Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
754
FWUS45 KTFX 291001
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Tue Sep 29 2026
...Glacier National Park/Marias Pass...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 BK BK BK BK OV OV OV OV OV BK OV BK SC SC SC BK OV
Cloud Cover (%) 70 60 65 65 70 80 75 75 70 70 70 55 30 30 40 60 80
Temperature 40 41 44 47 47 45 45 44 43 40 41 44 45 38 37 36 36
Max/Min Temp 50 40 47 36
Wind Dir SW SW SW SW SW SW SW W W NW NW W SW SW SW SW SW
Wind (mph) 31 27 26 24 21 24 21 19 13 10 9 9 6 5 5 4 4
Wind Gust (mph) 73 67 58 52 51 57 57 55 46 32
Precip Prob (%) 0 0 0 5 20 30 40 50 30 40 40 10 0 0 5 5 20
Precip Type R R R R S S S R S
6 Hour QPF 0.00 0.00 0.01 0.03 0.01 0.01 0.00 0.00
12 Hour QPF 0.00 0.04 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.22 0.12 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) 8.3 9.7 9.8 9.8 9.7 9.6 9.2 8.8 8.0 7.2 7.2 7.3 7.3 6.9 6.6 6.2 6.0
Snow Density (%) 100 100 100 100 100 100 50 50 25 25 25 25 33 33 25 25 25
...Bob Marshall/Scapegoat Wilderness...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 BK BK BK BK SC BK BK BK OV BK SC SC SC SC SC BK BK
Cloud Cover (%) 60 60 60 55 50 60 65 65 70 60 45 35 30 35 40 50 65
Temperature 39 41 47 51 51 47 47 46 44 43 46 49 50 40 37 36 36
Max/Min Temp 54 42 52 36
Wind Dir W W W W W W W W W W W W W NW S SW W
Wind (mph) 21 18 19 18 16 19 18 18 16 12 12 10 6 4 3 3 3
Wind Gust (mph) 65 51 47 47 47 50 50 49 47 36 29
Precip Prob (%) 0 0 0 0 5 5 10 10 20 10 0 0 0 0 0 0 10
Precip Type 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 0.04 0.04 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) 8.0 9.3 10.0 10.4 10.5 10.4 10.1 9.7 9.3 8.6 8.2 8.2 8.1 7.7 7.4 7.0 6.9
Snow Density (%) 0 100 100 100 100 100 100 100 50 33 33 50 50 50 33 33 33
...Nevada Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 BK BK BK SC BK SC BK BK BK SC SC FW FW SC SC BK
Cloud Cover (%) 40 50 60 55 35 60 50 50 60 60 45 40 10 25 30 45 55
Temperature 41 42 51 57 57 51 50 49 48 47 50 53 54 43 40 39 38
Max/Min Temp 59 46 56 38
Wind Dir W W W W W W W W W W W W NW NW NW W W
Wind (mph) 18 13 14 16 13 14 14 14 13 13 13 11 8 5 3 3 3
Wind Gust (mph) 46 42 35 37 37 42 40 39 39 32
Precip Prob (%) 0 0 0 0 5 0 0 0 5 0 0 0 0 0 0 0 5
Precip Type
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 0.01 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) 7.5 9.4 10.8 10.8 10.9 10.6 10.5 10.2 9.7 9.2 8.9 8.7 8.6 8.1 7.7 7.3 7.1
Snow Density (%) 0 0 0 0 0 0 0 0 100 100 100 100 0 100 100 50 50
...Elkhorn/Boulder Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW SC SC FW FW FW SC SC FW FW SC SC SC
Cloud Cover (%) 30 20 10 35 15 30 25 20 25 20 35 35 15 15 25 30 40
Temperature 37 41 53 59 58 49 46 44 42 45 52 55 55 44 40 37 36
Max/Min Temp 61 42 57 36
Wind Dir W W W W W W W W W W NW NW NW NW NW W SW
Wind (mph) 10 9 10 12 11 10 10 10 9 9 10 11 9 6 4 3 3
Wind Gust (mph) 29 26
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 7.3 7.6 9.6 10.5 10.9 10.7 10.7 10.4 10.1 9.7 9.8 9.8 9.8 9.4 8.9 8.0 7.8
Snow Density (%) 0 0 0 0 0 0 0 0 100 100 100 100 0 0 100 100 50
...Big Belt Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 SC SC SC SC SC FW FW SC SC SC
Cloud Cover (%) 15 15 5 25 20 25 30 35 30 30 35 40 15 15 30 35 40
Temperature 42 45 53 59 60 54 51 49 48 49 54 56 56 47 42 40 39
Max/Min Temp 62 47 58 39
Wind Dir SW SW SW W W W W W W W W NW NW N NE SE SE
Wind (mph) 13 12 14 16 12 11 11 10 10 12 13 12 9 5 3 4 4
Wind Gust (mph) 47 42 40 37 32 34 36 39 36 35 34 29
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type
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 0.00
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) 7.7 8.5 10.2 10.6 10.9 10.7 10.6 10.3 10.0 9.5 9.3 9.1 9.0 8.8 8.6 8.0 7.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 100 0 0 0 100 100 50
...Little Belt Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW FW FW SC SC SC BK BK SC FW SC SC SC
Cloud Cover (%) 15 10 5 15 20 20 20 35 30 50 65 55 45 25 40 40 50
Temperature 40 45 55 59 59 53 50 48 47 48 52 53 52 43 40 38 37
Max/Min Temp 61 46 56 37
Wind Dir SW SW W W W W W W W W W NW N NE SE S S
Wind (mph) 14 16 18 18 17 14 14 13 16 17 16 12 8 4 3 5 5
Wind Gust (mph) 42 41 40 37 36 40 41 42 46 41 34 32 26
Precip Prob (%) 0 0 0 0 5 5 0 0 0 0 0 0 0 0 0 0 30
Precip Type S
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 0.00
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) 7.6 8.5 10.3 10.6 10.8 10.6 10.6 10.3 10.0 9.4 9.2 9.1 8.8 8.4 8.3 7.9 7.7
Snow Density (%) 0 0 0 0 0 0 0 0 100 100 100 100 100 100 50 50 50
...Highwood Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL SC FW FW SC SC SC BK BK BK SC SC SC SC SC
Cloud Cover (%) 15 10 5 30 25 25 30 35 35 60 55 50 35 35 50 50 50
Temperature 45 50 57 61 61 58 56 55 54 53 53 52 51 46 43 42 41
Max/Min Temp 63 52 56 41
Wind Dir W W W W W W W W W W NW N N NE SE SE SE
Wind (mph) 24 25 28 27 25 23 25 25 25 21 17 11 8 5 6 5 4
Wind Gust (mph) 41 42 41 46 46 46 40
Precip Prob (%) 0 0 0 0 5 0 5 5 0 0 0 0 0 0 0 0 20
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 0.00
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) 7.7 9.3 10.5 10.7 10.7 10.6 10.4 10.1 9.7 9.1 8.6 8.3 8.2 8.0 7.6 7.5 7.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 100 100 100 50 50 50 50
...Snowy/Judith Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW FW FW FW SC SC BK SC SC SC SC BK BK
Cloud Cover (%) 10 10 0 10 20 20 25 25 30 35 50 40 30 30 50 55 55
Temperature 44 51 63 67 65 56 53 52 50 53 58 57 52 45 42 40 39
Max/Min Temp 68 49 60 38
Wind Dir SW W W W NW W W W W W NW NW N N SE SE SE
Wind (mph) 11 11 13 16 13 10 10 10 11 14 16 12 10 5 4 5 6
Wind Gust (mph) 32 31 35 39 40 37 39 40 40 35 34 29
Precip Prob (%) 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 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 0.00
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) 7.7 8.2 9.4 10.2 10.6 10.7 10.7 10.3 10.2 9.6 9.3 9.0 8.9 8.5 8.1 7.9 7.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50 50 50
...Bears Paw Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW SC SC SC BK BK SC SC FW SC SC BK OV
Cloud Cover (%) 35 25 20 15 25 30 40 45 60 55 40 40 15 30 45 65 70
Temperature 44 50 60 63 62 54 52 50 48 49 52 53 50 41 41 38 37
Max/Min Temp 65 46 55 37
Wind Dir W W W W W W W W W NW NW NW N N NE SE SE
Wind (mph) 13 17 21 20 19 17 14 13 13 12 12 10 6 3 2 3 4
Wind Gust (mph) 31 34 40 39 37 34 31
Precip Prob (%) 0 0 0 0 0 5 0 5 0 10 0 0 0 0 0 0 20
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 0.02 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) 7.3 9.2 10.5 10.5 10.3 10.1 9.6 9.4 9.0 8.4 7.4 6.9 6.7 6.3 6.1 5.8 5.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 50 50 50 50 50 33 33
...Castle/Crazy Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW FW FW SC SC FW FW SC SC SC
Cloud Cover (%) 10 15 5 10 10 10 15 15 15 20 30 30 15 20 35 40 40
Temperature 38 43 55 60 60 52 49 46 45 47 54 57 57 47 42 38 36
Max/Min Temp 61 44 59 36
Wind Dir SW SW W W W W W W W W W W NW N E E E
Wind (mph) 13 13 18 17 14 10 10 11 10 13 17 16 10 5 6 5 5
Wind Gust (mph) 36 39 43 42 35 27 31 33 31 36 39 35
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
Precip Type
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 0.00
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) 7.8 8.0 9.2 10.5 10.8 10.9 10.8 10.4 10.2 9.8 9.7 9.7 9.5 9.5 9.2 8.5 8.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 100 0 0 0 100 50 50
...Bridger Range...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW FW FW FW SC FW FW SC SC SC
Cloud Cover (%) 5 15 5 15 15 5 15 15 15 15 20 30 20 20 25 30 35
Temperature 37 42 54 60 60 52 49 46 44 47 55 59 58 48 43 39 37
Max/Min Temp 62 43 60 37
Wind Dir SW SW W W W W W W W W W NW N N E E E
Wind (mph) 8 6 10 11 10 5 5 5 5 6 10 9 6 5 5 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type
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 0.00
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) 8.1 8.0 8.7 10.3 10.8 10.9 10.7 10.4 10.2 10.0 10.1 10.2 10.2 10.2 9.8 9.1 8.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50
...Madison Range/Spanish Peaks...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 15 15 5 5 10 10 10 10 15 5 10 15 20 10 10 20 25
Temperature 33 37 49 56 55 46 43 40 38 41 52 56 54 44 40 37 36
Max/Min Temp 57 38 56 36
Wind Dir SW SW SW W W W W W W W NW NW NW N NE SE S
Wind (mph) 6 6 6 8 6 6 5 5 4 4 6 8 6 4 2 3 4
Wind Gust (mph) 26
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 8.6 8.4 9.2 10.1 10.6 10.7 10.8 10.5 10.5 10.5 10.8 10.9 10.9 10.7 10.5 10.0 9.7
Snow Density (%) 100 100 0 0 0 0 0 0 100 100 100 0 0 0 100 100 100
...Gallatin Range/Hyalite Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL CL FW FW FW FW FW FW FW FW SC FW FW FW SC
Cloud Cover (%) 10 10 5 5 15 10 10 10 20 10 15 25 25 15 15 20 30
Temperature 35 39 53 59 57 48 44 42 40 42 53 57 55 45 41 37 36
Max/Min Temp 60 39 57 36
Wind Dir SW SW W W W W W SW SW W NW NW N NW W S S
Wind (mph) 8 8 6 8 6 8 8 6 4 4 6 9 5 3 3 3 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 8.5 8.3 9.1 10.2 10.6 10.8 10.8 10.5 10.4 10.4 10.7 10.9 10.9 10.7 10.5 10.0 9.6
Snow Density (%) 100 0 0 0 0 0 0 0 100 100 100 0 0 0 100 100 100
...Lionhead Range...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW FW CL FW FW FW FW FW FW FW
Cloud Cover (%) 20 20 10 10 5 15 10 10 15 5 10 15 20 20 10 15 20
Temperature 32 36 51 57 57 45 41 38 34 38 54 60 58 46 41 36 33
Max/Min Temp 59 32 61 33
Wind Dir SE SW SW SW SW SW SW E E NW W W W W NE E SE
Wind (mph) 1 1 4 5 4 4 1 0 0 1 3 4 3 1 1 1 1
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 9.2 8.9 9.2 10.2 10.7 10.7 10.7 10.6 10.6 10.6 11.1 11.4 11.4 11.2 10.8 10.1 10.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW FW FW FW FW FW FW SC SC FW FW SC SC
Cloud Cover (%) 20 15 0 15 10 15 15 15 15 5 20 35 35 15 15 25 30
Temperature 34 39 50 56 56 49 45 42 40 43 51 55 55 46 41 38 36
Max/Min Temp 58 40 56 36
Wind Dir W W W W W W W W W W NW NW N N NE W SW
Wind (mph) 11 11 10 11 9 9 9 9 6 6 8 8 6 6 4 3 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 8.0 7.9 9.1 10.3 10.9 11.0 10.8 10.5 10.4 10.2 10.4 10.6 10.6 10.4 10.1 9.3 8.8
Snow Density (%) 0 0 0 0 0 0 0 0 100 100 100 100 100 0 100 100 100
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL CL FW FW FW FW FW CL FW FW FW FW FW FW FW
Cloud Cover (%) 10 10 5 5 10 10 15 10 10 5 10 20 20 10 10 15 20
Temperature 35 39 52 59 58 48 44 41 39 42 54 58 57 47 42 39 37
Max/Min Temp 60 38 59 37
Wind Dir SW SW W W W NW NW W W W NW NW NW N NE E S
Wind (mph) 5 6 6 9 9 8 5 5 4 4 8 10 8 5 4 3 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 8.4 8.2 9.0 10.1 10.7 10.8 10.7 10.6 10.6 10.4 10.7 10.9 10.9 10.7 10.5 10.0 10.0
Snow Density (%) 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100
...Centennial Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL CL FW FW FW FW FW CL FW FW FW FW FW FW FW
Cloud Cover (%) 15 10 5 5 5 10 10 10 10 5 5 25 20 10 10 15 15
Temperature 35 38 50 56 56 46 43 41 38 40 53 58 57 47 43 39 37
Max/Min Temp 57 37 59 37
Wind Dir W W W W W W NW NW NW NW NW NW NW NW N NE E
Wind (mph) 3 4 5 8 6 4 3 3 2 3 6 9 6 4 4 4 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 8.9 8.6 9.1 10.1 10.7 10.7 10.8 10.7 10.7 10.7 11.0 11.2 11.1 10.9 10.6 10.2 10.5
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW SC FW SC FW FW FW FW FW SC
Cloud Cover (%) 25 15 10 15 15 15 20 15 30 20 25 20 15 15 20 20 30
Temperature 31 36 49 56 56 46 43 41 39 41 50 55 54 43 39 37 35
Max/Min Temp 58 38 56 35
Wind Dir W W SW W W NW W W W W W NW NW NW NW S SW
Wind (mph) 5 6 8 10 10 6 6 6 4 5 8 9 6 5 3 2 2
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 7.5 7.5 9.2 10.3 10.8 10.6 10.6 10.4 10.1 9.8 10.0 10.0 9.8 9.3 8.9 8.6 8.3
Snow Density (%) 0 100 0 0 0 0 0 0 100 100 100 100 100 0 100 100 50
...Pioneer Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 25 15 5 15 15 15 15 15 20 15 20 20 15 15 15 20 25
Temperature 30 35 50 56 56 46 42 39 37 40 50 56 55 44 39 36 35
Max/Min Temp 58 36 57 35
Wind Dir W W W W W W W W W W W NW NW NW NW SW SW
Wind (mph) 8 8 8 11 11 8 8 8 6 8 8 10 8 5 3 3 3
Wind Gust (mph) 25
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 7.7 7.7 9.1 10.4 10.8 10.8 10.7 10.4 10.2 10.0 10.3 10.4 10.3 9.9 9.6 9.0 8.6
Snow Density (%) 100 100 0 0 0 0 0 0 100 100 100 100 0 0 0 100 100
...Beaverhead/Tendoy Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 15 10 5 10 15 15 15 10 15 5 10 25 20 10 10 15 20
Temperature 32 37 51 57 56 46 41 39 36 40 51 56 55 44 40 37 36
Max/Min Temp 58 36 57 36
Wind Dir W W W W NW W W W W W NW NW NW N N W S
Wind (mph) 5 6 6 9 9 5 5 5 4 5 8 10 8 5 4 3 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 8.2 8.1 9.2 10.3 10.8 10.8 10.8 10.6 10.5 10.2 10.6 10.8 10.8 10.6 10.4 10.2 10.0
Snow Density (%) 100 0 0 0 0 0 0 0 100 100 100 0 0 0 0 0 100
...Absoraka-Beartooth/Cooke City Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW FW CL FW SC SC SC FW SC SC
Cloud Cover (%) 30 20 15 5 10 10 10 10 15 5 20 35 45 25 20 25 35
Temperature 30 34 46 54 52 42 39 36 35 38 51 55 52 40 36 34 32
Max/Min Temp 55 34 55 32
Wind Dir SW SW SW W W W W W SW SW W NW N N NE S S
Wind (mph) 5 6 8 9 6 5 4 3 3 4 8 9 6 6 3 3 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 9.3 9.0 9.7 10.5 10.8 10.7 10.6 10.5 10.5 10.6 11.2 11.4 11.3 11.1 10.8 10.3 10.0
Snow Density (%) 50 50 100 0 0 0 100 100 100 100 100 100 100 100 100 50 50
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL CL FW FW FW FW FW FW FW SC BK SC SC SC SC
Cloud Cover (%) 10 10 5 5 10 10 10 10 20 5 15 40 60 40 30 30 30
Temperature 35 40 52 58 56 47 45 43 41 44 53 56 53 44 40 37 35
Max/Min Temp 58 40 57 35
Wind Dir SW SW W W NW SW W W SW W N N N NE NE S SW
Wind (mph) 13 14 9 9 6 10 10 9 8 6 9 10 8 6 4 4 5
Wind Gust (mph) 31 34 29 32 26 28 28 27 25 24
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.01
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) 8.8 8.6 9.5 10.5 10.8 10.7 10.7 10.6 10.5 10.6 11.0 11.1 11.0 10.6 10.4 10.1 9.8
Snow Density (%) 100 100 100 0 0 0 0 100 100 100 100 100 100 100 50 50 50
...Absoraka Mountains Above 6000ft West Facing...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 FW FW FW FW FW FW FW SC FW FW FW SC
Cloud Cover (%) 20 15 10 5 10 10 10 10 15 5 10 25 30 20 15 20 25
Temperature 32 37 50 57 57 46 42 39 37 41 53 58 56 45 40 37 35
Max/Min Temp 59 36 59 34
Wind Dir SW SW SW W W W W W SW W W NW NW N NE SE S
Wind (mph) 5 6 6 8 6 6 5 4 3 3 6 9 6 4 2 3 3
Wind Gust (mph) 41 41 43 42 40 39 32 26 21 24
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
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 0.00
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) 9.0 8.7 9.4 10.3 10.7 10.7 10.7 10.6 10.5 10.5 11.0 11.2 11.2 10.9 10.7 10.2 9.9
Snow Density (%) 100 100 0 0 0 0 0 0 0 100 0 0 0 0 100 100 100
...Crazy Mountains...
Date Tuesday 09/29/26 Wednesday 09/30/26
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 CL FW CL FW FW FW FW FW FW FW SC SC SC SC SC SC
Cloud Cover (%) 5 5 5 5 15 10 15 20 15 15 20 35 40 30 40 40 40
Temperature 38 43 54 59 58 51 48 46 44 46 53 57 56 46 41 38 36
Max/Min Temp 60 43 58 36
Wind Dir W W W W W W W W W W W NW NW NE E E SE
Wind (mph) 16 17 19 18 14 11 13 14 13 14 16 14 9 8 8 5 4
Wind Gust (mph) 37 41 44 42 35 32 33 33 37 39 35 26
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
Precip Type
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 0.00
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) 8.1 8.1 9.1 10.3 10.8 11.0 10.8 10.5 10.3 10.0 10.1 10.2 10.2 10.0 9.5 9.0 8.6
Snow Density (%) 0 0 0 0 0 0 0 0 100 100 100 100 100 100 50 50 50
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain