Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
485
FWUS45 KTFX 052201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Sat Sep 5 2026
...Glacier National Park/Marias Pass...
Date Sunday 09/06/26 Monday 09/07/26
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 OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 95 95 95 95 90 80 75 95 95 90 85 100 90 100 100 95
Temperature 48 46 46 45 44 45 48 51 50 47 47 45 45 44 45 46 44
Min/Max Temp 43 53 43 47
Wind Dir E NE E E E E E E E NE NE N N N NW NW W
Wind (mph) 8 8 6 5 5 5 5 5 5 4 4 4 4 5 8 10 13
Wind Gust (mph) 34
Precip Prob (%) 60 80 90 80 90 40 30 40 10 60 60 5 70 70 100 100 90
Precip Type R R R R R R R R T R R R R R R R R
6 Hour QPF 0.21 0.27 0.11 0.06 0.21 0.04 0.20 0.55
12 Hour QPF 0.48 0.17 0.25 0.75
Low End QPF 0.04 0.05 0.09 0.17
High End QPF 0.64 0.43 0.81 1.90
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 10.7 10.8 10.8 10.9 10.8 10.7 10.7 10.6 10.6 10.5 10.2 10.0 9.7 9.6 9.6 9.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
...Bob Marshall/Scapegoat Wilderness...
Date Sunday 09/06/26 Monday 09/07/26
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 OV OV OV OV
Cloud Cover (%) 65 90 75 85 95 85 75 70 95 90 80 90 100 95 95 95 85
Temperature 52 48 47 46 45 46 53 57 53 49 47 46 45 44 46 46 44
Min/Max Temp 45 58 43 47
Wind Dir E E E E E E E E NE NE N N N NW W W W
Wind (mph) 6 6 6 5 4 4 4 5 4 4 3 3 3 5 8 12 16
Wind Gust (mph) 34 40
Precip Prob (%) 50 80 30 60 60 20 10 20 70 80 30 50 100 100 90 90 70
Precip Type T R R R R R T R R R R R R R R R
6 Hour QPF 0.22 0.15 0.07 0.02 0.18 0.08 0.40 0.55
12 Hour QPF 0.37 0.09 0.26 0.95
Low End QPF 0.02 0.04 0.19 0.09
High End QPF 0.44 0.36 0.91 1.19
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) 11.1 11.4 11.6 11.2 11.0 10.9 10.9 11.2 11.5 11.5 11.4 11.1 10.8 9.9 9.6 9.2 9.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 50 50 50
...Nevada Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 OV OV BK BK OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 70 55 40 70 90 80 60 50 80 70 80 95 100 95 85 85 70
Temperature 57 52 49 48 48 48 55 60 58 51 50 50 49 46 47 48 45
Min/Max Temp 47 63 45 50
Wind Dir NE NE NE NE N NE NE NE N N N N N W W W W
Wind (mph) 8 10 9 8 5 4 4 5 6 8 5 4 4 5 11 17 17
Wind Gust (mph) 34 35
Precip Prob (%) 60 30 10 20 20 5 0 5 70 50 60 80 100 100 80 80 40
Precip Type R R R R R R R R R R R R R
6 Hour QPF 0.12 0.02 0.00 0.00 0.09 0.10 0.40 0.28
12 Hour QPF 0.14 0.00 0.19 0.68
Low End QPF 0.00 0.00 0.12 0.03
High End QPF 0.23 0.20 0.72 0.81
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) 11.7 11.9 11.5 11.3 11.3 11.1 10.9 11.4 11.8 11.8 11.4 11.3 11.2 10.0 9.6 9.2 9.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100
...Elkhorn/Boulder Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 BK BK BK SC FW BK BK OV OV OV OV OV OV BK
Cloud Cover (%) 35 20 35 60 65 55 25 25 65 65 75 95 95 90 75 75 60
Temperature 61 51 47 45 44 47 57 64 62 51 47 47 46 45 49 50 48
Min/Max Temp 44 66 44 52
Wind Dir E N NE NE N NE E SE NE N N N NW W SW W W
Wind (mph) 6 8 8 6 6 4 4 5 8 10 8 5 5 8 13 17 16
Wind Gust (mph) 25 26 33 34 32 36 35
Precip Prob (%) 20 5 0 5 5 0 0 5 10 5 5 20 90 90 70 70 20
Precip Type T T T R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.08 0.21 0.19
12 Hour QPF 0.00 0.00 0.08 0.40
Low End QPF 0.00 0.00 0.05 0.01
High End QPF 0.07 0.08 0.51 0.49
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) 12.1 11.7 11.2 11.4 11.3 11.0 10.9 11.5 11.6 11.3 11.4 11.5 11.2 9.9 9.6 9.3 9.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
...Big Belt Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 BK BK SC FW OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 30 25 25 45 60 60 35 25 70 80 95 90 95 95 85 85 65
Temperature 64 55 51 48 46 49 59 67 64 55 52 51 50 49 51 53 49
Min/Max Temp 46 67 48 55
Wind Dir NE NE NE NE N NE NE NW NE N N N N W SW W W
Wind (mph) 8 9 9 6 5 3 4 5 8 9 8 5 4 5 13 17 18
Wind Gust (mph) 25 27 29 25 25 27 26 31 36 35
Precip Prob (%) 10 5 5 0 5 0 0 0 10 20 50 40 100 100 80 80 50
Precip Type T R R R R R R R R
6 Hour QPF 0.01 0.00 0.00 0.00 0.02 0.12 0.19 0.23
12 Hour QPF 0.01 0.00 0.14 0.42
Low End QPF 0.00 0.00 0.06 0.02
High End QPF 0.08 0.10 0.54 0.59
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) 12.0 11.8 11.5 11.4 11.3 11.1 10.9 11.3 11.7 11.6 11.6 11.6 11.5 10.5 10.0 9.5 9.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100
...Little Belt Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC SC BK SC SC OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 15 15 15 30 50 55 30 30 80 85 95 95 100 90 80 80 70
Temperature 63 54 50 47 46 51 63 69 64 54 51 51 50 49 54 56 51
Min/Max Temp 46 69 48 57
Wind Dir E E E SE S SE E E NE NE N N NW SW SW SW W
Wind (mph) 10 8 4 3 3 3 6 8 8 5 3 3 3 5 13 19 21
Wind Gust (mph) 28 21 25 35 44 44
Precip Prob (%) 5 0 0 0 0 0 0 20 30 30 30 90 90 90 80 80 60
Precip Type T T T R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.01 0.08 0.22 0.17 0.21
12 Hour QPF 0.00 0.01 0.30 0.38
Low End QPF 0.00 0.00 0.06 0.02
High End QPF 0.03 0.21 0.61 0.48
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) 12.0 11.9 11.8 11.5 11.3 11.3 11.2 11.8 12.3 12.1 12.0 11.9 11.6 10.8 10.3 9.7 9.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100
...Highwood Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC BK OV BK SC OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 10 25 20 40 65 85 55 45 80 85 95 100 100 90 90 90 75
Temperature 63 57 53 50 49 51 59 65 62 55 54 53 53 51 53 55 51
Min/Max Temp 49 66 51 56
Wind Dir NE E E SE S SE NE NE NE N NW NW NW W W W W
Wind (mph) 10 9 5 5 4 4 5 6 6 6 6 6 6 8 10 21 28
Wind Gust (mph)
Precip Prob (%) 0 5 5 0 5 10 10 10 20 40 40 70 90 90 90 90 60
Precip Type T T T R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.09 0.32 0.39 0.26
12 Hour QPF 0.00 0.00 0.41 0.65
Low End QPF 0.00 0.00 0.13 0.04
High End QPF 0.05 0.28 0.95 0.80
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) 11.9 11.9 11.8 11.5 11.3 11.2 11.2 11.5 12.4 12.4 12.3 11.8 11.6 10.9 10.3 9.7 9.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC BK SC FW FW OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 15 20 25 45 55 50 20 25 85 95 95 95 100 80 80 80 60
Temperature 70 59 55 53 51 56 65 71 70 60 56 55 53 53 60 63 60
Min/Max Temp 50 73 51 65
Wind Dir NE E SE SE SE E E E E N W NW NW W W W W
Wind (mph) 9 6 4 3 3 3 5 6 8 6 5 5 6 5 9 18 20
Wind Gust (mph) 35 43
Precip Prob (%) 0 0 0 0 5 10 0 10 5 40 80 90 70 70 70 70 40
Precip Type R R T R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.07 0.37 0.10 0.15
12 Hour QPF 0.00 0.00 0.44 0.25
Low End QPF 0.00 0.00 0.09 0.01
High End QPF 0.01 0.31 1.06 0.30
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) 12.0 12.3 12.2 12.0 11.5 11.3 11.4 11.7 12.5 12.7 12.7 12.4 12.1 11.5 10.8 10.2 9.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC SC BK BK BK OV BK OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 5 25 45 55 65 70 85 60 85 95 95 100 100 95 95 95 90
Temperature 66 57 54 51 50 56 62 66 64 56 55 53 52 53 57 59 53
Min/Max Temp 49 68 50 60
Wind Dir NE NE NE NE E NE E E NE NE N N N NW W W W
Wind (mph) 9 8 8 5 5 4 5 5 5 5 4 5 4 5 8 12 20
Wind Gust (mph) 37
Precip Prob (%) 0 0 5 5 30 50 40 20 5 20 70 70 90 90 100 100 80
Precip Type R R R T T R R R R R R R
6 Hour QPF 0.00 0.00 0.07 0.03 0.09 0.40 0.30 0.28
12 Hour QPF 0.00 0.10 0.49 0.58
Low End QPF 0.00 0.00 0.13 0.06
High End QPF 0.04 0.28 1.11 0.82
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) 11.6 11.8 11.9 12.0 11.7 11.6 11.4 11.3 11.7 12.2 12.3 12.2 11.6 11.4 10.9 10.5 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC SC FW FW OV OV OV OV OV OV OV OV SC
Cloud Cover (%) 25 15 10 20 35 35 15 10 80 85 95 95 85 85 75 75 50
Temperature 67 57 53 49 47 52 64 71 68 57 53 52 50 50 55 57 53
Min/Max Temp 47 71 48 58
Wind Dir E E E E E E S SE E E SE SW SW SW SW SW W
Wind (mph) 13 14 10 8 8 5 6 9 10 10 6 5 6 9 21 26 26
Wind Gust (mph) 33 43 55 59
Precip Prob (%) 0 0 0 0 0 0 0 5 20 20 40 50 80 80 70 70 30
Precip Type T T R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.07 0.04 0.07
12 Hour QPF 0.00 0.00 0.07 0.11
Low End QPF 0.00 0.00 0.03 0.01
High End QPF 0.02 0.10 0.37 0.18
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) 12.1 11.9 11.8 11.4 11.3 11.2 11.1 11.8 12.0 12.0 11.8 11.8 11.7 10.8 10.3 9.7 9.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Sunday 09/06/26 Monday 09/07/26
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 OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 20 15 10 15 20 15 5 15 80 85 95 95 85 85 75 75 50
Temperature 68 57 53 49 47 51 63 71 69 58 54 51 49 49 54 57 53
Min/Max Temp 47 72 48 58
Wind Dir SE SE SE SE SE SE S SW S SE SE SE W SW SW SW W
Wind (mph) 9 11 10 8 6 4 4 5 6 8 6 5 5 6 16 21 21
Wind Gust (mph) 29 35 46 42
Precip Prob (%) 0 0 0 0 0 0 0 0 10 0 20 30 80 80 60 60 30
Precip Type R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.03 0.04 0.03
12 Hour QPF 0.00 0.00 0.03 0.07
Low End QPF 0.00 0.00 0.02 0.02
High End QPF 0.01 0.05 0.30 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) 12.0 11.9 11.6 11.3 11.3 11.2 11.0 11.7 11.7 11.7 11.8 11.7 11.6 10.7 10.1 9.6 9.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Sunday 09/06/26 Monday 09/07/26
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 CL CL SC OV OV OV OV OV OV BK BK BK
Cloud Cover (%) 5 5 10 15 15 5 5 30 80 95 95 85 90 80 60 60 60
Temperature 62 52 49 46 45 50 60 65 63 54 50 47 44 43 46 50 48
Min/Max Temp 45 66 42 51
Wind Dir S S S SE SE S S S S S SE S S S SW SW SW
Wind (mph) 12 5 6 6 6 6 12 14 10 9 9 10 13 18 20 21 18
Wind Gust (mph) 34 25 28 34 37 35 27 35 40 43 46 46 39
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 40 70 70 70 40 40 20
Precip Type R R R R S S R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.11 0.07 0.02
12 Hour QPF 0.00 0.00 0.11 0.09
Low End QPF 0.00 0.00 0.03 0.00
High End QPF 0.00 0.06 0.38 0.14
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) 11.7 11.9 11.4 11.4 11.2 10.9 11.0 11.3 11.7 11.9 11.9 11.8 11.5 10.4 9.4 9.6 9.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 100 100 100 50 50 50
...Gallatin Range/Hyalite Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC OV OV OV OV OV OV BK BK BK
Cloud Cover (%) 10 10 10 15 15 5 5 30 85 95 95 80 75 75 55 55 60
Temperature 65 54 50 46 44 50 63 68 66 56 52 48 46 46 50 54 51
Min/Max Temp 44 69 44 54
Wind Dir S S S SE SE S SW S S S S S S S SW SW SW
Wind (mph) 11 6 5 5 5 5 10 12 10 9 8 8 10 14 19 20 18
Wind Gust (mph) 28 28 31 29 25 32 39 42 44 39
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 50 20 60 60 30 30 20
Precip Type R R R R S R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.06 0.03 0.02
12 Hour QPF 0.00 0.00 0.06 0.05
Low End QPF 0.00 0.00 0.02 0.00
High End QPF 0.00 0.05 0.30 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) 11.7 12.0 11.4 11.3 11.3 11.0 11.0 11.4 11.8 11.9 11.8 11.8 11.6 10.7 9.7 9.6 9.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
...Lionhead Range...
Date Sunday 09/06/26 Monday 09/07/26
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 CL SC OV OV OV OV OV OV SC SC FW
Cloud Cover (%) 5 10 10 15 10 5 5 40 85 95 95 95 100 75 40 30 25
Temperature 65 53 49 45 44 52 64 69 65 55 51 48 45 44 47 52 50
Min/Max Temp 43 69 43 53
Wind Dir SW S SE E S S SW SW S S S S S S SW SW SW
Wind (mph) 6 2 4 5 5 4 12 11 6 6 6 8 17 20 20 21 20
Wind Gust (mph) 27 34 37 39
Precip Prob (%) 0 0 0 0 0 0 0 0 0 20 90 60 60 60 10 10 5
Precip Type T R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.05 0.14 0.08 0.00
12 Hour QPF 0.00 0.00 0.19 0.08
Low End QPF 0.00 0.00 0.06 0.00
High End QPF 0.00 0.14 0.49 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) 12.2 11.8 11.4 11.4 11.3 10.9 11.0 11.4 12.0 12.2 12.1 12.1 11.5 10.2 9.3 9.5 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 50 100 0
...Tobacco Root Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC SC SC FW FW OV OV OV OV OV OV BK BK SC
Cloud Cover (%) 10 15 20 40 45 25 5 10 75 75 75 85 95 90 65 65 45
Temperature 62 53 50 46 44 47 58 65 64 55 50 46 44 44 47 50 48
Min/Max Temp 44 66 43 51
Wind Dir S S S SE SE SE S S S S S S S SW SW SW W
Wind (mph) 11 6 6 6 4 4 5 10 12 9 8 6 10 17 21 23 18
Wind Gust (mph) 31 28 33 32 35 42 42 37
Precip Prob (%) 0 0 0 0 0 0 0 0 5 0 5 60 90 90 50 50 10
Precip Type R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.07 0.10 0.04
12 Hour QPF 0.00 0.00 0.07 0.14
Low End QPF 0.00 0.00 0.05 0.00
High End QPF 0.02 0.05 0.39 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) 11.7 11.3 11.4 11.4 11.2 11.0 11.0 11.2 11.2 11.4 11.6 11.4 11.1 10.1 9.5 9.5 9.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50 100 50
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Sunday 09/06/26 Monday 09/07/26
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 SC SC FW CL FW OV OV OV OV OV OV BK BK BK
Cloud Cover (%) 5 10 20 30 30 5 5 20 80 85 85 85 95 80 55 55 55
Temperature 63 54 50 47 45 50 62 67 65 55 50 47 45 44 49 53 51
Min/Max Temp 45 68 43 54
Wind Dir S S SE SE SE S S S S S S S S S SW SW SW
Wind (mph) 19 9 8 8 6 8 14 21 17 12 14 13 16 19 21 21 18
Wind Gust (mph) 36 33 40 39 35 37 34 37 40 42 40
Precip Prob (%) 0 0 0 0 5 0 0 0 0 0 50 70 70 70 40 40 5
Precip Type R R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.12 0.09 0.03
12 Hour QPF 0.00 0.00 0.12 0.12
Low End QPF 0.00 0.00 0.05 0.00
High End QPF 0.00 0.05 0.37 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) 11.5 11.5 11.4 11.4 11.2 10.9 10.8 11.1 11.4 11.7 11.8 11.6 11.3 9.8 9.3 9.6 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50 100 100
...Centennial Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 CL CL SC OV OV OV OV OV OV SC SC SC
Cloud Cover (%) 5 5 10 20 10 0 5 35 90 95 95 90 100 75 40 35 45
Temperature 62 53 50 48 47 52 60 65 64 55 50 48 45 43 46 52 50
Min/Max Temp 47 66 42 52
Wind Dir S S SE SE SE S S S S S SE SE S S S SW SW
Wind (mph) 12 5 10 11 9 9 16 17 12 11 12 13 20 23 24 21 19
Wind Gust (mph) 31 31 42 36
Precip Prob (%) 0 0 0 0 0 0 0 0 0 10 70 70 60 60 20 20 5
Precip Type T R R R R T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.04 0.23 0.14 0.01
12 Hour QPF 0.00 0.00 0.27 0.15
Low End QPF 0.00 0.00 0.04 0.00
High End QPF 0.00 0.11 0.55 0.19
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) 11.7 11.7 11.4 11.3 11.3 10.8 10.7 11.2 11.7 12.0 12.0 11.9 11.3 9.7 9.2 9.5 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50 100 100
...Anaconda/Highland Ranges...
Date Sunday 09/06/26 Monday 09/07/26
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 BK OV OV BK SC SC BK BK OV OV OV OV OV OV BK
Cloud Cover (%) 55 35 55 80 70 60 30 40 65 55 85 95 100 90 70 70 60
Temperature 60 51 47 46 45 47 58 63 60 50 45 44 43 43 45 47 46
Min/Max Temp 45 64 42 48
Wind Dir S S NE SW N E SE SW W N N NW W SW W W W
Wind (mph) 5 5 6 6 5 4 4 5 8 6 6 5 5 9 12 13 12
Wind Gust (mph) 27 33 34 29
Precip Prob (%) 60 10 40 60 30 5 0 30 40 10 10 100 90 90 70 70 10
Precip Type R R R R T T R R R R R R
6 Hour QPF 0.06 0.11 0.00 0.02 0.01 0.19 0.35 0.13
12 Hour QPF 0.17 0.02 0.20 0.48
Low End QPF 0.00 0.01 0.15 0.02
High End QPF 0.19 0.13 0.55 0.58
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) 12.0 11.7 11.4 11.3 11.1 10.9 10.9 11.5 11.6 11.4 11.3 11.3 10.7 9.3 9.0 9.2 9.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 100 50 50 33 50 50
...Pioneer Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 BK BK BK SC FW SC BK BK OV OV OV OV BK BK BK
Cloud Cover (%) 50 25 60 70 60 50 20 45 65 55 75 90 100 85 65 65 55
Temperature 59 50 47 45 44 46 58 64 61 50 46 43 42 41 45 47 46
Min/Max Temp 44 64 40 48
Wind Dir S SE S S E E SE S SW NW E W SW SW SW W W
Wind (mph) 6 4 5 4 4 4 6 9 8 6 5 5 8 11 14 16 13
Wind Gust (mph) 28 29 33 31 25 24 23 25 29 36 34 32
Precip Prob (%) 20 5 10 10 5 0 0 10 10 0 5 80 80 80 50 50 10
Precip Type R R R T T R R R T R
6 Hour QPF 0.02 0.02 0.00 0.00 0.00 0.11 0.24 0.09
12 Hour QPF 0.04 0.00 0.11 0.33
Low End QPF 0.00 0.00 0.09 0.00
High End QPF 0.10 0.11 0.45 0.39
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) 12.1 11.7 11.5 11.4 11.2 10.9 11.1 11.7 11.6 11.3 11.4 11.4 10.8 9.4 9.0 9.3 9.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 100 100 50 33 50 50
...Beaverhead/Tendoy Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 BK BK SC FW SC BK BK OV OV OV OV SC BK SC
Cloud Cover (%) 30 20 45 60 55 35 10 30 65 70 85 95 85 75 45 50 45
Temperature 60 51 48 46 45 49 60 64 61 51 46 44 42 42 47 50 48
Min/Max Temp 45 64 40 51
Wind Dir S S S S S SE SE S SW S S SW SW SW SW W W
Wind (mph) 12 6 6 5 5 5 10 16 12 8 9 10 12 16 17 16 13
Wind Gust (mph) 36 33 40 40 27 33 29 33 31
Precip Prob (%) 5 5 5 5 5 0 0 5 10 0 20 80 60 60 20 20 5
Precip Type R R R T T T R R R T T
6 Hour QPF 0.02 0.03 0.00 0.00 0.00 0.11 0.16 0.06
12 Hour QPF 0.05 0.00 0.11 0.22
Low End QPF 0.00 0.00 0.08 0.00
High End QPF 0.08 0.08 0.39 0.26
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) 11.8 11.5 11.5 11.4 11.2 11.0 11.1 11.4 11.4 11.4 11.4 11.3 10.8 9.1 8.9 9.3 9.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 100 50 50 33 50 50
...Absoraka-Beartooth/Cooke City Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 SC OV OV OV OV OV BK BK SC SC
Cloud Cover (%) 20 15 15 15 20 5 0 45 90 95 95 90 90 65 55 40 40
Temperature 62 49 44 43 42 49 61 65 62 51 47 45 42 42 45 49 46
Min/Max Temp 42 65 40 50
Wind Dir SW S S SE S S SW S S S S SW S SW SW SW SW
Wind (mph) 10 5 5 5 5 6 12 14 8 5 5 8 11 19 24 27 27
Wind Gust (mph) 27 34 43 47 50 49
Precip Prob (%) 0 0 0 0 0 0 0 0 10 20 30 70 50 50 20 20 10
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.04 0.02 0.01
12 Hour QPF 0.00 0.00 0.06 0.03
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.00 0.07 0.27 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) 12.3 12.2 11.8 11.5 11.5 11.2 11.5 11.6 12.3 12.3 12.2 12.1 11.8 11.2 10.5 9.6 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 100 100 100 100 50 50 50
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Sunday 09/06/26 Monday 09/07/26
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 OV OV OV BK SC SC SC FW
Cloud Cover (%) 30 20 10 15 15 5 5 35 90 90 95 85 60 45 30 35 25
Temperature 63 53 49 47 46 52 63 67 64 55 52 49 46 47 52 54 52
Min/Max Temp 46 67 45 55
Wind Dir SE S S S S S S S S S SW SW SW SW SW SW SW
Wind (mph) 10 6 6 5 5 6 10 11 8 8 8 9 12 19 25 27 27
Wind Gust (mph) 29 32 26 24 29 32 26 34 43 55 56 57 57
Precip Prob (%) 5 0 0 0 0 0 0 0 10 30 50 50 20 20 10 10 5
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.03 0.01 0.00
12 Hour QPF 0.00 0.00 0.05 0.01
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.01 0.06 0.17 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) 12.5 12.3 11.9 11.6 11.6 11.3 11.5 11.8 12.3 12.4 12.3 12.1 11.9 11.3 10.6 9.6 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100 100
...Absoraka Mountains Above 6000ft West Facing...
Date Sunday 09/06/26 Monday 09/07/26
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 SC OV OV OV OV OV BK SC SC SC
Cloud Cover (%) 15 10 10 15 15 5 5 45 85 95 95 85 80 70 50 45 40
Temperature 65 54 49 46 45 51 63 68 66 56 51 48 45 45 48 53 50
Min/Max Temp 44 69 43 54
Wind Dir S S S SE S S S SW S S S S S SW SW SW SW
Wind (mph) 10 4 4 5 5 5 11 13 8 6 6 8 11 17 21 24 21
Wind Gust (mph) 34 21 25 28 34 37 35 25 27 35 40 46 52 57 56
Precip Prob (%) 0 0 0 0 0 0 0 0 0 5 50 50 50 50 20 20 10
Precip Type R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.08 0.03 0.01
12 Hour QPF 0.00 0.00 0.10 0.04
Low End QPF 0.00 0.00 0.02 0.00
High End QPF 0.00 0.07 0.31 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) 12.1 12.0 11.6 11.4 11.4 11.1 11.2 11.5 12.1 12.2 12.1 12.0 11.7 10.8 9.9 9.6 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100 100
...Crazy Mountains...
Date Sunday 09/06/26 Monday 09/07/26
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 OV OV OV OV OV OV BK BK SC
Cloud Cover (%) 15 15 10 15 25 20 5 15 80 85 95 95 75 75 65 65 30
Temperature 65 56 51 48 47 52 63 69 67 56 53 51 49 49 54 56 53
Min/Max Temp 47 70 47 58
Wind Dir SE E SE SE S SE S SE E E S SW SW SW SW SW W
Wind (mph) 14 16 11 9 8 5 9 11 11 10 8 6 8 11 24 31 33
Wind Gust (mph) 35 28 48 57 62
Precip Prob (%) 0 0 0 0 0 0 0 0 10 30 70 40 60 60 50 50 20
Precip Type T R R R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.02 0.07 0.02 0.03
12 Hour QPF 0.00 0.00 0.09 0.05
Low End QPF 0.00 0.00 0.02 0.00
High End QPF 0.01 0.11 0.34 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) 12.0 12.1 11.9 11.5 11.3 11.3 11.1 11.8 12.3 12.3 12.0 11.8 11.7 11.0 10.5 9.8 9.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain