Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
424
FWUS45 KTFX 122201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Sat Sep 12 2026
...Glacier National Park/Marias Pass...
Date Sunday 09/13/26 Monday 09/14/26
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 OV OV OV OV OV BK BK OV OV OV BK BK SC
Cloud Cover (%) 75 80 70 65 85 90 85 90 70 65 70 90 90 80 70 55 50
Temperature 45 43 41 40 38 39 42 45 42 38 36 35 37 38 41 44 42
Min/Max Temp 37 45 35 44
Wind Dir E E E SE SE E SE SW W SW SW SW W W W W W
Wind (mph) 8 9 9 10 11 10 6 8 12 18 20 23 24 18 16 14 12
Wind Gust (mph) 31 36 41 50 58 58 44 36
Precip Prob (%) 20 10 10 10 20 40 60 90 50 20 0 60 70 70 20 20 20
Precip Type R R R R R S S S S S S R R
6 Hour QPF 0.01 0.00 0.01 0.08 0.01 0.04 0.03 0.01
12 Hour QPF 0.01 0.09 0.05 0.04
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 0.2 0.0 0.0
12 Hour Snow 0.0 0.0 0.2 0.0
Low End Snow MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 8.4 8.1 8.1 8.7 10.1 10.5 10.0 8.7 7.3 6.8 6.6 6.4 7.0 7.2 7.6 8.2 8.4
Snow Density (%) 50 100 100 100 0 100 100 50 25 20 20 20 20 25 33 33 50
...Bob Marshall/Scapegoat Wilderness...
Date Sunday 09/13/26 Monday 09/14/26
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 OV OV OV OV BK OV BK BK OV OV OV OV BK BK SC
Cloud Cover (%) 70 80 75 75 80 75 55 75 60 60 75 80 85 70 65 55 45
Temperature 50 45 43 41 39 40 49 52 46 39 36 35 37 38 43 45 44
Min/Max Temp 38 53 34 46
Wind Dir E E E E E E SE W W W SW SW W W W W W
Wind (mph) 6 9 10 9 9 6 5 8 9 10 12 18 21 18 16 13 11
Wind Gust (mph) 28 32 32 27 34 39 59 62 54 39 35 28
Precip Prob (%) 10 10 5 10 10 10 10 50 30 10 5 30 40 40 5 5 0
Precip Type R R R R R R R S S S R R R
6 Hour QPF 0.00 0.01 0.00 0.02 0.02 0.02 0.02 0.00
12 Hour QPF 0.01 0.02 0.04 0.02
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 0.1 0.0 0.0
12 Hour Snow 0.0 0.0 0.1 0.0
Low End Snow MM MM MM MM
High End Snow MM MM MM MM
Snow Level (kft) 9.8 9.9 10.3 10.9 10.9 10.9 10.4 9.6 7.7 6.9 6.8 6.5 7.1 7.3 7.7 8.2 8.4
Snow Density (%) 0 0 0 0 0 0 0 100 33 20 16 16 16 20 25 33 50
...Nevada Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK OV OV FW BK BK BK BK OV OV OV BK SC FW
Cloud Cover (%) 55 65 50 65 80 85 25 55 65 60 70 75 85 70 55 40 25
Temperature 55 47 44 42 40 41 52 57 51 44 40 39 39 39 44 48 47
Min/Max Temp 39 57 38 48
Wind Dir NE NE NE NE NE NE E W W W W SW SW W W W W
Wind (mph) 8 11 11 10 8 6 4 6 9 10 12 17 21 20 18 16 12
Wind Gust (mph) 29 29 33 47 49 46 40 34
Precip Prob (%) 5 5 5 5 5 5 10 30 10 30 5 20 20 20 0 0 0
Precip Type R R T R S R R
6 Hour QPF 0.00 0.00 0.00 0.01 0.02 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 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) 10.4 10.8 11.0 11.1 11.1 11.0 10.5 10.2 9.2 7.7 7.1 7.1 7.2 7.3 7.7 8.4 8.5
Snow Density (%) 0 0 0 0 0 0 0 0 100 33 25 25 25 25 33 50 100
...Elkhorn/Boulder Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK BK OV FW SC BK BK OV BK BK BK SC SC FW
Cloud Cover (%) 60 70 40 65 60 70 5 45 60 60 75 65 60 60 45 35 15
Temperature 59 49 44 40 38 42 55 60 55 43 39 36 36 39 45 48 48
Min/Max Temp 37 61 35 49
Wind Dir NE NE NE E SE SE S W NW NW W SW SW W W W NW
Wind (mph) 8 10 8 5 5 6 6 10 13 14 11 11 14 17 18 16 12
Wind Gust (mph) 27 37 41 35 31 39 40 40 36
Precip Prob (%) 0 0 0 0 0 0 5 20 20 30 0 10 5 5 0 0 0
Precip Type R R S S
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 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) 11.0 11.3 11.3 11.2 11.3 11.2 10.6 10.6 9.9 8.6 7.6 7.3 7.2 7.3 8.0 8.6 8.8
Snow Density (%) 0 0 0 0 0 0 0 0 100 33 25 20 20 20 25 50 100
...Big Belt Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK BK FW FW OV OV OV OV BK BK BK SC FW
Cloud Cover (%) 60 65 40 50 70 65 10 25 75 75 75 80 70 60 55 40 20
Temperature 57 50 45 43 41 43 56 63 58 48 44 42 41 42 47 51 50
Min/Max Temp 40 63 39 51
Wind Dir N NE NE E E SE SE W NW W W SW SW SW W W W
Wind (mph) 8 10 9 8 8 8 8 6 10 11 11 12 16 20 19 17 12
Wind Gust (mph) 28 26 31 25 32 34 28 41 44 47 40 36 29
Precip Prob (%) 5 0 0 0 0 0 0 10 30 40 10 40 20 20 10 10 0
Precip Type R R R R S S S
6 Hour QPF 0.00 0.00 0.00 0.01 0.07 0.02 0.00 0.00
12 Hour QPF 0.00 0.01 0.09 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) 10.4 10.8 11.0 11.1 11.1 11.3 11.0 10.7 10.4 9.0 7.7 7.3 7.2 7.3 7.8 8.4 8.7
Snow Density (%) 0 0 0 0 0 0 0 0 100 50 33 25 25 25 33 50 100
...Little Belt Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK SC SC FW OV OV OV OV OV BK BK SC SC
Cloud Cover (%) 65 65 40 45 65 30 25 10 70 85 75 80 80 65 55 50 30
Temperature 55 46 42 40 40 44 55 63 58 47 41 39 39 40 44 49 47
Min/Max Temp 38 63 37 49
Wind Dir NE NE SE SE SE SE SE S NW W W W SW W W W W
Wind (mph) 8 6 5 8 10 13 13 11 8 9 10 14 20 24 23 21 17
Wind Gust (mph) 25 29 32 35 40 42 34 27 29 33 46 49 48 48 46 40
Precip Prob (%) 5 5 5 5 0 0 0 5 40 40 60 20 50 50 30 30 5
Precip Type R R S S S S R R
6 Hour QPF 0.00 0.00 0.00 0.01 0.12 0.03 0.01 0.00
12 Hour QPF 0.00 0.01 0.15 0.01
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) 10.1 10.4 10.7 11.0 11.0 11.3 11.6 11.1 11.0 10.0 8.2 7.4 7.2 7.3 7.8 8.3 8.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 50 33 25 25 25 25 50 50
...Highwood Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK CL OV OV OV OV OV BK BK BK SC
Cloud Cover (%) 65 55 35 40 45 30 55 5 80 90 75 80 85 65 60 50 40
Temperature 53 47 45 43 43 46 55 63 58 48 45 44 44 45 48 51 49
Min/Max Temp 41 63 43 51
Wind Dir NE E E SE SE SE SE E NW W W W W W W W W
Wind (mph) 8 9 10 12 16 18 19 9 10 14 16 21 29 31 29 26 19
Wind Gust (mph) 46 51 51
Precip Prob (%) 5 5 5 0 0 0 0 0 40 30 40 0 30 30 20 20 5
Precip Type R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.23 0.02 0.01 0.00
12 Hour QPF 0.00 0.00 0.25 0.01
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) 9.2 9.2 9.6 10.5 10.9 11.2 11.4 11.0 11.0 10.0 8.0 7.2 7.1 7.2 7.5 8.1 8.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 50 33 33 33 33 50 100
...Snowy/Judith Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 SC SC SC FW SC FW SC SC BK SC SC SC SC SC SC
Cloud Cover (%) 80 65 45 40 45 25 25 10 40 50 60 40 50 40 50 50 25
Temperature 56 48 44 42 40 45 55 64 64 52 46 44 43 45 50 53 51
Min/Max Temp 39 66 42 53
Wind Dir E E SE SE SE SE SE SE SE NW NW W W W W NW NW
Wind (mph) 6 8 6 8 10 16 19 16 11 14 20 19 19 23 26 26 24
Wind Gust (mph) 24 25 31 39 41 40 32 43 48 49 49 49 51 51 50
Precip Prob (%) 0 0 0 0 0 0 0 0 10 20 40 0 20 20 10 10 5
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 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) 9.8 9.9 10.1 10.6 10.9 11.2 11.8 11.5 11.1 10.7 9.6 7.8 7.3 7.3 7.7 8.1 8.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 100 50 50 50 50 100 100
...Bears Paw Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 SC SC SC SC SC SC OV OV OV BK OV BK OV OV BK
Cloud Cover (%) 90 75 30 35 35 30 30 25 70 90 80 65 75 65 75 75 50
Temperature 51 44 41 40 39 45 55 60 58 49 46 43 42 45 48 51 48
Min/Max Temp 37 61 41 51
Wind Dir NE E E E SE SE SE SE SE W W W W W W NW NW
Wind (mph) 3 4 4 6 10 16 21 19 11 9 10 16 18 21 23 21 19
Wind Gust (mph) 35 40 29 39 39 41 41 37
Precip Prob (%) 5 0 0 0 0 0 0 5 20 70 60 0 50 50 70 70 30
Precip Type R R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.10 0.04 0.02 0.01
12 Hour QPF 0.00 0.00 0.14 0.03
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 7.8 7.9 8.1 8.6 10.6 11.0 11.4 11.0 10.7 9.0 7.4 7.1 6.9 7.4 7.9 8.0
Snow Density (%) 100 100 100 0 0 0 0 0 0 0 100 50 50 33 50 50 50
...Castle/Crazy Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK SC FW FW SC BK BK OV BK SC SC SC FW
Cloud Cover (%) 55 60 60 65 70 45 15 25 45 60 60 75 65 50 50 35 20
Temperature 59 50 45 42 40 41 53 63 61 49 44 40 39 40 44 49 48
Min/Max Temp 38 64 38 49
Wind Dir NE E E E E E SE SE W W W W SW W W W W
Wind (mph) 8 13 14 14 16 16 13 12 11 13 14 17 21 26 27 25 21
Wind Gust (mph) 34 40 41 34 31 36 52 59 63 59 56 50
Precip Prob (%) 0 0 5 5 0 0 0 0 20 10 30 40 30 30 10 10 0
Precip Type T R R S S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00
12 Hour QPF 0.00 0.00 0.03 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) 10.4 10.8 11.1 11.2 11.2 11.6 11.5 11.2 10.7 10.2 8.6 7.6 7.3 7.3 7.9 8.4 8.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 33 25 25 25 33 50 100
...Bridger Range...
Date Sunday 09/13/26 Monday 09/14/26
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 SC FW FW SC BK BK OV SC SC SC SC FW
Cloud Cover (%) 65 65 70 55 50 40 20 15 40 55 55 70 45 35 35 35 15
Temperature 62 52 47 44 41 43 55 66 63 50 44 41 39 41 46 51 50
Min/Max Temp 40 66 38 51
Wind Dir NE E SE SE SE SE SE S W NW W SW SW W W W NW
Wind (mph) 4 11 14 14 16 14 9 9 12 11 10 10 12 18 20 18 13
Wind Gust (mph) 33 37 42 40 27 27 33 32 29 27 33 41 43 40 32
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 30 50 20 20 5 5 0
Precip Type R S R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00
12 Hour QPF 0.00 0.00 0.03 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) 10.6 11.1 11.2 11.2 11.3 11.7 11.4 11.0 10.2 10.0 8.6 7.7 7.3 7.3 7.9 8.6 8.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 33 25 25 25 33 100 100
...Madison Range/Spanish Peaks...
Date Sunday 09/13/26 Monday 09/14/26
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 SC SC SC FW FW FW FW SC SC SC SC FW FW FW FW
Cloud Cover (%) 80 55 40 45 45 25 25 15 15 30 35 30 30 15 10 15 10
Temperature 59 51 46 43 42 47 58 61 57 47 40 36 35 36 45 50 49
Min/Max Temp 42 61 33 50
Wind Dir SW S S SE SE S S SW SW W W SW SW SW W W W
Wind (mph) 8 5 4 5 6 10 18 24 23 12 9 6 8 11 13 13 11
Wind Gust (mph) 31 47 55 51 40 26 25 33 32 34
Precip Prob (%) 0 0 0 0 0 0 0 0 0 5 5 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 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) 11.4 11.3 11.2 11.6 11.8 11.7 10.9 10.6 9.6 8.6 7.9 7.6 7.1 7.3 8.2 8.9 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 100 33 20 16 14 14 25 50 100
...Gallatin Range/Hyalite Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK SC SC SC FW FW FW SC BK SC SC FW FW FW FW
Cloud Cover (%) 80 65 55 35 45 30 15 15 15 35 50 35 35 20 15 20 10
Temperature 60 50 45 42 40 45 61 64 60 48 41 36 36 37 46 51 50
Min/Max Temp 40 64 34 51
Wind Dir NW SE SE SE SE S S SW SW W W SW SW SW W W NW
Wind (mph) 6 6 6 6 8 10 14 20 20 13 9 8 10 12 14 14 12
Wind Gust (mph) 25 37 47 46 40 27 32 33
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 40 0 5 5 0 0 0
Precip Type S
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 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) 11.3 11.4 11.2 11.4 11.8 11.9 11.3 10.9 9.8 8.9 8.2 7.8 7.2 7.4 8.2 8.9 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 33 20 16 16 16 25 50 100
...Lionhead Range...
Date Sunday 09/13/26 Monday 09/14/26
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 BK SC FW FW FW FW SC SC FW FW FW CL FW FW
Cloud Cover (%) 65 35 30 55 30 10 15 15 10 45 40 15 20 10 5 5 5
Temperature 63 52 48 44 42 49 60 64 60 49 45 38 34 37 48 54 53
Min/Max Temp 41 64 33 55
Wind Dir SW S S SE E S SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 8 4 4 3 4 9 17 19 16 11 14 14 11 13 12 11 8
Wind Gust (mph) 37 37 28 33 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) 11.3 11.3 11.6 12.0 12.2 11.8 10.7 11.0 10.1 9.0 7.9 7.1 6.7 6.9 7.9 8.9 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 50 33 25 25 50 100 0
...Tobacco Root Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 BK SC BK SC FW SC SC SC BK BK SC FW FW FW FW
Cloud Cover (%) 70 70 60 45 55 50 20 30 40 40 50 50 30 20 15 20 10
Temperature 60 51 46 42 40 43 57 62 57 45 39 36 35 37 44 49 49
Min/Max Temp 40 62 34 50
Wind Dir NW NE NE SE S S SW SW W W W SW SW SW W W NW
Wind (mph) 6 10 11 9 6 6 9 19 17 11 9 11 13 16 17 13 10
Wind Gust (mph) 36 49 42 29 32 35 34 31
Precip Prob (%) 0 0 0 0 0 0 0 0 20 20 5 0 0 0 0 0 0
Precip Type R S
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) 11.3 11.5 11.4 11.4 11.6 11.4 10.7 10.4 9.5 8.5 7.9 7.5 7.0 7.2 8.1 8.8 9.1
Snow Density (%) 0 0 0 0 0 0 0 0 100 25 16 16 14 16 25 50 100
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Sunday 09/13/26 Monday 09/14/26
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 SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 75 65 50 45 45 20 15 5 10 15 25 25 20 10 5 10 10
Temperature 63 54 49 46 45 49 61 64 60 48 42 38 35 38 48 54 53
Min/Max Temp 44 64 34 54
Wind Dir SW S SE SE SE S S SW SW W W W SW SW W W NW
Wind (mph) 10 9 6 5 5 10 23 28 24 12 10 8 8 9 12 13 12
Wind Gust (mph) 27 44 51 48 32 31 28 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 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) 11.6 11.4 11.3 11.7 11.8 11.2 10.5 10.1 9.3 8.1 7.3 7.1 6.8 7.0 8.2 8.9 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 50 25 20 16 20 33 100 0
...Centennial Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 SC SC FW FW FW FW SC FW FW FW CL CL FW FW
Cloud Cover (%) 75 50 25 50 35 15 10 10 10 25 20 15 15 5 5 10 10
Temperature 62 54 50 47 47 50 58 61 58 49 45 41 36 38 47 53 52
Min/Max Temp 46 61 35 54
Wind Dir SW S S SE SE S S SW SW SW W W W SW SW SW SW
Wind (mph) 11 9 8 9 10 14 21 27 23 11 10 8 5 8 11 12 11
Wind Gust (mph) 39 48 46 29
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) 11.4 11.3 11.4 11.9 12.0 11.4 10.4 10.2 9.3 8.5 7.5 7.0 6.7 6.9 8.1 8.9 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 50 33 25 25 20 33 100 0
...Anaconda/Highland Ranges...
Date Sunday 09/13/26 Monday 09/14/26
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 BK SC FW SC SC BK OV BK BK BK SC SC FW
Cloud Cover (%) 70 65 45 50 65 30 15 25 40 60 75 65 60 55 40 30 10
Temperature 62 53 47 44 42 45 55 58 53 41 36 35 35 37 43 48 49
Min/Max Temp 41 58 33 49
Wind Dir NW NE E E SE S SW SW W NW W W W W W W NW
Wind (mph) 4 6 12 13 10 5 11 14 14 12 10 9 11 12 11 10 9
Wind Gust (mph) 24 29 32 32 31 28 31 31 29
Precip Prob (%) 0 0 0 0 0 5 10 0 5 5 20 5 10 10 0 0 0
Precip Type S S S
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) 11.4 11.4 11.3 11.4 11.2 10.6 9.9 9.3 8.6 8.0 7.5 7.3 7.2 7.3 8.0 8.7 9.0
Snow Density (%) 0 0 0 0 0 0 0 0 50 20 16 16 16 16 25 50 100
...Pioneer Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 SC BK BK SC FW FW SC SC BK SC BK SC SC FW FW
Cloud Cover (%) 75 70 45 55 60 30 5 20 30 30 55 50 55 45 30 20 10
Temperature 62 53 47 43 41 45 57 59 55 42 36 34 33 35 42 49 49
Min/Max Temp 41 60 32 50
Wind Dir W E SE SE SE S SW SW W W W W W W W W NW
Wind (mph) 6 5 6 8 8 8 13 18 17 13 11 10 12 13 12 11 10
Wind Gust (mph) 25 26 37 43 39 36 33 34 35 35
Precip Prob (%) 0 0 0 0 0 0 0 0 0 5 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) 11.5 11.5 11.3 11.4 11.4 10.7 10.2 9.6 8.7 7.8 7.4 7.1 7.1 7.2 8.1 8.7 9.0
Snow Density (%) 0 0 0 0 0 0 0 0 50 20 16 14 14 14 25 50 100
...Beaverhead/Tendoy Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 SC BK FW FW FW FW SC SC SC SC FW FW FW FW
Cloud Cover (%) 65 65 65 45 60 15 10 10 15 25 35 30 30 15 10 10 5
Temperature 63 54 49 46 45 49 58 60 55 44 39 35 33 36 45 51 51
Min/Max Temp 44 60 32 52
Wind Dir SW S S SE SE SW SW SW W W W W W W W W NW
Wind (mph) 9 6 8 10 11 12 21 23 19 14 12 9 9 9 10 11 10
Wind Gust (mph) 26 32 34 33 47 46 43 39 35 26 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) 11.6 11.5 11.4 11.6 11.5 10.5 9.9 9.4 8.6 7.8 7.1 7.0 6.8 7.0 8.1 8.8 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 50 25 16 16 16 16 25 100 100
...Absoraka-Beartooth/Cooke City Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 SC BK BK FW CL FW FW SC BK FW SC FW FW SC SC
Cloud Cover (%) 85 75 50 60 60 10 5 25 20 35 55 15 25 10 10 35 25
Temperature 55 47 43 40 40 46 59 60 56 45 42 38 33 33 43 47 46
Min/Max Temp 39 61 31 48
Wind Dir W SW S SE SE SE SW SW SW SW SW SW SW SW W W W
Wind (mph) 10 5 5 5 6 8 18 21 21 18 16 17 16 17 20 19 16
Wind Gust (mph) 37 43 44 41 41 42 42 42 42 39 33
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 40 0 5 5 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 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) 11.3 11.3 11.1 11.6 11.9 12.3 12.0 11.7 11.3 9.7 8.4 7.5 7.0 7.2 8.4 9.1 9.3
Snow Density (%) 0 0 0 0 0 0 0 0 100 50 20 14 12 14 25 50 50
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Sunday 09/13/26 Monday 09/14/26
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 FW FW FW FW FW BK FW SC FW FW FW FW
Cloud Cover (%) 80 80 60 60 60 15 15 15 15 25 55 25 30 15 10 20 15
Temperature 54 47 43 41 40 45 57 62 59 49 45 41 37 38 46 50 48
Min/Max Temp 39 63 36 50
Wind Dir NE S S SW S S S SW SW SW SW SW SW W W W NW
Wind (mph) 9 6 5 4 5 9 13 17 19 18 16 18 19 24 24 21 18
Wind Gust (mph) 29 34 39 37 41 37 40 46 49 46 55 61 62 61 52 46 41
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 30 0 5 5 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 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) 11.2 11.3 11.1 11.4 11.8 12.2 12.0 11.8 11.3 9.9 8.9 7.9 7.3 7.3 8.4 9.0 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 100 50 25 20 20 20 33 50 50
...Absoraka Mountains Above 6000ft West Facing...
Date Sunday 09/13/26 Monday 09/14/26
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 SC SC BK FW FW FW FW SC SC FW SC FW FW FW FW
Cloud Cover (%) 80 60 40 50 50 15 15 20 15 35 45 25 30 10 10 20 15
Temperature 60 51 46 43 42 47 61 63 60 49 44 39 35 37 47 52 50
Min/Max Temp 41 64 34 52
Wind Dir W S S SE SE S SW SW SW SW SW SW SW SW W W W
Wind (mph) 9 5 5 4 5 8 16 20 19 14 12 12 12 14 17 16 12
Wind Gust (mph) 31 23 25 24 24 31 47 55 52 49 48 51 51 52 49 44 35
Precip Prob (%) 0 0 0 0 0 0 0 0 0 5 30 0 0 0 0 0 0
Precip Type R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 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) 11.3 11.3 11.2 11.7 11.9 12.0 11.5 11.3 10.6 9.3 8.3 7.5 7.1 7.2 8.2 9.0 9.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 50 25 20 16 20 33 100 100
...Crazy Mountains...
Date Sunday 09/13/26 Monday 09/14/26
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 OV OV OV BK SC FW FW SC SC SC BK BK SC SC SC FW
Cloud Cover (%) 50 75 80 70 60 35 20 15 25 35 40 65 55 40 35 30 15
Temperature 57 48 44 41 39 42 52 61 60 49 44 40 38 39 43 48 47
Min/Max Temp 38 62 37 48
Wind Dir E E E SE SE SE SE S SW W W W W W W W W
Wind (mph) 9 12 13 13 14 14 11 13 14 16 18 23 27 32 32 29 25
Wind Gust (mph) 32 35 34 36 33 28 34 33 42 57 65 67 62 57 51
Precip Prob (%) 0 0 5 5 5 0 0 0 5 5 0 30 20 20 10 10 0
Precip Type S S S
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00
12 Hour QPF 0.00 0.00 0.01 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) 10.4 10.8 11.1 11.1 11.2 11.7 11.6 11.3 10.7 9.8 8.8 7.8 7.4 7.3 7.9 8.5 8.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 33 20 20 20 25 50 50
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain