Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
636
FWUS45 KTFX 212201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Fri Aug 21 2026
...Glacier National Park/Marias Pass...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK OV OV BK SC BK OV SC BK BK SC FW FW FW
Cloud Cover (%) 40 45 60 60 80 95 60 30 65 70 50 50 60 25 15 15 5
Temperature 72 63 60 59 59 60 67 73 72 64 62 60 58 59 63 65 62
Min/Max Temp 56 74 56 65
Wind Dir E SE SE SE S S S SW SW SW SW SW SW SW SW SW SW
Wind (mph) 6 6 6 5 4 5 5 8 6 8 10 11 11 12 18 23 24
Wind Gust (mph) 37 42 46
Precip Prob (%) 0 5 5 10 20 20 10 20 20 20 20 30 5 5 5 5 0
Precip Type R R R T T T T T 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 0.04 0.03 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) 12.3 12.2 12.5 13.1 13.2 13.7 13.8 13.5 13.4 13.3 13.1 12.7 12.5 12.2 11.8 11.3 10.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bob Marshall/Scapegoat Wilderness...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV SC SC OV OV SC BK SC FW FW FW FW
Cloud Cover (%) 35 70 75 65 80 85 50 40 80 85 50 55 45 25 15 15 5
Temperature 74 64 60 59 59 61 70 75 73 63 59 57 56 59 67 69 67
Min/Max Temp 57 77 55 70
Wind Dir E E E SE S SW S SW SW SW SW SW SW SW SW W W
Wind (mph) 6 6 6 4 3 3 5 8 5 5 6 6 6 6 11 17 17
Wind Gust (mph) 31 36 40
Precip Prob (%) 0 5 10 20 20 20 10 20 40 30 10 10 5 5 5 5 0
Precip Type R R R T T R R T 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 0.10 0.01 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) 13.0 12.9 13.2 13.5 13.9 14.2 14.0 13.8 13.7 13.7 13.5 13.1 12.7 12.6 12.3 12.0 11.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Nevada Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK OV OV BK BK OV OV SC BK SC FW SC SC FW
Cloud Cover (%) 30 80 65 60 80 85 60 55 80 90 45 55 45 20 30 30 10
Temperature 78 69 67 64 63 63 71 77 75 66 63 60 58 61 70 73 70
Min/Max Temp 61 79 57 74
Wind Dir NE NE NE E S SW S SW W S SW SW SW SW SW W W
Wind (mph) 6 6 5 4 3 3 5 6 5 6 6 5 5 5 10 14 13
Wind Gust (mph) 32
Precip Prob (%) 0 5 10 20 20 10 20 20 40 20 10 0 0 0 20 20 0
Precip Type R R R T T R T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.06 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.06 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.10 0.07 0.07
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) 13.3 13.4 13.6 13.8 14.2 14.3 14.1 14.1 14.0 13.9 13.7 13.3 13.0 12.9 12.7 12.6 12.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV BK BK OV OV SC SC BK FW BK BK FW
Cloud Cover (%) 50 70 60 70 85 90 70 55 90 85 45 50 50 25 55 55 25
Temperature 78 68 63 61 60 61 71 76 72 61 58 56 55 60 71 73 70
Min/Max Temp 59 77 54 74
Wind Dir NE NE E SE S SW S SW W W S SW SW S SW W W
Wind (mph) 5 5 5 5 4 5 8 6 5 6 6 8 6 5 11 13 11
Wind Gust (mph) 25 33
Precip Prob (%) 0 10 20 20 20 20 20 30 50 30 5 5 5 5 30 30 5
Precip Type T R R R R T T R R R R
6 Hour QPF 0.00 0.00 0.00 0.01 0.08 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 0.08 0.00
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.01 0.17 0.10 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) 13.9 13.8 13.9 14.2 14.4 14.5 14.3 14.4 14.4 14.2 13.9 13.6 13.3 13.2 13.0 12.9 12.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Big Belt Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 SC BK OV OV SC OV OV OV SC BK SC SC SC FW
Cloud Cover (%) 30 55 60 45 70 80 85 50 80 95 70 45 60 30 40 40 25
Temperature 79 70 66 63 62 63 70 77 76 67 64 61 59 62 72 75 72
Min/Max Temp 61 79 59 76
Wind Dir NE NE SE SE SE S S S S SW S S S S SW W W
Wind (mph) 6 8 9 9 6 5 6 8 5 8 8 8 8 8 10 13 11
Wind Gust (mph) 29 33 33 29
Precip Prob (%) 0 5 10 10 20 20 10 20 40 30 5 0 0 0 20 20 5
Precip Type R R R T T R R T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.04 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.04 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.14 0.05 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) 13.2 13.3 13.4 13.6 14.2 14.4 14.3 14.2 14.2 14.1 13.8 13.4 13.3 13.0 13.0 13.0 12.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW SC BK BK BK BK OV BK BK OV OV OV BK FW SC SC SC
Cloud Cover (%) 25 45 55 55 60 55 80 70 65 80 95 75 55 25 50 50 30
Temperature 77 67 63 61 60 64 74 78 75 66 63 61 59 65 75 77 73
Min/Max Temp 59 79 58 78
Wind Dir NE SE S S S S SW S S SW SW SW SW SW SW SW W
Wind (mph) 6 8 11 11 9 8 8 8 6 9 9 8 8 8 10 13 11
Wind Gust (mph) 27 33 34 25 33 31
Precip Prob (%) 0 5 5 10 10 20 20 20 20 40 10 5 5 5 30 30 10
Precip Type R R T T T R T 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 0.00 0.00 0.00 0.00
High End QPF 0.00 0.16 0.03 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) 12.9 12.9 12.9 13.2 13.6 14.2 14.3 14.4 14.1 14.0 13.9 13.6 13.3 13.2 13.2 13.2 12.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Highwood Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW SC BK BK BK SC OV OV BK OV OV OV BK FW SC SC FW
Cloud Cover (%) 25 40 70 65 50 40 80 75 60 90 85 80 60 20 50 50 25
Temperature 77 70 67 66 63 66 74 79 78 71 68 67 65 69 77 79 74
Min/Max Temp 63 81 65 80
Wind Dir E E SE SE SE SE SW S SE S SW SW SW SW W W W
Wind (mph) 8 11 12 10 8 5 5 5 5 9 10 9 9 8 10 14 16
Wind Gust (mph) 29
Precip Prob (%) 0 0 5 5 10 20 10 10 20 30 10 5 0 0 30 30 5
Precip Type R R T T 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 0.09 0.04 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) 12.1 12.4 12.5 12.6 13.3 13.9 14.3 14.3 14.1 13.9 13.8 13.7 13.4 13.2 12.9 13.1 12.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK SC BK OV BK OV OV OV BK FW BK BK BK
Cloud Cover (%) 30 45 60 60 50 40 65 90 50 80 95 95 65 20 55 55 55
Temperature 77 68 65 62 61 66 74 79 78 70 67 64 63 71 80 82 76
Min/Max Temp 59 81 61 83
Wind Dir E SE SE SE SE SE SE S S S SW SW SW W W W W
Wind (mph) 9 9 11 12 10 10 10 9 8 8 6 6 5 4 6 9 9
Wind Gust (mph) 26 33 36 31 28 28 26
Precip Prob (%) 0 5 0 0 10 10 10 10 20 20 10 5 0 0 30 30 20
Precip Type T T R R T
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 0.05 0.01 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) 13.1 12.7 12.7 12.7 13.0 13.6 14.2 14.5 14.4 14.2 14.0 13.8 13.7 13.5 13.5 13.5 13.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW SC SC BK BK SC BK OV BK OV OV OV BK FW SC SC SC
Cloud Cover (%) 20 35 40 70 70 40 60 80 60 85 90 90 55 25 45 45 35
Temperature 78 66 62 61 59 64 74 78 79 69 66 65 62 69 80 82 77
Min/Max Temp 58 80 60 83
Wind Dir SE SE SE SE SE SE SE SE SE SE SE SW SW SW W W W
Wind (mph) 9 10 11 14 13 14 16 16 12 10 5 3 4 4 6 10 10
Wind Gust (mph) 31 37 33 34
Precip Prob (%) 0 0 0 0 10 10 10 5 10 10 10 10 5 5 20 20 10
Precip Type R T T
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 0.01 0.03 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 11.4 11.4 11.5 11.8 12.6 13.4 14.1 14.2 13.8 13.6 13.6 13.5 13.3 13.0 12.9 12.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW SC BK SC BK BK OV BK OV OV OV BK OV SC SC SC SC
Cloud Cover (%) 25 50 60 45 65 60 90 60 70 85 90 65 70 40 35 35 45
Temperature 79 68 63 59 57 61 71 76 74 65 61 59 57 62 74 76 73
Min/Max Temp 57 78 57 77
Wind Dir NE E E E SE SE W S S SW SW SW SW SW SW W W
Wind (mph) 9 12 11 9 6 5 6 9 6 8 9 9 9 9 13 18 17
Wind Gust (mph) 29 28 31 37 37
Precip Prob (%) 0 5 5 10 10 10 20 30 20 30 5 0 0 0 20 20 10
Precip Type R R T T T R T T T
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 0.16 0.02 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) 13.4 13.3 13.3 13.5 14.0 14.4 14.4 14.5 14.4 14.2 14.1 13.7 13.4 13.3 13.4 13.3 13.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Saturday 08/22/26 Sunday 08/23/26
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 SC OV OV OV SC OV OV OV SC BK SC SC SC SC
Cloud Cover (%) 40 55 65 50 70 70 85 45 85 95 70 50 65 45 45 45 50
Temperature 79 68 65 61 59 62 70 76 73 63 60 57 56 61 72 75 71
Min/Max Temp 58 78 56 76
Wind Dir NE SE SE SE SE S SW S SE SW S SW SW S SW W SW
Wind (mph) 6 11 12 9 8 5 4 6 5 5 4 4 4 3 8 12 11
Wind Gust (mph) 33 34 32 28
Precip Prob (%) 0 10 10 10 20 10 20 20 30 40 5 0 5 5 30 30 10
Precip Type R R T T T R R R T
6 Hour QPF 0.00 0.00 0.00 0.00 0.10 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.10 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.19 0.12 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) 13.7 13.7 13.7 14.0 14.4 14.5 14.7 14.5 14.5 14.4 14.2 13.7 13.6 13.3 13.4 13.4 13.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK OV OV BK SC BK SC BK BK SC
Cloud Cover (%) 50 55 75 85 95 85 65 60 85 85 55 50 50 40 65 65 50
Temperature 75 65 62 60 58 59 67 70 67 58 55 54 53 56 66 69 65
Min/Max Temp 57 72 52 70
Wind Dir N E SE S S S SW SW SW SW SE S S S SW SW SW
Wind (mph) 6 6 6 8 8 8 10 9 6 6 6 6 8 9 12 16 12
Wind Gust (mph) 25 25 26 31 35 32
Precip Prob (%) 10 10 10 20 20 20 30 40 40 50 5 0 10 10 50 50 20
Precip Type T T R R R R T T T R R R T T T
6 Hour QPF 0.00 0.00 0.00 0.02 0.04 0.00 0.00 0.01
12 Hour QPF 0.00 0.02 0.04 0.01
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.04 0.26 0.06 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) 14.2 14.2 14.4 14.5 14.6 14.7 14.8 14.8 14.9 14.7 14.3 13.9 13.9 13.8 13.7 13.5 13.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV OV BK OV OV BK BK BK SC BK BK BK
Cloud Cover (%) 50 60 75 70 90 75 70 65 85 90 65 55 55 35 65 65 55
Temperature 76 65 61 59 58 59 69 71 68 60 56 54 53 57 69 71 67
Min/Max Temp 56 74 52 72
Wind Dir N E SE S S S SW SW SW SW S S S S SW SW SW
Wind (mph) 6 8 8 9 6 8 8 8 6 6 6 8 8 8 10 13 11
Wind Gust (mph) 29 27 31
Precip Prob (%) 10 20 10 20 20 20 30 50 40 60 5 5 10 10 50 50 20
Precip Type T R R R T T T R T T T
6 Hour QPF 0.00 0.00 0.00 0.03 0.07 0.00 0.00 0.01
12 Hour QPF 0.00 0.03 0.07 0.01
Low End QPF 0.00 0.02 0.00 0.00
High End QPF 0.03 0.33 0.08 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) 14.1 14.0 14.2 14.4 14.5 14.7 14.9 14.9 14.9 14.8 14.4 13.8 13.8 13.8 13.7 13.6 13.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Lionhead Range...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV SC BK BK OV SC SC BK BK BK BK SC
Cloud Cover (%) 50 55 75 90 95 90 50 55 65 75 45 45 55 50 50 50 30
Temperature 81 67 61 57 55 58 70 75 70 60 55 52 50 55 68 72 67
Min/Max Temp 53 76 49 73
Wind Dir NW NE NE SW S S SW SW SW S E SE S S SW SW SW
Wind (mph) 5 5 6 5 3 2 8 9 4 2 2 2 2 3 10 13 11
Wind Gust (mph)
Precip Prob (%) 10 10 10 10 10 20 20 30 30 30 5 0 20 20 30 30 10
Precip Type T R T T T R R R R T
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 0.00 0.00 0.00 0.00
High End QPF 0.04 0.24 0.06 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) 14.7 14.6 14.6 14.8 14.7 14.8 14.8 14.8 15.0 14.8 14.4 14.1 14.0 14.0 13.9 13.7 13.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK OV OV BK SC SC SC BK BK SC
Cloud Cover (%) 50 65 75 85 95 90 65 55 85 85 55 45 45 45 55 55 35
Temperature 75 66 63 61 60 61 68 72 68 59 56 55 55 59 68 70 67
Min/Max Temp 58 73 53 71
Wind Dir NE NE E S S SW SW SW SW SW S SW SW SW SW SW SW
Wind (mph) 6 9 6 8 5 5 8 9 6 6 6 8 9 9 14 20 18
Wind Gust (mph) 33 40 36
Precip Prob (%) 10 20 20 20 20 20 30 30 40 30 5 5 5 5 30 30 20
Precip Type T R R R R R T T R T R T
6 Hour QPF 0.00 0.00 0.00 0.01 0.03 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 0.03 0.00
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.05 0.22 0.04 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) 14.2 14.1 14.3 14.4 14.5 14.7 14.6 14.7 14.5 14.4 14.0 13.8 13.5 13.5 13.3 13.2 13.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV BK BK OV OV BK BK BK SC BK BK SC
Cloud Cover (%) 50 60 85 95 90 80 55 60 85 70 65 50 65 45 60 60 45
Temperature 78 68 64 62 60 61 71 74 69 59 57 55 54 58 69 72 68
Min/Max Temp 58 75 53 73
Wind Dir N NE SE S S S S SW W SE SE S S S SW SW SW
Wind (mph) 6 8 8 9 9 9 12 11 9 6 6 8 8 9 14 18 16
Wind Gust (mph) 26 36
Precip Prob (%) 10 20 20 20 20 20 30 40 50 40 5 0 10 10 40 40 5
Precip Type T T R R R R T T T R T T
6 Hour QPF 0.00 0.00 0.00 0.02 0.05 0.00 0.00 0.01
12 Hour QPF 0.00 0.02 0.05 0.01
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.05 0.24 0.07 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) 14.4 14.5 14.6 14.7 14.8 14.8 14.7 14.8 14.9 14.7 14.1 13.9 13.8 13.6 13.5 13.4 13.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK OV BK BK BK BK SC BK BK SC
Cloud Cover (%) 55 70 85 90 90 85 60 55 80 65 60 55 55 50 55 55 40
Temperature 78 68 64 62 60 62 68 72 69 60 57 55 54 57 66 70 67
Min/Max Temp 59 73 53 71
Wind Dir N NE SE S S S S SW SW N NE E SE S S SW SW
Wind (mph) 5 6 10 9 6 6 11 11 8 6 4 4 4 6 12 16 13
Wind Gust (mph)
Precip Prob (%) 10 20 10 10 10 20 20 30 30 40 5 0 20 20 30 30 5
Precip Type T T R R R T T T R R R R T
6 Hour QPF 0.00 0.00 0.00 0.01 0.03 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 0.03 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.06 0.22 0.05 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) 14.6 14.7 14.7 14.8 14.8 14.8 14.8 14.7 14.9 14.8 14.3 14.1 14.0 13.8 13.7 13.5 13.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV BK SC BK OV BK BK SC OV SC SC SC FW
Cloud Cover (%) 50 70 75 80 95 65 45 65 85 60 50 50 75 25 30 30 15
Temperature 79 69 64 62 60 61 71 75 70 60 57 55 54 57 68 72 70
Min/Max Temp 59 76 52 72
Wind Dir N NE NE SE S SE S SW W S S S S S SW SW W
Wind (mph) 6 9 10 6 4 5 8 6 5 5 5 5 4 5 12 16 13
Wind Gust (mph) 29 33
Precip Prob (%) 10 30 20 20 20 10 20 40 40 20 5 0 5 5 10 10 0
Precip Type R R R R R T T T T R R
6 Hour QPF 0.00 0.00 0.00 0.03 0.05 0.00 0.00 0.00
12 Hour QPF 0.00 0.03 0.05 0.00
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.03 0.19 0.06 0.07
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) 14.2 14.2 14.4 14.5 14.5 14.3 14.0 14.4 14.4 14.1 13.8 13.6 13.3 13.0 12.7 12.6 12.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Pioneer Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK OV BK BK BK OV SC SC SC FW
Cloud Cover (%) 55 75 80 90 95 85 55 60 80 65 50 55 80 30 30 35 15
Temperature 78 68 65 62 60 60 70 73 69 60 56 55 54 57 68 71 69
Min/Max Temp 58 75 53 72
Wind Dir N E E S S S SW SW W S S S S SW SW SW W
Wind (mph) 5 6 6 6 5 6 8 8 6 4 5 5 6 8 16 18 16
Wind Gust (mph) 36 39 34
Precip Prob (%) 10 20 20 30 20 30 30 40 50 20 10 5 5 5 20 20 0
Precip Type T T R R R R R T T T T T
6 Hour QPF 0.00 0.00 0.00 0.01 0.03 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 0.03 0.00
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.04 0.19 0.04 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) 14.3 14.3 14.5 14.5 14.6 14.5 14.3 14.5 14.4 14.2 13.8 13.7 13.4 13.1 13.1 12.7 12.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 BK BK OV BK BK BK OV SC SC SC SC
Cloud Cover (%) 65 75 85 90 90 70 50 60 80 70 65 60 75 35 40 40 25
Temperature 79 68 63 61 59 61 72 74 68 59 55 54 54 58 69 72 69
Min/Max Temp 58 75 52 72
Wind Dir N E SE S S S SW SW W S S S S S SW SW W
Wind (mph) 5 5 6 10 9 9 11 10 6 5 6 8 9 10 18 19 17
Wind Gust (mph) 27 40 40 34
Precip Prob (%) 20 30 20 20 20 20 20 40 50 30 10 5 5 5 20 20 5
Precip Type T R R R R R T T T R T T
6 Hour QPF 0.00 0.00 0.00 0.01 0.03 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 0.03 0.00
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.06 0.19 0.04 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) 14.5 14.6 14.7 14.7 14.7 14.5 14.4 14.7 14.6 14.2 14.0 13.7 13.5 13.3 13.2 13.0 12.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV OV BK OV BK BK OV SC BK BK BK
Cloud Cover (%) 50 60 65 70 75 75 80 70 70 70 55 60 70 40 65 65 55
Temperature 72 57 53 52 52 55 65 67 61 54 51 49 48 52 63 66 62
Min/Max Temp 50 69 47 67
Wind Dir N E SE SE S S SW SW SE S S S S SW SW SW SW
Wind (mph) 9 6 6 6 5 6 9 9 6 6 6 5 6 8 13 17 17
Wind Gust (mph) 34
Precip Prob (%) 20 20 10 20 20 20 30 40 40 50 20 5 10 10 50 50 20
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.04 0.07 0.00 0.00 0.01
12 Hour QPF 0.00 0.04 0.07 0.01
Low End QPF 0.00 0.02 0.00 0.00
High End QPF 0.00 0.30 0.08 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) 14.3 14.1 14.1 14.4 14.6 14.6 14.9 15.1 15.1 14.9 14.6 14.1 13.9 14.0 14.0 13.9 13.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV BK OV OV OV OV OV SC BK BK BK
Cloud Cover (%) 50 65 60 60 80 80 75 65 70 80 70 70 80 45 60 60 55
Temperature 72 61 58 57 56 60 68 69 64 59 57 56 55 60 68 70 66
Min/Max Temp 56 71 54 71
Wind Dir NE SE S SW SW SW SW W S SW SW SW SW SW SW W W
Wind (mph) 8 5 6 8 6 8 8 8 8 11 12 13 14 13 13 16 14
Wind Gust (mph) 26 26 26 27 25 33 34 34 33 36 37
Precip Prob (%) 10 20 10 20 20 20 30 40 50 50 20 5 5 5 40 40 20
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.03 0.05 0.00 0.00 0.00
12 Hour QPF 0.00 0.03 0.05 0.00
Low End QPF 0.00 0.02 0.00 0.00
High End QPF 0.00 0.26 0.08 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) 14.2 13.9 13.9 14.3 14.5 14.6 14.8 15.1 15.0 14.8 14.5 14.0 13.7 13.8 13.9 13.9 13.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV OV OV OV BK OV OV BK BK BK SC BK BK SC
Cloud Cover (%) 50 60 70 75 90 75 70 65 75 80 55 55 65 40 60 60 45
Temperature 76 64 59 57 56 58 69 71 67 59 55 53 51 56 67 70 66
Min/Max Temp 54 73 50 71
Wind Dir N E SE S S S SW SW SW SW S S S S SW SW SW
Wind (mph) 8 6 6 6 5 5 8 9 6 6 6 6 6 8 11 14 13
Wind Gust (mph) 31 26 27 23 25 26 25 26 27 29 31 33 36 36
Precip Prob (%) 20 10 10 20 20 20 30 40 40 50 5 0 10 10 40 40 10
Precip Type R R R T T T R T T T
6 Hour QPF 0.00 0.00 0.00 0.03 0.05 0.00 0.00 0.01
12 Hour QPF 0.00 0.03 0.05 0.01
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.02 0.28 0.07 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) 14.4 14.2 14.3 14.5 14.7 14.7 14.9 15.0 15.0 14.8 14.5 14.0 14.0 13.9 13.9 13.7 13.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Crazy Mountains...
Date Saturday 08/22/26 Sunday 08/23/26
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 OV BK BK BK BK OV BK OV OV OV OV OV SC SC SC SC
Cloud Cover (%) 25 80 65 55 70 65 90 65 75 90 90 75 70 45 45 45 45
Temperature 76 65 62 59 57 61 69 73 70 62 59 58 56 61 72 74 71
Min/Max Temp 56 75 56 75
Wind Dir E E SE SE S S W S S SW W W W SW SW W SW
Wind (mph) 9 11 11 8 4 4 6 9 6 8 10 10 10 10 13 17 18
Wind Gust (mph) 32 33 31 37 39
Precip Prob (%) 5 0 10 10 10 10 20 30 30 30 10 5 0 0 20 20 20
Precip Type T T T R T T T
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 0.16 0.03 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) 13.7 13.5 13.4 13.6 14.1 14.4 14.6 14.7 14.5 14.4 14.2 13.8 13.5 13.4 13.6 13.5 13.2
Snow Density (%) 0 0 0 0 0 0 0 0 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