Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
668
FWUS45 KTFX 292201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Sat Aug 29 2026
...Glacier National Park/Marias Pass...
Date Sunday 08/30/26 Monday 08/31/26
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 BK BK BK SC BK BK BK SC SC FW SC SC FW CL CL CL
Cloud Cover (%) 30 55 50 55 50 70 65 65 45 30 20 30 40 10 5 5 5
Temperature 57 49 45 43 41 40 40 43 44 42 42 41 41 45 53 59 60
Min/Max Temp 39 45 40 60
Wind Dir SW SW SW SW SW SW SW W W W W SW SW SW SW W W
Wind (mph) 13 12 14 16 19 21 21 21 23 23 18 16 13 12 11 11 11
Wind Gust (mph) 33 39 44 48 47 48 54 58 54 44 31
Precip Prob (%) 10 5 0 0 5 50 40 40 5 0 0 0 0 0 0 0 0
Precip Type R R R R S S R
6 Hour QPF 0.00 0.00 0.02 0.02 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.04 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.09 0.12 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 10.4 9.3 8.1 7.4 7.0 7.0 7.3 7.8 8.6 8.6 8.7 9.1 9.3 9.5 9.7 10.0 10.2
Snow Density (%) 0 0 100 50 33 25 25 33 50 100 100 0 0 0 0 0 0
...Bob Marshall/Scapegoat Wilderness...
Date Sunday 08/30/26 Monday 08/31/26
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 SC SC SC SC FW FW FW FW SC CL CL CL CL
Cloud Cover (%) 65 45 70 50 45 35 45 40 25 25 15 15 30 5 0 5 5
Temperature 58 50 46 43 40 40 43 46 46 42 41 40 39 44 56 63 64
Min/Max Temp 39 47 38 65
Wind Dir W W W W W W W W W W W W W W W W W
Wind (mph) 9 8 9 10 11 16 19 19 18 16 12 10 9 6 6 8 6
Wind Gust (mph) 28 33 39 44 44 51 55 54 44 28
Precip Prob (%) 60 30 50 20 10 5 10 10 0 0 0 0 0 0 0 0 0
Precip Type R R R R R R
6 Hour QPF 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.02 0.00 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.28 0.04 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.1 10.5 9.7 8.9 7.8 7.2 7.6 8.1 8.6 8.5 8.5 9.0 9.4 9.5 9.7 10.2 10.6
Snow Density (%) 0 0 0 100 33 25 33 33 50 100 100 0 0 0 0 0 0
...Nevada Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV BK FW FW FW FW SC FW FW SC FW CL CL CL
Cloud Cover (%) 65 70 60 80 65 25 25 15 15 30 20 15 30 5 0 5 5
Temperature 59 54 51 47 44 43 46 51 51 47 46 44 43 46 57 65 66
Min/Max Temp 42 52 42 67
Wind Dir SW W W W W W W W W W W W W SW SW W W
Wind (mph) 6 6 9 10 11 13 18 18 14 12 11 9 8 5 6 6 5
Wind Gust (mph) 28 35 34 32 31
Precip Prob (%) 50 50 40 70 10 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T R R
6 Hour QPF 0.01 0.02 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.03 0.01 0.00 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.27 0.01 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.5 11.2 10.8 10.1 8.5 7.4 7.7 8.4 8.7 8.5 8.2 8.6 8.8 9.0 9.4 10.1 10.5
Snow Density (%) 0 0 0 0 100 50 50 100 0 0 0 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV BK SC SC FW SC SC FW FW FW CL CL FW FW
Cloud Cover (%) 70 65 60 90 65 35 25 10 25 35 20 15 20 5 0 5 5
Temperature 60 52 48 45 42 42 48 53 53 45 42 40 40 46 59 66 66
Min/Max Temp 41 54 39 68
Wind Dir SW NW W W W W W W W W W W W SW SW SW W
Wind (mph) 8 5 6 8 9 9 12 14 12 9 8 6 5 4 5 6 5
Wind Gust (mph) 33 32
Precip Prob (%) 50 40 40 90 20 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type T R R R R R
6 Hour QPF 0.02 0.03 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.05 0.01 0.00 0.00
Low End QPF 0.04 0.00 0.00 0.00
High End QPF 0.28 0.01 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) 12.0 11.7 11.3 10.6 9.7 8.4 8.4 8.8 9.0 8.7 8.2 8.1 7.9 8.3 9.1 10.3 10.9
Snow Density (%) 0 0 0 0 100 50 50 0 0 0 0 0 0 0 0 0 0
...Big Belt Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV BK SC FW FW FW FW FW FW CL CL CL CL
Cloud Cover (%) 70 75 65 80 85 50 25 15 20 25 15 15 20 0 0 0 5
Temperature 63 55 52 50 47 45 48 53 54 48 46 45 44 48 58 66 68
Min/Max Temp 45 54 43 68
Wind Dir SW S SW W W W W W W W W SW SW SW SW SW W
Wind (mph) 8 5 5 5 9 10 14 16 14 10 8 8 8 6 8 6 4
Wind Gust (mph) 31 36 35 34 29 33 27
Precip Prob (%) 60 60 50 70 50 20 5 5 0 0 0 0 0 0 0 0 0
Precip Type R T R R R R
6 Hour QPF 0.04 0.07 0.02 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.11 0.02 0.00 0.00
Low End QPF 0.05 0.00 0.00 0.00
High End QPF 0.34 0.03 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.9 11.7 11.4 10.8 9.9 8.3 8.0 8.6 8.9 8.7 8.3 8.3 8.4 8.6 9.1 10.0 10.5
Snow Density (%) 0 0 0 0 100 50 100 0 0 0 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV SC FW FW FW FW FW FW CL CL CL CL
Cloud Cover (%) 80 55 65 80 85 75 30 25 10 10 15 15 20 0 0 0 0
Temperature 65 55 51 49 46 45 49 53 53 46 44 43 42 49 60 67 67
Min/Max Temp 44 53 41 69
Wind Dir SW S SW W W W W W W W W SW SW SW W W W
Wind (mph) 8 6 5 3 4 9 16 19 18 14 11 10 10 9 9 9 5
Wind Gust (mph) 26 34 40 42 42 44 35
Precip Prob (%) 80 30 50 70 70 50 5 5 0 0 0 0 0 0 0 0 0
Precip Type R R R R R R
6 Hour QPF 0.05 0.09 0.12 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.14 0.13 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.29 0.16 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.9 11.8 11.6 11.3 10.4 9.0 8.2 8.7 8.9 8.6 8.3 8.2 8.4 8.8 9.1 10.1 10.5
Snow Density (%) 0 0 0 0 0 100 50 100 0 0 0 0 0 0 0 0 0
...Highwood Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV BK OV OV FW FW SC FW FW FW SC CL CL CL CL
Cloud Cover (%) 90 65 70 65 80 75 15 15 35 15 10 20 30 0 0 0 5
Temperature 64 57 54 52 49 48 51 55 54 50 49 48 48 52 60 66 67
Min/Max Temp 47 55 46 68
Wind Dir W S W W W W W W W W W W W W W W NW
Wind (mph) 5 6 9 10 12 12 19 25 23 19 18 16 13 10 10 8 4
Wind Gust (mph) 40 44 39
Precip Prob (%) 90 50 60 40 70 30 5 5 0 0 0 0 0 0 0 0 0
Precip Type R R R R R R
6 Hour QPF 0.04 0.07 0.07 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.11 0.08 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.30 0.10 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.7 11.6 11.4 11.2 10.0 8.8 7.6 8.3 8.6 8.5 8.3 8.4 8.5 8.8 9.8 10.0 10.3
Snow Density (%) 0 0 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV SC SC FW FW FW FW SC CL CL CL FW
Cloud Cover (%) 65 70 55 65 75 90 50 35 15 15 10 15 35 0 0 5 10
Temperature 70 60 55 53 50 50 52 57 57 50 48 46 45 52 63 69 70
Min/Max Temp 48 59 43 71
Wind Dir S W SW W W NW W W W W W W W W W W NW
Wind (mph) 6 6 6 9 10 11 10 14 13 11 10 10 9 8 6 5 4
Wind Gust (mph) 31 28 28 32 41 39 41 40 31
Precip Prob (%) 40 40 30 50 50 60 20 5 0 0 0 0 0 0 0 0 0
Precip Type T R R R R R R
6 Hour QPF 0.05 0.01 0.13 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.06 0.14 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.18 0.17 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.9 11.9 11.8 11.7 11.1 10.5 9.2 8.9 9.0 8.7 8.3 8.2 8.5 9.0 9.6 10.0 10.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV OV SC SC SC FW FW FW SC CL CL CL CL
Cloud Cover (%) 80 70 70 75 80 70 45 25 40 20 20 20 45 5 0 0 0
Temperature 72 58 54 52 49 49 52 55 54 47 46 45 44 52 61 67 67
Min/Max Temp 47 57 43 68
Wind Dir SW S SW W W NW W W W W W W W W W W W
Wind (mph) 8 6 4 6 11 12 12 17 18 19 19 16 13 11 11 9 4
Wind Gust (mph) 35 47 44 34
Precip Prob (%) 70 40 50 60 60 40 5 10 5 0 0 0 0 0 0 0 0
Precip Type R R R R R R
6 Hour QPF 0.05 0.07 0.12 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.12 0.13 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.25 0.16 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.8 11.8 11.6 11.4 10.9 9.5 8.4 7.9 8.3 8.5 8.8 8.9 8.7 8.8 9.1 9.7 10.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV FW FW FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 75 50 50 75 85 80 20 15 15 15 20 15 25 0 0 0 5
Temperature 65 55 52 50 47 46 49 54 54 47 45 43 42 48 60 67 68
Min/Max Temp 45 55 41 69
Wind Dir SW SE SW SW W W W W W W W SW SW SW W W W
Wind (mph) 11 8 8 6 9 12 18 21 19 11 9 9 9 8 11 11 6
Wind Gust (mph) 44 50 48 34 29 29
Precip Prob (%) 60 30 30 60 70 60 5 0 0 0 0 0 0 0 0 0 0
Precip Type R R R R R R
6 Hour QPF 0.02 0.04 0.10 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.06 0.11 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.28 0.13 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) 12.0 12.0 11.7 11.2 10.8 9.4 8.7 9.1 9.2 8.9 8.4 8.1 8.1 8.5 9.1 10.0 10.3
Snow Density (%) 0 0 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Sunday 08/30/26 Monday 08/31/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV SC BK OV OV OV FW FW FW FW FW FW SC CL CL CL FW
Cloud Cover (%) 70 50 55 75 80 75 15 10 20 15 20 15 25 0 0 5 10
Temperature 64 54 51 48 47 45 49 54 55 46 44 42 41 48 60 68 67
Min/Max Temp 45 55 41 69
Wind Dir SW SE SW SW W W W W W W SW SW SW SW W W W
Wind (mph) 9 5 4 4 5 8 11 14 12 4 3 3 4 3 5 6 3
Wind Gust (mph) 34 31
Precip Prob (%) 60 30 40 60 70 50 5 0 0 0 0 0 0 0 0 0 0
Precip Type R R R R R R
6 Hour QPF 0.01 0.04 0.08 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.05 0.09 0.00 0.00
Low End QPF 0.04 0.00 0.00 0.00
High End QPF 0.28 0.11 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) 12.1 12.0 11.7 11.1 10.8 9.5 8.8 9.2 9.3 9.1 8.6 8.3 8.4 8.6 9.1 9.8 10.4
Snow Density (%) 0 0 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV BK FW FW FW SC SC FW FW CL CL FW FW
Cloud Cover (%) 80 65 70 85 70 65 20 10 10 25 40 20 25 0 0 5 10
Temperature 54 49 46 45 43 43 47 53 51 44 41 39 38 44 58 63 60
Min/Max Temp 41 53 37 63
Wind Dir SW S SW S S SW W W W SW S S S S SW SW SW
Wind (mph) 12 13 11 9 9 10 13 16 12 8 6 6 6 6 8 10 8
Wind Gust (mph) 29 36 32 31 27 28 32 39 33
Precip Prob (%) 70 50 60 80 50 50 5 0 0 0 0 0 0 0 0 0 0
Precip Type R R R R T R
6 Hour QPF 0.06 0.06 0.07 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.12 0.08 0.00 0.00
Low End QPF 0.06 0.00 0.00 0.00
High End QPF 0.32 0.09 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) 12.3 12.1 11.7 11.4 11.0 10.2 9.5 9.8 9.9 9.6 9.2 8.9 8.6 8.7 9.5 10.5 11.0
Snow Density (%) 0 0 0 100 100 50 50 100 0 0 0 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV BK BK FW FW FW FW SC FW FW CL CL FW FW
Cloud Cover (%) 75 65 75 80 70 65 20 10 15 25 35 20 25 0 0 5 10
Temperature 58 51 48 46 44 43 48 54 53 45 42 40 39 44 60 66 63
Min/Max Temp 42 54 38 66
Wind Dir SW S SW S SW W W W W W SW SW S S SW W W
Wind (mph) 11 12 10 8 8 10 12 14 12 8 6 6 6 6 6 8 6
Wind Gust (mph) 32 29 31 36 31
Precip Prob (%) 60 40 60 70 50 50 10 0 0 0 0 0 0 0 0 0 0
Precip Type T R R R R R
6 Hour QPF 0.04 0.02 0.05 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.06 0.06 0.00 0.00
Low End QPF 0.04 0.00 0.00 0.00
High End QPF 0.25 0.08 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) 12.3 12.1 11.6 11.3 11.0 10.1 9.4 9.7 9.7 9.4 9.1 9.0 8.6 8.8 9.7 10.7 11.1
Snow Density (%) 0 0 0 0 100 50 100 0 0 0 0 0 0 0 0 0 0
...Lionhead Range...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV OV SC FW FW SC SC FW SC CL CL CL FW
Cloud Cover (%) 55 55 70 90 90 85 30 15 25 30 25 20 25 5 0 5 10
Temperature 55 48 46 44 42 43 49 56 52 44 41 37 35 42 59 65 60
Min/Max Temp 40 56 34 65
Wind Dir SW S S S SW SW SW SW SW S S S S S SW SW SW
Wind (mph) 9 6 6 6 9 13 14 16 12 9 4 3 3 2 9 10 5
Wind Gust (mph) 33 28
Precip Prob (%) 30 30 60 90 90 70 10 0 0 0 0 0 0 0 0 0 5
Precip Type T T R R R R
6 Hour QPF 0.05 0.18 0.17 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.23 0.18 0.00 0.00
Low End QPF 0.06 0.00 0.00 0.00
High End QPF 0.40 0.21 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) 12.5 12.3 12.1 11.7 11.3 10.8 10.4 10.3 9.9 9.4 8.8 8.4 8.3 8.6 9.3 10.7 11.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV SC CL FW FW SC FW FW FW CL CL CL FW
Cloud Cover (%) 60 60 70 85 70 40 5 10 20 40 25 15 25 0 0 5 5
Temperature 58 51 47 45 43 43 47 52 52 44 42 41 40 46 57 64 64
Min/Max Temp 42 54 39 65
Wind Dir SW SW SW SW SW W W W W W SW SW SW SW SW SW SW
Wind (mph) 14 10 6 8 8 8 14 17 12 5 5 5 5 5 6 8 6
Wind Gust (mph) 32 36 32
Precip Prob (%) 40 40 60 80 50 20 5 0 0 0 0 0 0 0 0 0 0
Precip Type T R R R R S
6 Hour QPF 0.01 0.02 0.02 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.03 0.02 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.26 0.03 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) 12.1 11.9 11.3 10.9 10.6 9.3 8.9 9.3 9.5 9.3 8.9 8.7 8.5 8.5 9.2 10.0 10.6
Snow Density (%) 0 0 0 0 100 50 50 100 0 0 0 0 0 0 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV BK SC FW FW FW SC SC FW FW CL CL CL FW
Cloud Cover (%) 70 60 70 80 60 30 5 5 20 30 40 20 15 0 0 5 10
Temperature 57 51 48 46 44 45 51 57 54 46 43 41 40 45 59 66 63
Min/Max Temp 43 57 39 66
Wind Dir SW S S S SW W W W W SW S S S S S SW S
Wind (mph) 16 14 10 10 9 9 13 17 11 8 5 6 6 6 8 10 10
Wind Gust (mph) 34 28 31
Precip Prob (%) 60 40 60 70 40 10 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R R R R T
6 Hour QPF 0.02 0.03 0.02 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.05 0.02 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.26 0.02 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) 12.3 11.7 11.4 11.2 10.6 9.6 9.2 9.5 9.8 9.6 9.4 9.0 8.5 8.5 9.3 10.5 11.0
Snow Density (%) 0 0 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV BK FW FW SC SC SC SC FW CL CL CL FW
Cloud Cover (%) 60 55 80 80 80 55 20 15 30 30 40 35 20 0 0 5 15
Temperature 56 50 48 47 45 45 49 55 52 45 42 40 38 44 57 63 60
Min/Max Temp 44 55 38 63
Wind Dir SW S S S S SW SW SW SW S SE SE E SE S S S
Wind (mph) 13 12 9 9 6 11 13 16 12 8 4 4 5 5 9 11 9
Wind Gust (mph) 34
Precip Prob (%) 40 30 70 70 60 40 5 0 0 0 0 0 0 0 0 0 5
Precip Type T T R R R R
6 Hour QPF 0.02 0.09 0.05 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.11 0.06 0.00 0.00
Low End QPF 0.06 0.00 0.00 0.00
High End QPF 0.41 0.06 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) 12.4 12.1 11.9 11.5 11.0 10.4 10.1 10.0 9.9 9.5 9.2 9.0 8.7 8.8 9.3 10.4 11.1
Snow Density (%) 0 0 0 0 0 100 100 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV BK FW FW FW SC SC FW FW FW CL CL CL CL
Cloud Cover (%) 45 35 70 75 60 20 5 10 30 40 15 10 20 0 0 5 5
Temperature 60 51 47 43 40 40 47 53 53 44 41 39 38 44 58 66 67
Min/Max Temp 39 54 37 68
Wind Dir W NW NW NW W W W W W NW W SW SW S SW SW SW
Wind (mph) 12 9 6 8 6 6 10 12 10 5 3 2 3 3 5 6 5
Wind Gust (mph) 31 27
Precip Prob (%) 20 10 60 30 5 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T R R R
6 Hour QPF 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.01 0.01 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.21 0.01 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.6 11.2 10.7 10.1 9.0 8.2 8.4 8.9 9.2 8.9 8.5 8.2 8.1 8.1 9.0 10.2 10.7
Snow Density (%) 0 0 0 100 50 33 50 100 0 0 0 0 0 0 0 0 0
...Pioneer Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 BK OV BK FW FW FW SC SC FW FW FW CL CL FW FW
Cloud Cover (%) 35 40 65 70 55 25 5 10 35 45 15 10 25 0 0 5 5
Temperature 61 52 47 44 40 40 47 54 53 45 41 39 39 45 59 67 66
Min/Max Temp 39 54 38 68
Wind Dir SW W SW SW W W W W W NW W W SW SW SW SW SW
Wind (mph) 13 9 5 8 8 10 12 14 11 6 5 4 4 4 6 8 6
Wind Gust (mph) 33 29
Precip Prob (%) 10 5 50 40 10 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type R R
6 Hour QPF 0.00 0.02 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.02 0.01 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.18 0.01 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.6 11.3 10.7 10.3 9.4 8.5 8.6 9.1 9.4 9.2 8.8 8.5 8.1 8.1 9.2 10.4 10.7
Snow Density (%) 0 0 0 100 50 33 50 100 0 0 0 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 BK OV BK SC FW CL FW SC SC SC FW FW CL CL FW FW
Cloud Cover (%) 40 55 70 65 50 20 5 10 30 40 25 20 20 0 0 5 10
Temperature 59 51 47 44 41 42 50 56 54 46 42 39 38 45 59 66 64
Min/Max Temp 40 57 37 67
Wind Dir SW SW SW SW SW W W W W W W SW SW S SW SW SW
Wind (mph) 16 11 8 9 8 9 12 13 9 5 3 3 4 4 6 9 8
Wind Gust (mph) 31
Precip Prob (%) 10 20 60 40 10 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type T R R R R
6 Hour QPF 0.01 0.02 0.01 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.03 0.01 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.18 0.01 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 11.7 11.3 10.9 10.6 9.8 8.7 8.6 9.3 9.6 9.4 9.1 8.6 8.2 8.1 9.2 10.3 10.9
Snow Density (%) 0 0 0 100 100 50 100 0 0 0 0 0 0 0 0 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Sunday 08/30/26 Monday 08/31/26
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 OV SC SC SC FW FW FW FW CL CL FW FW
Cloud Cover (%) 60 45 60 80 90 85 50 25 35 20 25 20 25 0 0 10 20
Temperature 52 45 43 42 41 39 43 48 46 38 36 34 34 40 55 61 57
Min/Max Temp 39 48 33 61
Wind Dir SW SW S SW SW SW SW SW SW SW SW S S SW SW SW SW
Wind (mph) 13 13 12 10 11 16 18 21 18 13 9 8 8 9 11 12 10
Wind Gust (mph) 32 29 34 37 44 48 40 32 26 27
Precip Prob (%) 40 20 30 70 80 80 20 5 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.01 0.03 0.12 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.04 0.13 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.18 0.21 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) 12.3 12.3 12.1 11.8 11.4 11.1 10.5 10.5 10.5 10.1 9.2 8.6 8.3 8.6 9.8 10.8 11.1
Snow Density (%) 0 0 0 100 50 50 50 100 100 100 100 100 100 100 0 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Sunday 08/30/26 Monday 08/31/26
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 OV SC FW SC FW SC FW SC CL CL FW FW
Cloud Cover (%) 55 45 55 70 75 80 30 15 25 25 25 20 30 5 0 5 15
Temperature 58 51 49 47 45 45 48 52 51 44 42 41 40 46 59 64 61
Min/Max Temp 44 53 40 64
Wind Dir SW SW SW SW SW SW W W W SW SW SW SW SW SW W W
Wind (mph) 12 16 14 12 12 17 19 19 16 13 13 13 14 12 10 10 8
Wind Gust (mph) 33 36 35 35 44 55 54 57 50 36 35 40 39 39 29 31 28
Precip Prob (%) 30 10 20 40 50 70 10 5 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.01 0.01 0.10 0.02 0.00 0.00 0.00 0.00
12 Hour QPF 0.02 0.12 0.00 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.11 0.16 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) 12.3 12.2 11.9 11.7 11.3 10.8 10.2 10.3 10.3 10.0 9.3 8.9 8.6 8.9 9.8 10.9 11.2
Snow Density (%) 0 0 0 0 100 50 50 100 100 100 100 100 0 0 0 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Sunday 08/30/26 Monday 08/31/26
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 OV OV OV SC FW FW FW SC FW SC CL CL FW FW
Cloud Cover (%) 65 55 65 80 85 80 30 15 20 20 25 20 25 0 0 10 15
Temperature 56 49 47 45 43 43 48 53 51 44 41 38 37 43 59 65 62
Min/Max Temp 41 54 36 65
Wind Dir SW S SW SW SW SW W W W SW SW S S S SW SW SW
Wind (mph) 12 12 10 9 9 12 16 18 14 10 8 6 6 8 9 11 9
Wind Gust (mph) 32 37 33 31 36 47 51 54 47 42 35 34 31 32 28 31 27
Precip Prob (%) 50 30 50 70 80 70 10 5 0 0 0 0 0 0 0 0 0
Precip Type T R R R T R
6 Hour QPF 0.03 0.06 0.11 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.09 0.12 0.00 0.00
Low End QPF 0.03 0.00 0.00 0.00
High End QPF 0.24 0.15 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) 12.4 12.3 11.9 11.6 11.2 10.7 10.2 10.2 10.2 9.7 9.1 8.7 8.4 8.7 9.7 10.7 11.1
Snow Density (%) 0 0 0 0 100 100 100 0 0 0 0 0 0 0 0 0 0
...Crazy Mountains...
Date Sunday 08/30/26 Monday 08/31/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV SC SC OV OV OV FW CL FW FW FW FW SC CL CL CL FW
Cloud Cover (%) 80 50 45 70 75 75 25 5 20 15 20 20 30 5 0 0 10
Temperature 63 54 50 48 45 45 49 53 53 46 43 42 41 48 60 66 65
Min/Max Temp 44 54 40 67
Wind Dir SW SW SW W W W W W W W W W W W W W W
Wind (mph) 10 10 10 9 10 12 20 24 21 12 11 11 11 9 9 10 6
Wind Gust (mph) 44 50 49 33 28 31
Precip Prob (%) 70 10 20 60 50 60 10 0 0 0 0 0 0 0 0 0 0
Precip Type R T R R R R
6 Hour QPF 0.01 0.01 0.07 0.02 0.00 0.00 0.00 0.00
12 Hour QPF 0.02 0.09 0.00 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.22 0.10 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) 12.1 12.1 11.9 11.3 11.0 9.8 9.1 9.3 9.4 9.2 8.6 8.3 8.3 8.7 9.3 10.2 10.5
Snow Density (%) 0 0 0 0 0 100 50 100 0 0 0 0 0 0 0 0 0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain