Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
987
FWUS45 KTFX 261001
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Sat Sep 26 2026
...Glacier National Park/Marias Pass...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK SC FW FW SC BK OV OV BK BK OV BK SC FW FW
Cloud Cover (%) 75 70 50 35 20 20 30 65 90 70 65 65 85 55 45 20 10
Temperature 31 30 35 39 39 36 34 32 32 34 44 48 47 39 37 35 34
Max/Min Temp 40 30 49 34
Wind Dir SW SW SW W W W W SW S S S S S SW SW SW SW
Wind (mph) 28 26 25 23 18 14 9 5 3 4 5 8 5 6 8 9 10
Wind Gust (mph) 70 57 50 43 35
Precip Prob (%) 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type S S
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 0.03 0.00 0.00 0.00
6 Hour Snow 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.1 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.4 0.0 0.0 0.0
Snow Level (kft) 5.7 5.1 5.4 5.9 6.1 5.7 5.5 5.3 5.0 5.7 6.5 6.8 6.8 6.4 6.0 5.7 5.0
Snow Density (%) 12 11 12 14 16 16 20 25 20 25 33 50 50 100 100 50 50
...Bob Marshall/Scapegoat Wilderness...
Date Saturday 09/26/26 Sunday 09/27/26
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 FW FW FW OV OV OV BK OV OV OV OV OV BK SC
Cloud Cover (%) 45 45 35 20 5 20 70 70 80 65 70 75 75 85 80 60 35
Temperature 33 33 39 43 42 36 33 32 32 35 46 51 50 43 41 39 37
Max/Min Temp 44 30 52 37
Wind Dir W W W W W W W W E SE SE S S SW SW SW W
Wind (mph) 21 18 17 16 12 8 5 3 3 4 5 5 4 3 4 5 5
Wind Gust (mph) 55 47 40 37 33 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 0.00 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) 5.6 5.2 5.5 5.9 5.9 5.5 5.2 4.8 4.6 6.0 7.2 7.8 7.8 7.7 7.6 7.5 7.2
Snow Density (%) 12 11 14 20 20 20 25 33 33 33 50 100 100 100 100 100 100
...Nevada Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK SC FW SC BK BK OV BK OV OV OV OV OV OV SC
Cloud Cover (%) 50 60 55 35 15 35 50 70 80 65 70 75 80 90 85 75 45
Temperature 37 37 42 47 47 40 37 37 36 38 48 54 54 48 46 43 41
Max/Min Temp 48 34 55 41
Wind Dir SW W W W W W W NE NE E SE SE NE SW SW SW SW
Wind (mph) 18 16 14 14 11 5 3 2 2 3 4 4 3 3 4 4 4
Wind Gust (mph) 46 41 32
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 5 5 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 0.01
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) 5.9 5.7 6.1 6.4 6.4 5.8 5.3 5.1 5.0 6.3 7.9 8.5 8.6 8.6 8.6 8.6 8.5
Snow Density (%) 20 16 20 33 50 50 50 50 50 50 100 0 0 0 0 100 100
...Elkhorn/Boulder Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK BK SC BK BK OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 35 55 65 60 50 50 65 85 85 75 90 90 95 95 90 80 65
Temperature 35 38 46 50 49 41 37 36 35 38 48 53 52 46 44 42 40
Max/Min Temp 51 33 54 40
Wind Dir W W W W W NW N E SE SE SE S SE W W SW W
Wind (mph) 11 10 10 11 9 6 4 3 2 3 5 5 4 4 4 3 3
Wind Gust (mph) 31 24
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 40 40 20 20 0
Precip Type R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00
12 Hour QPF 0.00 0.00 0.00 0.02
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.13
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) 6.3 6.1 6.9 7.6 7.7 7.0 6.5 6.3 6.1 7.4 8.8 9.4 9.5 9.4 9.3 9.2 9.1
Snow Density (%) 25 25 25 50 100 100 100 100 100 100 100 0 0 0 100 100 100
...Big Belt Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC SC SC SC SC BK OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 15 45 50 45 30 35 50 75 85 75 80 85 100 95 90 80 60
Temperature 39 41 47 52 51 44 41 39 38 40 50 55 55 50 47 45 43
Max/Min Temp 53 37 56 43
Wind Dir W W W W W NW N E E SE SE S E SE S S S
Wind (mph) 12 10 12 12 11 5 4 3 3 3 4 3 2 3 4 4 4
Wind Gust (mph) 44 42 36 34 25 24
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 10 10 10 10 0
Precip Type 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 0.00 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) 6.4 6.1 6.5 7.1 7.1 6.5 6.0 6.0 6.0 7.1 8.4 9.0 9.0 9.0 9.1 9.0 9.0
Snow Density (%) 33 25 33 50 100 100 100 100 100 100 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC SC SC SC SC SC BK OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 10 25 40 50 45 35 50 65 85 75 70 80 90 90 95 85 65
Temperature 39 40 47 51 50 43 39 37 36 39 50 55 54 47 45 44 42
Max/Min Temp 52 35 56 42
Wind Dir SW W W W W W W SE SE SE S S S S S SW SW
Wind (mph) 13 13 14 14 12 6 2 2 4 8 8 8 5 6 5 4 3
Wind Gust (mph) 39 34 33 32 26 28 25 25 24
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 10 10 20 20 0
Precip Type 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 0.00 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) 6.4 6.0 6.6 7.1 7.2 6.3 5.8 5.7 6.2 7.3 8.5 9.0 9.1 9.0 9.0 9.1 9.0
Snow Density (%) 33 25 33 50 100 100 50 50 50 100 100 0 0 0 0 0 0
...Highwood Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC FW SC BK OV OV BK BK OV OV OV OV BK
Cloud Cover (%) 5 20 35 40 25 20 25 60 85 75 70 65 95 95 95 85 55
Temperature 43 43 48 53 52 45 41 39 39 42 51 57 56 50 49 48 46
Max/Min Temp 54 38 57 46
Wind Dir W W W W W W W W SE SE E E E SE SW SW SW
Wind (mph) 27 25 26 24 20 9 4 3 4 6 6 5 4 5 6 6 5
Wind Gust (mph) 47 42
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 5 5 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) 6.1 5.7 5.9 6.2 6.2 5.9 5.6 5.5 6.1 7.0 7.8 8.3 8.5 8.5 8.6 8.8 8.6
Snow Density (%) 50 33 50 100 100 100 50 50 100 100 100 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC SC BK SC OV OV OV BK OV OV OV OV OV
Cloud Cover (%) 10 5 30 30 45 50 50 45 90 80 75 70 95 95 90 90 80
Temperature 44 46 54 58 57 48 44 40 38 42 51 55 54 48 48 46 43
Max/Min Temp 60 37 56 42
Wind Dir W W W W NW NW NW W SE SE SE SE SE S S SW SW
Wind (mph) 17 12 12 12 10 8 5 2 3 6 10 9 8 8 6 5 4
Wind Gust (mph) 50 37 34 31 32 28
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 20 20 10 10 5
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 0.00 0.05
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 6.4 6.9 7.5 7.5 6.6 6.1 6.2 7.0 7.5 8.8 9.2 9.2 9.3 9.3 9.4 9.5
Snow Density (%) 0 100 100 0 0 0 100 100 100 100 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC FW FW FW FW BK OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 10 5 30 25 20 10 15 50 85 70 75 70 100 95 90 85 65
Temperature 42 44 50 54 52 45 41 38 36 41 52 56 54 47 46 44 41
Max/Min Temp 54 35 57 41
Wind Dir W W W W W W W NW E SE SE SE SE SE SE S SW
Wind (mph) 23 21 19 17 16 12 5 2 1 4 9 9 8 8 5 2 2
Wind Gust (mph) 42 39
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) 6.3 5.8 5.7 5.8 5.9 5.9 5.9 5.9 6.0 6.2 6.9 7.8 7.9 8.0 8.0 8.1 8.2
Snow Density (%) 100 50 50 100 100 100 50 50 100 100 100 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK OV OV OV OV BK OV OV OV OV OV OV
Cloud Cover (%) 10 10 15 45 65 60 75 70 95 75 60 85 90 90 85 80 75
Temperature 39 40 48 53 52 45 42 39 38 40 48 54 53 47 44 42 41
Max/Min Temp 54 37 55 40
Wind Dir W W W W W NW NE E E E SE SE SE E E W W
Wind (mph) 11 9 13 16 12 5 4 5 6 6 8 6 5 5 4 4 4
Wind Gust (mph) 31 27 33 36 29
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 20 20 20 20 5
Precip Type 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 0.00 0.08
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 6.7 7.3 7.8 7.9 7.5 7.0 7.0 7.0 7.8 9.0 9.6 9.7 9.5 9.6 9.6 9.5
Snow Density (%) 33 33 50 100 100 0 100 100 100 100 0 0 0 0 0 0 0
...Bridger Range...
Date Saturday 09/26/26 Sunday 09/27/26
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 OV OV OV OV OV BK OV OV OV OV OV OV
Cloud Cover (%) 5 10 25 40 50 75 80 80 95 85 60 85 90 90 80 75 80
Temperature 39 41 49 54 54 46 42 40 40 41 49 55 54 48 45 43 41
Max/Min Temp 55 38 56 41
Wind Dir W W W W W N NE E SE SE SE SE E E E S S
Wind (mph) 5 4 9 10 8 4 5 4 8 6 4 4 3 5 3 2 2
Wind Gust (mph) 27
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 20 20 10 10 5
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 0.00 0.06
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) 7.7 7.1 7.6 8.0 8.2 7.9 7.6 7.7 7.6 8.7 9.5 9.8 9.9 9.9 9.8 9.9 9.8
Snow Density (%) 50 33 50 100 0 0 0 100 100 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC SC SC OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 20 30 40 45 75 80 70 85 95 90 85 90 95 80 80 85 85
Temperature 36 38 47 50 49 44 41 39 39 40 48 53 52 45 42 40 39
Max/Min Temp 52 37 54 38
Wind Dir SW S SW SW SW SW S S S S SW W W N N N SE
Wind (mph) 5 8 12 13 10 5 4 3 4 4 6 8 5 4 3 2 2
Wind Gust (mph) 32 35 28 25
Precip Prob (%) 0 0 0 0 5 0 0 0 10 0 0 0 5 5 20 20 30
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 0.03 0.05
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) 9.1 8.7 9.1 9.4 9.5 9.2 9.0 9.2 9.8 10.1 10.9 11.1 11.0 10.8 10.7 10.5 10.5
Snow Density (%) 50 33 50 100 100 100 100 100 100 100 100 0 0 0 0 100 100
...Gallatin Range/Hyalite Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC SC SC OV OV OV BK OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 20 25 40 45 80 80 75 70 95 90 80 90 95 80 75 75 85
Temperature 37 39 49 53 52 46 42 39 39 40 50 54 52 45 42 40 39
Max/Min Temp 54 37 55 38
Wind Dir SW SW SW W W SW SE SE SE S SW NW NE NE NW W S
Wind (mph) 4 6 10 12 8 5 3 2 3 4 6 6 4 3 2 2 2
Wind Gust (mph) 28 32 25
Precip Prob (%) 0 0 0 0 5 5 0 0 5 0 0 10 5 5 20 20 30
Precip Type 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 0.02 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) 9.0 8.6 9.2 9.5 9.5 9.2 8.9 8.9 9.6 10.0 10.8 11.1 11.2 10.9 10.7 10.4 10.4
Snow Density (%) 50 50 50 100 100 100 100 100 100 100 0 0 0 0 0 0 100
...Lionhead Range...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK OV BK OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 10 15 20 45 70 70 60 95 100 85 85 90 100 85 85 90 90
Temperature 38 39 49 52 52 45 42 41 40 42 54 58 57 47 45 41 39
Max/Min Temp 54 37 60 38
Wind Dir S SW SW SW SW SW S SE SE E SW SW SW S NE N E
Wind (mph) 10 12 14 14 11 6 3 2 2 2 4 9 4 3 2 2 1
Wind Gust (mph) 33 21
Precip Prob (%) 0 0 0 0 5 0 0 5 20 0 0 0 0 0 30 30 40
Precip Type 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 0.06 0.11
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 9.4 9.2 9.7 9.8 9.5 9.9 10.4 10.8 10.8 11.1 11.0 11.0 11.0 11.0 10.8 10.8
Snow Density (%) 0 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 20 55 60 65 65 75 85 90 95 90 90 95 95 90 85 85 80
Temperature 36 38 45 49 49 43 40 38 38 39 46 51 50 45 43 41 39
Max/Min Temp 51 36 52 39
Wind Dir SW SW SW SW W E E E S S SW W N N N E W
Wind (mph) 9 9 11 13 10 4 6 4 2 2 5 6 5 5 4 3 2
Wind Gust (mph) 31
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 5 30 30 10 10 10
Precip Type R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
12 Hour QPF 0.00 0.00 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.12
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) 7.5 7.2 7.6 8.1 8.4 8.1 7.8 7.7 7.9 9.0 9.8 10.2 10.2 10.1 10.0 10.0 9.9
Snow Density (%) 33 25 33 50 100 100 100 100 100 100 100 100 100 100 100 100 100
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 20 45 60 60 80 85 85 90 100 90 85 90 100 90 90 90 85
Temperature 36 39 49 53 52 45 42 41 41 42 51 56 54 47 44 42 40
Max/Min Temp 54 39 57 40
Wind Dir SW SW SW SW SW SE SE SE SE S SW W NW N N NE W
Wind (mph) 4 6 10 14 11 5 4 3 3 4 6 9 6 6 5 3 2
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 0 0 0 5 0 0 0 5 5 20 20 20
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 0.00 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) 8.4 8.1 8.7 9.2 9.3 9.1 8.9 9.0 9.3 9.8 10.6 10.9 10.8 10.6 10.4 10.4 10.4
Snow Density (%) 50 50 50 100 0 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 SC SC BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 15 30 40 50 80 85 85 95 100 90 80 90 100 80 85 90 90
Temperature 38 39 47 51 50 46 43 43 43 44 52 56 55 48 45 43 41
Max/Min Temp 52 40 57 41
Wind Dir S S S SW SW S S SE E E S S SW N N N N
Wind (mph) 5 9 13 17 13 8 5 5 5 4 6 10 6 5 8 5 4
Wind Gust (mph) 34
Precip Prob (%) 0 0 0 0 5 0 0 5 10 0 0 0 10 10 30 30 30
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 0.00 0.10
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 9.0 9.0 9.4 9.5 9.3 9.6 9.9 10.4 10.5 11.0 11.0 10.8 10.8 10.9 10.7 10.6
Snow Density (%) 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK BK BK BK OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 45 60 65 65 60 65 75 85 85 80 90 95 100 95 90 75 55
Temperature 33 34 43 48 47 39 37 36 35 37 47 52 51 45 43 41 39
Max/Min Temp 49 33 53 39
Wind Dir W SW SW W W N NE E E SE S SW W SW E NE NW
Wind (mph) 5 4 8 9 6 4 4 4 3 3 5 5 4 4 3 2 1
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 40 40 10 10 0
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.00
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.15
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) 6.4 6.3 7.1 7.8 8.0 7.7 7.3 6.9 6.8 8.0 9.3 9.8 9.8 9.7 9.6 9.5 9.4
Snow Density (%) 14 14 25 50 50 100 100 100 100 100 100 0 100 100 100 100 100
...Pioneer Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK OV OV BK OV OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 40 65 75 75 60 80 85 90 90 80 90 95 100 95 85 75 55
Temperature 31 34 44 48 48 40 37 36 35 38 48 52 51 44 42 39 37
Max/Min Temp 49 34 53 37
Wind Dir W SW SW W W NW SE SE SE S SW SW W NW N NW NW
Wind (mph) 6 5 9 11 8 4 3 3 3 4 6 6 5 4 3 3 2
Wind Gust (mph) 20
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 0 50 50 10 10 0
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.00
12 Hour QPF 0.00 0.00 0.00 0.05
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 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) 6.7 6.6 7.2 7.9 8.1 7.9 7.6 7.3 7.5 8.7 9.7 10.1 10.2 10.0 9.9 9.8 9.6
Snow Density (%) 14 16 25 50 50 100 100 100 100 100 100 100 100 100 100 100 100
...Beaverhead/Tendoy Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 35 55 65 75 70 85 85 85 95 85 90 95 100 90 85 80 65
Temperature 33 36 45 50 49 41 38 38 38 40 49 53 51 44 41 39 38
Max/Min Temp 51 36 54 38
Wind Dir SW SW SW SW SW W S S S S SW W NW N N N N
Wind (mph) 4 5 10 12 9 4 4 4 4 5 6 8 6 6 5 4 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 0 0 5 20 20 5 5 5
Precip Type R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
12 Hour QPF 0.00 0.00 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.01 0.09
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) 7.4 7.2 7.8 8.5 8.8 8.6 8.3 8.3 8.7 9.4 10.2 10.5 10.5 10.3 10.1 10.1 10.0
Snow Density (%) 25 25 33 100 100 100 100 100 100 100 100 0 100 100 100 100 100
...Absoraka-Beartooth/Cooke City Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK SC BK OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 5 20 15 30 50 60 50 60 95 90 80 90 95 85 75 70 90
Temperature 36 38 47 51 48 41 38 37 37 39 49 52 49 42 40 38 37
Max/Min Temp 52 35 53 36
Wind Dir SW SW SW SW SW SW S SE S S SW SW SW S S SE SW
Wind (mph) 10 13 18 20 17 11 5 5 6 6 10 11 6 5 4 3 3
Wind Gust (mph) 33 37 42 44 35 24 27
Precip Prob (%) 0 0 0 0 5 5 0 5 50 5 0 10 20 20 40 40 50
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 0.24 0.09
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 9.7 10.0 10.1 9.9 9.7 9.6 9.7 10.5 10.8 11.3 11.4 11.4 11.2 11.1 10.8 10.7
Snow Density (%) 50 33 50 100 100 50 50 100 50 50 100 0 0 0 0 100 100
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK BK BK SC OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 10 10 20 30 50 60 55 50 95 90 75 80 100 85 75 75 85
Temperature 40 42 50 54 52 44 42 39 39 40 48 51 49 43 41 40 39
Max/Min Temp 55 38 52 38
Wind Dir SW SW SW W W SW S S S S E NE N SE W SW SW
Wind (mph) 9 12 14 17 12 9 5 5 5 6 8 8 5 5 4 4 4
Wind Gust (mph) 37 47 49 50 44 29 26 28 27 27 27 23
Precip Prob (%) 0 0 0 0 5 5 5 5 30 5 0 5 10 10 30 30 50
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.01 0.01 0.00
12 Hour QPF 0.00 0.00 0.03 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.12 0.08
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 0.1 0.0
Snow Level (kft) 10.0 9.6 9.9 10.1 9.9 9.6 9.3 9.3 10.4 10.7 11.1 11.3 11.2 11.1 10.9 10.7 10.6
Snow Density (%) 50 50 50 100 100 100 50 100 100 100 100 0 0 0 100 100 100
...Absoraka Mountains Above 6000ft West Facing...
Date Saturday 09/26/26 Sunday 09/27/26
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 OV OV BK OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 10 20 25 40 70 70 60 75 95 85 80 90 100 80 75 80 90
Temperature 38 40 50 54 52 45 41 40 40 41 51 56 54 46 43 40 39
Max/Min Temp 55 38 57 38
Wind Dir SW SW SW SW SW SW S S S S SW SW W SE N NW S
Wind (mph) 6 10 14 17 12 8 4 4 4 4 8 10 5 4 3 2 2
Wind Gust (mph) 41 42 47 49 44 28 24 25 29 32 23
Precip Prob (%) 0 0 0 0 5 5 0 5 20 0 0 5 5 5 30 30 40
Precip Type R 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 0.11 0.08
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 9.3 9.6 9.9 9.8 9.6 9.4 9.7 10.3 10.6 11.1 11.3 11.2 11.0 10.9 10.7 10.6
Snow Density (%) 100 50 100 100 100 100 100 0 100 100 0 0 0 0 0 0 100
...Crazy Mountains...
Date Saturday 09/26/26 Sunday 09/27/26
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 BK OV BK OV OV OV BK OV OV OV OV OV OV
Cloud Cover (%) 10 10 15 35 70 85 65 70 95 80 60 75 90 90 80 80 85
Temperature 39 41 48 53 52 46 43 39 38 39 46 51 50 44 43 41 40
Max/Min Temp 54 37 52 39
Wind Dir W W W W W NW E SE SE SE SE SE E E W W W
Wind (mph) 14 10 12 16 10 5 6 8 9 8 8 6 5 5 4 4 5
Wind Gust (mph) 33 27 33 36 29
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 5 20 20 10 10 10
Precip Type 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 0.01 0.06
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 7.4 7.9 8.4 8.5 8.4 8.1 7.7 7.7 8.5 9.7 9.9 10.2 10.2 10.1 10.1 10.0
Snow Density (%) 50 33 50 100 100 100 100 100 100 100 100 0 100 0 0 0 100
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain