Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
394
FWUS45 KTFX 151000
AVGTFX
FWUS45 KTFX 151000
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 AM MDT Mon Sep 15 2025
...Glacier National Park/Marias Pass...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV OV OV OV OV BK SC FW FW FW FW FW FW
Cloud Cover (%) 85 75 80 85 80 90 80 80 75 50 35 25 15 15 5 5 10
Temperature 46 45 48 49 50 48 47 47 47 48 54 60 59 52 48 47 46
Max/Min Temp 51 46 61 45
Wind Dir W W W W NW NW NW N N N NE E E SE S SW SW
Wind (mph) 14 12 11 10 8 6 6 5 4 5 5 5 5 5 5 5 6
Wind Gust (mph) 34
Precip Prob (%) 40 40 50 50 30 30 40 40 30 20 10 10 0 0 0 0 0
Precip Type R R R R R R R R R R R
6 Hour QPF 0.10 0.09 0.11 0.14 0.02 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) 10.1 10.1 10.3 10.5 10.7 10.9 11.0 11.0 10.9 10.9 10.8 11.1 11.2 10.9 10.5 10.3 10.2
...Bob Marshall/Scapegoat Wilderness...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV OV OV OV BK BK SC FW FW FW FW FW
Cloud Cover (%) 65 60 70 70 70 75 75 85 85 55 50 40 25 15 10 10 10
Temperature 42 43 49 52 52 47 45 45 45 47 54 59 59 51 47 46 44
Max/Min Temp 53 44 60 44
Wind Dir W W W W NW NW NW NW N N NE E E E S SW SW
Wind (mph) 11 11 10 9 8 6 5 4 4 4 6 6 5 4 4 4 4
Wind Gust (mph) 29
Precip Prob (%) 20 20 30 40 30 40 60 50 30 20 20 20 5 5 0 0 0
Precip Type R R R R R R R R R R R R
6 Hour QPF 0.01 0.02 0.12 0.21 0.03 0.01 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 9.6 9.7 10.0 10.2 10.3 10.5 10.6 10.8 10.7 10.8 11.2 11.2 11.0 10.8 10.6 10.4
...Nevada Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 BK OV OV BK BK SC FW FW FW FW FW
Cloud Cover (%) 50 55 60 60 70 70 65 80 95 65 60 45 20 15 10 10 5
Temperature 44 44 50 54 54 50 48 48 47 48 54 60 60 54 51 49 47
Max/Min Temp 56 46 61 47
Wind Dir W W W W W W W W NW N NE NE NE NE N W SW
Wind (mph) 11 10 10 9 6 5 4 3 3 3 5 6 6 4 4 3 3
Wind Gust (mph)
Precip Prob (%) 10 20 20 30 30 40 30 40 30 20 20 20 5 5 0 0 0
Precip Type R R R R R R R R R R R R
6 Hour QPF 0.00 0.03 0.04 0.04 0.02 0.01 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) 9.6 9.3 9.4 9.7 10.0 10.1 10.1 10.3 10.8 10.7 10.6 10.9 11.1 11.0 10.9 10.7 10.5
...Elkhorn/Boulder Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 BK BK BK BK BK BK OV BK BK BK SC FW FW FW FW
Cloud Cover (%) 35 45 70 70 60 60 60 55 80 65 60 55 30 20 10 10 15
Temperature 42 44 50 52 52 46 44 43 42 45 52 56 56 49 47 45 43
Max/Min Temp 54 41 58 43
Wind Dir W W W NW NW NW NW NW NW N NE NE NE E SE S SW
Wind (mph) 8 8 8 9 9 6 5 4 4 4 5 5 5 4 4 4 4
Wind Gust (mph)
Precip Prob (%) 20 20 20 30 20 30 20 20 20 20 20 20 5 5 0 0 0
Precip Type R R R R T R R R R R R R
6 Hour QPF 0.00 0.01 0.00 0.00 0.02 0.01 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 9.3 9.5 9.8 9.8 9.8 9.9 10.0 10.4 10.5 10.7 11.0 11.2 11.2 11.0 10.8 10.7
...Big Belt Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 BK BK OV OV OV OV OV BK BK BK SC FW FW FW FW
Cloud Cover (%) 40 45 60 60 70 70 70 80 90 65 65 55 30 25 15 15 15
Temperature 46 47 53 57 56 51 50 49 48 49 54 59 59 54 52 49 48
Max/Min Temp 59 47 61 47
Wind Dir W W W W NW NW NW NW NW NW N N NE E E SE SE
Wind (mph) 8 8 9 9 9 6 4 4 4 4 6 6 6 5 5 5 5
Wind Gust (mph)
Precip Prob (%) 10 20 20 20 30 40 30 30 40 20 20 30 5 5 0 0 0
Precip Type R R R T R R R R R R T R
6 Hour QPF 0.00 0.01 0.03 0.05 0.03 0.05 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) 10.1 9.7 9.6 9.9 10.1 10.2 10.2 10.2 10.7 10.6 10.6 11.0 11.2 11.0 10.9 10.7 10.5
...Little Belt Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 BK BK OV OV OV OV OV OV OV OV SC SC FW FW FW
Cloud Cover (%) 30 35 60 65 75 80 80 80 90 70 70 70 40 30 15 15 10
Temperature 46 49 57 59 56 49 48 47 47 49 55 58 57 50 48 46 45
Max/Min Temp 60 45 60 45
Wind Dir W W W W NW W NW W NW NW N NE NE E S S SW
Wind (mph) 6 8 8 9 8 6 5 5 5 5 6 8 5 4 4 4 4
Wind Gust (mph)
Precip Prob (%) 10 20 20 30 40 40 30 50 40 20 30 40 10 10 0 0 5
Precip Type R R R T R R R R R R R
6 Hour QPF 0.00 0.02 0.02 0.12 0.06 0.06 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) 10.5 10.1 9.9 10.2 10.4 10.3 10.3 10.5 10.7 10.6 10.7 11.0 11.1 11.0 10.8 10.6 10.4
...Highwood Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 FW BK SC OV OV OV OV OV BK BK BK SC FW FW FW FW
Cloud Cover (%) 45 15 55 50 80 80 80 80 80 50 60 60 40 25 15 10 10
Temperature 52 53 60 62 60 54 52 52 51 52 58 62 61 56 54 53 51
Max/Min Temp 64 50 63 51
Wind Dir W W W W NW W W W W W NW N NE SE S S SW
Wind (mph) 13 12 13 12 11 11 11 11 10 8 6 6 5 5 5 5 5
Wind Gust (mph)
Precip Prob (%) 10 10 20 20 40 30 40 50 20 20 20 20 5 5 0 0 5
Precip Type R R R R R R R R R T
6 Hour QPF 0.00 0.00 0.01 0.13 0.03 0.01 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) 10.6 10.2 9.9 10.1 10.3 10.2 10.6 10.9 10.8 10.7 10.7 10.9 11.0 10.8 10.6 10.4 10.2
...Snowy/Judith Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 FW BK BK OV OV OV OV OV OV OV OV BK SC SC FW FW
Cloud Cover (%) 35 25 55 70 75 75 80 80 85 75 80 80 50 45 25 20 15
Temperature 51 55 62 64 60 53 51 51 49 52 58 61 60 53 51 50 48
Max/Min Temp 65 48 63 47
Wind Dir W NW NW NW NW W W W NW NW N N N W SW SW SW
Wind (mph) 10 10 11 10 8 8 9 10 10 8 6 6 5 4 4 4 4
Wind Gust (mph) 27 28
Precip Prob (%) 5 10 20 40 40 50 60 50 50 50 60 70 20 20 5 5 5
Precip Type R R R T T R R R R R R T R
6 Hour QPF 0.00 0.05 0.22 0.45 0.22 0.09 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) 10.9 10.8 10.7 10.7 10.6 10.5 10.6 10.6 10.8 10.8 10.6 10.9 11.1 10.9 10.8 10.6 10.3
...Bears Paw Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 SC BK BK OV OV OV SC BK BK SC SC FW FW FW
Cloud Cover (%) 65 60 60 50 65 70 70 70 75 45 50 50 30 30 15 10 10
Temperature 52 56 63 67 65 56 54 52 51 55 63 66 65 55 52 49 48
Max/Min Temp 68 49 68 47
Wind Dir W W W NW NW NW NW NW NW NW N N N NE NE SE SE
Wind (mph) 11 11 11 10 8 6 6 5 5 5 6 6 5 3 2 2 2
Wind Gust (mph)
Precip Prob (%) 10 20 20 10 20 20 20 20 20 20 20 20 10 10 5 5 5
Precip Type R R T T T R R R R R
6 Hour QPF 0.00 0.00 0.00 0.05 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 10.8 10.7 10.6 10.7 10.9 10.9 10.7 10.5 10.4 10.8 10.7 10.7 10.5 10.2 10.1 9.9
...Castle/Crazy Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 BK BK OV OV OV OV OV BK BK BK SC SC FW FW FW
Cloud Cover (%) 45 50 60 70 70 75 75 80 95 70 70 70 50 35 25 20 15
Temperature 45 48 54 57 56 50 47 46 46 47 54 58 57 51 49 46 45
Max/Min Temp 59 45 59 45
Wind Dir W W W W NW NW W W W NW N NE NE E E E E
Wind (mph) 9 10 11 10 9 6 6 8 8 6 8 8 6 4 3 3 4
Wind Gust (mph)
Precip Prob (%) 20 30 30 30 30 50 40 50 40 30 40 50 10 10 0 0 5
Precip Type R R R R T R R R R R T R
6 Hour QPF 0.00 0.01 0.04 0.12 0.06 0.04 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) 10.6 10.3 10.1 10.0 10.2 10.3 10.2 10.2 10.6 10.6 10.6 11.1 11.2 11.1 10.9 10.7 10.5
...Bridger Range...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV OV OV OV BK SC SC SC SC FW
Cloud Cover (%) 55 65 65 70 70 70 70 90 95 80 75 65 45 35 30 25 20
Temperature 44 46 51 55 54 48 46 45 44 45 51 56 55 49 47 45 44
Max/Min Temp 57 44 57 44
Wind Dir W W W W NW NW NW W W NW NW N NE E E E E
Wind (mph) 4 5 8 8 8 5 3 3 4 4 5 5 5 4 4 3 3
Wind Gust (mph)
Precip Prob (%) 30 40 30 40 30 40 40 50 40 30 40 40 10 10 0 0 0
Precip Type R R R R T R R R R R R R
6 Hour QPF 0.03 0.02 0.02 0.06 0.06 0.07 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) 10.6 10.3 9.9 10.0 10.0 10.1 10.1 10.1 10.5 10.5 10.4 11.0 11.2 11.1 11.0 10.8 10.6
...Madison Range/Spanish Peaks...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV BK BK BK BK OV BK BK BK SC SC FW SC FW
Cloud Cover (%) 65 70 80 85 70 70 55 65 90 70 60 60 45 25 20 25 25
Temperature 40 40 44 46 46 41 39 38 38 39 45 50 50 44 41 40 38
Max/Min Temp 49 37 51 38
Wind Dir S SW SW W NW N N N N N N N NE NE NE E E
Wind (mph) 5 5 6 6 5 4 4 3 3 4 6 9 9 6 5 4 3
Wind Gust (mph)
Precip Prob (%) 30 50 70 80 50 30 20 20 20 20 20 20 0 0 0 0 0
Precip Type R R R R T R R S R R R R
6 Hour QPF 0.09 0.09 0.06 0.01 0.01 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) 10.6 10.2 10.0 10.1 10.2 10.0 10.0 9.9 10.0 10.1 10.3 10.9 11.1 11.1 10.9 10.8 10.7
...Gallatin Range/Hyalite Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV OV OV BK OV OV OV OV OV SC SC SC SC SC
Cloud Cover (%) 65 65 80 85 75 75 70 75 95 80 70 70 45 30 30 35 25
Temperature 40 40 45 47 48 43 41 39 38 39 45 49 50 45 42 40 39
Max/Min Temp 51 38 52 39
Wind Dir SW SW W W NW NW NW NW N NW N N NE NE SE SE SE
Wind (mph) 5 5 5 6 5 4 3 3 3 4 6 8 8 5 4 3 3
Wind Gust (mph)
Precip Prob (%) 30 50 70 80 60 30 40 30 40 30 40 40 5 5 0 0 0
Precip Type R R R R R R R R R R R R
6 Hour QPF 0.06 0.13 0.04 0.02 0.06 0.01 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) 10.7 10.3 10.2 10.1 10.2 10.0 10.0 9.9 10.1 10.1 10.3 10.9 11.1 11.0 10.8 10.8 10.7
...Lionhead Range...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV BK BK SC SC OV BK BK BK SC FW FW FW FW
Cloud Cover (%) 70 65 75 75 55 55 40 45 85 55 55 55 35 20 10 15 20
Temperature 38 41 51 55 51 42 38 36 34 38 51 57 55 45 40 36 33
Max/Min Temp 56 32 59 32
Wind Dir S S SW SW W NE NE NE NE NE NE N N NE NE NE NE
Wind (mph) 4 6 9 9 4 2 2 2 3 4 5 6 6 6 5 4 3
Wind Gust (mph)
Precip Prob (%) 40 40 60 70 30 20 10 20 20 20 30 30 5 5 0 0 0
Precip Type R R R R T T R R R R R
6 Hour QPF 0.01 0.04 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) 10.7 10.1 9.8 10.0 10.1 10.0 9.9 9.9 9.9 9.9 10.2 10.9 11.2 10.9 10.9 10.7 10.7
...Tobacco Root Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV BK BK BK BK OV BK BK BK SC FW FW FW FW
Cloud Cover (%) 55 65 70 75 70 65 50 50 70 55 60 55 30 20 15 20 15
Temperature 40 42 46 49 47 43 41 40 40 42 48 53 52 46 45 43 42
Max/Min Temp 50 39 54 42
Wind Dir W SW W W NW N N N N NE NE NE NE NE E E SE
Wind (mph) 5 5 5 5 5 4 4 3 3 3 5 6 8 5 5 4 4
Wind Gust (mph)
Precip Prob (%) 40 50 50 60 40 20 30 30 20 20 20 20 0 0 0 0 0
Precip Type R R R R T R R R R R R R
6 Hour QPF 0.02 0.08 0.04 0.00 0.01 0.01 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) 10.1 9.8 9.7 10.0 10.1 10.0 9.9 9.8 10.0 10.1 10.3 10.9 11.0 11.1 10.9 10.8 10.7
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV BK BK SC SC OV BK SC SC FW FW FW FW FW
Cloud Cover (%) 60 65 75 80 60 60 40 45 70 55 45 45 25 20 15 20 25
Temperature 41 42 47 50 48 43 41 39 39 41 49 54 54 46 43 41 40
Max/Min Temp 51 38 55 40
Wind Dir SW SW W NW NW N N N N N N N N NE NE NE E
Wind (mph) 5 5 6 8 8 5 5 4 4 5 9 10 11 8 6 5 4
Wind Gust (mph)
Precip Prob (%) 30 50 60 70 40 20 20 20 20 20 20 20 0 0 0 0 0
Precip Type R R R R T R R R R R R R
6 Hour QPF 0.05 0.03 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) 10.2 9.8 9.7 10.1 10.1 10.0 9.9 9.8 9.9 9.9 10.2 10.9 11.2 11.0 10.9 10.9 10.7
...Centennial Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV BK SC SC SC OV SC SC SC SC FW FW FW SC
Cloud Cover (%) 60 65 85 85 55 45 35 30 70 50 40 40 25 15 10 15 25
Temperature 42 42 46 49 47 42 39 38 38 40 49 54 53 47 43 40 39
Max/Min Temp 50 37 55 39
Wind Dir S S SW W NW N N N N N N N N N N N N
Wind (mph) 5 5 8 8 6 6 8 8 9 9 9 9 10 11 10 9 8
Wind Gust (mph)
Precip Prob (%) 40 50 80 80 30 20 10 20 10 20 20 20 0 0 0 0 0
Precip Type R R R R T R R R R R R
6 Hour QPF 0.09 0.09 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) 10.5 10.1 10.0 10.1 10.2 10.0 9.9 9.8 9.8 9.8 10.2 11.0 11.2 11.0 10.8 10.8 10.7
...Anaconda/Highland Ranges...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV BK SC SC SC SC SC SC SC FW FW FW FW FW
Cloud Cover (%) 50 65 75 75 50 45 40 40 50 40 35 35 20 15 5 5 15
Temperature 38 39 45 49 50 43 40 39 38 41 51 58 58 49 45 43 41
Max/Min Temp 51 37 59 41
Wind Dir NW W NW NW NW N N NE NE NE E NE NE NE E E E
Wind (mph) 4 5 6 8 6 5 4 4 3 3 5 5 6 5 6 5 4
Wind Gust (mph)
Precip Prob (%) 30 50 40 50 20 20 20 20 20 10 20 20 0 0 0 0 0
Precip Type R R R R T R R R R R R R
6 Hour QPF 0.02 0.02 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) 9.4 9.2 9.4 9.6 9.7 9.7 9.6 9.6 9.9 10.0 10.3 11.0 11.4 11.1 10.9 10.8 10.7
...Pioneer Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV BK SC SC SC SC SC SC SC SC FW FW FW FW
Cloud Cover (%) 45 55 70 75 55 50 35 35 50 35 35 40 25 20 10 10 15
Temperature 38 39 45 48 48 43 40 38 37 40 50 56 55 48 44 42 40
Max/Min Temp 50 37 57 40
Wind Dir W W NW NW NW N NE NE NE NE NE NE NE E E E E
Wind (mph) 6 6 8 9 8 5 4 4 4 4 6 8 8 5 4 4 3
Wind Gust (mph)
Precip Prob (%) 20 20 40 30 20 20 20 20 20 20 20 20 0 0 0 0 0
Precip Type R R R R T R R R R R R R
6 Hour QPF 0.01 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) 9.4 9.2 9.5 9.8 9.9 9.8 9.7 9.6 9.8 9.9 10.3 11.1 11.4 11.2 11.0 10.9 10.8
...Beaverhead/Tendoy Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV BK SC SC SC BK SC SC SC FW FW FW FW FW
Cloud Cover (%) 50 60 70 70 55 50 35 35 55 45 30 35 15 15 10 10 20
Temperature 37 40 46 49 48 42 38 37 36 40 50 56 55 47 42 40 39
Max/Min Temp 50 35 57 39
Wind Dir W NW NW NW NW N N N N NE NE NE NE NE NE NE NE
Wind (mph) 5 6 9 9 9 6 5 5 5 5 8 9 9 6 6 5 5
Wind Gust (mph)
Precip Prob (%) 20 30 40 40 20 20 10 20 20 20 20 20 0 0 0 0 0
Precip Type R R R R T R R R R R R
6 Hour QPF 0.01 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) 9.5 9.3 9.5 9.9 10.1 9.9 9.8 9.7 9.7 9.7 10.0 10.9 11.3 11.2 10.9 10.8 10.7
...Absoraka-Beartooth/Cooke City Mountains...
Date Monday 09/15/25 Tuesday 09/16/25
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 OV OV OV OV BK OV OV OV OV BK BK SC SC SC
Cloud Cover (%) 65 90 85 75 75 75 70 70 85 70 80 80 55 55 45 50 40
Temperature 37 39 45 48 46 39 37 35 35 36 43 47 46 40 37 35 34
Max/Min Temp 50 33 49 34
Wind Dir S SW SW SW W N N N N N N N NE NE NE NE NE
Wind (mph) 6 8 9 9 6 4 3 2 3 3 5 8 9 6 5 4 4
Wind Gust (mph)
Precip Prob (%) 20 40 80 50 50 50 40 50 60 60 70 70 20 20 10 10 5
Precip Type
6 Hour QPF 0.01 0.03 0.01 0.09 0.12 0.03 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0
12 Hour Snow 0.0 0.1 0.1 0.0
Snow Level (kft) 10.8 10.4 10.5 10.3 10.4 10.1 10.0 9.9 10.0 10.0 10.5 11.0 11.0 11.0 10.7 10.9 10.8
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain