Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
683
FWUS45 KTFX 301003
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
401 AM MDT Wed Sep 30 2026
...Glacier National Park/Marias Pass...
Date Wednesday 09/30/26 Thursday 10/01/26
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 OV BK SC SC SC SC BK OV OV SC SC SC BK BK BK BK BK
Cloud Cover (%) 70 65 50 35 35 40 60 70 75 25 30 45 60 65 60 60 65
Temperature 43 42 44 46 44 39 36 36 36 38 45 48 45 40 39 39 40
Max/Min Temp 47 35 48 38
Wind Dir W W W W W W SW SW SW W NW SW S S SW SW SW
Wind (mph) 14 10 9 10 8 5 4 4 3 3 5 5 4 5 6 9 11
Wind Gust (mph) 47 31
Precip Prob (%) 40 20 10 5 0 0 0 0 5 0 0 0 5 5 10 10 0
Precip Type R R
6 Hour QPF 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.01 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.08 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) 8.5 7.7 7.4 7.6 7.5 7.1 6.8 6.5 6.3 6.5 7.2 7.5 7.6 7.5 7.7 8.0 8.5
Snow Density (%) 50 33 33 50 50 33 33 25 25 25 33 50 50 50 100 100 100
...Bob Marshall/Scapegoat Wilderness...
Date Wednesday 09/30/26 Thursday 10/01/26
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 OV OV OV BK BK BK BK BK OV BK SC BK OV BK BK BK SC
Cloud Cover (%) 70 75 70 55 55 55 55 65 80 55 35 55 75 55 55 55 50
Temperature 44 44 47 49 47 40 37 36 36 38 48 51 49 41 39 39 39
Max/Min Temp 50 35 51 39
Wind Dir W W W W W W W SW W W NW NW SE SE SW SW SW
Wind (mph) 17 12 11 10 8 4 3 3 3 3 4 5 3 3 4 5 6
Wind Gust (mph) 50 36 28
Precip Prob (%) 30 20 10 10 5 0 0 0 0 0 0 0 5 5 0 0 0
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 0.10 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) 9.7 9.2 9.0 8.9 8.8 8.2 7.7 7.5 7.4 7.4 8.0 8.4 8.6 8.6 9.1 9.2 9.4
Snow Density (%) 100 50 50 50 50 50 50 50 50 50 50 100 100 100 100 100 100
...Nevada Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC OV OV BK BK SC SC BK SC SC SC
Cloud Cover (%) 60 65 55 50 45 50 40 75 70 70 50 45 50 50 45 50 40
Temperature 49 48 51 53 51 44 40 39 39 41 50 54 53 45 42 41 41
Max/Min Temp 54 38 55 40
Wind Dir W W W W W W W W W W W NW N NW SW SW SW
Wind (mph) 13 11 12 12 10 5 3 3 2 3 4 5 4 3 3 4 5
Wind Gust (mph) 36 33
Precip Prob (%) 10 10 5 5 0 0 0 0 0 0 0 0 5 5 5 5 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 0.03 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) 10.0 9.7 9.5 9.7 9.5 9.1 8.6 8.5 8.5 8.1 8.6 9.0 9.2 9.5 9.8 9.8 9.7
Snow Density (%) 0 100 100 0 0 0 100 100 100 100 100 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC BK SC BK SC BK BK SC SC BK SC BK SC SC SC
Cloud Cover (%) 15 25 35 50 25 55 40 50 60 45 50 60 50 55 40 35 40
Temperature 45 47 54 55 53 44 40 38 37 41 51 55 54 45 41 40 38
Max/Min Temp 56 37 56 38
Wind Dir W W W W NW NW W W W NW NW N N NW SW SW SW
Wind (mph) 10 9 10 11 10 6 4 3 3 3 5 5 4 3 3 4 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 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) 10.4 10.1 10.1 10.4 10.5 10.2 9.8 9.7 9.8 9.5 9.8 10.2 10.3 10.4 10.5 10.4 10.3
Snow Density (%) 0 100 100 0 0 0 100 100 100 100 100 0 0 0 0 0 0
...Big Belt Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC SC SC SC SC BK OV BK BK BK BK SC SC SC SC
Cloud Cover (%) 20 30 35 50 30 45 40 60 80 65 55 55 55 50 45 45 40
Temperature 48 50 55 56 54 46 43 41 40 42 50 55 54 47 43 42 41
Max/Min Temp 57 40 56 41
Wind Dir SW W W W NW NW NW SW SW SW NW NW N NE SE S S
Wind (mph) 10 11 13 12 10 5 3 3 2 3 4 5 4 4 4 5 6
Wind Gust (mph) 36 34 33
Precip Prob (%) 0 0 0 0 5 0 0 5 5 5 0 0 5 5 5 5 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) 10.2 9.9 9.7 9.9 9.9 9.6 9.2 9.0 9.0 8.7 8.9 9.2 9.3 9.6 10.1 10.1 10.0
Snow Density (%) 0 0 0 0 0 0 0 100 100 100 100 0 0 0 0 0 0
...Little Belt Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 BK OV BK SC BK BK OV OV BK BK OV BK BK BK SC
Cloud Cover (%) 35 40 55 70 55 50 55 70 90 75 70 65 80 60 55 50 45
Temperature 48 49 54 54 51 43 39 37 37 41 50 53 51 43 40 39 40
Max/Min Temp 56 37 54 39
Wind Dir W W W W NW NW S S S SW W NW NE SE S S SW
Wind (mph) 14 17 18 13 8 4 3 4 4 5 6 6 5 4 6 6 8
Wind Gust (mph) 44 41 35 32 26
Precip Prob (%) 0 0 5 10 5 5 5 10 10 20 0 0 10 10 10 10 5
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 0.05 0.02 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) 10.2 9.8 9.7 9.9 9.7 9.3 8.9 8.8 8.7 8.4 8.7 8.9 8.9 8.9 9.5 9.9 9.9
Snow Density (%) 0 100 100 0 0 100 100 100 50 50 100 100 100 100 0 0 0
...Highwood Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 OV BK BK BK BK OV OV OV BK SC BK BK BK BK BK
Cloud Cover (%) 45 50 75 60 60 70 55 75 95 90 60 40 65 60 60 55 55
Temperature 53 55 52 52 50 46 42 41 41 43 49 53 52 45 42 42 43
Max/Min Temp 56 40 54 42
Wind Dir W W W NW N E SE SE SE W NW N NE E SE S SW
Wind (mph) 27 25 18 10 5 6 6 6 3 3 5 5 4 6 6 5 4
Wind Gust (mph) 47
Precip Prob (%) 5 5 20 10 0 0 0 5 5 5 0 0 10 10 5 5 0
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 0.21 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) 9.9 9.5 9.4 9.3 9.0 8.5 8.2 8.0 8.0 7.7 8.0 8.1 8.0 7.9 8.1 9.3 9.5
Snow Density (%) 0 0 0 0 0 100 100 100 100 100 100 100 100 0 0 0 0
...Snowy/Judith Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 BK OV BK BK OV OV OV OV OV BK BK BK BK BK BK
Cloud Cover (%) 30 30 65 70 60 60 75 80 95 90 70 70 65 55 60 65 50
Temperature 51 54 59 56 52 46 42 41 40 43 49 53 51 44 41 40 39
Max/Min Temp 61 39 55 39
Wind Dir W W NW NW NW N E SE SE SE SE SE E SE S S S
Wind (mph) 11 12 17 12 9 5 4 5 8 8 8 6 6 8 8 8 8
Wind Gust (mph) 39 37 34
Precip Prob (%) 0 0 5 5 5 10 20 20 30 40 5 0 10 10 20 20 5
Precip Type R R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.03 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.03 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.13 0.10 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) 10.2 9.9 9.8 9.9 9.8 9.4 9.0 8.9 8.9 8.5 8.6 8.7 8.7 8.4 8.5 9.4 9.8
Snow Density (%) 0 0 0 0 0 0 100 100 100 100 100 100 100 100 100 0 0
...Bears Paw Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC SC FW SC BK OV OV OV BK SC SC BK BK BK BK
Cloud Cover (%) 70 65 45 45 20 35 55 75 100 75 55 40 50 55 65 65 55
Temperature 50 50 52 53 51 43 40 38 38 41 48 51 50 41 39 37 36
Max/Min Temp 55 37 52 36
Wind Dir W W NW NW N N NE E SE SE SE SE SE SE SE SE SE
Wind (mph) 13 12 12 11 8 3 2 3 5 8 8 6 4 5 6 5 4
Wind Gust (mph) 31
Precip Prob (%) 20 20 0 0 0 0 0 0 5 10 0 0 5 5 10 10 0
Precip Type 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 0.04 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) 9.4 8.7 8.0 7.4 7.1 6.9 6.6 6.2 5.8 6.0 6.7 7.0 7.0 6.8 6.9 7.8 8.5
Snow Density (%) 0 0 100 100 100 100 100 100 50 50 50 50 100 100 100 100 0
...Castle/Crazy Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC SC OV OV OV BK OV BK BK BK SC SC SC
Cloud Cover (%) 10 10 25 45 30 25 75 75 85 65 70 65 60 65 50 45 40
Temperature 46 49 56 57 55 47 43 40 38 39 49 54 53 45 41 39 38
Max/Min Temp 58 37 55 37
Wind Dir SW W W W NW NW SW SE SE SE NW NW NE E E SE S
Wind (mph) 12 12 18 16 12 5 5 5 4 4 5 6 5 8 6 5 5
Wind Gust (mph) 35 36 39 35
Precip Prob (%) 0 0 0 0 5 5 5 5 10 5 0 0 10 10 5 5 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 0.01 0.02 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) 10.4 10.1 10.0 10.2 10.4 10.3 9.9 9.7 9.6 9.5 9.4 9.7 9.7 9.6 10.3 10.4 10.3
Snow Density (%) 0 0 0 0 0 0 100 100 100 100 100 100 100 0 0 0 0
...Bridger Range...
Date Wednesday 09/30/26 Thursday 10/01/26
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 CL FW FW SC BK SC BK SC BK BK BK BK SC SC SC
Cloud Cover (%) 5 5 5 25 10 25 55 45 55 45 55 65 60 50 40 40 40
Temperature 45 48 57 59 57 48 44 41 39 41 51 56 55 47 42 39 39
Max/Min Temp 59 38 57 39
Wind Dir W W W W NW N E SE SE SE W NW NE E SE SE S
Wind (mph) 6 5 11 10 8 5 4 5 4 3 4 5 3 5 6 4 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 5 0 5 5 5 0 0 5 5 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) 10.6 10.4 10.2 10.5 10.7 10.7 10.4 10.3 10.2 10.1 9.9 10.0 10.2 10.4 10.8 10.8 10.6
Snow Density (%) 0 0 0 0 0 0 0 0 100 100 100 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Wednesday 09/30/26 Thursday 10/01/26
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 FW FW FW FW FW SC FW SC SC SC SC SC SC FW
Cloud Cover (%) 5 5 5 10 5 10 15 20 40 20 45 45 50 40 35 30 25
Temperature 39 42 54 57 55 45 40 38 37 40 52 56 53 44 41 39 38
Max/Min Temp 58 36 56 38
Wind Dir SW SW W W NW N N SW SW SW W NW NW S S S S
Wind (mph) 5 4 5 9 6 4 2 2 3 4 6 8 5 3 4 5 5
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) 11.0 10.9 10.9 11.2 11.2 11.1 11.0 10.9 10.9 10.8 11.1 11.4 11.4 11.4 11.4 11.2 11.0
Snow Density (%) 0 100 0 0 0 0 0 100 100 100 100 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 FW FW FW FW SC SC SC SC SC SC SC SC SC SC
Cloud Cover (%) 10 5 10 15 10 15 20 30 40 25 45 50 40 45 40 30 30
Temperature 40 44 56 58 56 45 40 38 37 40 53 56 54 45 41 39 38
Max/Min Temp 59 36 56 38
Wind Dir SW SW W NW NW N N S SW W NW NW N SE S S S
Wind (mph) 6 5 5 9 8 3 2 2 3 3 6 8 5 4 5 5 6
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) 10.9 10.8 10.9 11.2 11.2 11.0 10.9 10.8 10.8 10.7 11.0 11.2 11.2 11.2 11.4 11.1 11.0
Snow Density (%) 0 100 0 0 0 0 100 100 100 100 100 0 0 0 0 0 0
...Lionhead Range...
Date Wednesday 09/30/26 Thursday 10/01/26
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 CL FW CL FW FW FW FW FW FW SC SC SC SC SC FW
Cloud Cover (%) 5 5 5 10 5 15 15 10 25 5 20 35 45 45 40 25 20
Temperature 35 40 58 62 60 46 42 38 36 40 54 59 57 46 42 38 36
Max/Min Temp 63 34 60 35
Wind Dir NE NE W W W E NE E SE SW SW SW SW S S S S
Wind (mph) 1 1 2 4 3 2 1 1 1 2 6 6 4 3 2 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) 11.2 11.1 11.0 11.5 11.6 11.5 11.3 11.2 11.2 10.9 11.1 11.6 11.6 11.6 11.5 11.3 11.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC FW BK SC SC SC BK SC SC SC FW
Cloud Cover (%) 5 10 5 15 15 20 25 25 55 30 45 50 60 45 45 35 25
Temperature 42 45 54 56 55 46 42 39 37 41 50 55 53 45 42 40 39
Max/Min Temp 57 37 55 39
Wind Dir W W W W NW NE N W W W NW N N NE SW SW SW
Wind (mph) 8 8 8 9 6 6 5 3 2 3 5 6 5 5 3 4 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 5 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) 10.9 10.7 10.6 10.9 11.1 10.9 10.7 10.7 10.6 10.5 10.7 11.0 11.1 11.2 11.2 11.0 10.8
Snow Density (%) 0 100 100 0 0 0 100 100 100 100 100 0 0 0 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Wednesday 09/30/26 Thursday 10/01/26
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 CL CL CL FW FW SC SC FW SC SC SC SC SC SC FW
Cloud Cover (%) 5 5 5 5 5 10 15 25 40 15 35 30 45 35 35 30 25
Temperature 41 44 57 60 58 47 43 40 38 42 54 60 58 47 44 41 39
Max/Min Temp 61 37 60 39
Wind Dir W W W NW NW N N N SW SW W NW NW E S S S
Wind (mph) 4 4 6 10 9 5 4 3 3 4 6 9 8 5 4 4 5
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) 11.1 10.9 10.9 11.2 11.3 11.2 11.1 11.0 10.9 10.7 11.2 11.5 11.6 11.6 11.4 11.2 11.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 CL CL FW FW FW FW SC FW FW SC BK SC SC SC FW
Cloud Cover (%) 10 5 5 5 5 10 10 15 30 10 15 40 50 40 30 25 20
Temperature 39 42 56 60 58 47 43 40 38 41 53 58 56 47 44 41 39
Max/Min Temp 60 38 58 39
Wind Dir N NW NW W NW N NE NE E S SW SW SW SW NE E E
Wind (mph) 3 3 4 8 8 3 4 4 3 4 6 9 6 3 3 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) 11.2 11.0 11.0 11.4 11.5 11.3 11.3 11.3 11.1 10.9 11.3 11.7 11.7 11.7 11.5 11.3 11.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC FW FW SC SC SC SC SC SC SC BK SC SC SC SC
Cloud Cover (%) 15 25 25 20 15 25 35 35 50 40 35 40 60 40 40 30 25
Temperature 42 44 53 55 54 43 40 38 37 39 51 57 55 45 42 40 38
Max/Min Temp 56 36 57 38
Wind Dir W W W W NW NW NW W NW W W NW NW NW W SW SW
Wind (mph) 5 5 8 9 9 6 3 2 2 2 5 6 5 4 2 2 3
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 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) 10.7 10.4 10.3 10.6 10.7 10.5 10.4 10.4 10.3 10.1 10.5 10.8 10.9 10.9 10.9 10.7 10.5
Snow Density (%) 0 100 100 0 0 0 0 100 100 100 100 0 0 0 0 0 0
...Pioneer Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC SC SC FW SC SC SC SC SC SC FW
Cloud Cover (%) 10 20 20 10 10 20 30 40 45 25 30 40 40 40 35 30 25
Temperature 40 43 54 56 55 44 40 38 36 39 52 57 56 45 42 39 38
Max/Min Temp 57 35 58 38
Wind Dir W W W W NW NW W SW W W W NW NW NW SW SW SW
Wind (mph) 6 6 8 10 9 6 4 3 3 4 5 8 5 4 3 4 4
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 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) 10.9 10.6 10.5 10.9 10.9 10.8 10.7 10.6 10.5 10.3 10.8 11.1 11.2 11.2 11.2 10.9 10.6
Snow Density (%) 0 100 100 0 0 0 0 100 100 100 100 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 SC FW FW SC SC SC SC SC FW
Cloud Cover (%) 5 10 5 5 5 15 15 20 35 20 25 35 40 35 35 30 25
Temperature 40 43 55 58 56 45 40 38 37 40 53 58 57 46 42 39 38
Max/Min Temp 58 36 59 38
Wind Dir W W NW NW NW N NW W W W W NW NW NW W SW SW
Wind (mph) 5 5 6 10 9 5 4 3 3 4 6 9 5 4 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) 11.0 10.9 10.8 11.1 11.2 11.2 11.1 10.9 10.7 10.6 11.1 11.5 11.5 11.5 11.4 11.1 10.7
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 Wednesday 09/30/26 Thursday 10/01/26
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 CL CL CL FW FW FW FW SC SC SC BK BK BK BK SC SC SC
Cloud Cover (%) 5 0 5 20 15 15 15 25 40 35 55 65 50 55 35 30 25
Temperature 34 38 53 57 53 41 37 34 34 38 50 53 49 40 38 35 34
Max/Min Temp 57 33 53 34
Wind Dir W W W W NW NE NE S S SW W W NW W S S SW
Wind (mph) 4 3 6 10 6 6 3 2 3 5 10 11 6 3 4 4 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 5 0 0 0 0 0 0 0 5 5 5 5 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) 11.0 10.8 11.1 11.6 11.5 11.2 11.0 11.0 10.9 10.9 11.3 11.5 11.5 11.4 11.4 11.1 11.0
Snow Density (%) 100 100 100 0 0 100 100 100 100 50 100 100 100 100 100 100 100
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Wednesday 09/30/26 Thursday 10/01/26
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 CL FW FW SC FW SC SC SC BK BK SC BK SC SC SC
Cloud Cover (%) 10 5 5 25 20 35 25 25 45 40 55 55 50 60 40 35 30
Temperature 42 46 56 58 54 45 40 37 36 40 49 52 49 42 39 38 38
Max/Min Temp 58 35 52 37
Wind Dir W W W NW N NE SW SW SW NW N N N SW SW SW SW
Wind (mph) 10 8 8 10 9 6 4 4 4 5 9 9 6 5 5 6 9
Wind Gust (mph) 25 31 27 26 24 27 28 27
Precip Prob (%) 0 0 0 0 5 0 0 0 0 0 0 0 5 5 5 5 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 0.01 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) 10.9 10.8 11.0 11.4 11.5 11.1 10.9 10.8 10.8 10.8 11.1 11.2 11.2 11.1 11.2 11.1 11.0
Snow Density (%) 100 100 100 100 100 100 100 100 100 50 100 100 100 100 100 100 100
...Absoraka Mountains Above 6000ft West Facing...
Date Wednesday 09/30/26 Thursday 10/01/26
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 CL FW FW FW FW FW SC FW SC BK SC SC SC SC FW
Cloud Cover (%) 5 5 5 15 10 15 15 20 35 25 45 50 45 50 35 30 25
Temperature 37 41 56 60 57 46 41 37 36 40 53 57 54 45 41 38 37
Max/Min Temp 60 35 58 37
Wind Dir SW SW W W NW N N SW S SW W W NW SW S S S
Wind (mph) 4 4 5 9 6 4 2 2 3 4 8 9 5 4 4 4 5
Wind Gust (mph) 26 24 26 21 29 29 23 23
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) 11.0 10.9 11.0 11.4 11.4 11.2 11.1 11.0 11.0 10.8 11.2 11.5 11.5 11.4 11.4 11.2 11.0
Snow Density (%) 0 0 0 0 0 0 0 100 100 100 100 0 0 0 0 0 0
...Crazy Mountains...
Date Wednesday 09/30/26 Thursday 10/01/26
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 FW SC OV BK BK BK BK BK BK BK SC SC SC
Cloud Cover (%) 15 10 15 35 20 35 80 55 60 55 65 65 60 65 45 45 40
Temperature 45 48 56 57 55 46 43 40 36 39 47 52 51 43 39 38 37
Max/Min Temp 58 36 53 37
Wind Dir W W W W NW NW S S S S W N NE E SE S SW
Wind (mph) 16 14 17 16 11 8 6 5 4 4 6 8 6 8 5 4 5
Wind Gust (mph) 36 37 39 35
Precip Prob (%) 0 0 0 0 5 5 5 5 10 10 0 0 10 10 5 5 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 0.01
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) 10.6 10.3 10.2 10.5 10.6 10.7 10.3 10.0 10.1 10.0 9.9 10.0 10.0 10.0 10.4 10.7 10.5
Snow Density (%) 0 100 100 0 0 100 100 100 50 50 50 100 100 100 100 0 0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain