248
FWUS45 KTFX 171000
AVGTFX
FWUS45 KTFX 171000
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT WED SEP 17 2025
..GLACIER NATIONAL PARK/MARIAS PASS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL CL CL FW FW FW FW CL CL FW FW FW FW FW SC
CLOUD COVER (%) 10 5 0 5 5 15 10 15 10 5 0 10 15 20 15 20 35
TEMPERATURE 43 47 59 65 65 54 51 49 48 52 63 67 65 54 51 49 49
MAX/MIN TEMP 66 47 67 48
WIND DIR SW SW S S SE S SW SW SW SW W NW NW S SW SW SW
WIND (MPH) 6 5 5 5 5 5 6 6 8 6 5 8 6 5 5 5 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
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 9.4 9.6 10.4 10.9 10.6 10.1 10.0 10.0 9.9 10.1 11.0 11.2 11.0 10.6 10.4 10.4
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL CL CL FW FW FW FW CL CL FW FW FW FW FW SC
CLOUD COVER (%) 15 10 5 5 5 10 10 10 15 5 0 5 5 15 10 20 35
TEMPERATURE 42 46 59 65 65 54 49 48 47 51 64 68 66 55 50 48 47
MAX/MIN TEMP 66 46 68 47
WIND DIR S S SE SE SE SE S SW SW SW W NW NW N W W W
WIND (MPH) 4 4 4 4 4 3 4 4 4 4 5 5 5 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
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 9.8 10.7 11.1 10.9 10.6 10.3 10.2 10.1 10.3 11.2 11.3 11.0 10.6 10.5 10.5
..NEVADA MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW CL FW FW FW FW CL CL CL CL FW FW FW SC
CLOUD COVER (%) 10 15 5 5 5 10 5 10 10 5 0 5 5 10 10 20 40
TEMPERATURE 44 48 58 65 65 56 53 51 49 52 64 69 68 58 54 51 50
MAX/MIN TEMP 67 48 70 49
WIND DIR SE SE SE SE E E S SW SW SW SW W NW NW W SW SW
WIND (MPH) 3 3 4 4 4 3 4 4 4 4 5 5 5 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
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 9.9 10.0 10.5 10.7 10.6 10.5 10.3 10.2 10.2 10.3 10.8 11.0 10.9 10.8 10.7 10.6
..ELKHORN/BOULDER MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW FW CL FW FW CL CL FW CL FW FW FW SC
CLOUD COVER (%) 15 15 5 10 5 10 5 10 5 5 0 5 5 10 10 20 40
TEMPERATURE 39 44 55 61 62 52 48 46 45 49 62 66 66 55 51 48 47
MAX/MIN TEMP 63 44 67 46
WIND DIR SE E SE SE E SE S S SW SW S NW N NW W W SW
WIND (MPH) 3 3 5 5 5 4 5 5 5 4 5 5 5 4 5 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
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) 10.3 10.2 10.3 10.9 11.2 10.9 10.5 10.3 10.2 10.3 10.5 11.1 11.2 11.1 11.1 10.9 10.9
..BIG BELT MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW CL CL CL FW FW FW SC
CLOUD COVER (%) 20 20 5 15 10 10 10 10 10 5 0 5 5 5 10 15 30
TEMPERATURE 44 48 57 64 64 56 53 50 49 52 62 68 68 58 55 51 50
MAX/MIN TEMP 65 48 69 49
WIND DIR E SE SE SE NE SE SE S S S SW SW NW E SE SE S
WIND (MPH) 4 4 5 5 4 5 6 6 6 5 6 5 5 5 5 6 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
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) 10.3 10.1 10.1 10.8 11.0 10.7 10.3 10.2 10.1 10.1 10.1 10.7 10.9 10.8 10.8 10.5 10.5
..LITTLE BELT MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW FW SC
CLOUD COVER (%) 15 5 15 25 25 15 10 15 10 5 5 10 5 5 5 15 25
TEMPERATURE 43 48 59 63 63 53 49 47 46 51 64 67 65 54 50 48 47
MAX/MIN TEMP 64 45 68 46
WIND DIR SE SE E NE NE SE S S SW S SW W NE SE S S SW
WIND (MPH) 3 3 4 5 5 5 6 5 5 4 5 6 6 5 6 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
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 10.1 10.4 11.0 11.2 10.8 10.1 9.9 9.8 9.8 10.2 11.0 11.0 10.8 10.6 10.3 10.2
..HIGHWOOD MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW FW SC
CLOUD COVER (%) 10 5 10 15 10 10 5 5 10 0 5 5 5 5 5 5 30
TEMPERATURE 48 52 61 66 65 57 54 53 52 56 65 69 67 58 55 53 52
MAX/MIN TEMP 67 51 69 52
WIND DIR S S E E E SE SE S W S NE NE NE SE S S SW
WIND (MPH) 5 4 4 5 6 8 8 6 5 3 5 5 6 8 6 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
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) 10.0 9.8 10.0 10.6 10.6 10.0 9.7 9.6 9.4 9.5 9.9 10.2 10.2 10.3 10.3 10.1 10.1
..SNOWY/JUDITH MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW FW FW FW FW FW FW FW FW FW FW FW
CLOUD COVER (%) 20 10 20 35 20 20 10 10 15 10 10 10 10 15 10 10 25
TEMPERATURE 47 53 61 64 64 54 51 49 48 55 65 68 66 55 51 48 47
MAX/MIN TEMP 66 46 68 46
WIND DIR NW NW NE NE E SE S S S S S SE SE SE SE S S
WIND (MPH) 4 3 4 5 5 5 5 5 5 4 6 6 6 6 8 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 0 0 0 0 0 0 5 5 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) 10.3 10.2 10.3 10.7 10.6 10.3 10.0 9.6 9.6 9.6 9.9 10.5 10.8 10.6 10.3 10.0 10.0
..BEARS PAW MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW FW FW FW FW FW FW FW
CLOUD COVER (%) 10 5 10 20 20 10 10 10 25 5 10 15 15 20 10 15 25
TEMPERATURE 49 55 65 68 66 54 50 48 47 54 65 68 66 54 50 47 46
MAX/MIN TEMP 68 46 68 45
WIND DIR SW W NW NE E E SE SE SE SE SE SE SE SE SE SE SE
WIND (MPH) 2 2 4 5 5 5 5 5 5 5 9 9 8 9 9 6 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
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 9.4 9.6 10.0 10.2 9.6 9.4 9.4 9.2 9.1 9.4 10.1 10.1 9.8 9.6 9.7 9.7
..CASTLE/CRAZY MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW FW FW FW FW FW FW FW CL CL CL FW FW FW SC
CLOUD COVER (%) 25 25 15 20 20 15 15 10 15 10 0 5 5 5 10 10 30
TEMPERATURE 42 46 56 62 62 53 49 47 45 50 62 67 66 56 51 48 47
MAX/MIN TEMP 63 45 68 46
WIND DIR NE E E E E SE SE SE S S SW W N E SE SE SW
WIND (MPH) 3 3 5 6 6 5 4 4 5 4 6 8 8 5 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
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) 10.3 10.3 10.5 11.0 11.2 11.0 10.4 10.1 9.9 9.9 10.2 10.8 10.9 10.7 10.6 10.4 10.4
..BRIDGER RANGE
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW CL CL CL FW FW FW SC
CLOUD COVER (%) 35 30 15 20 15 10 15 10 15 10 0 5 5 5 10 15 30
TEMPERATURE 42 45 55 61 60 51 48 46 45 49 61 66 65 55 51 48 47
MAX/MIN TEMP 62 44 67 46
WIND DIR NE NE E E E SE SE SE SE S SW W S E E E SE
WIND (MPH) 2 2 3 4 4 4 5 4 4 4 5 5 4 5 5 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
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) 10.4 10.3 10.4 11.0 11.1 10.8 10.5 10.2 10.1 10.1 10.2 10.5 10.8 10.9 10.9 10.8 10.7
..MADISON RANGE/SPANISH PEAKS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW FW FW FW FW FW FW CL CL FW CL FW FW SC SC
CLOUD COVER (%) 30 25 5 15 15 15 10 10 10 0 0 5 5 10 15 30 45
TEMPERATURE 36 39 50 56 56 47 43 41 40 45 58 62 61 51 47 44 43
MAX/MIN TEMP 57 40 62 43
WIND DIR NE NE NE NE N NE E E E S SW W W S S S S
WIND (MPH) 3 4 5 8 8 5 4 4 4 4 4 6 5 5 6 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
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 10.1 10.6 11.3 11.5 11.1 10.7 10.4 10.2 10.1 10.6 11.3 11.5 11.4 11.3 11.2 11.1
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW CL FW FW FW SC
CLOUD COVER (%) 50 35 20 15 10 10 10 10 10 0 5 5 5 10 15 20 35
TEMPERATURE 36 39 50 56 56 47 43 41 40 44 58 63 62 52 47 44 43
MAX/MIN TEMP 58 39 63 43
WIND DIR E NE NE NE NE E E SE S S W NW N S S S S
WIND (MPH) 2 3 5 8 6 5 5 4 4 5 4 6 5 5 6 6 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
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 10.2 10.5 11.1 11.2 10.8 10.4 10.2 10.1 10.1 10.4 11.1 11.4 11.3 11.2 11.1 11.0
..LIONHEAD RANGE
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW FW FW FW FW FW CL FW FW FW FW SC SC
CLOUD COVER (%) 20 10 0 15 10 20 5 10 15 10 0 10 5 15 20 30 45
TEMPERATURE 34 38 55 62 61 48 42 37 34 40 61 66 64 50 45 39 36
MAX/MIN TEMP 64 33 66 35
WIND DIR NE NE NE NE N NE E NE E E SW SW SW S S SE E
WIND (MPH) 3 4 5 5 4 3 2 2 2 2 3 5 4 2 2 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
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) 9.8 9.9 10.4 11.0 11.4 11.5 11.0 10.8 10.4 10.3 10.6 11.4 11.6 11.5 11.4 11.2 11.1
..TOBACCO ROOT MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW FW CL CL CL CL CL FW FW SC SC
CLOUD COVER (%) 20 20 10 10 5 10 10 10 5 5 0 5 5 10 15 30 45
TEMPERATURE 37 42 51 57 57 48 46 44 43 48 59 63 62 53 50 47 46
MAX/MIN TEMP 58 43 64 45
WIND DIR NE NE NE NE NE E E E W SW SW W N E SW SW SW
WIND (MPH) 3 3 4 5 5 5 5 5 5 5 5 5 4 5 5 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
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) 10.3 10.2 10.5 10.9 11.1 10.7 10.6 10.4 10.3 10.4 10.7 11.2 11.4 11.4 11.3 11.1 11.1
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL CL CL FW FW SC BK
CLOUD COVER (%) 30 30 5 10 10 10 10 5 10 5 0 5 5 20 20 35 50
TEMPERATURE 37 41 52 59 59 49 46 44 43 47 60 65 64 53 49 46 45
MAX/MIN TEMP 60 42 66 44
WIND DIR N N NE NE N NE NE NE E S SW W W S S S S
WIND (MPH) 4 4 6 8 9 5 5 5 4 4 5 6 6 6 9 8 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
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) 10.3 10.2 10.5 11.2 11.5 11.1 10.9 10.6 10.5 10.4 10.7 11.3 11.5 11.5 11.4 11.2 11.2
..CENTENNIAL MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW FW FW FW FW FW CL CL CL FW FW SC SC
CLOUD COVER (%) 25 20 0 10 10 15 10 10 10 5 0 5 5 15 20 35 45
TEMPERATURE 37 40 51 59 59 50 45 42 41 45 58 63 61 52 48 46 44
MAX/MIN TEMP 60 41 63 44
WIND DIR N N NE NE N NE NE NE NE E SW SW SW SW NE NE NE
WIND (MPH) 8 8 6 6 6 6 6 5 4 4 5 8 8 4 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
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 10.0 10.4 11.2 11.6 11.4 11.0 10.8 10.5 10.4 10.8 11.4 11.5 11.6 11.4 11.2 11.1
..ANACONDA/HIGHLAND RANGES
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL FW FW CL FW FW CL FW FW FW FW SC SC
CLOUD COVER (%) 20 25 5 5 5 10 5 5 5 5 5 5 5 15 20 35 50
TEMPERATURE 38 42 54 62 62 51 47 45 43 47 60 66 65 54 49 47 45
MAX/MIN TEMP 63 42 67 45
WIND DIR NE E SE SE N NE NE NE SE S SW W W N NE SE S
WIND (MPH) 4 3 4 4 4 3 4 4 4 3 4 5 4 3 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
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) 10.3 10.1 10.3 11.0 11.4 11.2 10.9 10.8 10.7 10.5 10.7 11.3 11.5 11.5 11.4 11.3 11.2
..PIONEER MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 FW SC SC BK
CLOUD COVER (%) 20 20 10 5 5 10 10 5 5 5 5 5 5 20 30 40 55
TEMPERATURE 36 40 52 60 60 51 47 44 43 47 60 65 64 53 49 47 45
MAX/MIN TEMP 61 43 65 45
WIND DIR NE E E NE NE E SE S SW SW SW W NW NW NW SW SW
WIND (MPH) 3 3 5 5 5 3 4 4 4 4 5 5 5 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
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) 10.4 10.2 10.4 11.1 11.5 11.4 11.1 10.8 10.7 10.6 10.8 11.3 11.5 11.4 11.4 11.3 11.2
..BEAVERHEAD/TENDOY MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 CL CL FW FW SC SC BK
CLOUD COVER (%) 25 30 10 5 5 10 5 5 10 5 0 5 5 25 35 40 60
TEMPERATURE 35 39 51 59 59 49 45 43 42 47 60 64 63 51 47 45 44
MAX/MIN TEMP 61 41 65 44
WIND DIR NE NE NE NE N NE S SW SW S SW W W SW S S S
WIND (MPH) 5 4 5 6 6 4 5 4 4 4 5 6 5 5 6 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
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) 10.4 10.2 10.4 11.0 11.3 11.2 11.0 10.8 10.6 10.6 10.8 11.3 11.6 11.5 11.5 11.3 11.2
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE WEDNESDAY 09/17/25 THURSDAY 09/18/25
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 SC SC FW FW FW FW FW FW CL FW CL FW FW FW SC
CLOUD COVER (%) 40 35 30 30 15 20 25 20 15 15 5 10 5 10 10 15 30
TEMPERATURE 32 36 47 52 51 41 37 35 33 39 54 59 56 44 40 38 36
MAX/MIN TEMP 54 32 59 36
WIND DIR NE NE NE NE NE NE NE NE NE S SW W W S S S SW
WIND (MPH) 3 3 5 8 8 5 5 4 4 4 5 8 6 4 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 10 0 0 10 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
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) 10.0 10.2 10.7 11.3 11.5 11.2 10.7 10.4 10.1 10.0 10.6 11.1 11.4 11.4 11.3 11.1 11.0
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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