493
FWUS45 KTFX 172201
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT FRI APR 17 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK SC SC FW FW FW FW FW SC FW FW FW FW FW SC FW SC
CLOUD COVER (%) 60 45 30 25 25 20 25 20 35 20 10 10 20 25 25 25 30
TEMPERATURE 29 24 24 23 22 28 34 39 39 32 30 29 28 35 44 48 48
MIN/MAX TEMP 21 40 28 49
WIND DIR NW W W W W SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 9 9 12 13 14 16 17 17 14 11 11 11 11 11 13 14 13
WIND GUST (MPH) 35 35 33 32
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.02 0.00 0.00 0.00
6 HOUR SNOW 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.6 3.5 3.3 3.1 3.5 4.4 5.1 5.6 5.2 5.2 5.0 4.8 5.3 6.3 7.1 7.5
SNOW DENSITY (%) 6 6 7 7 8 9 12 14 16 20 20 25 25 33 50 50 100
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK SC SC FW FW FW SC SC FW FW FW FW FW FW FW SC
CLOUD COVER (%) 65 60 45 30 25 15 25 30 40 25 15 10 10 10 10 20 25
TEMPERATURE 29 24 22 21 20 27 37 42 42 33 30 28 27 35 47 52 52
MIN/MAX TEMP 19 43 27 53
WIND DIR NW NW W W W W W W W W SW SW SW SW SW SW W
WIND (MPH) 11 9 9 10 10 10 11 12 11 8 8 8 8 6 9 10 10
WIND GUST (MPH) 31 27 27 28 31 32 27
PRECIP PROB (%) 30 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 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 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.9 3.7 3.5 3.3 3.0 3.4 4.5 5.2 5.8 5.4 5.3 5.1 4.8 5.4 6.5 7.2 7.6
SNOW DENSITY (%) 6 5 6 6 7 8 11 14 20 25 25 25 25 33 50 100 100
..NEVADA MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK SC FW FW FW FW SC SC SC FW FW FW FW FW FW FW
CLOUD COVER (%) 65 55 45 25 15 15 25 30 50 30 25 10 10 10 10 20 25
TEMPERATURE 32 26 24 24 23 29 38 44 46 38 34 32 30 37 49 55 56
MIN/MAX TEMP 22 46 30 57
WIND DIR NW NW W W W W W W W W SW SW SW SW SW SW W
WIND (MPH) 12 8 9 9 10 10 12 12 11 6 6 6 8 6 10 10 10
WIND GUST (MPH) 29
PRECIP PROB (%) 30 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.04 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 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.0 0.0 0.0
SNOW LEVEL (KFT) 4.0 3.8 3.6 3.3 2.9 3.2 4.4 5.4 6.0 5.7 5.4 5.1 4.7 5.3 6.4 7.3 7.8
SNOW DENSITY (%) 7 6 6 7 7 9 14 25 33 50 33 33 33 33 50 100 0
..ELKHORN/BOULDER MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW SC
CLOUD COVER (%) 55 45 35 20 10 15 25 35 40 20 15 10 10 10 15 20 25
TEMPERATURE 30 24 22 21 20 28 38 45 46 37 32 30 29 36 49 54 56
MIN/MAX TEMP 20 46 28 56
WIND DIR NW NW W W W SW SW W W SW SW SW SW SW SW SW SW
WIND (MPH) 16 10 9 9 9 9 10 12 12 8 6 8 8 8 10 11 12
WIND GUST (MPH) 33 29 31 34 25 27 31 32
PRECIP PROB (%) 20 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.00 0.00 0.00
6 HOUR SNOW 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.7 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.7 3.6 3.2 2.8 3.2 4.4 5.5 6.2 5.9 5.7 5.3 4.9 5.4 6.5 7.4 7.9
SNOW DENSITY (%) 6 6 5 6 6 7 11 20 25 25 25 25 25 33 50 100 0
..BIG BELT MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC FW FW FW SC SC SC FW FW FW FW FW FW FW
CLOUD COVER (%) 65 65 60 35 25 10 15 30 35 25 20 15 10 10 10 20 20
TEMPERATURE 30 26 24 23 23 29 38 45 47 38 34 32 30 37 48 55 56
MIN/MAX TEMP 22 47 30 57
WIND DIR NW NW W SW SW SW SW SW W SW S S S S SW SW SW
WIND (MPH) 11 6 6 9 9 11 13 13 12 8 8 9 10 10 12 12 12
WIND GUST (MPH) 33 24 32 32 32 32 31 32
PRECIP PROB (%) 30 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.00 0.00 0.00
6 HOUR SNOW 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.4 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.7 3.5 3.4 3.2 3.0 3.3 4.2 5.3 6.0 5.8 5.5 5.1 4.6 5.0 6.2 7.1 7.7
SNOW DENSITY (%) 7 6 6 6 7 8 12 25 33 50 33 33 33 33 50 100 0
..LITTLE BELT MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC FW FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 60 55 60 35 25 10 5 15 30 20 15 10 5 10 10 15 10
TEMPERATURE 30 24 22 22 22 30 39 45 46 36 32 31 30 38 50 55 56
MIN/MAX TEMP 21 46 29 57
WIND DIR NW NW W W W W W W W SW SW SW SW SW SW SW SW
WIND (MPH) 12 8 8 9 9 11 13 13 12 8 6 8 8 6 9 11 10
WIND GUST (MPH) 31 26 27 31 33 34 32 27
PRECIP PROB (%) 30 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.07 0.00 0.00 0.00
6 HOUR SNOW 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.8 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.3 3.1 2.9 2.9 3.0 3.5 4.5 5.3 5.8 5.5 5.4 5.3 5.0 5.5 6.3 7.0 7.5
SNOW DENSITY (%) 6 6 5 6 6 7 11 20 25 33 25 25 25 33 50 100 0
..HIGHWOOD MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK SC SC FW FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 55 60 50 30 10 5 5 15 25 25 10 5 5 10 10 10 10
TEMPERATURE 32 28 26 26 26 33 41 47 48 40 37 35 34 42 52 57 59
MIN/MAX TEMP 25 49 34 59
WIND DIR NW NW W W W W W W W SW SW SW SW SW W W W
WIND (MPH) 16 10 10 12 14 17 18 17 14 10 9 9 9 6 10 11 12
WIND GUST (MPH)
PRECIP PROB (%) 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
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 0.04 0.00 0.00 0.00
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.4 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.1 3.0 3.0 3.0 2.9 3.4 4.3 5.1 5.6 5.5 5.4 5.3 5.0 5.3 6.1 6.9 7.4
SNOW DENSITY (%) 7 7 7 7 8 9 14 25 50 50 50 33 33 50 50 100 0
..SNOWY/JUDITH MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC SC FW FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 45 45 45 40 20 10 5 10 30 25 20 10 10 10 10 10 15
TEMPERATURE 33 27 25 24 25 34 43 48 48 39 35 33 31 42 54 59 60
MIN/MAX TEMP 22 50 30 61
WIND DIR NW NW W W W W NW NW NW W S S SW SW SW W W
WIND (MPH) 17 11 9 9 10 12 14 13 11 6 6 6 8 5 8 9 9
WIND GUST (MPH) 39 29 26 26 27 33 35 33 32 27
PRECIP PROB (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.02 0.00 0.00 0.00
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.2 0.0 0.0 0.0
SNOW LEVEL (KFT) 2.8 2.6 2.5 2.5 2.6 3.4 4.2 5.1 5.7 5.6 5.5 5.2 5.0 5.4 6.2 6.9 7.4
SNOW DENSITY (%) 7 7 6 6 7 9 14 25 50 50 50 50 33 50 50 100 0
..BEARS PAW MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK FW BK SC FW FW FW FW SC SC FW FW FW FW CL FW FW
CLOUD COVER (%) 55 20 50 45 20 10 5 10 35 30 25 10 10 10 5 15 25
TEMPERATURE 35 27 25 25 25 34 42 48 49 39 36 32 31 40 52 58 59
MIN/MAX TEMP 23 50 29 60
WIND DIR NW NW NW W W W W W W NE SE SE S S SW SW SW
WIND (MPH) 18 10 5 5 6 10 13 13 10 5 6 5 5 5 8 10 9
WIND GUST (MPH)
PRECIP PROB (%) 5 5 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 0.01 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
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.0 0.0 0.0
SNOW LEVEL (KFT) 2.3 2.2 2.0 1.8 2.2 3.1 3.8 4.6 5.2 5.1 5.0 4.8 4.6 4.8 5.6 6.3 6.9
SNOW DENSITY (%) 8 7 7 7 7 10 14 25 50 50 50 50 33 50 50 100 0
..CASTLE/CRAZY MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC SC FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 65 65 60 45 35 10 10 20 35 20 15 10 10 10 10 15 15
TEMPERATURE 28 23 22 22 21 28 37 43 45 36 32 30 29 37 49 55 55
MIN/MAX TEMP 20 45 28 56
WIND DIR NW W W W SW SW W W W SW SW SW SW SW SW SW SW
WIND (MPH) 14 10 9 10 10 14 18 18 14 10 9 9 9 10 13 14 13
WIND GUST (MPH) 36 27 26 31 33 40 44 43 40 28 28 28 28 28 34 35 34
PRECIP PROB (%) 30 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.00 0.00 0.00
6 HOUR SNOW 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.6 3.3 3.1 3.2 3.0 3.3 4.2 5.2 6.0 5.9 5.5 5.0 4.6 5.1 6.1 7.0 7.5
SNOW DENSITY (%) 6 6 5 6 6 7 10 16 25 33 25 25 25 25 50 100 0
..BRIDGER RANGE
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC FW FW FW SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 70 60 55 35 25 10 15 30 50 25 15 10 15 10 10 15 15
TEMPERATURE 28 23 22 21 20 27 35 42 44 36 32 30 29 36 48 53 55
MIN/MAX TEMP 19 44 28 55
WIND DIR NW NW W W W SW W SW SW SW SW SW S SW SW SW SW
WIND (MPH) 11 6 5 6 6 9 13 12 11 8 8 6 6 6 9 10 9
WIND GUST (MPH) 29 26 32 31 31 25 26
PRECIP PROB (%) 40 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.05 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.07 0.00 0.00 0.00
6 HOUR SNOW 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.0 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.6 3.4 3.2 2.9 3.2 4.0 5.2 6.2 5.9 5.2 4.8 4.5 5.1 6.2 7.1 7.6
SNOW DENSITY (%) 6 6 5 6 6 7 10 16 25 33 25 25 25 25 50 100 0
..MADISON RANGE/SPANISH PEAKS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK SC SC FW FW CL FW SC BK SC FW FW FW FW FW FW SC
CLOUD COVER (%) 60 45 45 25 15 5 25 45 55 30 20 10 10 10 15 10 30
TEMPERATURE 23 18 15 13 12 21 31 36 36 28 25 24 22 30 43 47 47
MIN/MAX TEMP 11 37 22 48
WIND DIR W NW W W SW SW SW SW SW S S S S S SW SW SW
WIND (MPH) 11 5 4 5 8 9 11 12 13 11 11 10 9 8 9 10 10
WIND GUST (MPH) 29 31 33 33 31 28 27 26 25 27 28 27
PRECIP PROB (%) 30 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.00 0.00 0.00
6 HOUR SNOW 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.7 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.6 3.3 3.0 2.5 3.2 4.5 5.6 5.9 5.2 5.0 4.9 4.7 5.5 6.5 7.2 7.4
SNOW DENSITY (%) 5 5 5 5 5 6 7 10 11 11 12 12 12 16 25 33 50
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC FW FW FW SC SC SC FW FW FW FW FW FW FW
CLOUD COVER (%) 65 60 65 45 20 5 25 30 45 35 20 15 15 10 15 20 20
TEMPERATURE 25 19 17 15 13 23 34 39 39 30 26 25 23 31 45 50 49
MIN/MAX TEMP 12 40 23 50
WIND DIR NW W W W SW SW SW SW SW S S S S S SW SW SW
WIND (MPH) 11 5 5 6 8 9 10 11 11 11 11 10 9 8 9 9 8
WIND GUST (MPH)
PRECIP PROB (%) 40 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S
6 HOUR QPF 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.06 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.09 0.00 0.00 0.00
6 HOUR SNOW 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.0 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.6 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.7 3.4 3.0 2.6 3.2 4.6 5.8 6.1 5.3 5.0 4.9 4.6 5.6 6.6 7.3 7.6
SNOW DENSITY (%) 5 5 5 5 5 6 8 11 12 14 14 14 16 20 25 50 50
..LIONHEAD RANGE
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK SC FW FW CL SC SC BK FW FW FW FW FW FW FW SC
CLOUD COVER (%) 70 55 35 25 20 5 25 45 60 25 10 10 10 5 15 10 35
TEMPERATURE 27 22 18 15 13 22 32 37 37 29 25 22 20 29 45 51 50
MIN/MAX TEMP 13 39 20 51
WIND DIR W SW SW SW SW SW SW SW SW S S S SE S SW SW SW
WIND (MPH) 10 6 4 3 3 5 10 11 10 6 5 4 4 4 6 8 6
WIND GUST (MPH)
PRECIP PROB (%) 40 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.04 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 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.6 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.7 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.9 3.8 3.4 2.9 2.7 3.3 4.4 5.3 5.7 5.3 5.1 4.9 4.8 5.5 6.2 7.0 7.3
SNOW DENSITY (%) 6 5 5 5 6 6 7 9 12 14 16 14 14 20 33 50 100
..TOBACCO ROOT MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW SC
CLOUD COVER (%) 55 45 35 10 10 15 30 40 40 20 15 15 15 15 15 15 30
TEMPERATURE 27 21 18 17 17 25 34 40 40 32 29 28 27 34 45 50 51
MIN/MAX TEMP 16 41 26 52
WIND DIR NW NW NW W W SW SW SW SW S SW SW SW SW SW SW SW
WIND (MPH) 12 9 8 8 10 11 13 16 16 13 11 10 10 9 11 13 13
WIND GUST (MPH) 31 33 31
PRECIP PROB (%) 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
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 0.03 0.00 0.00 0.00
6 HOUR SNOW 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.2 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.5 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.6 3.4 3.0 2.7 3.3 4.3 5.5 6.1 5.6 5.3 5.0 4.7 5.3 6.4 7.2 7.7
SNOW DENSITY (%) 6 5 5 5 6 7 9 12 16 16 16 16 16 20 33 50 100
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK SC FW FW FW FW SC SC SC SC FW FW FW FW FW FW SC
CLOUD COVER (%) 55 40 25 10 10 20 35 45 50 25 15 10 10 10 20 15 40
TEMPERATURE 28 21 19 17 16 25 35 40 39 31 28 26 25 33 47 51 50
MIN/MAX TEMP 16 40 25 52
WIND DIR NW NW NW W SW S S S S S S S S S S S S
WIND (MPH) 14 8 5 5 5 8 13 17 17 13 11 9 9 8 11 14 14
WIND GUST (MPH) 32
PRECIP PROB (%) 20 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
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 0.01 0.00 0.00 0.00
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.2 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.6 3.4 3.1 2.8 3.3 4.6 5.6 5.9 5.4 5.2 5.1 4.9 5.4 6.4 7.0 7.4
SNOW DENSITY (%) 6 5 5 6 6 7 9 12 14 16 16 16 16 20 33 50 100
..CENTENNIAL MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK SC FW FW FW FW SC SC BK SC FW FW FW FW FW FW SC
CLOUD COVER (%) 65 40 20 10 10 10 35 50 60 25 15 10 10 10 15 15 40
TEMPERATURE 26 21 18 16 15 23 30 35 35 29 27 25 24 31 43 48 48
MIN/MAX TEMP 15 36 24 48
WIND DIR W NW NW W W S S S S S S SE SE S S S SW
WIND (MPH) 14 10 8 6 5 8 14 16 14 11 9 8 8 8 12 12 11
WIND GUST (MPH)
PRECIP PROB (%) 30 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
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 0.02 0.00 0.00 0.00
6 HOUR SNOW 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.2 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.8 3.4 3.0 2.8 3.3 4.4 5.3 5.6 5.3 5.2 5.1 5.0 5.4 6.2 6.8 7.1
SNOW DENSITY (%) 6 5 5 5 6 7 7 10 12 14 14 14 16 16 25 50 50
..ANACONDA/HIGHLAND RANGES
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC FW FW FW FW SC SC BK SC FW FW FW SC FW FW FW SC
CLOUD COVER (%) 45 20 20 15 25 40 45 55 40 25 15 15 25 20 20 25 45
TEMPERATURE 30 23 19 18 17 25 36 43 44 35 30 28 26 33 47 53 54
MIN/MAX TEMP 17 44 26 55
WIND DIR NW NW NW W SW SW SW SW SW SW SW SW S S S SW SW
WIND (MPH) 13 8 4 4 4 5 9 10 10 5 5 5 5 5 8 9 8
WIND GUST (MPH) 31 26 29 29 27 27
PRECIP PROB (%) 10 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) 3.8 3.6 3.4 3.1 2.9 3.3 4.5 5.7 6.4 6.0 5.6 5.1 4.8 5.2 6.5 7.5 8.0
SNOW DENSITY (%) 6 6 6 6 7 7 10 16 20 25 20 25 25 25 50 100 0
..PIONEER MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC FW FW FW SC SC BK SC FW FW FW FW FW FW FW SC
CLOUD COVER (%) 45 30 20 15 15 40 40 60 40 25 15 15 25 20 20 25 45
TEMPERATURE 28 21 18 17 16 25 36 42 42 33 29 27 26 34 47 52 53
MIN/MAX TEMP 16 43 26 53
WIND DIR NW NW NW W W SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 16 9 5 5 5 5 9 11 11 6 6 6 5 5 9 10 10
WIND GUST (MPH) 36 26 28 31 27
PRECIP PROB (%) 5 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 0.1 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.7 3.6 3.4 3.1 2.8 3.2 4.6 5.7 6.3 6.1 5.7 5.2 4.9 5.4 6.6 7.4 8.0
SNOW DENSITY (%) 6 5 5 6 7 7 10 16 20 20 16 20 20 25 33 100 100
..BEAVERHEAD/TENDOY MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC FW FW FW SC SC BK SC FW FW FW FW FW FW SC BK
CLOUD COVER (%) 50 30 15 10 20 40 45 60 40 20 15 15 15 20 20 30 50
TEMPERATURE 28 22 19 17 17 26 36 41 41 32 29 27 26 34 47 52 52
MIN/MAX TEMP 16 42 25 53
WIND DIR NW NW NW W SW SW SW SW SW S S S S S S SW SW
WIND (MPH) 17 10 6 5 5 6 11 13 13 11 10 9 8 8 11 13 12
WIND GUST (MPH) 34 32 33 29 29 31 32
PRECIP PROB (%) 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
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 0.01 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
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 3.8 3.5 3.3 3.0 3.4 4.6 5.6 6.2 5.8 5.5 5.1 4.9 5.4 6.6 7.2 7.7
SNOW DENSITY (%) 5 5 5 6 7 7 10 14 16 16 16 20 20 25 33 50 100
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK OV BK SC FW CL FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 70 65 75 70 50 10 5 15 40 15 10 10 10 5 5 10 15
TEMPERATURE 20 14 13 11 10 17 27 33 32 22 19 17 16 24 37 42 41
MIN/MAX TEMP 9 34 15 43
WIND DIR NW NW W W W SW SW SW SW SW S S S SW SW SW SW
WIND (MPH) 12 8 6 6 6 9 12 13 12 10 8 8 6 6 9 10 9
WIND GUST (MPH) 29 29 25
PRECIP PROB (%) 40 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.04 0.00 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.07 0.00 0.00 0.00
6 HOUR SNOW 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.6 0.0 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 0.9 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.5 3.3 3.1 2.9 2.5 3.1 4.5 5.6 5.9 5.3 4.9 4.6 4.6 5.4 6.5 7.4 7.7
SNOW DENSITY (%) 5 5 5 5 5 5 6 7 8 7 8 8 8 10 14 25 33
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER OV OV BK SC SC FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 70 75 65 45 25 10 5 15 35 20 15 15 15 10 10 10 15
TEMPERATURE 23 18 16 15 15 23 32 37 37 28 26 25 24 31 42 46 46
MIN/MAX TEMP 14 38 23 47
WIND DIR NW NW W W W W W W SW SW SW SW SW SW SW SW SW
WIND (MPH) 17 11 11 12 14 14 14 14 14 16 17 16 16 11 10 11 11
WIND GUST (MPH) 41 29 29 33 36 34 35 35 36 37 40 37 35 28 29 31 32
PRECIP PROB (%) 50 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.04 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 0.00
6 HOUR SNOW 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.7 0.0 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 1.3 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.6 3.4 3.2 2.9 2.6 3.2 4.5 5.7 6.1 5.2 5.1 4.9 4.7 5.5 6.6 7.4 7.7
SNOW DENSITY (%) 6 5 5 5 5 6 8 10 11 12 12 12 12 16 20 33 50
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC SC FW FW SC SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 65 55 55 40 25 5 15 30 45 25 15 10 10 5 10 10 20
TEMPERATURE 25 19 17 14 13 21 32 38 37 28 24 22 21 29 44 48 48
MIN/MAX TEMP 12 39 20 49
WIND DIR NW W W W SW SW SW SW SW SW S S S S SW SW SW
WIND (MPH) 11 6 5 5 6 8 11 12 12 10 9 8 8 6 9 10 9
WIND GUST (MPH) 39 28 24 27 31 32 35 35 37 33 35 33 31 27 29 31 32
PRECIP PROB (%) 40 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.04 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.00 0.00 0.00
6 HOUR SNOW 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.6 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.9 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.7 3.5 3.2 2.9 2.5 3.1 4.5 5.6 5.9 5.4 4.9 4.7 4.6 5.5 6.5 7.3 7.5
SNOW DENSITY (%) 6 5 5 5 5 6 7 10 11 11 11 11 11 14 25 50 50
..CRAZY MOUNTAINS
DATE SATURDAY 04/18/26 SUNDAY 04/19/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER BK BK BK SC SC FW FW FW SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 70 60 55 45 35 15 10 20 45 25 15 10 15 10 10 10 15
TEMPERATURE 26 22 20 20 20 26 34 40 42 34 31 30 29 36 47 52 52
MIN/MAX TEMP 19 42 28 53
WIND DIR NW NW W W W W W W W SW SW W W SW SW SW SW
WIND (MPH) 17 11 11 12 14 18 20 19 17 12 12 13 13 12 13 14 14
WIND GUST (MPH) 41 29 33 34 43 46 43 41 29 31 31 31 31 35 35 36
PRECIP PROB (%) 40 10 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.04 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.05 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.00 0.00 0.00
6 HOUR SNOW 0.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.8 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.8 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.5 3.3 3.1 3.2 3.1 3.2 4.2 5.1 6.0 5.9 5.4 5.0 4.7 5.3 6.2 7.1 7.5
SNOW DENSITY (%) 6 6 5 5 6 7 9 12 16 20 20 20 20 25 33 50 100
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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