NE N N N N N N N NE
Wind (mph) 13 5 3 4 5 4 5 4 5 8 6 6 6 6 6 5 5
Wind Gust (mph) 32 23 28 26 25 24
Precip Prob (%) 5 0 0 0 0 0 0 0 0 0 0 0 5 5 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.4 8.3 8.1 7.9 7.8 7.9 8.5 9.3 9.8 9.8 9.8 9.7 9.5 9.3 9.4 9.7 9.9
Snow Density (%) 50 50 50 50 100 100 0 0 0 0 0 0 100 100 100 0 0
...Little Belt Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC SC SC SC SC OV OV OV BK SC SC FW FW FW
Cloud Cover (%) 65 65 50 40 45 30 30 30 80 90 80 60 50 40 25 20 10
Temperature 44 40 38 36 35 40 51 56 55 46 43 40 39 42 49 54 52
Min/Max Temp 35 57 39 54
Wind Dir NW NW W SW S S S S SE SE S W NW NW N NE E
Wind (mph) 17 9 4 3 4 5 8 9 8 6 4 2 3 5 6 8 8
Wind Gust (mph) 40 26 27 27 29 31
Precip Prob (%) 20 10 0 0 0 0 0 0 0 0 0 0 5 5 0 0 0
Precip Type R 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.2 8.2 8.0 7.9 7.8 7.9 8.5 9.4 9.8 9.8 9.8 9.7 9.5 9.3 9.3 10.0 10.3
Snow Density (%) 33 33 50 50 50 100 100 0 0 0 0 0 100 100 100 0 0
...Highwood Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 OV BK SC SC BK SC SC OV OV OV OV SC SC SC SC FW
Cloud Cover (%) 80 75 60 45 45 55 35 40 80 90 85 80 45 45 35 30 15
Temperature 47 44 42 40 40 43 52 57 56 50 46 43 41 42 47 51 51
Min/Max Temp 40 58 41 51
Wind Dir NW NW W W S SE SE E E E S W W W NW N NE
Wind (mph) 23 12 8 4 4 6 9 8 10 10 6 6 6 8 5 4 5
Wind Gust (mph)
Precip Prob (%) 20 10 0 0 0 0 0 5 0 0 0 0 5 5 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.1 8.1 7.8 7.7 7.8 7.8 8.2 9.1 9.8 9.7 9.7 9.6 9.3 8.8 8.8 9.2 9.5
Snow Density (%) 50 50 50 100 100 100 0 0 0 0 0 0 100 100 100 0 0
...Snowy/Judith Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 OV BK BK BK FW FW SC OV OV OV SC SC SC FW FW FW
Cloud Cover (%) 60 80 60 55 50 10 10 30 75 85 70 40 35 35 15 15 10
Temperature 48 44 41 39 38 42 52 57 57 49 45 42 41 43 51 55 55
Min/Max Temp 38 58 41 56
Wind Dir NW NW NW W SW SE SE SE SE E SE NW NW NW NW N NE
Wind (mph) 26 19 11 5 3 5 10 11 12 12 6 4 6 9 9 8 6
Wind Gust (mph) 51 44 33 36 37 35
Precip Prob (%) 10 10 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.0 8.1 7.8 7.6 7.6 7.7 8.3 8.9 9.4 9.6 9.7 9.7 9.6 9.4 9.3 9.7 10.0
Snow Density (%) 100 50 50 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 OV BK BK BK SC BK OV OV OV OV OV OV SC SC SC FW
Cloud Cover (%) 90 85 55 65 55 50 50 90 95 95 95 95 95 45 30 25 15
Temperature 48 44 42 39 38 43 52 56 54 47 44 42 40 44 51 55 53
Min/Max Temp 38 56 40 55
Wind Dir NW NW NW NW N E SE SE E E E NE NE N N NW NE
Wind (mph) 19 14 9 3 1 3 8 10 11 13 10 6 5 4 5 5 3
Wind Gust (mph) 37 32 26
Precip Prob (%) 60 5 0 0 0 0 5 5 5 20 30 5 5 5 0 0 0
Precip Type R R R
6 Hour QPF 0.05 0.00 0.00 0.00 0.00 0.02 0.00 0.00
12 Hour QPF 0.05 0.00 0.02 0.00
Low End QPF MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.1 7.9 7.1 6.6 6.5 6.4 7.1 7.7 9.2 9.4 9.4 9.3 9.0 8.3 8.4 8.6 8.8
Snow Density (%) 100 100 50 100 100 100 100 0 0 0 0 0 100 100 100 100 0
...Castle/Crazy Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC SC FW FW FW BK OV BK SC SC FW FW FW FW
Cloud Cover (%) 55 35 30 50 30 10 10 15 65 75 60 30 30 25 10 10 5
Temperature 45 40 37 35 34 39 50 58 56 46 43 40 39 43 54 59 56
Min/Max Temp 34 59 39 59
Wind Dir NW NW W SW S SE SE SE E E E NW W NW N NE E
Wind (mph) 21 10 4 4 4 5 8 9 11 11 6 4 4 4 4 6 11
Wind Gust (mph) 52 29 28 31
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.4 8.3 8.0 7.8 7.7 7.9 8.7 9.5 9.9 9.9 9.8 9.8 9.7 9.6 9.7 10.3 10.6
Snow Density (%) 50 50 50 50 50 100 100 0 0 0 0 0 0 100 0 0 0
...Bridger Range...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC FW FW CL FW BK OV BK SC SC FW FW FW FW
Cloud Cover (%) 35 10 15 30 25 10 5 20 70 75 55 35 35 25 10 10 10
Temperature 47 40 38 36 35 39 51 59 57 48 44 41 39 42 53 60 59
Min/Max Temp 34 59 39 60
Wind Dir NW NW NW S SE SE SE SE SE E E NE NW NW NW N E
Wind (mph) 14 5 2 3 4 5 5 5 8 9 5 3 2 3 4 4 6
Wind Gust (mph) 34 24
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.5 8.3 8.1 7.9 7.8 8.0 8.8 9.7 10.1 10.0 9.9 9.7 9.6 9.6 9.8 10.2 10.7
Snow Density (%) 50 50 50 50 100 100 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC SC SC FW FW FW FW FW
Cloud Cover (%) 30 15 20 25 15 10 5 25 30 35 40 30 20 15 10 15 20
Temperature 46 38 35 33 32 38 50 56 55 44 41 39 37 42 54 59 57
Min/Max Temp 32 57 37 59
Wind Dir NW NW SW S S S S SW SW S S S W N NW W NW
Wind (mph) 12 5 3 5 6 6 9 11 8 5 4 3 2 3 4 6 6
Wind Gust (mph) 28 26
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.9 8.6 8.3 8.0 7.9 8.3 9.1 9.6 9.9 9.8 9.6 9.4 9.4 9.7 10.4 11.0 11.3
Snow Density (%) 33 25 25 33 50 50 100 0 0 0 0 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC FW FW FW CL FW SC SC SC SC FW FW FW FW FW
Cloud Cover (%) 45 20 25 20 15 10 5 20 35 40 40 35 25 15 10 20 15
Temperature 46 39 36 34 33 38 52 59 56 45 42 39 38 42 54 59 56
Min/Max Temp 33 59 38 59
Wind Dir NW NW SW S S S S SW S S S SW SW NW N N NE
Wind (mph) 13 5 3 5 6 6 6 9 8 5 4 3 2 2 5 8 8
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.8 8.6 8.3 8.0 7.8 8.3 9.3 9.8 10.0 9.9 9.6 9.4 9.3 9.5 10.2 11.0 11.3
Snow Density (%) 33 25 25 33 50 50 100 0 0 0 0 0 0 0 0 0 0
...Lionhead Range...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 FW FW FW FW SC FW FW FW FW
Cloud Cover (%) 25 20 10 10 15 10 15 25 10 15 15 20 30 10 5 15 25
Temperature 51 42 38 34 31 38 55 61 58 46 42 39 36 44 63 67 64
Min/Max Temp 31 61 36 67
Wind Dir W NW E E SE SE SW SW SW S SE E E NE SW SW SW
Wind (mph) 9 3 2 2 2 2 8 10 4 2 2 2 2 2 2 5 2
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 9.1 8.8 8.5 8.3 8.2 8.2 8.9 9.6 10.2 10.2 10.1 10.1 10.2 10.6 11.3 11.4 11.5
Snow Density (%) 100 100 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC BK OV FW SC FW FW FW FW FW
Cloud Cover (%) 20 20 20 25 20 5 5 35 65 80 20 25 20 25 15 15 10
Temperature 45 39 36 35 34 39 49 56 55 46 43 40 38 41 50 55 54
Min/Max Temp 33 57 38 55
Wind Dir NW NW NW SW SW S S S E NE NE NW N NE NE NE NE
Wind (mph) 11 5 4 4 4 4 5 6 6 8 5 4 4 5 8 9 10
Wind Gust (mph) 24 26
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.7 8.5 8.2 8.0 7.7 8.0 9.0 9.7 10.1 10.0 9.8 9.7 9.6 9.6 9.9 10.5 10.9
Snow Density (%) 33 33 33 33 50 50 100 0 0 0 0 0 100 100 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC FW FW FW CL FW SC SC SC SC FW FW FW FW FW
Cloud Cover (%) 15 15 30 20 20 5 5 25 35 45 40 30 15 10 5 10 20
Temperature 50 40 37 34 33 39 53 60 58 47 43 39 38 42 57 63 60
Min/Max Temp 33 60 37 63
Wind Dir NW N NE S S S S S S S SE SE NE N N NW NE
Wind (mph) 13 6 4 5 6 8 11 12 10 9 5 3 3 4 6 8 10
Wind Gust (mph) 27
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.9 8.6 8.3 8.1 7.9 8.1 9.0 9.6 9.9 9.8 9.6 9.5 9.4 9.5 10.1 10.9 11.3
Snow Density (%) 50 50 50 50 50 100 100 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 FW FW SC FW FW FW FW FW SC
Cloud Cover (%) 20 15 15 20 20 5 10 20 15 15 30 25 15 10 5 15 25
Temperature 50 42 39 35 34 38 52 58 56 47 44 41 39 44 59 64 62
Min/Max Temp 33 58 39 64
Wind Dir W N NE E SE S S S SW S E NE N N S SW S
Wind (mph) 11 5 4 5 5 5 11 13 9 4 5 5 6 6 4 8 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 9.0 8.7 8.5 8.3 8.2 8.3 8.8 9.4 9.8 9.8 9.7 10.1 10.2 10.2 10.8 11.3 11.5
Snow Density (%) 100 50 50 50 50 50 100 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC FW FW FW FW BK OV OV SC SC FW FW FW FW FW
Cloud Cover (%) 20 35 30 10 15 5 20 55 85 80 35 35 15 10 5 10 5
Temperature 45 38 36 33 32 37 50 57 56 47 43 39 37 41 54 60 59
Min/Max Temp 32 58 37 61
Wind Dir NW NW SE SE SE SE S SW N N N N N NE NE E NE
Wind (mph) 9 4 3 4 4 4 5 6 5 9 6 5 4 4 4 5 8
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.5 8.3 8.0 7.8 7.6 7.7 8.7 9.3 9.7 9.7 9.6 9.5 9.3 9.2 9.7 10.4 10.8
Snow Density (%) 33 50 50 50 50 50 100 0 0 0 0 0 100 100 0 0 0
...Pioneer Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC FW FW FW CL FW SC OV BK FW FW FW FW FW FW FW
Cloud Cover (%) 15 30 25 20 15 5 15 50 70 70 25 20 15 15 10 15 10
Temperature 45 38 35 33 31 37 51 58 57 47 43 39 36 41 55 60 60
Min/Max Temp 31 59 36 61
Wind Dir NW NW S S S S S SW NW N N N N NE E E E
Wind (mph) 10 5 3 3 4 5 6 8 5 6 4 3 3 4 5 8 8
Wind Gust (mph) 25 24
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.7 8.4 8.0 7.8 7.6 7.9 9.0 9.6 9.8 9.8 9.7 9.7 9.5 9.3 9.9 10.6 11.0
Snow Density (%) 33 33 33 50 50 50 100 0 0 0 0 100 100 100 0 0 0
...Beaverhead/Tendoy Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC FW FW FW FW SC BK BK SC FW FW FW FW FW FW
Cloud Cover (%) 10 20 25 15 10 5 15 35 50 65 40 25 15 10 5 10 15
Temperature 48 40 36 33 32 39 52 58 57 47 43 38 37 42 56 62 61
Min/Max Temp 32 59 37 62
Wind Dir NW N NW S S S S SW SW SW W NW N N NE E E
Wind (mph) 10 5 4 5 8 8 9 10 8 8 5 4 4 5 6 8 9
Wind Gust (mph) 25 26
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.9 8.6 8.3 8.1 7.9 8.1 8.9 9.5 9.9 9.8 9.6 9.5 9.3 9.3 9.9 10.8 11.1
Snow Density (%) 50 50 50 50 50 50 100 0 0 0 0 0 0 0 0 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC FW FW FW FW SC FW FW FW FW SC FW FW SC SC
Cloud Cover (%) 45 20 25 25 20 10 10 35 25 20 10 15 25 10 10 30 40
Temperature 43 35 32 29 29 36 47 54 51 41 37 36 35 42 55 58 54
Min/Max Temp 29 55 35 59
Wind Dir W NW W SW S S SW SW SW SE S S S S SW W NW
Wind (mph) 17 5 3 4 5 5 9 12 9 5 5 4 4 3 8 9 6
Wind Gust (mph) 27
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 9.0 8.6 8.2 8.0 7.9 8.4 9.3 9.9 10.3 10.2 10.0 9.7 9.8 9.9 10.8 11.3 11.6
Snow Density (%) 20 16 16 20 25 25 50 100 0 0 0 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 FW FW SC FW FW FW SC FW FW SC SC
Cloud Cover (%) 30 15 20 25 20 10 10 20 25 20 20 20 30 15 15 25 30
Temperature 45 38 35 33 33 38 48 54 52 43 41 40 39 44 52 54 51
Min/Max Temp 32 55 39 55
Wind Dir W W W SW SW S S S SE S SW SW SW W N NE NE
Wind (mph) 19 9 5 6 8 6 9 11 9 6 6 6 5 4 8 10 10
Wind Gust (mph) 43 26 26 31 29 31 32
Precip Prob (%) 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.9 8.5 8.2 8.0 7.9 8.4 9.4 10.0 10.2 10.1 10.0 9.7 9.7 9.7 10.6 11.0 11.3
Snow Density (%) 25 20 25 25 33 33 50 100 100 100 0 100 100 100 0 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 FW SC SC FW SC FW FW FW FW FW SC
Cloud Cover (%) 35 20 20 20 20 10 10 30 30 25 25 25 25 10 10 25 30
Temperature 47 40 36 33 31 38 52 58 56 45 41 38 37 43 57 62 58
Min/Max Temp 31 59 37 62
Wind Dir W NW NW S S S S SW SW S S S S SE W W NW
Wind (mph) 13 5 3 4 5 5 8 11 8 4 4 3 3 2 5 8 6
Wind Gust (mph) 40 23 25 31 27 23 28 26
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.9 8.6 8.3 8.0 7.9 8.3 9.2 9.8 10.2 10.1 9.9 9.8 9.8 10.0 10.7 11.2 11.5
Snow Density (%) 50 33 25 33 33 50 100 0 0 0 0 0 0 0 0 0 0
...Crazy Mountains...
Date Tuesday 09/15/26 Wednesday 09/16/26
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 SC SC SC FW FW CL FW SC BK SC SC SC FW FW FW FW
Cloud Cover (%) 40 30 30 35 20 10 0 10 50 55 45 30 35 20 10 15 10
Temperature 44 39 37 35 34 39 47 54 53 45 42 40 39 44 52 57 54
Min/Max Temp 34 55 39 57
Wind Dir W NW W W SW SE S SE E E E W W NW NE E E
Wind (mph) 26 13 8 4 4 5 10 11 12 12 6 4 4 3 5 9 12
Wind Gust (mph) 54 32 29 32
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 MM MM MM MM
High End QPF MM MM MM MM
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 MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.4 8.3 8.0 7.8 7.6 8.0 8.9 9.5 9.8 9.8 9.7 9.7 9.6 9.6 10.0 10.5 10.7
Snow Density (%) 33 33 33 50 50 50 100 0 0 0 0 0 0 100 0 0 0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain