049
FWUS45 KTFX 162201
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT THU APR 16 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK OV BK SC FW FW FW FW FW FW SC
CLOUD COVER (%) 85 80 60 50 65 60 65 70 55 30 20 15 15 20 10 15 45
TEMPERATURE 19 16 14 15 16 21 26 29 29 25 24 23 23 28 35 39 39
MIN/MAX TEMP 13 30 22 40
WIND DIR NW NW W W W W NW W W SW SW SW SW SW SW SW SW
WIND (MPH) 12 9 8 9 10 9 11 10 10 10 12 13 13 14 17 17 16
WIND GUST (MPH) 31 31 32 36 36 34
PRECIP PROB (%) 40 10 10 10 5 10 30 40 5 5 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.01 0.00 0.00 0.08 0.01 0.00 0.00 0.00
12 HOUR QPF 0.01 0.08 0.01 0.00
LOW END QPF 0.00 0.01 0.00 0.00
HIGH END QPF 0.06 0.11 0.01 0.00
6 HOUR SNOW 0.3 0.1 0.1 1.2 0.1 0.0 0.0 0.0
12 HOUR SNOW 0.4 1.3 0.1 0.0
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 0.9 1.7 0.1 0.0
SNOW LEVEL (KFT) 1.2 1.0 1.3 1.6 1.7 2.1 2.8 3.4 3.8 3.6 3.4 3.2 3.0 3.5 4.4 5.1 5.6
SNOW DENSITY (%) 5 5 5 6 6 6 6 6 7 7 7 7 8 9 12 14 16
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK OV BK BK SC FW FW FW FW FW FW SC
CLOUD COVER (%) 80 75 70 55 55 60 80 65 55 40 25 15 10 10 5 15 35
TEMPERATURE 24 19 17 16 17 22 27 29 29 24 22 21 21 28 37 42 43
MIN/MAX TEMP 15 30 20 43
WIND DIR NW NW W W W W W NW NW W W W W W W W W
WIND (MPH) 14 11 9 9 9 10 12 12 11 9 9 9 9 10 12 12 12
WIND GUST (MPH) 37 29 32 32 29 26 26 27 29 31 31
PRECIP PROB (%) 60 40 20 20 10 20 70 50 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.03 0.01 0.01 0.06 0.01 0.00 0.00 0.00
12 HOUR QPF 0.04 0.07 0.01 0.00
LOW END QPF 0.00 0.01 0.00 0.00
HIGH END QPF 0.08 0.12 0.02 0.00
6 HOUR SNOW 0.5 0.2 0.2 0.9 0.2 0.0 0.0 0.0
12 HOUR SNOW 0.7 1.1 0.2 0.0
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 1.2 1.7 0.3 0.0
SNOW LEVEL (KFT) 2.3 1.7 1.6 1.8 2.0 2.4 3.1 3.4 3.9 3.6 3.3 3.1 2.9 3.5 4.4 5.2 5.7
SNOW DENSITY (%) 5 5 5 5 6 6 6 6 6 6 6 7 7 8 11 16 20
..NEVADA MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 OV BK BK BK BK OV SC SC FW FW FW FW CL FW SC
CLOUD COVER (%) 70 75 70 60 65 65 65 70 50 40 20 10 5 5 5 15 30
TEMPERATURE 26 21 20 20 21 25 29 31 32 27 25 24 23 30 38 44 46
MIN/MAX TEMP 19 33 22 46
WIND DIR W NW W W W W W NW W W W W SW SW W W W
WIND (MPH) 18 13 10 10 9 11 12 12 11 8 8 9 9 10 12 12 11
WIND GUST (MPH) 39 33 27 31 31 29
PRECIP PROB (%) 60 20 20 10 30 20 50 60 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.08 0.03 0.01 0.05 0.01 0.00 0.00 0.00
12 HOUR QPF 0.11 0.06 0.01 0.00
LOW END QPF 0.01 0.02 0.00 0.00
HIGH END QPF 0.12 0.12 0.01 0.00
6 HOUR SNOW 1.3 0.5 0.2 0.6 0.2 0.0 0.0 0.0
12 HOUR SNOW 1.8 0.8 0.2 0.0
LOW END SNOW 0.1 0.1 0.0 0.0
HIGH END SNOW 2.0 1.5 0.2 0.0
SNOW LEVEL (KFT) 2.8 2.1 1.7 1.9 2.0 2.5 3.1 3.6 3.9 3.6 3.3 3.1 2.8 3.4 4.3 5.3 5.8
SNOW DENSITY (%) 6 5 5 5 6 6 7 7 7 7 7 7 7 9 14 20 33
..ELKHORN/BOULDER MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 OV BK BK BK BK BK OV SC SC FW FW FW FW FW FW FW
CLOUD COVER (%) 45 70 65 55 60 60 65 75 40 30 15 5 5 5 5 10 20
TEMPERATURE 22 18 17 17 18 22 27 29 30 24 22 21 21 29 38 44 46
MIN/MAX TEMP 17 31 20 46
WIND DIR NW NW NW NW W W NW NW NW NW W W SW SW SW W W
WIND (MPH) 20 16 12 11 10 12 14 13 13 9 8 8 9 9 10 12 12
WIND GUST (MPH) 44 39 32 29 28 32 34 32 33 29 31 33
PRECIP PROB (%) 5 40 20 20 30 20 30 60 10 10 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.09 0.04 0.01 0.06 0.00 0.00 0.00 0.00
12 HOUR QPF 0.13 0.07 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.13 0.12 0.00 0.00
6 HOUR SNOW 1.5 0.6 0.2 0.9 0.1 0.0 0.0 0.0
12 HOUR SNOW 2.1 1.1 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 2.2 1.7 0.1 0.0
SNOW LEVEL (KFT) 2.5 2.6 2.1 2.1 2.2 2.5 3.0 3.4 3.8 3.6 3.4 3.1 2.8 3.4 4.4 5.4 6.0
SNOW DENSITY (%) 6 5 5 5 5 5 6 6 6 6 6 6 7 7 11 16 25
..BIG BELT MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 OV BK BK BK BK BK OV BK SC SC FW FW FW FW FW FW
CLOUD COVER (%) 65 75 70 60 60 65 65 85 60 50 30 15 10 10 5 10 20
TEMPERATURE 26 21 19 18 19 24 30 31 31 26 25 24 23 30 38 45 47
MIN/MAX TEMP 18 33 22 47
WIND DIR NW NW NW W W W NW NW NW W SW SW SW SW SW SW SW
WIND (MPH) 17 12 9 9 9 10 12 11 10 6 6 8 9 11 13 13 13
WIND GUST (MPH) 43 36 28 27 27 33 35 34 32 24 33 33 34
PRECIP PROB (%) 40 30 20 20 30 20 40 70 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.07 0.03 0.01 0.09 0.03 0.00 0.00 0.00
12 HOUR QPF 0.10 0.10 0.03 0.00
LOW END QPF 0.00 0.02 0.00 0.00
HIGH END QPF 0.10 0.14 0.04 0.00
6 HOUR SNOW 1.1 0.5 0.3 1.3 0.5 0.0 0.0 0.0
12 HOUR SNOW 1.6 1.6 0.5 0.0
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 1.6 1.9 0.6 0.0
SNOW LEVEL (KFT) 2.6 2.0 1.4 1.5 1.6 2.2 3.0 3.4 3.8 3.5 3.3 3.1 2.8 3.3 4.2 5.2 5.8
SNOW DENSITY (%) 6 5 5 5 5 6 6 7 7 7 7 7 7 8 12 20 33
..LITTLE BELT MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK OV BK BK BK OV BK BK SC FW FW FW FW FW FW
CLOUD COVER (%) 70 70 65 70 55 50 55 70 60 55 50 25 10 10 5 10 10
TEMPERATURE 26 19 16 15 16 22 28 30 29 24 22 22 22 30 39 44 45
MIN/MAX TEMP 15 32 21 46
WIND DIR NW NW NW W W NW NW NW NW W W W SW SW W W W
WIND (MPH) 13 11 10 10 10 12 16 13 11 6 6 8 9 10 12 13 13
WIND GUST (MPH) 33 28 27 29 29 35 37 34 29 26 31 32 33 33
PRECIP PROB (%) 50 30 30 20 20 20 30 60 40 40 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.06 0.03 0.01 0.06 0.02 0.00 0.00 0.00
12 HOUR QPF 0.09 0.07 0.02 0.00
LOW END QPF 0.00 0.01 0.00 0.00
HIGH END QPF 0.10 0.14 0.03 0.00
6 HOUR SNOW 1.1 0.5 0.1 0.9 0.4 0.0 0.0 0.0
12 HOUR SNOW 1.6 1.0 0.4 0.0
LOW END SNOW 0.1 0.1 0.0 0.0
HIGH END SNOW 1.6 1.7 0.5 0.0
SNOW LEVEL (KFT) 2.7 1.6 0.7 0.7 0.9 1.9 2.4 3.0 3.5 3.0 2.9 2.9 2.8 3.4 4.2 5.1 5.7
SNOW DENSITY (%) 5 5 5 5 5 5 6 6 6 6 6 6 7 7 11 16 25
..HIGHWOOD MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 OV OV OV BK SC SC BK BK BK SC FW FW FW FW FW FW
CLOUD COVER (%) 60 70 75 80 55 45 50 55 60 55 50 25 10 5 5 5 10
TEMPERATURE 23 19 16 16 16 23 29 33 33 28 27 26 27 34 41 47 49
MIN/MAX TEMP 16 34 26 49
WIND DIR NW NW W W W W NW NW NW W SW SW SW W W W W
WIND (MPH) 19 16 14 13 13 13 17 14 13 9 10 11 13 14 17 16 14
WIND GUST (MPH)
PRECIP PROB (%) 30 40 40 20 10 10 20 30 20 20 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.07 0.05 0.00 0.00 0.01 0.00 0.00 0.00
12 HOUR QPF 0.12 0.00 0.01 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.12 0.06 0.01 0.00
6 HOUR SNOW 1.2 0.9 0.0 0.0 0.1 0.0 0.0 0.0
12 HOUR SNOW 2.1 0.0 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 2.1 0.5 0.1 0.0
SNOW LEVEL (KFT) 1.8 0.6 0.2 0.2 0.3 1.0 2.2 2.6 3.3 3.0 2.9 2.7 2.6 3.3 4.1 4.9 5.5
SNOW DENSITY (%) 5 5 5 5 6 6 6 8 9 7 7 7 8 9 14 20 33
..SNOWY/JUDITH MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 OV OV SC SC SC SC SC SC SC FW FW FW FW FW
CLOUD COVER (%) 75 70 65 75 70 45 30 40 45 40 45 30 25 15 10 10 10
TEMPERATURE 28 22 19 17 17 22 31 34 33 27 26 25 25 35 43 48 49
MIN/MAX TEMP 16 35 23 50
WIND DIR NW NW NW NW NW NW NW NW NW NW W W W W W W W
WIND (MPH) 16 14 14 14 14 17 19 18 14 9 8 8 9 11 13 13 11
WIND GUST (MPH) 39 36 37 37 36 41 42 39 37 26 31 33 32 32
PRECIP PROB (%) 20 30 10 10 10 5 10 20 20 20 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.04 0.02 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 0.06 0.04 0.01 0.00
6 HOUR SNOW 0.7 0.3 0.0 0.0 0.1 0.0 0.0 0.0
12 HOUR SNOW 1.0 0.0 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.1 0.3 0.1 0.0
SNOW LEVEL (KFT) 2.6 1.7 0.6 0.3 0.3 0.5 1.7 2.3 2.7 2.5 2.5 2.5 2.5 3.2 4.1 4.8 5.4
SNOW DENSITY (%) 7 5 5 5 5 6 6 8 8 7 7 7 7 8 12 20 25
..BEARS PAW MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK SC FW FW SC SC BK SC SC FW FW FW FW
CLOUD COVER (%) 55 70 75 70 70 40 25 20 45 30 50 45 25 10 10 15 10
TEMPERATURE 25 18 15 13 14 20 28 34 34 27 26 26 26 35 43 49 50
MIN/MAX TEMP 12 35 24 51
WIND DIR NW NW NW NW NW NW NW NW NW NW NW W W W W W W
WIND (MPH) 18 16 14 13 11 12 13 16 13 8 5 5 5 9 12 12 10
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 5 5 0 0 10 5 5 5 5 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 0.04 0.00 0.01 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 0.6 0.0 0.0 0.0
SNOW LEVEL (KFT) 0.8 0.2 0.1 0.0 0.0 0.0 0.4 1.4 2.5 2.2 2.2 2.0 2.2 2.7 3.7 4.3 4.9
SNOW DENSITY (%) 5 5 5 5 5 6 6 7 8 8 7 7 8 9 12 16 25
..CASTLE/CRAZY MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK OV BK SC SC FW FW FW FW FW FW
CLOUD COVER (%) 60 55 65 65 70 60 70 80 65 50 40 25 20 10 5 10 15
TEMPERATURE 24 19 17 16 17 21 28 30 29 24 22 22 21 28 37 43 44
MIN/MAX TEMP 16 31 21 45
WIND DIR W NW W W W W W NW W W W W SW SW W W SW
WIND (MPH) 18 13 12 13 12 17 19 17 13 9 8 9 10 13 18 18 16
WIND GUST (MPH) 41 34 33 35 35 43 44 41 35 28 32 39 43 42 40
PRECIP PROB (%) 20 30 20 30 20 20 30 70 30 30 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.03 0.01 0.01 0.05 0.03 0.00 0.00 0.00
12 HOUR QPF 0.04 0.06 0.03 0.00
LOW END QPF 0.00 0.02 0.00 0.00
HIGH END QPF 0.06 0.12 0.04 0.00
6 HOUR SNOW 0.5 0.2 0.2 0.8 0.5 0.0 0.0 0.0
12 HOUR SNOW 0.7 1.0 0.5 0.0
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 0.9 1.7 0.6 0.0
SNOW LEVEL (KFT) 2.6 2.4 1.5 1.3 1.5 2.1 2.8 3.2 3.6 3.2 3.2 3.1 2.8 3.4 4.1 5.1 5.7
SNOW DENSITY (%) 6 5 5 5 5 5 6 6 6 6 6 6 6 7 10 16 25
..BRIDGER RANGE
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK OV BK BK OV BK BK SC FW FW FW CL FW FW
CLOUD COVER (%) 65 55 65 65 70 70 65 80 60 50 30 15 10 10 5 10 15
TEMPERATURE 23 19 17 17 17 20 26 29 28 23 23 21 20 27 36 42 44
MIN/MAX TEMP 16 30 20 44
WIND DIR W NW NW W W W W W NW W SW SW SW SW SW SW SW
WIND (MPH) 13 10 10 9 9 12 13 12 10 6 5 6 6 9 13 12 11
WIND GUST (MPH) 32 28 27 27 26 31 34 29 29 26 32 31 31
PRECIP PROB (%) 30 30 30 40 30 40 40 70 30 30 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.04 0.03 0.03 0.04 0.02 0.00 0.00 0.00
12 HOUR QPF 0.07 0.07 0.02 0.00
LOW END QPF 0.00 0.02 0.00 0.00
HIGH END QPF 0.09 0.13 0.02 0.00
6 HOUR SNOW 0.6 0.5 0.5 0.6 0.3 0.0 0.0 0.0
12 HOUR SNOW 1.1 1.1 0.3 0.0
LOW END SNOW 0.0 0.2 0.0 0.0
HIGH END SNOW 1.4 1.9 0.4 0.0
SNOW LEVEL (KFT) 2.7 2.6 2.0 1.6 1.7 2.2 3.0 3.4 3.8 3.5 3.4 3.1 2.8 3.3 4.0 5.1 5.8
SNOW DENSITY (%) 6 5 5 5 5 5 6 6 6 6 6 6 6 7 10 16 25
..MADISON RANGE/SPANISH PEAKS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK BK BK OV BK SC SC FW FW CL CL FW FW
CLOUD COVER (%) 80 65 65 70 60 55 60 75 60 50 35 15 10 5 5 5 15
TEMPERATURE 18 14 11 10 9 14 20 23 23 18 15 13 12 22 32 37 36
MIN/MAX TEMP 9 24 11 37
WIND DIR NW NW NW NW W W NW NW NW W W SW SW SW SW SW SW
WIND (MPH) 11 9 8 6 6 8 10 11 10 6 4 5 6 8 11 12 12
WIND GUST (MPH) 31 28 25 29 29 29 31 33 33
PRECIP PROB (%) 70 50 30 20 30 30 40 60 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.02 0.05 0.02 0.06 0.02 0.00 0.00 0.00
12 HOUR QPF 0.07 0.08 0.02 0.00
LOW END QPF 0.02 0.02 0.00 0.00
HIGH END QPF 0.12 0.14 0.02 0.00
6 HOUR SNOW 0.4 0.8 0.4 1.0 0.3 0.0 0.0 0.0
12 HOUR SNOW 1.2 1.4 0.3 0.0
LOW END SNOW 0.3 0.3 0.0 0.0
HIGH END SNOW 2.0 2.2 0.4 0.0
SNOW LEVEL (KFT) 2.6 2.3 2.1 1.8 1.8 2.2 2.9 3.3 3.8 3.6 3.4 3.1 2.7 3.4 4.4 5.3 5.8
SNOW DENSITY (%) 6 5 5 5 5 5 5 6 5 6 5 5 6 6 8 10 12
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK OV OV OV OV OV BK BK BK SC SC FW FW CL FW FW
CLOUD COVER (%) 75 60 80 80 75 75 75 65 60 55 45 25 15 5 5 10 15
TEMPERATURE 20 15 13 12 11 15 21 24 24 19 17 15 14 23 35 40 39
MIN/MAX TEMP 10 26 13 40
WIND DIR NW W NW W W W NW NW NW W SW SW SW SW SW SW SW
WIND (MPH) 11 8 8 6 6 9 12 11 10 6 5 6 8 8 10 11 11
WIND GUST (MPH) 29 29 27
PRECIP PROB (%) 60 40 40 20 50 50 50 50 30 30 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.03 0.07 0.05 0.07 0.02 0.00 0.00 0.00
12 HOUR QPF 0.10 0.12 0.02 0.00
LOW END QPF 0.03 0.02 0.00 0.00
HIGH END QPF 0.13 0.18 0.02 0.00
6 HOUR SNOW 0.5 1.3 1.0 1.2 0.3 0.0 0.0 0.0
12 HOUR SNOW 1.8 2.2 0.3 0.0
LOW END SNOW 0.4 0.3 0.0 0.0
HIGH END SNOW 2.3 2.8 0.3 0.0
SNOW LEVEL (KFT) 2.7 2.3 2.2 1.8 1.8 2.2 2.9 3.4 3.8 3.7 3.3 3.0 2.7 3.4 4.5 5.3 5.9
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 5 6 5 5 6 6 8 11 14
..LIONHEAD RANGE
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 SC SC SC FW BK OV BK SC SC FW FW CL CL FW FW
CLOUD COVER (%) 85 70 45 50 40 25 65 75 65 45 25 15 10 5 5 5 10
TEMPERATURE 22 17 14 12 10 16 25 28 27 20 16 13 12 22 34 39 39
MIN/MAX TEMP 9 29 11 40
WIND DIR W NW W W SW SW W W W SW SW S S SW SW SW SW
WIND (MPH) 10 8 5 5 4 5 9 10 10 5 3 3 3 5 10 10 10
WIND GUST (MPH)
PRECIP PROB (%) 80 40 20 10 5 10 40 60 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.02 0.01 0.01 0.03 0.01 0.00 0.00 0.00
12 HOUR QPF 0.03 0.04 0.01 0.00
LOW END QPF 0.00 0.02 0.00 0.00
HIGH END QPF 0.11 0.12 0.01 0.00
6 HOUR SNOW 0.3 0.2 0.1 0.6 0.2 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.7 0.2 0.0
LOW END SNOW 0.0 0.2 0.0 0.0
HIGH END SNOW 1.7 2.0 0.2 0.0
SNOW LEVEL (KFT) 3.2 2.3 2.0 1.8 1.5 2.1 2.9 3.5 3.9 3.7 3.4 3.1 2.8 3.4 4.4 5.3 5.8
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 6 6 6 7 12 16
..TOBACCO ROOT MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK OV BK SC BK BK OV BK SC FW FW FW FW FW FW FW
CLOUD COVER (%) 70 60 75 60 50 55 55 70 55 45 20 10 10 10 5 15 15
TEMPERATURE 20 15 14 14 13 17 23 26 26 21 19 17 17 25 34 40 41
MIN/MAX TEMP 12 27 16 41
WIND DIR NW NW NW W NW W NW NW NW NW W SW SW SW SW SW SW
WIND (MPH) 14 12 10 9 9 10 12 12 11 8 8 8 9 10 13 14 14
WIND GUST (MPH) 34 31 28 31
PRECIP PROB (%) 60 30 20 20 20 20 20 50 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.02 0.02 0.01 0.06 0.01 0.00 0.00 0.00
12 HOUR QPF 0.04 0.07 0.01 0.00
LOW END QPF 0.01 0.02 0.00 0.00
HIGH END QPF 0.07 0.13 0.01 0.00
6 HOUR SNOW 0.4 0.3 0.2 0.9 0.2 0.0 0.0 0.0
12 HOUR SNOW 0.7 1.1 0.2 0.0
LOW END SNOW 0.1 0.2 0.0 0.0
HIGH END SNOW 1.2 1.9 0.2 0.0
SNOW LEVEL (KFT) 2.5 2.3 2.2 2.0 2.0 2.3 3.0 3.5 3.9 3.7 3.4 3.1 2.9 3.5 4.4 5.3 6.0
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 6 6 7 9 12 16
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK SC SC BK BK BK SC FW FW FW CL FW FW FW
CLOUD COVER (%) 65 55 60 60 45 30 55 60 50 35 20 5 5 5 5 10 15
TEMPERATURE 20 15 14 13 13 17 24 27 27 21 19 17 17 25 36 40 40
MIN/MAX TEMP 12 28 16 41
WIND DIR NW NW NW NW NW NW NW NW NW NW W W SW SW SW SW S
WIND (MPH) 17 14 12 10 9 10 13 14 12 8 5 5 5 6 12 16 16
WIND GUST (MPH) 34 31
PRECIP PROB (%) 50 30 10 5 5 10 20 40 10 10 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S
6 HOUR QPF 0.01 0.01 0.00 0.02 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.02 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.07 0.07 0.00 0.00
6 HOUR SNOW 0.2 0.1 0.0 0.3 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.3 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 1.1 1.0 0.0 0.0
SNOW LEVEL (KFT) 2.4 2.2 2.1 2.1 1.9 2.2 2.9 3.4 3.8 3.8 3.6 3.2 3.0 3.5 4.4 5.3 5.8
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 6 6 7 9 12 16
..CENTENNIAL MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK SC SC SC FW BK BK BK SC FW FW FW CL CL FW FW
CLOUD COVER (%) 75 50 40 40 30 20 55 70 65 30 15 10 5 5 5 10 10
TEMPERATURE 20 16 13 12 12 16 23 26 26 20 18 16 16 24 32 36 37
MIN/MAX TEMP 11 27 15 37
WIND DIR NW NW NW NW NW NW NW W NW NW NW NW NW SW SW SW SW
WIND (MPH) 17 17 16 13 12 12 14 14 14 10 8 6 5 8 14 16 14
WIND GUST (MPH)
PRECIP PROB (%) 60 30 10 10 5 5 20 60 10 10 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S
6 HOUR QPF 0.01 0.00 0.00 0.02 0.00 0.00 0.00 0.00
12 HOUR QPF 0.01 0.02 0.00 0.00
LOW END QPF 0.00 0.01 0.00 0.00
HIGH END QPF 0.08 0.09 0.00 0.00
6 HOUR SNOW 0.2 0.1 0.0 0.4 0.1 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.4 0.1 0.0
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 1.3 1.4 0.1 0.0
SNOW LEVEL (KFT) 2.7 2.3 2.0 2.0 1.8 2.2 2.9 3.4 3.9 3.8 3.6 3.3 3.0 3.5 4.4 5.2 5.7
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 6 6 6 8 11 14
..ANACONDA/HIGHLAND RANGES
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK BK SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 55 60 70 65 55 55 60 60 40 25 10 5 10 15 15 20 25
TEMPERATURE 19 15 15 15 15 19 25 28 29 22 19 18 17 25 36 43 45
MIN/MAX TEMP 15 30 17 45
WIND DIR NW NW NW NW NW W NW NW NW NW W W SW S SW SW SW
WIND (MPH) 16 11 9 6 5 8 10 11 11 6 4 4 4 5 8 10 10
WIND GUST (MPH) 35 29 28 25 28 28
PRECIP PROB (%) 20 30 30 10 10 10 30 40 5 5 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S
6 HOUR QPF 0.05 0.04 0.02 0.03 0.00 0.00 0.00 0.00
12 HOUR QPF 0.09 0.05 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.12 0.08 0.00 0.00
6 HOUR SNOW 0.9 0.7 0.3 0.4 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.6 0.7 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 2.0 1.1 0.0 0.0
SNOW LEVEL (KFT) 2.5 2.3 2.3 2.3 2.2 2.4 3.0 3.4 3.8 3.7 3.4 3.2 3.0 3.5 4.5 5.5 6.1
SNOW DENSITY (%) 5 5 5 5 5 5 6 6 6 6 6 6 7 7 11 16 25
..PIONEER MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 60 55 70 65 55 55 60 60 40 25 10 10 10 15 15 15 20
TEMPERATURE 18 14 13 14 14 17 23 26 27 21 18 16 16 25 36 42 43
MIN/MAX TEMP 13 28 15 44
WIND DIR NW NW W W W W NW NW NW NW W W SW SW SW SW SW
WIND (MPH) 19 13 11 10 9 10 12 13 13 8 5 5 5 5 9 10 11
WIND GUST (MPH) 42 36 34 31 27 29 32 33 34 25 28 29
PRECIP PROB (%) 30 10 20 5 10 5 30 40 10 10 0 0 0 0 0 0 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.02 0.01 0.00 0.03 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.03 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.07 0.00 0.00
6 HOUR SNOW 0.3 0.2 0.1 0.5 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 0.6 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.9 1.0 0.0 0.0
SNOW LEVEL (KFT) 2.4 2.2 2.2 2.2 2.1 2.4 3.0 3.3 3.7 3.6 3.4 3.3 3.1 3.5 4.6 5.4 6.1
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 6 6 7 10 14 20
..BEAVERHEAD/TENDOY MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK SC SC SC BK SC FW FW FW FW FW FW FW FW
CLOUD COVER (%) 55 40 55 55 45 40 50 55 40 20 10 10 10 15 15 15 15
TEMPERATURE 18 13 13 13 13 17 23 27 27 20 18 17 17 26 36 42 42
MIN/MAX TEMP 12 28 16 43
WIND DIR NW NW NW NW W NW NW NW NW NW W SW SW SW SW SW SW
WIND (MPH) 21 18 16 13 11 12 14 14 13 9 6 5 5 6 11 12 13
WIND GUST (MPH) 43 43 42 39 34 34 33 31 31 31
PRECIP PROB (%) 20 10 10 5 10 0 20 30 5 5 0 0 0 0 0 0 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.02 0.01 0.00 0.02 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.02 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.04 0.00 0.00
6 HOUR SNOW 0.3 0.1 0.1 0.3 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.4 0.4 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.8 0.7 0.0 0.0
SNOW LEVEL (KFT) 2.4 2.2 2.2 2.1 2.0 2.3 2.9 3.3 3.8 3.8 3.6 3.4 3.2 3.6 4.5 5.4 6.0
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 5 6 6 6 6 7 10 14 20
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK OV BK BK BK OV BK BK BK SC SC FW FW FW FW
CLOUD COVER (%) 90 65 65 75 65 55 70 75 65 65 55 50 30 10 5 5 10
TEMPERATURE 19 12 8 6 4 9 17 20 19 13 12 10 10 17 28 33 32
MIN/MAX TEMP 3 21 9 33
WIND DIR NW NW W W W W NW NW NW W W W SW SW SW W SW
WIND (MPH) 11 8 6 6 6 9 12 13 11 6 5 5 6 8 11 12 12
WIND GUST (MPH) 32 31 28 28 29
PRECIP PROB (%) 80 10 40 30 30 30 30 60 50 50 5 5 0 0 5 5 0
PRECIP TYPE
6 HOUR QPF 0.03 0.01 0.01 0.03 0.03 0.00 0.00 0.00
12 HOUR QPF 0.04 0.04 0.03 0.00
LOW END QPF 0.02 0.03 0.00 0.00
HIGH END QPF 0.17 0.12 0.03 0.00
6 HOUR SNOW 0.5 0.2 0.2 0.5 0.5 0.0 0.0 0.0
12 HOUR SNOW 0.7 0.7 0.5 0.0
LOW END SNOW 0.3 0.4 0.0 0.0
HIGH END SNOW 2.9 1.7 0.5 0.0
SNOW LEVEL (KFT) 3.3 2.3 2.0 1.7 1.4 1.8 2.6 2.9 3.5 3.3 3.1 2.8 2.5 3.2 4.3 5.3 5.8
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 5 6 5 5 5 6 6 8 10
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK SC BK OV BK BK SC SC FW FW FW FW FW
CLOUD COVER (%) 85 70 65 60 65 50 60 70 70 65 45 30 15 10 5 5 10
TEMPERATURE 20 15 12 10 9 14 20 23 22 17 16 15 15 23 32 37 36
MIN/MAX TEMP 9 24 14 37
WIND DIR W W W W W W NW NW NW W W SW SW SW W W W
WIND (MPH) 16 12 10 11 12 14 18 17 14 11 10 12 14 13 14 13 13
WIND GUST (MPH) 47 40 34 31 32 39 46 42 41 29 27 31 36 34 35 34 35
PRECIP PROB (%) 70 20 40 20 20 20 40 50 50 50 10 10 5 5 5 5 0
PRECIP TYPE
6 HOUR QPF 0.04 0.02 0.02 0.02 0.03 0.00 0.00 0.00
12 HOUR QPF 0.06 0.04 0.03 0.00
LOW END QPF 0.01 0.02 0.00 0.00
HIGH END QPF 0.17 0.12 0.04 0.00
6 HOUR SNOW 0.7 0.4 0.3 0.3 0.5 0.0 0.0 0.0
12 HOUR SNOW 1.1 0.6 0.5 0.0
LOW END SNOW 0.2 0.2 0.0 0.0
HIGH END SNOW 2.8 1.6 0.6 0.0
SNOW LEVEL (KFT) 3.2 2.3 2.1 1.7 1.6 1.8 2.6 3.0 3.5 3.3 3.2 2.8 2.6 3.3 4.3 5.3 5.9
SNOW DENSITY (%) 5 6 5 6 5 6 6 6 6 6 6 6 6 6 8 10 12
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK BK BK BK BK BK OV BK BK SC SC FW FW CL FW FW
CLOUD COVER (%) 85 65 65 70 60 50 65 70 60 55 40 30 20 5 5 5 10
TEMPERATURE 21 15 12 10 9 14 21 24 24 18 15 13 12 21 33 38 37
MIN/MAX TEMP 8 25 11 38
WIND DIR NW NW W W W W NW NW NW W W SW SW SW SW SW SW
WIND (MPH) 11 8 6 6 5 8 11 11 10 6 4 5 6 8 11 12 11
WIND GUST (MPH) 43 36 31 28 29 33 41 40 37 27 24 27 31 31 35 35 37
PRECIP PROB (%) 70 30 30 20 20 30 40 60 20 20 0 0 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.03 0.03 0.02 0.05 0.02 0.00 0.00 0.00
12 HOUR QPF 0.06 0.07 0.02 0.00
LOW END QPF 0.02 0.02 0.00 0.00
HIGH END QPF 0.13 0.13 0.02 0.00
6 HOUR SNOW 0.6 0.5 0.3 0.9 0.3 0.0 0.0 0.0
12 HOUR SNOW 1.1 1.2 0.3 0.0
LOW END SNOW 0.3 0.3 0.0 0.0
HIGH END SNOW 2.2 2.0 0.4 0.0
SNOW LEVEL (KFT) 3.0 2.4 2.0 1.7 1.5 2.0 2.8 3.3 3.7 3.5 3.2 2.9 2.6 3.3 4.4 5.3 5.9
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 5 5 6 6 7 10 12
..CRAZY MOUNTAINS
DATE FRIDAY 04/17/26 SATURDAY 04/18/26
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 BK OV BK OV OV BK BK SC SC FW FW FW FW FW
CLOUD COVER (%) 65 55 65 65 70 60 70 75 65 55 40 25 20 10 10 10 10
TEMPERATURE 23 19 17 15 15 19 25 27 26 22 21 21 20 27 34 40 42
MIN/MAX TEMP 14 28 19 42
WIND DIR W NW W W W W W NW NW W W W W W W W W
WIND (MPH) 18 14 13 14 14 19 20 19 14 10 10 12 13 17 19 18 17
WIND GUST (MPH) 42 34 34 36 37 46 46 42 36 27 31 34 41 44 43 41
PRECIP PROB (%) 30 30 20 30 20 20 30 70 40 40 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.04 0.02 0.03 0.08 0.02 0.00 0.00 0.00
12 HOUR QPF 0.06 0.11 0.02 0.00
LOW END QPF 0.00 0.02 0.00 0.00
HIGH END QPF 0.09 0.16 0.03 0.00
6 HOUR SNOW 0.6 0.4 0.5 1.2 0.4 0.0 0.0 0.0
12 HOUR SNOW 1.0 1.7 0.4 0.0
LOW END SNOW 0.0 0.2 0.0 0.0
HIGH END SNOW 1.4 2.4 0.5 0.0
SNOW LEVEL (KFT) 2.7 2.5 2.0 1.5 1.6 2.0 2.9 3.3 3.5 3.2 3.2 3.1 2.9 3.3 4.2 5.1 5.7
SNOW DENSITY (%) 6 5 5 5 5 5 6 6 6 6 6 6 6 7 9 12 16
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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