Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
668
FWUS45 KTFX 211001
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Fri Aug 21 2026
...Glacier National Park/Marias Pass...
Date Friday 08/21/26 Saturday 08/22/26
Time (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW SC FW FW FW BK OV BK OV OV SC SC SC BK BK SC SC
Cloud Cover (%) 25 35 25 20 20 50 80 60 100 85 30 25 30 65 55 45 40
Temperature 51 55 66 71 71 62 59 58 58 59 67 73 72 63 61 60 57
Max/Min Temp 72 55 74 56
Wind Dir NW N NE E SE SE SE SE SE SW SW SW SW SW SW SW SW
Wind (mph) 4 3 4 5 6 5 5 5 4 4 6 8 8 8 10 11 11
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 5 5 20 20 20 0 0 10 10 5 5 5
Precip Type T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
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 0.05 0.03 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) 11.2 11.0 11.1 11.9 12.1 12.3 12.6 13.0 13.6 13.7 13.6 13.5 13.4 13.2 13.2 12.9 12.4
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW FW SC OV OV OV OV OV SC SC BK BK BK SC SC
Cloud Cover (%) 35 30 25 20 40 80 80 75 95 85 35 45 55 65 60 45 25
Temperature 55 58 70 75 74 63 59 58 58 60 70 75 73 63 59 57 55
Max/Min Temp 76 55 76 54
Wind Dir W W W S E E E E SE SW SW W W SW SW SW SW
Wind (mph) 4 3 4 5 6 5 5 4 4 3 6 6 5 5 6 6 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 5 10 20 20 20 5 5 30 30 5 5 0
Precip Type T T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.00
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 0.04 0.07 0.05
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 11.8 12.5 12.9 13.1 13.3 13.5 14.0 14.1 13.9 13.8 13.8 13.8 13.6 13.1 12.8
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW SC BK OV OV OV OV OV SC BK BK OV OV BK SC
Cloud Cover (%) 30 30 15 25 55 85 70 75 95 85 40 55 60 75 70 50 25
Temperature 60 61 71 78 77 68 65 64 62 62 70 77 75 66 63 60 58
Max/Min Temp 79 59 78 57
Wind Dir NW N N N NE NE NE E S S S W SW S SW SW SW
Wind (mph) 4 3 3 5 8 6 5 4 4 4 5 5 5 6 6 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 5 20 20 20 10 10 5 40 40 5 5 0
Precip Type T T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.00
12 Hour QPF 0.00 0.00 0.00 0.08
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.04 0.09 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) 12.4 12.1 12.1 12.7 13.1 13.4 13.4 13.9 14.2 14.2 14.0 14.1 14.3 14.1 13.6 13.2 12.9
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW SC BK BK OV OV OV OV SC BK OV OV BK BK SC
Cloud Cover (%) 25 15 25 35 65 70 70 80 100 85 50 65 85 75 70 55 35
Temperature 57 62 74 78 78 67 63 61 59 61 70 76 72 62 59 56 54
Max/Min Temp 79 57 77 53
Wind Dir NW NW E NE NE NE E SE SE S S SW S W S SW SW
Wind (mph) 3 2 4 5 6 6 5 5 4 5 6 6 5 6 5 6 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 20 20 30 20 5 20 20 60 60 0 0 5
Precip Type T T R T T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.05 0.00
12 Hour QPF 0.00 0.00 0.01 0.05
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.05 0.12 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) 13.0 12.6 12.7 13.4 13.7 13.7 14.0 14.2 14.4 14.5 14.3 14.5 14.5 14.3 13.9 13.4 13.0
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW FW SC OV BK BK OV OV BK SC BK OV OV BK SC
Cloud Cover (%) 25 20 15 25 45 75 60 65 100 85 65 50 65 80 75 55 40
Temperature 59 62 71 78 78 69 65 62 61 62 70 77 76 67 64 61 59
Max/Min Temp 79 59 78 58
Wind Dir N NW NW N N NE SE SE SE S S SW SW SW S S S
Wind (mph) 4 3 4 5 6 9 8 8 6 5 6 6 5 8 8 8 8
Wind Gust (mph) 26 27 25
Precip Prob (%) 0 0 0 0 0 10 10 20 20 20 20 0 40 40 0 0 0
Precip Type T T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.00
12 Hour QPF 0.00 0.00 0.00 0.09
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.03 0.10 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) 12.7 12.4 12.3 12.6 13.0 13.3 13.4 13.8 14.2 14.4 14.4 14.2 14.4 14.3 14.1 13.5 13.2
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW FW FW BK BK BK OV OV OV BK BK OV OV BK SC
Cloud Cover (%) 40 20 20 20 25 55 55 65 90 85 75 50 55 75 75 60 40
Temperature 58 64 74 78 77 66 62 60 59 63 73 77 76 66 63 60 58
Max/Min Temp 78 57 79 57
Wind Dir W NW N N NE E SE SE S S SW SW SW SW SW SW SW
Wind (mph) 4 4 5 6 6 6 9 10 9 8 8 8 6 9 8 8 8
Wind Gust (mph) 24 32 31 28 26 25
Precip Prob (%) 0 0 0 0 0 5 5 10 10 20 30 10 30 30 5 5 5
Precip Type T T R T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.00
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 0.01 0.11 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) 12.6 12.4 12.4 12.7 12.8 12.9 13.0 13.3 14.1 14.2 14.5 14.4 14.1 14.3 14.3 13.7 13.3
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW FW FW SC OV OV OV OV OV SC BK BK OV BK SC
Cloud Cover (%) 10 20 25 15 20 35 75 70 85 85 75 40 50 65 70 60 40
Temperature 60 62 70 76 76 69 67 65 63 66 73 78 78 70 68 67 65
Max/Min Temp 77 62 80 64
Wind Dir W W NW N NE E SE SE SE SE S SW NE S SW SW SW
Wind (mph) 5 4 4 5 8 9 12 11 9 4 5 5 5 6 9 10 9
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 5 10 10 20 20 0 30 30 5 5 0
Precip Type T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
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 0.08 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) 12.2 12.0 11.9 12.0 11.9 12.3 12.7 13.1 13.8 14.0 14.2 14.1 14.0 13.6 14.1 13.8 13.2
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW FW FW BK OV BK OV OV OV OV BK OV OV OV SC
Cloud Cover (%) 35 15 15 10 20 60 70 60 75 75 70 70 60 70 75 70 45
Temperature 61 66 74 78 77 67 64 62 60 65 74 78 79 70 67 64 62
Max/Min Temp 79 58 80 60
Wind Dir NW NW N NE NE E SE SE SE SE SE SE SE S SW SW SW
Wind (mph) 5 6 8 9 9 9 10 11 11 11 11 9 9 8 6 6 5
Wind Gust (mph) 31 32 32 29 31 27
Precip Prob (%) 0 0 0 0 0 5 0 0 10 10 20 0 30 30 10 10 5
Precip Type T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
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 0.06 0.05
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) 12.6 12.4 12.4 12.7 12.9 12.7 12.8 13.0 13.7 14.1 14.3 14.6 14.4 13.9 14.1 14.0 13.7
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover FW FW FW FW FW SC SC OV OV OV OV BK BK BK OV OV BK
Cloud Cover (%) 10 10 10 20 25 40 35 75 90 80 75 65 55 55 75 75 55
Temperature 55 62 72 77 77 65 62 60 58 63 73 77 78 68 65 62 60
Max/Min Temp 78 57 79 59
Wind Dir E E E E E E SE SE SE SE SE SE SE SE S SW SW
Wind (mph) 6 6 6 6 8 10 13 14 14 16 17 16 14 11 6 4 3
Wind Gust (mph) 34 36 35
Precip Prob (%) 0 0 0 0 0 0 0 0 10 10 20 0 10 10 5 5 5
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 0.02 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) 11.6 11.7 11.7 11.8 11.8 11.3 11.1 11.3 12.7 13.6 14.0 14.1 13.9 13.6 13.5 13.8 13.6
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC SC BK BK BK OV OV OV BK BK OV OV BK BK
Cloud Cover (%) 35 15 15 35 35 70 55 70 90 85 75 55 60 85 80 55 55
Temperature 59 65 76 80 79 67 63 59 57 60 70 77 75 66 62 59 57
Max/Min Temp 81 56 78 56
Wind Dir NW NW NW NW NE E E E E SE S S S SW S SW SW
Wind (mph) 5 4 4 6 8 12 11 9 8 5 8 9 8 6 8 8 8
Wind Gust (mph) 24 27 28
Precip Prob (%) 0 0 0 0 0 5 10 20 10 10 20 0 40 40 5 5 0
Precip Type T T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
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 0.03 0.12 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) 13.1 12.8 12.7 13.1 13.4 13.3 13.4 13.8 14.2 14.4 14.6 14.6 14.5 14.4 14.5 13.7 13.5
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW FW BK BK BK OV OV OV OV BK OV OV OV BK SC
Cloud Cover (%) 30 15 15 20 50 65 50 75 95 90 70 60 70 85 75 55 45
Temperature 58 64 75 80 79 67 64 60 58 61 71 76 74 63 60 57 56
Max/Min Temp 81 57 77 55
Wind Dir NW W NW NW N E SE SE SE SE S SW S SW S S S
Wind (mph) 4 3 4 5 6 11 11 9 8 4 5 5 5 5 3 3 4
Wind Gust (mph) 31 31 25
Precip Prob (%) 0 0 0 0 0 10 10 20 20 10 20 5 50 50 0 0 5
Precip Type T T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.00
12 Hour QPF 0.00 0.00 0.00 0.07
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.08 0.20 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) 13.3 13.0 12.9 13.2 13.5 13.6 13.7 14.1 14.3 14.5 14.7 14.6 14.5 14.5 14.3 13.7 13.5
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC SC BK BK OV OV OV BK OV OV OV BK SC BK
Cloud Cover (%) 40 25 15 35 45 65 60 90 100 80 60 70 75 80 65 50 55
Temperature 56 61 72 77 75 65 61 60 58 59 68 71 67 58 56 54 52
Max/Min Temp 77 56 72 51
Wind Dir SW W W NW N NE SE S S S SW SW SW SW S S S
Wind (mph) 3 3 4 6 6 5 6 6 8 8 9 8 6 6 5 6 6
Wind Gust (mph) 26 26
Precip Prob (%) 0 0 0 20 10 10 20 20 20 5 10 50 70 70 10 10 20
Precip Type T T T T T T R T R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.05 0.03 0.00
12 Hour QPF 0.00 0.00 0.05 0.03
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.01 0.11 0.23 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) 13.2 13.2 13.6 14.1 14.3 14.4 14.4 14.4 14.7 14.7 14.8 14.9 14.9 14.7 14.4 14.0 13.7
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW SC BK BK BK OV OV OV BK OV OV OV OV SC SC
Cloud Cover (%) 45 30 20 35 55 55 60 75 95 85 65 75 75 80 70 45 50
Temperature 56 61 74 77 76 65 61 59 57 59 70 72 69 60 56 54 52
Max/Min Temp 78 56 74 52
Wind Dir SW W NW NW N NE SE S S S SW SW S SW S S S
Wind (mph) 3 2 4 6 6 5 6 8 8 6 8 6 5 6 6 6 6
Wind Gust (mph) 23
Precip Prob (%) 0 0 0 10 10 20 20 20 10 10 20 50 70 70 5 5 10
Precip Type T T T T T T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.07 0.06 0.00
12 Hour QPF 0.00 0.00 0.07 0.06
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.01 0.14 0.27 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) 13.2 13.1 13.3 13.8 14.0 14.1 14.3 14.4 14.6 14.7 14.9 15.0 14.9 14.8 14.4 14.0 13.7
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW SC BK OV BK OV OV OV SC BK OV OV BK BK BK
Cloud Cover (%) 45 25 15 35 50 75 65 90 95 85 40 60 75 75 70 55 65
Temperature 51 58 76 83 82 67 60 57 54 59 71 76 71 60 56 52 48
Max/Min Temp 84 52 77 47
Wind Dir SW NW W W W NE NE S S S SW SW SW S S SE S
Wind (mph) 3 2 3 8 6 5 5 5 4 3 8 8 5 3 2 1 2
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 10 10 10 10 10 0 5 20 50 50 10 10 20
Precip Type T T T T T R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.03 0.07 0.00
12 Hour QPF 0.00 0.00 0.03 0.07
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.07 0.18 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) 13.6 14.1 14.1 14.4 14.7 14.6 14.5 14.6 14.8 14.8 14.8 14.9 15.1 14.8 14.5 14.2 13.9
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW SC BK BK BK OV OV OV SC OV OV OV BK BK BK
Cloud Cover (%) 35 30 20 35 55 65 60 90 100 90 45 70 80 85 60 50 50
Temperature 57 62 71 76 74 65 63 61 59 61 69 72 68 59 56 55 54
Max/Min Temp 76 58 73 53
Wind Dir W SW N N N N E SE S SW SW SW SW S S SW SW
Wind (mph) 3 2 4 6 11 13 5 5 8 5 8 9 8 6 6 8 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 10 20 20 20 20 10 20 10 70 70 5 5 5
Precip Type T T T T T T T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.06 0.00
12 Hour QPF 0.00 0.00 0.02 0.06
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.00 0.13 0.22 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) 13.2 13.0 13.2 13.8 14.1 14.2 14.4 14.3 14.6 14.7 14.6 14.7 14.8 14.6 14.1 13.7 13.3
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC SC OV BK OV OV BK BK OV OV OV BK BK BK
Cloud Cover (%) 45 25 20 40 50 75 70 95 95 65 55 70 80 75 65 55 60
Temperature 57 62 75 79 78 67 64 62 60 62 71 74 69 59 57 54 53
Max/Min Temp 80 58 75 52
Wind Dir SW W NW NW N NE E S S S SW SW SW SW SE S S
Wind (mph) 4 3 4 6 6 8 5 8 9 9 11 10 8 6 5 6 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 10 20 20 20 20 10 5 30 60 60 10 10 10
Precip Type T T T T T T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.05 0.05 0.00
12 Hour QPF 0.00 0.00 0.05 0.05
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.00 0.12 0.22 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) 13.2 13.6 13.9 14.2 14.5 14.6 14.6 14.5 14.7 14.7 14.7 14.9 14.9 14.6 14.3 13.9 13.5
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC SC OV OV OV OV BK BK BK OV OV BK BK BK
Cloud Cover (%) 35 20 20 35 50 75 70 90 100 60 50 65 75 80 60 60 60
Temperature 57 62 74 79 78 68 64 62 60 62 69 73 69 60 57 55 53
Max/Min Temp 80 58 74 52
Wind Dir NW NW W W N NE E S SE S S SW SW SW E E SE
Wind (mph) 4 4 3 8 6 6 6 8 6 8 11 11 9 6 4 4 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 10 20 10 20 10 5 5 40 60 60 10 10 20
Precip Type T T T T T T T R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.05 0.03 0.00
12 Hour QPF 0.00 0.00 0.05 0.03
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.01 0.10 0.21 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) 13.8 14.1 14.1 14.5 14.7 14.6 14.6 14.7 14.8 14.8 14.8 14.8 14.8 14.6 14.4 14.1 13.8
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW BK SC OV OV OV OV BK SC OV OV OV BK SC SC
Cloud Cover (%) 30 25 20 55 45 75 75 90 100 55 50 70 80 80 55 45 40
Temperature 56 61 74 80 78 68 64 61 59 60 71 75 70 60 57 54 52
Max/Min Temp 80 58 76 52
Wind Dir N SE SW NW N NE E E SE S SW SW SW S S S S
Wind (mph) 3 2 3 5 8 9 9 5 5 5 6 8 6 5 4 4 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 10 10 30 20 20 20 0 0 30 40 40 5 5 5
Precip Type R T T T T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.02 0.00
12 Hour QPF 0.00 0.00 0.02 0.02
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.00 0.06 0.14 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) 12.9 12.9 13.2 13.9 14.1 14.3 14.5 14.4 14.4 14.3 14.2 14.4 14.4 14.1 13.7 13.3 12.9
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW BK SC OV OV OV OV BK SC OV OV OV BK BK SC
Cloud Cover (%) 40 25 20 55 45 75 80 95 100 55 50 75 75 80 60 55 40
Temperature 57 62 74 78 77 68 64 62 60 60 70 73 68 60 57 54 53
Max/Min Temp 79 58 74 52
Wind Dir SW SW W NW NE E E SE S S SW SW W S S S S
Wind (mph) 4 2 3 5 6 8 6 5 6 6 8 8 6 5 4 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 10 20 30 30 20 20 20 30 50 50 5 5 5
Precip Type T T T R R T R T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.03 0.01 0.00
12 Hour QPF 0.00 0.00 0.03 0.01
Low End QPF 0.00 0.00 0.02 0.00
High End QPF 0.01 0.07 0.16 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) 13.0 13.0 13.4 14.0 14.3 14.4 14.5 14.4 14.6 14.5 14.4 14.5 14.4 14.3 13.7 13.4 13.0
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC SC FW SC BK OV OV OV OV SC BK OV OV OV BK BK BK
Cloud Cover (%) 40 25 20 50 60 75 75 90 90 45 50 75 85 75 55 55 55
Temperature 57 63 75 80 78 68 63 61 59 61 71 74 68 59 55 53 52
Max/Min Temp 80 58 75 51
Wind Dir W W NW NW N E SE S S S SW SW SW SW S S S
Wind (mph) 4 3 4 5 6 6 6 8 8 9 10 10 8 5 5 6 8
Wind Gust (mph) 27
Precip Prob (%) 0 0 0 20 20 30 20 20 20 5 0 30 60 60 10 10 5
Precip Type T T R T T T T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.03 0.05 0.00
12 Hour QPF 0.00 0.00 0.03 0.05
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.01 0.07 0.17 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) 13.4 13.6 13.8 14.2 14.6 14.7 14.6 14.6 14.7 14.5 14.5 14.7 14.6 14.3 13.9 13.5 13.2
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC BK BK BK BK OV OV BK OV OV OV BK SC SC
Cloud Cover (%) 35 10 25 40 70 55 55 60 90 75 60 70 75 75 65 45 45
Temperature 50 57 70 73 72 57 53 52 51 56 66 68 63 55 52 50 48
Max/Min Temp 74 49 70 47
Wind Dir SW W W NW N NE SE SE S S SW SW SW SW SW SW SW
Wind (mph) 4 3 6 9 9 8 5 5 5 8 10 9 6 6 5 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 20 20 10 20 20 5 5 20 60 60 5 5 20
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.06 0.05 0.00
12 Hour QPF 0.00 0.00 0.06 0.05
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.02 0.05 0.25 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) 13.6 13.2 13.5 14.2 14.3 14.2 14.3 14.4 14.6 14.7 15.0 15.1 15.0 14.7 14.6 14.2 14.1
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC BK BK BK BK OV OV BK OV OV OV BK BK SC
Cloud Cover (%) 30 15 20 40 65 60 60 55 95 80 65 75 75 75 70 50 50
Temperature 56 63 71 74 72 61 58 56 56 60 68 69 66 59 57 56 55
Max/Min Temp 74 54 71 54
Wind Dir W W N N NE NE S S SW SW SW S SW SW SW SW SW
Wind (mph) 6 5 8 9 9 8 5 5 6 8 8 6 6 10 11 11 12
Wind Gust (mph) 28 25 28 27 26 24 33
Precip Prob (%) 0 0 0 20 10 20 20 20 20 0 10 30 50 50 5 5 10
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.07 0.08 0.00
12 Hour QPF 0.00 0.00 0.07 0.08
Low End QPF 0.00 0.00 0.02 0.00
High End QPF 0.02 0.05 0.21 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) 13.6 13.3 13.5 13.9 14.1 13.9 14.1 14.3 14.4 14.7 15.0 15.1 15.0 14.7 14.6 14.1 13.9
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC BK BK BK OV OV OV BK BK OV OV BK SC SC
Cloud Cover (%) 35 20 20 40 55 60 65 80 95 80 60 70 75 75 65 50 50
Temperature 53 60 74 78 77 64 59 57 55 59 69 72 68 60 56 53 51
Max/Min Temp 79 53 74 50
Wind Dir SW W NW NW N NE SE S S S SW SW SW SW S S S
Wind (mph) 4 3 4 8 8 5 5 5 5 6 9 8 6 6 5 5 5
Wind Gust (mph) 24 24 26 26 24 24 26
Precip Prob (%) 0 0 0 20 20 10 10 20 20 5 5 30 60 60 5 5 20
Precip Type T T T T T T T R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.05 0.05 0.00
12 Hour QPF 0.00 0.00 0.05 0.05
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.02 0.08 0.24 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) 13.4 13.3 13.6 14.2 14.4 14.3 14.4 14.5 14.6 14.8 14.9 15.0 15.0 14.8 14.5 14.1 13.9
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) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a
Cloud Cover SC FW FW SC SC OV BK BK OV OV BK BK BK OV OV BK BK
Cloud Cover (%) 35 20 10 30 30 70 60 70 95 85 70 60 65 85 80 55 55
Temperature 59 65 74 77 76 65 61 58 56 60 69 73 72 63 60 58 56
Max/Min Temp 78 55 75 55
Wind Dir NW NW N N NE E SE SE SE S S S S SW SW SW W
Wind (mph) 5 4 5 8 10 12 10 8 6 4 8 9 8 6 8 9 10
Wind Gust (mph) 27 32 31
Precip Prob (%) 0 0 0 5 5 0 10 20 10 5 20 5 50 50 10 10 5
Precip Type T T T
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00
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 0.04 0.15 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) 13.3 13.0 13.0 13.3 13.6 13.5 13.5 14.0 14.3 14.4 14.7 14.7 14.5 14.3 14.5 13.8 13.6
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