Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
061
FWUS45 KTFX 202201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Thu Aug 20 2026
...Glacier National Park/Marias Pass...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC FW FW BK OV OV BK OV OV SC BK BK
Cloud Cover (%) 5 10 15 20 40 35 25 20 65 75 70 65 85 75 50 55 55
Temperature 71 61 56 53 52 55 66 71 71 62 59 58 58 60 69 73 71
Min/Max Temp 51 72 55 73
Wind Dir W W N N SW E E SE E SE SE S SW S SE SW SW
Wind (mph) 9 5 5 4 3 3 5 6 6 6 5 4 4 4 5 8 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 5 10 10 20 20 10
Precip Type R 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 0.00 0.03 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) 11.5 11.7 11.6 11.6 11.4 11.3 11.3 12.0 12.5 12.7 12.9 13.1 13.4 13.6 13.6 13.5 13.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bob Marshall/Scapegoat Wilderness...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC FW FW BK OV BK OV OV BK BK BK BK
Cloud Cover (%) 10 20 25 35 30 30 20 20 55 75 65 80 75 65 60 65 65
Temperature 74 64 59 56 54 58 69 74 73 63 59 58 58 60 71 75 72
Min/Max Temp 53 75 55 75
Wind Dir W W W W W NE E E E E E S S S S SW W
Wind (mph) 10 3 4 3 2 3 4 6 6 5 4 3 3 3 5 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 10 20 20 30 30 30
Precip Type R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.02 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) 12.4 12.6 12.6 12.5 12.2 12.1 12.1 12.7 13.3 13.3 13.6 14.0 14.1 13.9 13.9 13.9 13.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Nevada Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC FW SC BK OV BK OV OV BK BK OV BK
Cloud Cover (%) 10 30 55 40 35 35 20 25 65 80 60 90 80 65 60 70 70
Temperature 78 69 65 62 60 61 71 78 77 68 65 63 62 62 72 77 74
Min/Max Temp 58 78 60 77
Wind Dir W NW NW NW N NE NE N NE NE N E SE SE S SW W
Wind (mph) 8 3 3 3 3 3 4 5 6 6 4 3 3 3 5 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 5 5 10 10 10 30 30 30
Precip Type R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.02 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) 12.8 13.1 13.2 13.1 12.8 12.5 12.6 13.0 13.5 13.6 14.1 14.2 14.2 14.1 14.0 14.0 14.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC FW FW SC OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 25 55 65 40 35 25 20 35 85 85 80 80 90 70 70 75 75
Temperature 77 66 62 59 57 62 73 78 78 67 63 60 59 61 71 76 72
Min/Max Temp 56 79 57 76
Wind Dir NW N N NW NW W NE NE NE NE E SE S S S SW SW
Wind (mph) 6 4 4 3 3 2 4 6 5 4 4 3 4 5 6 8 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 5 10 10 20 20 40 40 50
Precip Type R R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
12 Hour QPF 0.00 0.00 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.02 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) 13.4 13.5 13.6 13.5 13.1 13.0 13.1 13.6 14.0 14.1 14.4 14.4 14.3 14.2 14.3 14.1 14.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Big Belt Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC SC FW FW BK OV OV OV OV BK BK OV BK
Cloud Cover (%) 10 30 50 40 35 25 20 25 65 70 70 75 70 55 65 70 60
Temperature 79 69 66 62 59 62 71 78 78 69 65 62 61 63 72 78 76
Min/Max Temp 58 79 59 78
Wind Dir NW N NE N N N NW N NE E SE SE SE SE S SW SW
Wind (mph) 8 4 4 3 2 3 4 5 5 8 8 8 6 5 6 6 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 10 10 10 20 20 40
Precip Type 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 0.00 0.02 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) 12.8 13.2 13.3 13.2 13.0 12.7 12.7 13.0 13.6 13.6 14.0 14.2 14.3 14.2 14.2 14.1 14.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC FW FW SC BK BK BK OV OV SC BK OV BK
Cloud Cover (%) 10 20 25 30 30 25 25 30 55 65 70 80 90 50 60 70 65
Temperature 78 66 62 60 58 64 73 77 77 65 62 60 59 63 75 79 76
Min/Max Temp 57 78 57 79
Wind Dir NW NW SW W W NW N N NE SE SE S S S S SW SW
Wind (mph) 9 4 4 3 3 2 6 8 6 9 10 10 9 8 8 9 8
Wind Gust (mph) 26 25 29 28 26 26
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 5 10 10 20 20 20
Precip Type R R 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 0.00 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) 12.5 12.8 13.1 13.1 12.9 12.8 12.6 12.9 13.2 13.4 13.5 14.0 14.1 14.1 14.2 14.2 14.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Highwood Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC FW FW SC BK OV BK OV BK BK OV OV
Cloud Cover (%) 25 25 20 25 20 40 15 20 40 70 75 65 90 55 55 70 70
Temperature 79 69 66 65 60 61 69 76 76 69 66 65 63 65 75 80 78
Min/Max Temp 59 77 63 80
Wind Dir NW E S W W W NW NE E E SE SE SE SE SE S SW
Wind (mph) 5 6 5 4 5 3 4 6 10 13 12 10 8 5 5 6 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 5 0 0 0 0 0 0 10 10 10 10 20
Precip Type 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 0.00 0.00 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) 12.1 12.4 12.6 12.5 12.5 12.3 12.1 12.1 12.3 12.7 13.3 13.8 14.0 13.9 14.0 14.0 14.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 BK FW SC FW FW SC BK OV BK OV SC SC OV OV
Cloud Cover (%) 20 20 30 50 25 25 20 20 35 60 75 60 95 50 50 70 75
Temperature 81 68 65 62 60 65 74 78 77 67 64 62 60 65 75 80 80
Min/Max Temp 58 79 58 81
Wind Dir NW NE S SW W NW N N E SE SE SE SE SE SE SE S
Wind (mph) 6 4 3 3 4 4 6 8 9 10 11 11 10 10 12 11 9
Wind Gust (mph) 27 32 33 33 32 29 32 31
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 5 5 5 5 30
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 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.04
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 12.4 12.4 12.8 12.9 12.8 12.8 12.6 12.8 13.1 12.9 13.2 13.7 13.8 14.0 14.2 14.2 14.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC BK OV OV SC SC BK BK
Cloud Cover (%) 25 20 20 20 20 20 20 20 45 40 65 85 85 50 45 60 70
Temperature 80 65 61 58 55 62 72 77 77 65 61 60 58 63 73 79 80
Min/Max Temp 54 78 57 80
Wind Dir W NE SE SE NE NE NE E E SE SE SE SE SE SE SE SE
Wind (mph) 5 3 4 3 4 5 5 5 6 9 10 11 13 14 17 17 14
Wind Gust (mph) 27 32 33 34
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.02
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) 11.3 11.7 11.8 11.8 11.7 11.7 11.7 12.0 12.0 11.6 11.8 12.6 13.1 13.5 13.8 13.7 13.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC FW SC SC SC OV BK BK BK BK OV OV BK
Cloud Cover (%) 10 35 60 35 45 25 35 30 45 70 65 55 55 55 70 70 65
Temperature 78 68 63 61 59 65 76 80 78 67 63 59 57 60 72 78 75
Min/Max Temp 58 80 56 78
Wind Dir NW N E W W W NW NW E E E E E SE S SW SW
Wind (mph) 11 4 4 3 3 3 5 8 11 13 11 9 8 5 8 10 9
Wind Gust (mph) 31 28
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 10 10 10 30 30 40
Precip Type R 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 0.00 0.03 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) 12.7 13.2 13.4 13.4 13.2 13.0 13.1 13.4 13.6 13.7 14.1 14.2 14.3 14.3 14.4 14.4 14.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Friday 08/21/26 Saturday 08/22/26
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 SC FW FW BK OV OV SC OV BK OV BK OV
Cloud Cover (%) 45 60 65 35 50 25 20 25 50 75 70 50 70 65 70 65 70
Temperature 77 67 63 60 58 63 74 80 79 67 64 60 58 61 72 77 73
Min/Max Temp 58 80 57 77
Wind Dir NW NE E SE W NW NW NW NE E SE SE SE SE S SW SW
Wind (mph) 5 4 3 2 2 2 3 5 6 11 11 10 8 5 5 6 5
Wind Gust (mph) 29 29 27
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 5 10 20 20 30 30 50
Precip Type R 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 0.00 0.04 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) 13.1 13.4 13.6 13.5 13.3 13.1 13.2 13.5 13.9 14.0 14.3 14.4 14.5 14.4 14.4 14.5 14.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC FW FW SC BK OV OV OV OV OV BK BK OV
Cloud Cover (%) 60 45 50 45 40 25 20 35 55 70 70 80 75 75 65 65 70
Temperature 73 63 60 57 56 61 72 77 75 64 61 59 58 60 68 71 67
Min/Max Temp 55 77 57 72
Wind Dir W S S SW SW W NW NW N E SE SE SE S SW SW SW
Wind (mph) 6 4 4 4 3 2 5 8 5 5 5 5 6 8 10 10 6
Wind Gust (mph) 26 27
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 10 10 20 20 50 50 50
Precip Type T R R T T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02
12 Hour QPF 0.00 0.00 0.00 0.02
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.01 0.04 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) 13.9 14.1 14.0 13.8 13.4 13.5 13.9 14.3 14.6 14.5 14.6 14.6 14.6 14.5 14.6 14.5 14.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC FW FW SC SC OV BK BK OV OV BK BK OV
Cloud Cover (%) 60 60 50 45 35 25 20 35 45 70 60 65 75 70 70 70 75
Temperature 74 65 60 58 56 61 74 77 75 65 60 58 57 59 71 73 69
Min/Max Temp 55 78 56 74
Wind Dir NW SE SE S SW W NW NW NE E SE S S S SW SW SW
Wind (mph) 8 4 5 4 4 3 4 8 6 5 5 5 6 8 9 8 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 5 10 30 30 50 50 60
Precip Type R R T T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.00 0.01 0.04 0.25
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) 13.6 13.8 14.0 13.8 13.4 13.3 13.7 14.1 14.3 14.4 14.5 14.5 14.6 14.4 14.6 14.7 14.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Lionhead Range...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC SC FW FW FW BK BK OV OV OV OV BK BK BK
Cloud Cover (%) 40 60 40 35 35 15 15 20 65 60 70 75 75 75 65 55 65
Temperature 78 64 58 54 51 58 75 83 81 67 60 56 53 58 70 76 70
Min/Max Temp 49 83 51 76
Wind Dir SW S S S SW NE W W NW E E E SE SE SW SW SW
Wind (mph) 5 2 2 2 2 2 2 4 2 3 3 3 3 2 6 8 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 5 5 10 10 30 30 50
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 0.05 0.20
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 14.3 14.2 14.1 13.7 14.1 14.3 14.6 14.8 14.7 14.7 14.8 14.7 14.7 14.6 14.5 14.4
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC BK SC SC FW SC OV OV OV OV OV OV BK BK OV
Cloud Cover (%) 45 60 45 55 40 30 15 25 75 85 70 85 80 80 65 65 75
Temperature 74 65 61 59 57 62 71 76 75 65 63 61 59 61 69 73 68
Min/Max Temp 57 76 58 73
Wind Dir W NE NE W W SW N N NE NE E S S S SW SW SW
Wind (mph) 6 5 4 3 3 2 4 5 6 6 5 4 4 5 8 9 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 10 10 20 20 50 50 60
Precip Type R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
12 Hour QPF 0.00 0.00 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.00 0.01 0.05 0.21
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 13.9 13.8 13.6 13.2 13.2 13.5 14.0 14.4 14.5 14.6 14.6 14.6 14.4 14.5 14.4 14.6
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 Friday 08/21/26 Saturday 08/22/26
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 BK SC FW FW SC BK BK BK OV OV OV BK BK OV
Cloud Cover (%) 70 45 55 65 45 15 20 40 65 70 65 75 80 75 65 65 70
Temperature 76 66 62 59 57 62 74 79 78 67 63 61 60 62 71 74 69
Min/Max Temp 57 80 58 75
Wind Dir W S W SW SW W NW NW NE NE SE SE SE S S S SW
Wind (mph) 9 5 4 4 3 2 4 6 5 5 5 6 8 10 12 12 10
Wind Gust (mph)
Precip Prob (%) 5 0 0 0 0 0 0 0 10 10 20 10 20 20 50 50 50
Precip Type T R R R T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.00 0.02 0.06 0.16
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 13.9 13.6 13.5 13.8 14.0 14.4 14.7 14.7 14.7 14.7 14.5 14.5 14.6 14.5 14.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 FW FW SC BK BK OV BK OV BK BK BK BK
Cloud Cover (%) 65 45 50 60 30 15 10 30 50 65 75 70 80 65 60 60 65
Temperature 75 66 62 59 57 62 73 79 78 68 63 61 60 61 69 73 69
Min/Max Temp 56 79 58 73
Wind Dir SW SE S SW W NW NW W NE NE E E SE SE S SW SW
Wind (mph) 8 4 4 4 4 4 3 8 5 6 8 8 6 8 11 12 10
Wind Gust (mph)
Precip Prob (%) 5 0 0 0 0 0 0 0 5 5 10 5 10 10 40 40 50
Precip Type R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.02 0.04 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 14.3 14.1 13.9 13.8 14.1 14.3 14.6 14.7 14.8 14.8 14.8 14.7 14.5 14.6 14.4 14.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC FW FW SC OV OV OV OV OV OV BK BK OV
Cloud Cover (%) 55 70 65 45 40 25 15 45 80 75 80 85 85 75 65 65 75
Temperature 77 66 61 59 56 61 74 80 78 68 63 61 59 61 71 74 70
Min/Max Temp 55 80 58 75
Wind Dir NW N NE N N E S N NE NE E E SE S SW W SW
Wind (mph) 5 4 4 2 2 2 3 4 5 8 6 5 5 4 6 8 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 20 10 10 10 50 50 40
Precip Type T R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
12 Hour QPF 0.00 0.00 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.01 0.03 0.16
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) 13.8 13.7 13.4 13.3 13.1 13.0 13.4 14.0 14.4 14.5 14.5 14.4 14.4 14.2 14.1 14.1 14.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Pioneer Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 SC SC FW FW SC OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 60 75 55 45 40 20 20 40 70 80 75 70 85 75 70 70 75
Temperature 76 67 62 59 57 61 74 78 77 68 64 61 60 61 70 73 68
Min/Max Temp 56 79 58 73
Wind Dir W N NE W SW SW W W NE E SE SE S S SW W SW
Wind (mph) 8 4 4 3 3 2 4 6 5 5 5 5 5 6 9 9 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 10 10 20 10 20 20 60 60 50
Precip Type T T R R R R R T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.00 0.01 0.03 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) 13.9 13.8 13.5 13.3 13.1 13.3 13.7 14.1 14.5 14.6 14.6 14.5 14.4 14.3 14.2 14.3 14.3
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 FW FW SC OV OV BK OV OV OV OV OV OV
Cloud Cover (%) 65 65 55 55 40 20 20 50 75 80 65 75 85 70 70 70 70
Temperature 76 66 61 59 57 63 75 79 78 67 63 61 60 62 71 73 68
Min/Max Temp 56 80 58 74
Wind Dir W W W W SW W NW W NE E SE SE S S SW SW SW
Wind (mph) 9 4 4 4 3 2 4 6 5 6 8 8 9 10 11 11 9
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 20 20 20 20 20 20 50 50 50
Precip Type T T T R R R R T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.03 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) 14.2 13.9 13.5 13.5 13.6 13.8 13.9 14.4 14.8 14.8 14.7 14.6 14.5 14.3 14.2 14.3 14.4
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 Friday 08/21/26 Saturday 08/22/26
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 FW SC SC SC SC BK BK BK BK OV OV OV
Cloud Cover (%) 75 80 50 35 40 10 30 50 45 50 55 60 65 65 75 80 75
Temperature 70 58 54 51 49 56 70 73 72 57 52 51 51 56 66 68 63
Min/Max Temp 49 74 49 69
Wind Dir NW NE SE S SW W W NW NE E E SE SE S SW SW SW
Wind (mph) 10 3 5 4 4 2 6 10 6 6 5 5 5 6 10 10 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 5 10 30 30 60 60 50
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.04
12 Hour QPF 0.00 0.00 0.00 0.04
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.02 0.03 0.20
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 14.0 14.1 14.0 13.7 13.4 13.9 14.5 14.5 14.4 14.5 14.6 14.5 14.5 14.7 14.8 14.6
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 Friday 08/21/26 Saturday 08/22/26
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 SC SC FW SC SC SC BK BK SC OV BK OV OV OV
Cloud Cover (%) 65 75 55 45 45 20 30 35 45 60 55 50 80 65 70 75 70
Temperature 72 62 59 57 56 62 71 73 72 61 57 56 55 60 69 70 67
Min/Max Temp 55 74 54 71
Wind Dir NW SW SW SW SW W N N NE SE S S SW S S SW SW
Wind (mph) 9 5 6 8 8 4 8 10 9 5 5 4 5 8 9 8 8
Wind Gust (mph) 26 28 32 28 21 27 28 26
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 10 10 30 30 60 60 50
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 Hour QPF 0.00 0.00 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.00 0.02 0.03 0.20
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) 13.5 13.7 13.9 13.9 13.7 13.3 13.7 14.2 14.3 14.2 14.4 14.5 14.5 14.4 14.6 14.8 14.6
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 Friday 08/21/26 Saturday 08/22/26
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 FW FW SC BK BK BK OV BK OV OV OV OV
Cloud Cover (%) 65 65 50 40 40 20 25 35 50 65 65 70 70 70 70 70 70
Temperature 74 64 59 55 53 59 73 78 76 64 59 56 55 59 69 72 68
Min/Max Temp 52 78 53 73
Wind Dir W S S S SW SW NW NW NE E SE SE SE S SW SW SW
Wind (mph) 8 3 4 4 4 2 5 8 5 5 4 4 5 6 9 9 6
Wind Gust (mph) 26 23 26 24 23 26 27
Precip Prob (%) 0 0 0 0 0 0 0 0 5 5 5 10 30 30 50 50 50
Precip Type R R T T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02
12 Hour QPF 0.00 0.00 0.00 0.02
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.02 0.04 0.21
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 14.0 14.1 14.0 13.6 13.5 13.9 14.4 14.6 14.5 14.6 14.6 14.6 14.5 14.7 14.7 14.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Crazy Mountains...
Date Friday 08/21/26 Saturday 08/22/26
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 OV SC BK SC SC FW SC BK OV BK BK BK OV OV BK
Cloud Cover (%) 25 50 75 45 50 30 30 25 50 65 75 55 60 60 70 70 65
Temperature 76 66 62 60 59 64 73 77 75 64 61 58 56 60 71 75 72
Min/Max Temp 58 77 55 75
Wind Dir NW N S W W W NW N E E E SE SE SE S SW SW
Wind (mph) 11 5 5 4 4 3 8 10 12 13 11 8 5 4 8 10 8
Wind Gust (mph) 32 29
Precip Prob (%) 0 0 0 0 0 0 0 0 5 0 5 10 20 20 30 30 50
Precip Type R 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 0.00 0.04 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) 12.8 13.2 13.4 13.5 13.3 13.1 13.3 13.5 13.8 13.8 14.1 14.3 14.4 14.4 14.4 14.5 14.6
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