Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
468
FWUS45 KTFX 181000
AVGTFX
FWUS45 KTFX 181000
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Mon Aug 18 2025
...Glacier National Park/Marias Pass...
Date Monday 08/18/25 Tuesday 08/19/25
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 SC FW FW FW FW FW FW FW FW FW FW FW SC BK SC FW
Cloud Cover (%) 70 40 20 20 15 15 20 20 25 20 10 10 15 45 65 40 20
Temperature 49 55 64 68 68 60 57 56 55 61 71 74 74 65 61 57 55
Max/Min Temp 69 54 75 54
Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 8 8 10 12 11 6 8 6 8 6 9 12 12 9 9 9 10
Wind Gust (mph)
Precip Prob (%) 0 0 0 5 5 0 0 0 0 0 0 0 10 10 10 10 5
Precip Type T T R R R
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 9.7 9.7 10.6 11.6 12.2 12.3 12.7 12.8 12.5 12.1 12.2 12.3 12.7 12.5 12.4 12.3 12.1
...Bob Marshall/Scapegoat Wilderness...
Date Monday 08/18/25 Tuesday 08/19/25
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 SC FW FW FW FW FW FW FW CL FW FW SC BK BK SC SC
Cloud Cover (%) 40 40 15 15 10 25 15 10 15 5 5 10 30 55 65 40 30
Temperature 50 56 67 72 72 63 59 57 56 63 75 79 78 67 62 57 55
Max/Min Temp 73 55 80 55
Wind Dir SW SW SW SW W SW SW SW SW SW SW SW W W NW W W
Wind (mph) 4 4 8 9 8 4 4 4 4 4 8 10 8 6 6 5 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 10 5 10 0 0 0 0 0 0 20 20 5 5 0
Precip Type T T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 11.0 11.2 11.9 12.5 12.8 13.2 13.1 13.0 12.9 12.8 12.7 12.7 12.9 13.1 13.2 12.8 12.7
...Nevada Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW SC FW FW SC SC FW FW FW FW FW FW FW BK SC FW SC
Cloud Cover (%) 25 40 20 20 40 40 10 10 10 5 5 10 25 55 50 25 25
Temperature 53 58 69 75 76 66 62 60 59 64 76 83 83 70 64 60 58
Max/Min Temp 76 58 84 58
Wind Dir SW SW SW SW W S S S SW SW S SW W NW NW W W
Wind (mph) 3 4 6 8 6 4 4 3 4 3 6 8 5 5 5 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 5 10 20 10 0 0 0 0 0 0 5 5 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.01 0.05 0.00 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
Snow Level (kft) 11.9 12.0 12.4 12.8 13.2 13.4 13.3 13.1 13.0 12.8 12.7 12.9 13.2 13.2 13.1 12.9 12.7
...Elkhorn/Boulder Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW SC FW SC BK SC FW FW FW CL CL FW SC SC SC FW FW
Cloud Cover (%) 10 25 10 45 60 35 20 10 5 5 5 15 25 35 30 15 20
Temperature 50 56 68 73 73 63 59 57 55 63 75 80 81 69 63 58 56
Max/Min Temp 75 54 82 55
Wind Dir SW SW SW SW SW NE SE S SW S S SW SE NW W W W
Wind (mph) 4 4 6 8 5 5 5 4 5 4 8 8 6 6 8 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 5 20 40 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.01 0.04 0.00 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
Snow Level (kft) 12.1 12.4 12.7 13.2 13.6 13.5 13.4 13.0 12.8 12.5 12.6 13.1 13.2 13.2 12.9 12.8 12.7
...Big Belt Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW SC FW FW SC BK FW FW FW CL CL FW FW SC SC FW FW
Cloud Cover (%) 20 30 15 20 30 55 20 10 10 5 5 10 10 25 30 15 15
Temperature 54 59 69 76 77 67 63 61 59 65 77 83 84 72 66 62 59
Max/Min Temp 77 58 85 59
Wind Dir S S SW SW W E SE S S S S SW S NE N NW SW
Wind (mph) 5 5 8 9 6 5 6 5 6 5 8 8 5 6 8 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 10 20 20 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T T
6 Hour QPF 0.00 0.00 0.04 0.00 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
Snow Level (kft) 12.1 12.1 12.5 12.8 13.3 13.4 13.3 13.1 12.9 12.7 12.5 12.8 13.1 13.2 12.9 12.8 12.7
...Little Belt Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC FW BK FW FW FW CL CL FW CL FW FW FW FW
Cloud Cover (%) 15 10 15 25 25 55 25 15 10 5 5 10 5 20 20 20 10
Temperature 52 60 71 75 75 65 61 60 59 68 80 83 83 70 65 61 58
Max/Min Temp 76 58 84 58
Wind Dir SW S SW SW W SW S S S SW SW SW SW E S SW SW
Wind (mph) 4 4 6 9 6 4 5 5 6 5 6 8 5 5 5 5 6
Wind Gust (mph)
Precip Prob (%) 0 0 5 10 10 30 0 0 0 0 0 0 0 0 0 0 0
Precip Type T R
6 Hour QPF 0.00 0.00 0.01 0.00 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
Snow Level (kft) 12.1 12.1 12.5 12.9 13.3 13.5 13.4 13.2 12.9 12.8 12.7 12.9 13.1 13.2 13.1 12.8 12.7
...Highwood Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW FW FW BK SC FW FW CL CL FW FW FW SC SC FW
Cloud Cover (%) 15 10 10 20 10 50 30 20 15 0 5 10 5 25 25 25 20
Temperature 57 63 72 76 77 69 66 65 64 70 80 85 85 74 70 64 62
Max/Min Temp 78 63 86 62
Wind Dir SW S SW SW SW SW S S SW W NW N E E SW SW SW
Wind (mph) 5 3 4 5 5 6 8 6 5 4 5 5 6 6 8 8 9
Wind Gust (mph)
Precip Prob (%) 0 0 0 5 5 30 0 0 0 0 0 0 5 5 5 5 0
Precip Type R
6 Hour QPF 0.00 0.00 0.03 0.00 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
Snow Level (kft) 11.7 12.0 12.2 12.9 13.0 13.1 13.1 13.2 13.0 12.9 12.8 13.4 13.3 13.1 13.2 12.9 12.7
...Snowy/Judith Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW CL FW SC FW SC SC FW FW CL CL FW FW FW FW FW FW
Cloud Cover (%) 10 0 5 25 25 40 40 15 15 5 5 10 10 15 20 20 20
Temperature 54 63 74 77 77 68 64 62 61 71 83 87 86 74 69 65 61
Max/Min Temp 79 59 88 60
Wind Dir SW SW S S SE SE S S S SW SW SW S SE S SW W
Wind (mph) 4 3 5 5 4 5 5 5 5 4 5 5 5 6 8 8 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 10 10 20 0 0 0 0 0 0 0 0 0 0 0
Precip Type T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.1 12.2 12.4 13.1 13.4 13.4 13.4 13.3 13.0 12.8 12.8 13.0 13.2 13.2 13.3 12.9 12.8
...Bears Paw Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW FW FW FW SC SC FW CL CL FW FW FW SC SC SC
Cloud Cover (%) 10 5 15 15 10 20 25 25 20 0 5 10 5 25 45 40 35
Temperature 55 65 74 78 78 67 64 62 61 72 81 86 86 73 69 65 61
Max/Min Temp 79 61 87 60
Wind Dir SW SW SW SW SW S S S S S S SW S E E N NW
Wind (mph) 3 3 5 6 5 4 5 4 4 4 5 5 5 5 5 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 5 5 5 0 0 0 0 0 0 5 5 10 10 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 11.1 11.1 11.6 12.1 12.3 12.6 12.7 12.9 13.1 13.0 13.0 12.9 13.1 13.1 13.1 13.1 12.9
...Castle/Crazy Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW FW SC BK SC FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 10 15 15 25 30 60 30 15 10 5 5 10 10 20 25 15 10
Temperature 52 60 71 76 76 66 61 59 58 67 80 84 84 72 66 61 58
Max/Min Temp 77 57 85 58
Wind Dir SW SW SW W W E SE SE S SW SW SW SW E E S SW
Wind (mph) 5 5 9 11 8 5 5 5 5 5 10 10 8 6 6 6 8
Wind Gust (mph)
Precip Prob (%) 0 0 0 10 20 20 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.2 12.3 12.7 12.9 13.4 13.5 13.4 13.1 12.8 12.7 12.5 12.8 13.1 13.2 12.9 12.7 12.7
...Bridger Range...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC SC BK FW FW FW FW FW FW FW FW FW FW FW
Cloud Cover (%) 10 10 15 25 40 60 25 15 10 5 5 10 10 20 20 15 10
Temperature 52 59 71 76 76 65 61 58 57 66 79 84 84 72 65 61 58
Max/Min Temp 77 56 85 58
Wind Dir S S SW W W E SE S S S SW W SE SE SE SE S
Wind (mph) 4 4 6 9 6 6 8 6 6 5 6 8 5 8 9 6 5
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 20 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.00 0.01 0.00 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
Snow Level (kft) 12.3 12.5 12.8 13.0 13.4 13.5 13.3 13.0 12.7 12.5 12.4 12.8 13.1 13.1 12.8 12.7 12.8
...Madison Range/Spanish Peaks...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW CL FW SC SC FW FW FW FW CL FW FW FW FW FW FW FW
Cloud Cover (%) 10 5 15 45 40 25 10 15 10 5 5 15 15 20 20 20 15
Temperature 48 55 67 71 71 62 57 55 54 61 73 77 76 66 61 58 55
Max/Min Temp 72 53 77 55
Wind Dir S S SW SW SW S S S S S SW SW S S S S S
Wind (mph) 6 6 12 13 11 9 8 8 8 6 9 10 10 9 10 9 8
Wind Gust (mph) 29 31
Precip Prob (%) 0 0 10 20 20 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.7 12.8 12.9 13.2 13.3 13.1 13.0 12.7 12.3 12.1 12.5 13.0 13.0 12.8 12.9 13.0 13.0
...Gallatin Range/Hyalite Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW SC BK SC SC FW FW FW CL FW FW FW FW FW FW FW
Cloud Cover (%) 10 5 25 70 45 35 15 15 10 5 10 20 20 20 25 20 10
Temperature 48 55 69 71 72 63 58 55 54 60 75 79 79 69 62 58 56
Max/Min Temp 73 53 81 55
Wind Dir S S SW SW SW S S S S S SW SW S S S S S
Wind (mph) 6 6 10 10 9 6 9 9 9 8 8 8 8 8 10 9 8
Wind Gust (mph)
Precip Prob (%) 0 0 5 20 20 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.01 0.00 0.00 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
Snow Level (kft) 12.6 12.7 13.1 13.3 13.4 13.2 13.0 12.7 12.4 12.2 12.6 13.1 13.1 12.9 12.9 13.0 13.0
...Lionhead Range...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW FW FW FW FW FW FW CL CL FW FW SC SC FW FW
Cloud Cover (%) 15 5 25 25 20 25 15 15 10 5 5 10 10 25 30 25 20
Temperature 44 54 73 78 76 64 56 51 47 59 78 81 80 66 59 53 49
Max/Min Temp 79 46 83 49
Wind Dir SE W SW SW SW S S S S E SW SW SW S SE SE SE
Wind (mph) 3 4 11 12 10 4 4 4 3 3 6 8 6 3 5 4 3
Wind Gust (mph)
Precip Prob (%) 0 0 10 20 10 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.8 12.8 12.7 12.9 13.0 13.1 12.8 12.5 12.4 12.1 12.4 12.8 12.9 13.0 13.0 13.2 13.2
...Tobacco Root Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC BK SC FW FW FW CL CL FW FW FW FW FW FW
Cloud Cover (%) 10 15 5 35 65 50 10 10 10 5 5 10 20 20 20 15 15
Temperature 50 56 67 72 70 62 58 57 55 62 73 78 78 68 63 59 56
Max/Min Temp 72 54 79 56
Wind Dir SW SW SW SW SW SE S S SW S SW SW S S S SW SW
Wind (mph) 5 5 10 12 10 8 8 8 6 6 9 11 11 11 11 9 6
Wind Gust (mph)
Precip Prob (%) 0 0 10 20 20 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T
6 Hour QPF 0.00 0.01 0.00 0.00 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
Snow Level (kft) 12.4 12.7 12.8 13.2 13.5 13.5 13.2 12.9 12.6 12.4 12.5 13.0 13.0 12.9 12.8 12.8 12.8
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC SC FW FW FW FW CL CL FW FW FW FW FW FW
Cloud Cover (%) 15 5 25 45 45 25 10 10 10 5 5 10 10 20 20 20 20
Temperature 50 57 70 74 73 64 59 56 55 62 76 79 78 67 63 58 56
Max/Min Temp 75 54 80 56
Wind Dir S S SW SW SW S S S S S S S S S SE SE SE
Wind (mph) 8 8 13 16 14 10 9 9 8 8 11 14 16 11 11 9 6
Wind Gust (mph)
Precip Prob (%) 0 0 20 20 10 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type T T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.7 12.8 12.9 13.2 13.3 13.2 13.0 12.7 12.4 12.3 12.5 12.9 12.9 12.8 12.9 13.0 13.0
...Centennial Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW CL FW FW FW FW FW FW FW CL CL FW FW FW FW FW FW
Cloud Cover (%) 20 5 25 25 15 20 10 15 10 0 5 5 10 25 20 20 20
Temperature 50 57 69 74 73 64 59 56 54 62 74 78 77 67 62 58 56
Max/Min Temp 74 54 78 56
Wind Dir SE S S SW SW SW S SE SE SE S SW S S E E E
Wind (mph) 5 6 13 16 13 8 5 5 5 6 10 12 12 6 6 5 5
Wind Gust (mph)
Precip Prob (%) 0 0 20 20 10 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.8 12.7 12.7 12.8 13.1 13.1 12.9 12.5 12.2 12.2 12.4 12.7 12.8 12.8 13.0 13.2 13.2
...Anaconda/Highland Ranges...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC SC SC FW FW FW CL CL FW SC SC SC SC SC
Cloud Cover (%) 25 20 20 45 45 30 15 10 10 0 5 20 40 40 30 30 35
Temperature 48 54 67 73 72 63 58 55 53 59 73 79 79 67 60 55 53
Max/Min Temp 74 52 80 53
Wind Dir S S SW SW SW NE NE SE SE S S SW SW NW NW NW W
Wind (mph) 4 5 9 10 8 4 5 5 5 5 8 9 9 8 6 4 3
Wind Gust (mph)
Precip Prob (%) 0 0 20 20 20 5 0 0 0 0 5 5 5 5 0 0 0
Precip Type T T T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.3 12.6 12.6 13.2 13.6 13.5 13.3 13.0 12.8 12.6 12.4 13.0 13.2 13.2 13.1 12.8 12.7
...Pioneer Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC BK SC FW FW FW CL CL FW SC SC FW FW SC
Cloud Cover (%) 15 10 25 40 55 40 15 10 10 0 5 15 35 40 20 25 30
Temperature 49 55 68 72 71 63 58 55 54 61 74 79 78 68 61 57 55
Max/Min Temp 73 53 79 54
Wind Dir S SW SW SW SW SW S S S S SW SW S S W W W
Wind (mph) 4 5 10 11 10 5 4 4 4 5 10 11 11 9 8 5 4
Wind Gust (mph)
Precip Prob (%) 0 0 20 20 20 5 0 0 0 0 0 0 0 0 0 0 0
Precip Type T T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.5 12.7 12.8 13.2 13.5 13.5 13.2 12.9 12.6 12.5 12.5 13.0 13.2 13.0 13.0 12.8 12.8
...Beaverhead/Tendoy Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW FW FW SC SC SC FW FW FW CL CL FW FW SC FW FW SC
Cloud Cover (%) 20 5 25 45 40 25 10 10 10 0 5 15 20 30 20 20 25
Temperature 48 56 69 73 72 63 57 55 53 61 74 78 78 66 60 56 54
Max/Min Temp 74 52 79 53
Wind Dir S S SW SW SW SW S S S S SW S S S S SW S
Wind (mph) 6 6 12 13 11 8 6 6 8 8 11 13 14 10 8 5 4
Wind Gust (mph) 32 33 32
Precip Prob (%) 0 0 20 20 10 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type T T T
6 Hour QPF 0.00 0.00 0.00 0.00 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
Snow Level (kft) 12.7 12.7 12.8 13.3 13.4 13.3 13.0 12.8 12.5 12.4 12.5 12.9 13.0 13.0 13.1 12.9 12.9
...Absoraka-Beartooth/Cooke City Mountains...
Date Monday 08/18/25 Tuesday 08/19/25
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 FW CL FW SC SC FW FW FW FW CL FW FW FW FW FW FW FW
Cloud Cover (%) 15 5 15 50 30 20 15 15 10 5 10 20 15 20 25 20 10
Temperature 44 52 65 69 68 57 52 50 49 58 72 75 74 61 55 53 51
Max/Min Temp 71 48 76 50
Wind Dir SW SW SW SW SW SW S SE SE S SW SW SW S S S S
Wind (mph) 5 6 12 13 11 6 6 6 6 5 9 9 9 6 8 8 6
Wind Gust (mph)
Precip Prob (%) 0 0 0 20 10 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
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) 12.7 12.8 12.9 13.3 13.3 13.2 13.1 12.8 12.6 12.6 12.7 13.0 13.3 13.2 13.2 13.1 13.2
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain