Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
264
FWUS45 KTFX 111001
AVGTFX
FWUS45 KTFX 111000
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Sun May 11 2025
...Glacier National Park/Marias Pass...
Date Sunday 05/11/25 Monday 05/12/25
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 OV OV BK BK OV OV OV OV OV BK BK SC SC OV OV OV
Cloud Cover (%) 70 90 85 65 55 75 75 85 75 75 65 65 35 40 70 75 90
Temperature 42 47 54 57 56 49 45 42 39 40 43 45 44 39 37 35 34
Max/Min Temp 58 38 46 33
Wind Dir SW SW S SW SW SW NW W SW SW SW SW SW W W W W
Wind (mph) 10 8 8 10 9 5 5 8 10 16 19 20 20 17 13 11 10
Wind Gust (mph) 34 42 44 43 37
Precip Prob (%) 5 30 40 50 30 40 40 80 60 60 50 50 20 20 40 40 80
Precip Type R T T T T T R S S S S S S S S S
6 Hour QPF 0.00 0.02 0.07 0.22 0.05 0.04 0.01 0.05
6 Hour Snow 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.2
12 Hour Snow 0.0 0.0 0.1 0.2
Snow Level (kft) 8.8 9.1 9.3 9.5 9.4 9.3 9.3 8.6 7.3 6.7 6.5 6.6 6.5 6.4 6.1 5.9 5.3
...Bob Marshall/Scapegoat Wilderness...
Date Sunday 05/11/25 Monday 05/12/25
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 OV OV BK BK BK BK BK OV OV OV OV BK OV OV OV OV
Cloud Cover (%) 65 80 70 65 55 65 65 60 70 70 75 75 55 70 80 85 75
Temperature 43 49 59 61 59 51 47 44 41 43 48 50 47 41 38 36 34
Max/Min Temp 62 40 51 34
Wind Dir S S SW SW W W SE SW W SW SW W W W W W W
Wind (mph) 4 5 10 10 9 6 6 8 9 13 17 17 16 12 10 9 9
Wind Gust (mph) 33 39 39 37 33 27
Precip Prob (%) 20 20 30 50 30 40 50 30 60 60 60 60 30 30 40 40 60
Precip Type T T T T T T T R S S R R S S S S S
6 Hour QPF 0.00 0.07 0.02 0.03 0.02 0.01 0.01 0.03
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
12 Hour Snow 0.0 0.0 0.0 0.1
Snow Level (kft) 10.1 10.2 10.3 10.1 9.9 9.7 9.4 8.9 7.9 7.2 7.1 7.3 7.0 6.6 6.3 6.0 5.7
...Nevada Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK BK BK BK SC SC BK BK BK BK BK OV OV OV OV
Cloud Cover (%) 75 80 60 70 55 55 45 45 55 55 65 70 65 85 90 90 85
Temperature 48 53 63 64 63 56 52 48 44 47 54 56 53 45 41 39 37
Max/Min Temp 66 43 57 37
Wind Dir SW S SW SW SW W S SW W SW SW SW W W W W W
Wind (mph) 4 8 12 11 10 8 8 9 10 14 18 16 14 12 9 9 8
Wind Gust (mph) 37 35
Precip Prob (%) 20 20 30 50 30 30 20 20 30 30 50 50 50 50 50 50 50
Precip Type T T T T R T R R R R R R R S S S S
6 Hour QPF 0.00 0.03 0.01 0.01 0.00 0.01 0.03 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
Snow Level (kft) 10.7 10.4 10.4 10.2 10.0 9.8 9.7 8.8 8.1 7.5 7.4 7.6 7.4 7.0 6.4 6.1 5.9
...Elkhorn/Boulder Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV BK BK SC BK SC SC SC SC BK OV OV OV OV OV OV
Cloud Cover (%) 65 80 55 65 45 60 35 35 35 35 60 75 80 90 90 95 85
Temperature 47 52 62 63 62 54 49 46 43 48 55 57 53 43 38 35 34
Max/Min Temp 65 43 58 34
Wind Dir SW S SW SW SW S S SW SW SW SW SW W NW W W NW
Wind (mph) 9 13 17 18 17 12 11 11 10 16 20 19 17 13 10 8 8
Wind Gust (mph) 33 40 41 40 29 28 29 37 46 42 36 33
Precip Prob (%) 20 20 30 50 20 20 10 0 20 20 30 30 70 70 70 70 60
Precip Type T T T T T T R S S R R R S S S S
6 Hour QPF 0.02 0.03 0.01 0.01 0.00 0.00 0.16 0.20
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8
12 Hour Snow 0.0 0.0 0.0 0.8
Snow Level (kft) 10.9 10.4 10.6 10.4 10.2 10.1 9.9 8.9 8.2 7.5 7.5 8.1 8.0 6.9 6.3 6.0 6.1
...Big Belt Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV BK OV BK BK FW SC SC SC BK BK OV OV OV OV OV
Cloud Cover (%) 65 80 50 70 50 50 25 40 30 30 55 65 80 85 90 90 90
Temperature 50 54 63 65 63 56 52 49 47 51 58 61 57 49 43 40 39
Max/Min Temp 67 46 61 39
Wind Dir S S SW SW SW S S S SW SW SW SW W W W W W
Wind (mph) 9 12 16 17 16 12 11 12 11 16 20 19 17 13 11 9 8
Wind Gust (mph) 26 37 43 47 40 34 32 32 33 43 50 47 40 34 26
Precip Prob (%) 20 30 30 60 30 20 5 0 20 20 30 30 60 60 60 60 50
Precip Type T R T R R T R R R R R R S S S
6 Hour QPF 0.02 0.05 0.01 0.01 0.00 0.00 0.10 0.13
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
12 Hour Snow 0.0 0.0 0.0 0.1
Snow Level (kft) 10.9 10.5 10.4 10.7 10.3 10.2 10.0 9.4 8.6 7.8 7.6 8.1 8.1 7.3 6.6 6.2 6.2
...Little Belt Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV SC OV SC BK SC SC FW FW BK BK OV OV OV OV OV
Cloud Cover (%) 65 80 45 75 50 60 35 35 20 20 55 55 75 80 85 90 90
Temperature 49 56 63 65 62 54 50 49 47 53 60 63 58 48 42 38 37
Max/Min Temp 67 46 63 36
Wind Dir S SW SW SW SW S S S SW SW SW SW W W W W W
Wind (mph) 5 9 13 14 12 10 9 10 10 14 19 17 13 11 9 8 6
Wind Gust (mph) 32 34 32 28 33 41 39 34
Precip Prob (%) 20 40 20 60 30 10 5 5 10 10 30 30 60 60 60 60 40
Precip Type T T T R R T R R R R R R S S S
6 Hour QPF 0.03 0.04 0.01 0.01 0.00 0.00 0.09 0.11
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
12 Hour Snow 0.0 0.0 0.0 0.1
Snow Level (kft) 10.8 10.8 10.5 10.8 10.7 10.4 10.1 9.9 8.8 8.2 7.9 8.5 8.5 7.8 6.8 6.4 6.4
...Highwood Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK SC SC SC FW FW BK BK BK OV OV OV OV
Cloud Cover (%) 55 70 65 70 60 50 45 45 25 25 55 55 70 75 90 95 85
Temperature 53 59 64 66 63 57 54 53 51 55 60 63 58 51 46 43 41
Max/Min Temp 69 51 63 41
Wind Dir SW SW SW SW SW S S SW SW W W W W W W W W
Wind (mph) 5 6 10 11 10 8 9 11 12 16 18 18 19 17 16 14 13
Wind Gust (mph)
Precip Prob (%) 20 30 20 50 30 20 10 10 20 20 30 30 50 50 60 60 40
Precip Type T R T T T T R R R R R R R R S S
6 Hour QPF 0.01 0.07 0.01 0.00 0.00 0.01 0.08 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
Snow Level (kft) 10.7 10.8 10.3 10.7 10.5 10.4 10.1 9.7 8.7 8.2 8.1 8.1 8.2 7.7 6.8 6.4 6.1
...Snowy/Judith Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV SC FW FW SC SC OV OV BK BK OV
Cloud Cover (%) 85 70 70 65 60 65 75 40 20 15 45 50 70 75 70 70 75
Temperature 54 61 67 70 67 59 55 53 51 61 68 71 68 55 48 43 41
Max/Min Temp 72 50 71 40
Wind Dir SW SW SW SW SW SW S S S SW SW SW W NW NW NW NW
Wind (mph) 8 6 10 13 13 10 9 10 11 14 18 17 14 16 16 16 13
Wind Gust (mph) 31 33 40 37 35 37 36 36 36
Precip Prob (%) 0 5 5 40 20 10 5 0 5 5 20 20 60 60 50 50 20
Precip Type T T T R R R R R R S
6 Hour QPF 0.01 0.02 0.01 0.00 0.00 0.00 0.01 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
Snow Level (kft) 11.0 10.9 10.9 11.1 11.1 10.6 10.3 10.1 9.8 8.9 8.7 9.3 9.3 8.9 7.9 7.1 6.6
...Bears Paw Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV SC BK BK SC SC SC FW BK BK BK BK OV OV OV
Cloud Cover (%) 50 65 80 50 60 60 50 30 30 25 55 55 70 60 85 85 85
Temperature 53 61 67 72 67 58 54 52 51 58 66 69 65 54 50 45 43
Max/Min Temp 72 50 69 43
Wind Dir W E S SW W SE SE S SW W W W W NW W W W
Wind (mph) 5 5 8 10 10 5 5 5 8 13 17 18 17 16 14 14 14
Wind Gust (mph)
Precip Prob (%) 0 5 20 20 30 20 20 5 20 20 30 30 40 40 50 50 30
Precip Type T T T T R R R R R R R R R R R
6 Hour QPF 0.01 0.09 0.02 0.00 0.00 0.00 0.02 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
Snow Level (kft) 10.2 10.7 10.4 10.5 10.5 10.4 10.2 9.9 9.6 8.5 8.1 8.4 8.1 7.8 7.0 6.5 6.2
...Castle/Crazy Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV SC BK SC BK FW SC FW FW SC BK OV OV OV OV OV
Cloud Cover (%) 60 75 50 60 45 60 15 30 10 5 35 55 70 75 80 90 90
Temperature 49 55 63 64 63 55 50 48 46 53 61 64 61 50 43 39 37
Max/Min Temp 66 45 64 37
Wind Dir S SW SW SW SW S S S SW SW SW SW W NW W W W
Wind (mph) 10 13 19 23 21 14 12 12 12 20 25 24 20 16 13 11 10
Wind Gust (mph) 27 32 39 47 46 34 29 47 54 52 46 37 35 29
Precip Prob (%) 20 30 20 40 20 10 0 0 5 5 20 20 50 50 60 60 40
Precip Type T R T T T T R R R R S S S
6 Hour QPF 0.03 0.03 0.01 0.02 0.00 0.00 0.01 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
Snow Level (kft) 11.0 10.9 10.7 11.0 10.7 10.5 10.3 10.0 9.3 8.4 8.2 9.0 8.8 8.4 7.4 6.7 6.6
...Bridger Range...
Date Sunday 05/11/25 Monday 05/12/25
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 OV BK BK SC BK FW SC FW FW SC BK OV OV OV OV OV
Cloud Cover (%) 60 85 55 55 40 55 10 30 20 10 30 60 70 80 80 95 90
Temperature 49 54 63 63 62 54 50 47 46 52 60 63 60 50 42 38 37
Max/Min Temp 66 45 64 37
Wind Dir SW SW SW SW SW S S S SW SW SW SW W NW W W W
Wind (mph) 11 13 17 21 20 14 13 13 14 19 23 23 19 14 12 10 8
Wind Gust (mph) 28 32 36 42 42 34 32 32 35 44 47 49 43 34 31
Precip Prob (%) 20 30 30 30 20 20 0 0 5 5 20 20 60 60 70 70 50
Precip Type T R T T T T R R R R S S S
6 Hour QPF 0.03 0.03 0.01 0.01 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 0.1
12 Hour Snow 0.0 0.0 0.0 0.1
Snow Level (kft) 11.0 11.0 10.7 10.9 10.6 10.6 10.4 10.1 9.2 8.2 8.3 9.0 8.8 8.2 7.1 6.7 6.5
...Madison Range/Spanish Peaks...
Date Sunday 05/11/25 Monday 05/12/25
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 SC FW SC SC FW SC SC OV OV OV OV OV
Cloud Cover (%) 60 65 60 60 50 50 15 30 25 25 30 40 75 85 80 85 90
Temperature 45 50 56 57 55 47 44 43 41 45 53 56 55 46 38 34 33
Max/Min Temp 57 40 56 33
Wind Dir S S S SW S S S S S S S SW SW W NW NW SW
Wind (mph) 12 13 18 20 18 14 12 13 14 18 20 21 17 10 8 6 5
Wind Gust (mph) 31 33 41 44 43 35 31 33 39 43 47 48 41
Precip Prob (%) 30 20 30 40 20 10 5 5 5 5 20 20 60 60 60 60 60
Precip Type R T T T T T S R S S S S S
6 Hour QPF 0.04 0.05 0.03 0.00 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 0.5
12 Hour Snow 0.0 0.0 0.0 0.5
Snow Level (kft) 11.2 10.9 11.0 11.0 10.8 10.8 10.6 10.1 8.8 8.3 8.9 9.4 9.1 8.8 7.4 7.0 6.7
...Gallatin Range/Hyalite Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 OV BK BK SC BK FW FW FW FW SC SC OV OV OV OV OV
Cloud Cover (%) 65 70 65 60 50 50 15 20 15 20 30 45 70 85 80 90 90
Temperature 47 51 58 59 58 49 46 44 43 48 56 59 58 48 39 35 34
Max/Min Temp 61 42 60 33
Wind Dir S SW SW SW S S S S SW SW SW SW SW W NW NW W
Wind (mph) 12 12 17 18 17 13 12 12 13 16 18 19 16 10 9 6 5
Wind Gust (mph) 29 37 40 39 31 33 39 43 44 39
Precip Prob (%) 20 20 20 40 20 10 5 5 5 5 20 20 60 60 60 60 50
Precip Type T T T T T R R R S S S S
6 Hour QPF 0.02 0.03 0.01 0.00 0.00 0.00 0.02 0.10
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4
12 Hour Snow 0.0 0.0 0.0 0.4
Snow Level (kft) 11.1 11.0 11.0 11.0 10.8 10.7 10.5 10.2 8.9 8.4 8.9 9.5 9.2 8.8 7.4 7.0 6.6
...Lionhead Range...
Date Sunday 05/11/25 Monday 05/12/25
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 OV BK BK FW FW SC FW SC SC BK OV BK BK BK
Cloud Cover (%) 60 65 55 75 65 60 20 20 25 10 25 35 65 70 65 65 70
Temperature 46 52 60 62 57 48 46 43 42 47 58 62 60 50 44 38 35
Max/Min Temp 63 41 63 35
Wind Dir S SW SW SW SW S S S S S SW SW SW SW W SW S
Wind (mph) 8 11 13 13 12 10 9 9 10 13 14 13 11 6 6 5 4
Wind Gust (mph) 31 33 33
Precip Prob (%) 30 50 20 60 50 10 10 5 5 5 20 20 50 50 50 50 40
Precip Type R T T R T R R R R S S S
6 Hour QPF 0.05 0.11 0.07 0.00 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
Snow Level (kft) 11.3 11.0 11.0 11.1 11.0 11.0 10.8 10.2 8.9 8.4 9.1 9.8 9.5 9.2 8.3 7.4 7.1
...Tobacco Root Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK SC SC SC SC SC SC OV OV OV OV OV OV
Cloud Cover (%) 65 65 60 65 55 40 35 30 35 35 50 70 80 90 90 95 95
Temperature 47 49 59 59 58 50 47 45 43 47 54 57 53 43 36 34 33
Max/Min Temp 60 42 57 33
Wind Dir SW SW SW SW SW S S SW SW SW SW SW W W W NW N
Wind (mph) 11 16 21 24 21 16 13 14 14 20 24 24 19 12 9 6 6
Wind Gust (mph) 34 44 48 43 33 32 35 44 52 50 40
Precip Prob (%) 20 20 40 50 20 10 5 0 5 5 20 20 70 70 70 70 70
Precip Type T T T T T S S S S S S S
6 Hour QPF 0.08 0.04 0.02 0.05 0.00 0.00 0.23 0.19
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.5 1.4
12 Hour Snow 0.0 0.0 0.0 1.9
Snow Level (kft) 11.0 10.6 10.8 10.6 10.5 10.5 10.2 9.4 8.5 7.6 8.1 8.8 8.5 7.2 6.5 6.3 6.2
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Sunday 05/11/25 Monday 05/12/25
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 BK OV BK SC SC SC SC SC SC BK OV OV OV OV OV
Cloud Cover (%) 75 60 60 70 55 40 30 25 35 35 35 55 80 90 90 90 90
Temperature 47 52 59 60 58 50 47 44 41 47 55 58 56 45 37 35 34
Max/Min Temp 61 41 59 34
Wind Dir S S S S S S S S S S S S SW W N NW NE
Wind (mph) 13 17 25 26 24 19 16 16 16 21 27 28 21 13 9 6 6
Wind Gust (mph) 46 47 42 34 41 50 50 40
Precip Prob (%) 40 5 30 60 20 10 5 0 5 5 20 20 70 70 70 70 60
Precip Type T T T R T T R R R S S S S
6 Hour QPF 0.03 0.03 0.02 0.00 0.00 0.00 0.13 0.14
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.7
12 Hour Snow 0.0 0.0 0.0 0.8
Snow Level (kft) 11.1 10.7 10.8 10.7 10.7 10.6 10.4 9.5 8.4 7.9 8.5 9.0 8.8 7.7 6.7 6.6 6.4
...Centennial Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK OV BK SC FW FW SC FW SC SC OV OV OV OV OV
Cloud Cover (%) 75 60 55 70 60 45 25 25 45 25 30 35 75 80 80 85 85
Temperature 46 50 55 57 55 47 44 42 40 44 52 56 56 48 40 36 34
Max/Min Temp 58 39 56 34
Wind Dir S S S S S SE SE S S S S S SW W NW NW SE
Wind (mph) 10 14 21 23 20 16 12 12 14 19 23 24 19 13 12 10 8
Wind Gust (mph) 40 37 42 44
Precip Prob (%) 40 20 20 60 40 10 10 5 10 10 20 20 60 60 60 60 60
Precip Type T T T R T T R R R S S S S
6 Hour QPF 0.05 0.07 0.05 0.01 0.00 0.00 0.01 0.06
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2
12 Hour Snow 0.0 0.0 0.0 0.2
Snow Level (kft) 11.2 10.8 10.9 10.9 10.9 10.8 10.6 9.6 8.6 8.1 8.6 9.2 9.1 8.8 7.6 7.2 7.0
...Anaconda/Highland Ranges...
Date Sunday 05/11/25 Monday 05/12/25
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 BK SC SC SC BK SC SC SC BK OV OV OV OV OV OV
Cloud Cover (%) 75 70 55 50 40 40 55 45 35 40 65 75 80 85 90 90 80
Temperature 43 49 60 62 61 52 47 44 40 44 51 53 50 40 36 34 32
Max/Min Temp 63 39 54 32
Wind Dir S S SW SW SW S S SW SW SW SW SW W NW NW NW NW
Wind (mph) 8 12 18 19 17 12 10 10 9 16 19 18 14 11 6 5 5
Wind Gust (mph) 31 41 43 37 29 37 46 41 34 28
Precip Prob (%) 20 5 30 20 10 20 5 5 20 20 40 40 60 60 60 60 60
Precip Type T R T T T S S S S S S S S S
6 Hour QPF 0.02 0.01 0.00 0.01 0.00 0.01 0.11 0.14
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.9
12 Hour Snow 0.0 0.0 0.0 1.0
Snow Level (kft) 10.6 10.3 10.3 9.9 9.9 9.9 9.3 8.5 7.6 7.1 7.3 7.7 7.5 6.9 6.3 6.0 5.6
...Pioneer Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK SC SC SC SC SC SC SC BK OV OV OV OV OV OV
Cloud Cover (%) 85 60 60 50 40 35 45 45 25 30 60 70 80 90 90 90 85
Temperature 44 49 59 61 59 51 46 43 39 44 51 53 49 40 35 33 31
Max/Min Temp 61 39 53 31
Wind Dir SW SW SW SW SW S S SW SW SW SW SW W W NW NW NW
Wind (mph) 10 14 20 20 18 13 12 12 11 18 21 20 17 12 6 5 6
Wind Gust (mph) 27 35 47 47 43 34 32 34 32 48 52 47 40 31
Precip Prob (%) 50 5 30 30 5 5 5 0 5 5 20 20 70 70 70 70 60
Precip Type T R R S S S S S S S
6 Hour QPF 0.02 0.02 0.03 0.00 0.00 0.00 0.12 0.12
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.4 1.1
12 Hour Snow 0.0 0.0 0.0 1.5
Snow Level (kft) 10.7 10.3 10.5 10.0 10.1 10.1 9.5 8.6 7.5 7.1 7.5 8.1 7.7 6.7 6.5 6.2 5.7
...Beaverhead/Tendoy Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK BK SC SC SC SC SC SC SC BK OV OV OV OV OV
Cloud Cover (%) 80 50 50 55 45 30 45 40 35 35 50 60 80 90 90 90 85
Temperature 45 50 59 60 58 50 46 42 39 44 52 54 51 40 35 33 31
Max/Min Temp 61 39 55 31
Wind Dir S S SW SW SW S S SW SW SW SW SW SW W NW NW NW
Wind (mph) 12 18 25 26 23 19 17 16 14 21 26 26 20 14 9 8 8
Wind Gust (mph) 31 42 51 49 46 41 39 39 35 47 54 51 41
Precip Prob (%) 60 5 20 40 10 5 5 0 5 5 20 20 70 70 70 70 70
Precip Type R T T R T S S S S S S S S S
6 Hour QPF 0.03 0.03 0.03 0.00 0.00 0.00 0.13 0.09
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.8
12 Hour Snow 0.0 0.0 0.0 1.1
Snow Level (kft) 10.8 10.3 10.5 10.1 10.3 10.2 9.6 8.7 7.6 7.2 7.9 8.3 8.0 6.9 6.6 6.4 5.9
...Absoraka-Beartooth/Cooke City Mountains...
Date Sunday 05/11/25 Monday 05/12/25
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 BK BK FW FW FW FW FW SC BK OV BK BK BK
Cloud Cover (%) 50 60 50 60 55 60 25 15 10 5 20 40 55 70 60 60 60
Temperature 40 47 54 55 50 42 40 39 37 43 54 57 54 44 39 34 32
Max/Min Temp 56 37 58 31
Wind Dir SW SW SW SW SW SW S S SW SW SW SW SW SW W W SW
Wind (mph) 10 12 17 19 18 13 10 10 11 16 20 21 17 9 6 5 4
Wind Gust (mph) 27 29 35 39 39 31 27 28 36 42 43 35
Precip Prob (%) 5 20 20 30 30 20 5 0 5 5 20 20 30 30 40 40 40
Precip Type
6 Hour QPF 0.02 0.16 0.06 0.00 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
Snow Level (kft) 11.2 11.2 11.3 11.5 11.0 11.0 10.9 10.6 9.6 9.1 9.8 10.4 9.9 9.8 9.2 8.1 7.6
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--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain