353
FWUS45 KTFX 161001
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT THU APR 16 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK SC SC OV OV OV OV BK SC FW FW FW
CLOUD COVER (%) 95 90 90 85 80 60 45 45 70 75 75 75 50 35 20 20 20
TEMPERATURE 12 12 16 21 20 18 17 18 19 24 28 30 31 26 24 23 22
MAX/MIN TEMP 22 16 31 22
WIND DIR NW NW N NW NW W W W W W NW NW W SW SW SW SW
WIND (MPH) 16 17 16 14 12 8 8 9 10 10 11 11 10 9 11 12 13
WIND GUST (MPH) 34 37 36 34 29 31
PRECIP PROB (%) 90 70 80 60 50 30 10 10 30 30 60 60 10 10 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.11 0.05 0.01 0.00 0.01 0.07 0.00 0.00
12 HOUR QPF 0.16 0.01 0.08 0.00
LOW END QPF 0.04 0.00 0.02 0.00
HIGH END QPF 0.23 0.08 0.12 0.01
6 HOUR SNOW 2.1 0.9 0.2 0.1 0.1 1.1 0.1 0.0
12 HOUR SNOW 3.0 0.3 1.2 0.1
LOW END SNOW 0.6 0.0 0.1 0.0
HIGH END SNOW 3.9 1.1 1.6 0.1
SNOW LEVEL (KFT) 0.6 0.2 0.3 0.6 1.0 1.0 1.3 1.6 2.0 2.4 2.9 3.5 3.9 3.7 3.5 3.3 3.1
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 7 7 7 7 7 7
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 SC OV OV OV OV BK SC FW FW FW
CLOUD COVER (%) 60 65 80 95 80 75 55 45 70 70 90 90 55 45 20 15 10
TEMPERATURE 16 18 23 26 24 19 18 18 19 24 29 31 31 25 22 21 20
MAX/MIN TEMP 26 17 32 19
WIND DIR W W W W NW NW W W W W W NW NW W W W W
WIND (MPH) 12 14 16 16 14 10 8 9 10 11 13 13 11 8 9 9 9
WIND GUST (MPH) 33 37 39 36 35 28 33 32 31 26
PRECIP PROB (%) 30 40 70 90 60 40 20 10 60 60 90 90 30 30 0 0 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.03 0.11 0.02 0.01 0.02 0.06 0.01 0.00
12 HOUR QPF 0.14 0.03 0.08 0.01
LOW END QPF 0.04 0.00 0.02 0.00
HIGH END QPF 0.18 0.07 0.13 0.01
6 HOUR SNOW 0.5 1.8 0.4 0.2 0.3 1.0 0.2 0.0
12 HOUR SNOW 2.3 0.6 1.3 0.2
LOW END SNOW 0.4 0.0 0.1 0.0
HIGH END SNOW 3.1 1.1 1.8 0.2
SNOW LEVEL (KFT) 1.4 1.4 1.8 2.2 2.0 1.3 1.3 1.5 2.1 2.6 3.2 3.5 3.8 3.6 3.4 3.3 3.1
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 6 6 6 7 7 6 7 7 7
..NEVADA MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 SC SC OV OV OV OV BK SC FW FW FW
CLOUD COVER (%) 55 55 65 90 75 75 50 45 70 70 90 90 55 45 15 10 5
TEMPERATURE 21 23 27 29 28 23 21 21 22 26 31 32 33 28 25 24 22
MAX/MIN TEMP 30 20 34 22
WIND DIR W W W W NW NW W W W W W NW NW W W SW SW
WIND (MPH) 12 16 16 16 17 12 10 10 10 11 13 13 12 8 8 9 9
WIND GUST (MPH) 29 33 34 35 35 31 28 32 32 31
PRECIP PROB (%) 30 30 50 70 60 40 20 20 60 60 90 90 30 30 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.05 0.08 0.01 0.02 0.07 0.01 0.00
12 HOUR QPF 0.07 0.09 0.09 0.01
LOW END QPF 0.01 0.00 0.02 0.00
HIGH END QPF 0.13 0.11 0.12 0.01
6 HOUR SNOW 0.3 0.8 1.3 0.2 0.3 0.9 0.1 0.0
12 HOUR SNOW 1.1 1.5 1.2 0.1
LOW END SNOW 0.1 0.0 0.1 0.0
HIGH END SNOW 2.1 1.9 1.4 0.1
SNOW LEVEL (KFT) 2.0 1.8 2.0 2.4 2.5 1.8 1.4 1.5 2.2 2.6 3.3 3.5 3.9 3.6 3.4 3.2 2.9
SNOW DENSITY (%) 5 5 6 6 6 5 5 6 6 6 7 8 8 7 7 7 7
..ELKHORN/BOULDER MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK OV BK BK BK SC BK BK OV OV BK SC FW FW FW
CLOUD COVER (%) 75 70 70 70 55 70 60 45 65 65 85 85 50 30 10 5 5
TEMPERATURE 19 20 25 28 26 21 19 19 19 24 30 32 31 25 23 21 20
MAX/MIN TEMP 28 18 33 20
WIND DIR W NW NW NW NW NW NW W W W NW NW NW NW W SW SW
WIND (MPH) 12 14 16 17 19 14 11 11 11 12 14 14 14 9 8 8 9
WIND GUST (MPH) 36 41 36 39 42 36 31 28 29 33 34 33 34
PRECIP PROB (%) 50 50 50 50 30 50 10 10 50 50 80 80 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.02 0.06 0.01 0.01 0.04 0.01 0.00
12 HOUR QPF 0.04 0.07 0.05 0.01
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.11 0.09 0.10 0.01
6 HOUR SNOW 0.4 0.3 1.0 0.2 0.2 0.6 0.1 0.0
12 HOUR SNOW 0.7 1.2 0.8 0.1
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 1.5 1.5 1.2 0.1
SNOW LEVEL (KFT) 2.2 1.9 2.0 2.2 2.4 2.4 1.9 1.8 2.3 2.6 3.1 3.5 3.8 3.7 3.5 3.3 3.1
SNOW DENSITY (%) 5 5 6 6 6 5 5 5 5 6 6 7 7 6 6 6 7
..BIG BELT MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK OV OV OV OV BK SC BK BK OV OV BK BK FW FW FW
CLOUD COVER (%) 75 65 70 75 75 75 50 50 65 60 90 90 60 50 25 10 10
TEMPERATURE 24 24 28 30 28 23 20 19 20 26 32 33 32 28 25 24 23
MAX/MIN TEMP 31 19 34 22
WIND DIR W NW W NW NW N NW W W W W NW NW NW SW SW SW
WIND (MPH) 12 14 14 14 16 12 9 8 9 10 12 12 11 8 6 8 9
WIND GUST (MPH) 37 41 39 40 42 35 27 27 29 33 36 35 33 25
PRECIP PROB (%) 50 40 50 60 50 50 20 20 40 40 80 80 30 30 5 5 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.04 0.05 0.01 0.01 0.09 0.01 0.00
12 HOUR QPF 0.06 0.06 0.10 0.01
LOW END QPF 0.00 0.00 0.02 0.00
HIGH END QPF 0.12 0.08 0.16 0.01
6 HOUR SNOW 0.3 0.7 0.8 0.2 0.2 1.2 0.1 0.0
12 HOUR SNOW 1.0 1.0 1.4 0.1
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 1.6 1.3 1.8 0.1
SNOW LEVEL (KFT) 2.2 2.0 2.1 2.3 2.3 1.5 1.1 1.1 1.8 2.3 3.1 3.4 3.7 3.5 3.4 3.2 3.0
SNOW DENSITY (%) 5 5 6 6 6 5 5 5 5 6 7 7 8 7 7 7 7
..LITTLE BELT MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK OV OV BK BK SC BK BK OV OV BK BK SC FW FW
CLOUD COVER (%) 80 65 65 85 75 70 55 45 60 60 85 85 65 55 40 20 10
TEMPERATURE 23 23 27 29 27 20 17 17 18 25 31 32 30 25 23 22 21
MAX/MIN TEMP 30 17 33 21
WIND DIR W NW W W NW NW NW W W W NW NW NW W W SW SW
WIND (MPH) 13 16 14 14 13 11 10 10 11 12 16 14 12 6 6 8 9
WIND GUST (MPH) 34 37 35 35 34 28 28 29 32 35 37 35 31 26
PRECIP PROB (%) 50 40 50 60 60 50 30 20 40 40 80 80 40 40 5 5 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.04 0.02 0.01 0.01 0.07 0.01 0.00
12 HOUR QPF 0.05 0.03 0.08 0.01
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.09 0.06 0.13 0.01
6 HOUR SNOW 0.2 0.7 0.4 0.2 0.2 1.1 0.2 0.0
12 HOUR SNOW 0.9 0.6 1.3 0.2
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 1.3 0.9 1.7 0.2
SNOW LEVEL (KFT) 2.3 1.9 2.0 2.3 2.2 1.0 0.6 0.8 1.5 2.1 2.8 2.9 3.3 3.0 3.1 3.1 3.1
SNOW DENSITY (%) 5 5 5 6 5 5 5 5 5 5 6 7 7 6 6 6 7
..HIGHWOOD MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 SC BK SC BK BK SC BK SC FW FW
CLOUD COVER (%) 55 55 55 60 65 65 65 40 55 45 70 70 45 50 40 20 10
TEMPERATURE 25 24 26 30 27 22 19 18 20 26 32 35 34 29 27 26 26
MAX/MIN TEMP 30 18 36 26
WIND DIR W W W NW NW NW NW W W W NW NW NW W SW SW SW
WIND (MPH) 21 24 20 20 19 16 13 13 12 13 17 16 14 10 9 11 12
WIND GUST (MPH) 39 43 37
PRECIP PROB (%) 30 30 30 40 40 40 30 5 20 20 50 50 20 20 5 5 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.02 0.02 0.01 0.00 0.01 0.01 0.00
12 HOUR QPF 0.03 0.03 0.01 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.05 0.06 0.01
6 HOUR SNOW 0.2 0.3 0.4 0.2 0.1 0.1 0.1 0.0
12 HOUR SNOW 0.5 0.6 0.2 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.7 0.8 0.4 0.1
SNOW LEVEL (KFT) 2.1 1.4 1.4 1.7 0.9 0.3 0.3 0.2 0.7 1.4 2.4 2.7 3.1 3.0 3.0 2.8 2.8
SNOW DENSITY (%) 6 6 6 6 5 5 5 5 6 6 7 8 9 8 8 8 8
..SNOWY/JUDITH MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK OV OV OV BK BK BK BK SC BK BK SC SC SC FW FW
CLOUD COVER (%) 75 70 75 80 75 60 55 60 55 45 60 60 45 40 40 20 20
TEMPERATURE 29 27 30 32 30 24 20 18 18 24 33 36 35 28 26 24 24
MAX/MIN TEMP 33 17 37 22
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW W W W
WIND (MPH) 21 23 19 18 18 16 13 13 14 16 18 18 16 9 8 8 9
WIND GUST (MPH) 51 51 44 43 41 39 36 36 36 40 40 39 37 26
PRECIP PROB (%) 50 40 40 50 40 30 10 5 20 20 40 40 20 20 5 5 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.01 0.03 0.02 0.00 0.00 0.01 0.00 0.00
12 HOUR QPF 0.04 0.02 0.01 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.09 0.03 0.04 0.00
6 HOUR SNOW 0.2 0.5 0.4 0.0 0.1 0.1 0.0 0.0
12 HOUR SNOW 0.7 0.4 0.2 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.0 0.5 0.3 0.0
SNOW LEVEL (KFT) 2.8 2.2 2.2 2.4 2.3 0.9 0.3 0.2 0.6 1.0 2.0 2.4 2.6 2.6 2.5 2.5 2.6
SNOW DENSITY (%) 7 6 6 7 6 5 5 5 5 6 6 8 9 8 7 7 7
..BEARS PAW MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK OV OV OV BK SC SC FW FW FW SC SC SC SC
CLOUD COVER (%) 85 65 55 55 70 75 75 60 45 30 20 25 25 30 40 45 30
TEMPERATURE 29 25 27 30 27 20 17 15 15 21 30 35 36 28 26 25 25
MAX/MIN TEMP 31 15 37 23
WIND DIR W NW NW NW NW NW NW NW NW NW NW NW NW NW NW W W
WIND (MPH) 21 23 20 20 19 17 13 13 11 11 13 14 14 8 5 5 5
WIND GUST (MPH) 40 37
PRECIP PROB (%) 50 40 20 20 20 50 20 10 10 10 10 10 5 5 0 0 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.01 0.00 0.01 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.01 0.01 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.07 0.03 0.00 0.00
6 HOUR SNOW 0.1 0.0 0.3 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 0.3 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.0 0.4 0.0 0.0
SNOW LEVEL (KFT) 2.6 1.6 1.1 1.0 0.4 0.0 0.0 0.0 0.0 0.0 0.2 1.3 2.0 2.1 2.2 2.0 2.1
SNOW DENSITY (%) 7 6 6 5 5 5 5 5 5 6 6 7 8 8 8 7 8
..CASTLE/CRAZY MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK BK BK OV OV OV BK SC FW FW
CLOUD COVER (%) 70 70 80 80 65 60 60 60 65 60 85 85 75 55 35 20 15
TEMPERATURE 23 23 27 30 28 22 19 18 18 24 30 33 30 25 23 21 20
MAX/MIN TEMP 30 18 33 20
WIND DIR W W W W NW NW W W W W W NW NW W W W SW
WIND (MPH) 16 18 18 18 18 13 12 12 13 17 19 17 14 10 9 10 10
WIND GUST (MPH) 41 43 41 41 40 33 33 35 37 42 44 40 35 26 29 29
PRECIP PROB (%) 50 60 60 50 40 40 10 10 40 40 80 80 30 30 5 5 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.01 0.01 0.01 0.01 0.07 0.01 0.00
12 HOUR QPF 0.03 0.02 0.08 0.01
LOW END QPF 0.00 0.00 0.02 0.00
HIGH END QPF 0.12 0.06 0.12 0.01
6 HOUR SNOW 0.4 0.3 0.2 0.1 0.1 1.0 0.2 0.0
12 HOUR SNOW 0.7 0.3 1.1 0.2
LOW END SNOW 0.0 0.0 0.2 0.0
HIGH END SNOW 1.5 0.9 1.7 0.2
SNOW LEVEL (KFT) 2.7 2.3 2.4 2.3 2.5 2.0 1.1 1.1 1.7 2.2 2.8 3.2 3.5 3.3 3.2 3.1 3.0
SNOW DENSITY (%) 5 5 5 6 5 5 5 5 5 5 6 7 7 6 6 6 6
..BRIDGER RANGE
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK OV BK OV OV OV BK SC FW FW
CLOUD COVER (%) 95 90 95 80 70 60 60 55 70 70 85 85 70 55 25 10 15
TEMPERATURE 23 22 25 28 27 23 20 18 18 22 29 32 30 25 23 21 20
MAX/MIN TEMP 28 18 32 20
WIND DIR W NW W NW NW NW NW W W W W W NW W W SW SW
WIND (MPH) 11 13 13 13 13 10 9 9 10 11 13 12 11 6 5 6 6
WIND GUST (MPH) 29 33 32 32 32 28 26 31 33 32 29
PRECIP PROB (%) 80 80 70 60 50 40 30 20 50 50 80 80 40 40 5 5 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.10 0.04 0.02 0.01 0.01 0.05 0.01 0.00
12 HOUR QPF 0.14 0.03 0.06 0.01
LOW END QPF 0.01 0.00 0.03 0.00
HIGH END QPF 0.22 0.08 0.14 0.01
6 HOUR SNOW 1.7 0.6 0.4 0.2 0.2 0.8 0.2 0.0
12 HOUR SNOW 2.3 0.6 1.0 0.2
LOW END SNOW 0.1 0.0 0.3 0.0
HIGH END SNOW 3.1 1.2 1.8 0.2
SNOW LEVEL (KFT) 2.8 2.4 2.6 2.6 2.5 2.3 1.7 1.4 1.9 2.3 3.0 3.3 3.7 3.5 3.4 3.1 2.9
SNOW DENSITY (%) 5 5 5 6 6 5 5 5 5 5 6 7 7 6 6 6 6
..MADISON RANGE/SPANISH PEAKS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK BK OV OV BK BK SC FW FW
CLOUD COVER (%) 100 100 100 100 75 60 65 65 65 65 85 85 60 55 35 20 15
TEMPERATURE 21 20 20 22 20 16 14 12 11 16 23 26 24 20 17 14 12
MAX/MIN TEMP 23 11 26 12
WIND DIR SW W W W NW NW NW NW W W W W W W W SW SW
WIND (MPH) 10 11 11 11 11 9 8 6 6 8 11 11 11 6 4 5 6
WIND GUST (MPH) 33 34 33 29 31 26 31 31 29
PRECIP PROB (%) 100 90 100 100 60 40 20 20 50 50 80 80 20 20 5 5 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.10 0.10 0.03 0.02 0.01 0.04 0.02 0.00
12 HOUR QPF 0.20 0.05 0.05 0.02
LOW END QPF 0.08 0.00 0.02 0.00
HIGH END QPF 0.47 0.08 0.11 0.02
6 HOUR SNOW 1.7 1.7 0.4 0.4 0.2 0.6 0.3 0.0
12 HOUR SNOW 3.4 0.8 0.8 0.3
LOW END SNOW 1.3 0.0 0.3 0.0
HIGH END SNOW 7.5 1.3 1.6 0.3
SNOW LEVEL (KFT) 4.0 3.1 2.8 2.9 2.6 2.2 2.0 1.8 1.8 2.2 2.9 3.4 3.8 3.6 3.4 3.0 2.9
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 5 6 6
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK OV OV OV OV OV OV BK BK SC FW FW
CLOUD COVER (%) 100 100 100 90 80 60 80 75 75 75 90 90 65 60 40 25 15
TEMPERATURE 21 20 21 23 21 17 15 14 13 17 24 27 26 21 18 15 13
MAX/MIN TEMP 24 12 28 13
WIND DIR W W W NW NW NW NW NW W W NW NW W W SW SW SW
WIND (MPH) 8 10 11 11 11 8 8 6 8 9 12 12 10 6 5 6 8
WIND GUST (MPH) 29 28 31 29 27
PRECIP PROB (%) 100 90 90 90 60 40 40 20 60 60 80 80 30 30 5 5 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.10 0.10 0.03 0.05 0.02 0.04 0.02 0.00
12 HOUR QPF 0.20 0.08 0.06 0.02
LOW END QPF 0.08 0.01 0.03 0.00
HIGH END QPF 0.45 0.11 0.15 0.02
6 HOUR SNOW 1.8 1.7 0.5 0.8 0.3 0.6 0.3 0.0
12 HOUR SNOW 3.5 1.3 0.9 0.3
LOW END SNOW 1.4 0.1 0.4 0.0
HIGH END SNOW 7.1 1.8 2.3 0.3
SNOW LEVEL (KFT) 3.8 3.0 2.8 2.8 2.7 2.3 2.2 1.7 1.8 2.2 2.9 3.2 3.7 3.5 3.4 3.0 2.8
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 5 6 6
..LIONHEAD RANGE
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK SC SC BK BK OV OV BK BK SC FW FW
CLOUD COVER (%) 100 100 100 95 80 65 40 30 65 65 85 85 70 50 30 15 10
TEMPERATURE 26 24 26 27 24 19 16 13 11 17 27 30 28 23 18 14 12
MAX/MIN TEMP 29 10 30 12
WIND DIR SW SW SW SW W N NW W SW W W W W W W SW S
WIND (MPH) 17 17 13 12 10 6 5 4 4 5 9 10 10 6 3 3 3
WIND GUST (MPH) 34 35 31
PRECIP PROB (%) 100 80 100 100 70 30 20 10 40 40 80 80 30 30 5 5 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.18 0.14 0.02 0.01 0.01 0.04 0.01 0.00
12 HOUR QPF 0.32 0.03 0.05 0.01
LOW END QPF 0.17 0.00 0.01 0.00
HIGH END QPF 0.44 0.04 0.09 0.01
6 HOUR SNOW 3.1 2.4 0.3 0.2 0.2 0.7 0.2 0.0
12 HOUR SNOW 5.5 0.5 0.9 0.2
LOW END SNOW 2.1 0.0 0.2 0.0
HIGH END SNOW 6.9 0.6 1.2 0.2
SNOW LEVEL (KFT) 4.8 3.7 3.5 3.3 3.1 2.5 1.9 1.6 1.4 2.0 3.0 3.6 3.8 3.7 3.4 3.1 2.8
SNOW DENSITY (%) 6 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6
..TOBACCO ROOT MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK OV BK BK BK OV OV BK SC FW FW FW
CLOUD COVER (%) 100 100 95 85 65 55 70 55 60 60 80 80 60 50 25 15 15
TEMPERATURE 19 19 21 23 22 17 16 15 14 19 25 28 27 22 19 17 16
MAX/MIN TEMP 24 14 29 16
WIND DIR W NW NW W NW NW NW W W W W W NW NW W SW SW
WIND (MPH) 10 12 12 13 14 11 10 9 9 10 12 13 12 8 8 8 9
WIND GUST (MPH) 31 29 27 29
PRECIP PROB (%) 90 90 80 80 50 40 20 20 40 40 70 70 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.06 0.05 0.02 0.01 0.01 0.06 0.01 0.00
12 HOUR QPF 0.11 0.03 0.07 0.01
LOW END QPF 0.02 0.00 0.03 0.00
HIGH END QPF 0.30 0.06 0.11 0.01
6 HOUR SNOW 1.0 0.8 0.3 0.2 0.1 0.9 0.2 0.0
12 HOUR SNOW 1.8 0.5 1.0 0.2
LOW END SNOW 0.3 0.0 0.4 0.0
HIGH END SNOW 4.9 1.1 1.6 0.2
SNOW LEVEL (KFT) 3.0 2.4 2.3 2.4 2.3 2.2 2.1 1.9 2.0 2.4 3.1 3.4 3.8 3.7 3.5 3.2 3.0
SNOW DENSITY (%) 5 5 5 6 5 6 5 5 5 5 6 6 6 6 6 6 6
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK SC SC OV OV BK SC FW FW FW
CLOUD COVER (%) 95 100 100 90 65 50 55 55 50 50 70 70 60 35 20 10 5
TEMPERATURE 21 21 23 25 23 18 17 15 14 19 27 30 28 22 20 17 16
MAX/MIN TEMP 26 14 30 16
WIND DIR SW W NW NW NW NW NW NW NW W NW W NW NW W SW SW
WIND (MPH) 11 13 16 17 17 13 11 10 9 10 14 16 13 8 6 5 5
WIND GUST (MPH) 33 34 32 29
PRECIP PROB (%) 80 80 90 80 40 30 10 5 20 20 60 60 5 5 0 0 0
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.05 0.05 0.01 0.01 0.00 0.03 0.01 0.00
12 HOUR QPF 0.10 0.02 0.03 0.01
LOW END QPF 0.03 0.00 0.01 0.00
HIGH END QPF 0.37 0.04 0.06 0.01
6 HOUR SNOW 0.8 0.8 0.3 0.1 0.0 0.4 0.1 0.0
12 HOUR SNOW 1.6 0.4 0.4 0.1
LOW END SNOW 0.5 0.0 0.1 0.0
HIGH END SNOW 5.6 0.6 0.9 0.1
SNOW LEVEL (KFT) 3.4 2.6 2.4 2.5 2.3 2.2 2.1 2.0 2.1 2.4 3.0 3.5 3.8 3.7 3.5 3.3 3.1
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6
..CENTENNIAL MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK SC SC SC SC OV OV BK SC FW FW FW
CLOUD COVER (%) 95 95 100 95 75 50 30 35 50 50 75 75 60 35 20 10 5
TEMPERATURE 23 22 23 24 22 18 16 14 12 18 25 28 27 22 19 16 15
MAX/MIN TEMP 25 12 29 15
WIND DIR SW SW W W NW NW NW NW NW NW W W W NW NW NW NW
WIND (MPH) 18 18 16 16 17 16 14 13 11 12 14 16 14 11 9 8 6
WIND GUST (MPH) 36 36 33
PRECIP PROB (%) 80 90 90 90 50 30 10 5 30 30 70 70 10 10 0 0 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.06 0.12 0.01 0.00 0.00 0.03 0.01 0.00
12 HOUR QPF 0.18 0.01 0.03 0.01
LOW END QPF 0.08 0.00 0.01 0.00
HIGH END QPF 0.46 0.03 0.07 0.01
6 HOUR SNOW 1.0 2.0 0.2 0.1 0.0 0.5 0.2 0.0
12 HOUR SNOW 3.0 0.3 0.5 0.2
LOW END SNOW 1.3 0.0 0.1 0.0
HIGH END SNOW 6.5 0.5 0.9 0.2
SNOW LEVEL (KFT) 4.1 3.1 2.9 2.9 2.7 2.2 2.0 1.9 1.9 2.3 3.0 3.5 3.9 3.8 3.5 3.3 3.1
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6
..ANACONDA/HIGHLAND RANGES
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK BK BK BK OV OV SC FW FW FW FW
CLOUD COVER (%) 90 80 85 70 60 65 65 55 60 65 75 75 40 25 10 10 10
TEMPERATURE 14 16 21 26 24 19 18 18 18 21 28 30 30 24 20 18 17
MAX/MIN TEMP 26 17 31 17
WIND DIR W NW NW NW NW NW NW NW W W W NW NW NW W SW SW
WIND (MPH) 8 11 12 14 16 11 8 6 6 8 11 12 12 6 4 4 4
WIND GUST (MPH) 25 29 31 33 34 28 28 29
PRECIP PROB (%) 80 70 70 50 30 50 30 20 60 60 70 70 5 5 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.06 0.05 0.05 0.04 0.02 0.04 0.01 0.00
12 HOUR QPF 0.11 0.09 0.06 0.01
LOW END QPF 0.02 0.01 0.00 0.00
HIGH END QPF 0.15 0.11 0.07 0.01
6 HOUR SNOW 1.0 0.8 0.8 0.7 0.3 0.6 0.1 0.0
12 HOUR SNOW 1.8 1.5 0.9 0.1
LOW END SNOW 0.2 0.1 0.0 0.0
HIGH END SNOW 2.3 1.8 1.1 0.1
SNOW LEVEL (KFT) 2.0 1.8 2.0 2.0 2.4 2.3 2.2 2.1 2.3 2.6 3.2 3.6 3.9 3.6 3.4 3.3 3.0
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 7
..PIONEER MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK BK BK BK OV OV SC FW FW FW FW
CLOUD COVER (%) 100 80 90 70 60 55 65 60 70 65 75 75 45 25 10 10 10
TEMPERATURE 12 14 20 23 22 18 17 16 16 20 26 28 28 23 19 17 16
MAX/MIN TEMP 24 16 29 16
WIND DIR W W NW NW NW NW W W W W NW NW NW NW W SW SW
WIND (MPH) 9 12 14 17 18 13 11 10 9 10 13 14 14 9 5 5 5
WIND GUST (MPH) 27 33 35 37 41 36 32 29 28 31 34 34 35 26
PRECIP PROB (%) 80 70 70 50 40 30 20 5 50 50 70 70 10 10 0 0 0
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.04 0.04 0.02 0.01 0.01 0.03 0.00 0.00
12 HOUR QPF 0.08 0.03 0.04 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.14 0.05 0.07 0.00
6 HOUR SNOW 0.7 0.6 0.3 0.2 0.2 0.5 0.1 0.0
12 HOUR SNOW 1.3 0.5 0.7 0.1
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 2.2 0.8 1.0 0.1
SNOW LEVEL (KFT) 2.1 1.8 2.0 2.0 2.3 2.3 2.1 2.0 2.3 2.5 3.2 3.6 3.9 3.6 3.4 3.3 3.1
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6
..BEAVERHEAD/TENDOY MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK SC BK BK BK BK BK BK SC FW FW FW FW
CLOUD COVER (%) 85 80 90 75 55 45 60 60 55 50 65 65 40 25 15 10 5
TEMPERATURE 15 16 20 23 22 17 17 16 15 19 26 29 28 22 19 18 17
MAX/MIN TEMP 24 15 30 17
WIND DIR W W NW NW NW NW NW NW NW W NW NW NW NW W SW SW
WIND (MPH) 12 17 18 19 20 17 14 12 11 13 14 16 14 10 6 6 5
WIND GUST (MPH) 29 36 39 37 41 41 40 37 33 33 34 32
PRECIP PROB (%) 60 70 70 60 30 20 10 5 20 20 50 50 5 5 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.05 0.05 0.02 0.01 0.00 0.02 0.00 0.00
12 HOUR QPF 0.10 0.03 0.02 0.00
LOW END QPF 0.02 0.00 0.00 0.00
HIGH END QPF 0.19 0.04 0.04 0.00
6 HOUR SNOW 0.8 0.8 0.3 0.2 0.1 0.3 0.0 0.0
12 HOUR SNOW 1.6 0.5 0.4 0.0
LOW END SNOW 0.4 0.0 0.0 0.0
HIGH END SNOW 2.8 0.7 0.6 0.0
SNOW LEVEL (KFT) 2.6 1.9 2.1 2.2 2.3 2.3 2.2 2.1 2.2 2.5 3.1 3.5 3.9 3.8 3.6 3.4 3.2
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 SC BK OV BK BK OV OV OV OV BK SC SC
CLOUD COVER (%) 100 100 95 100 85 50 60 75 65 65 90 90 70 70 50 50 30
TEMPERATURE 22 21 22 23 19 13 11 9 7 12 19 22 21 15 14 12 10
MAX/MIN TEMP 24 7 22 10
WIND DIR SW SW SW SW NW NW NW W W W NW W W W W W SW
WIND (MPH) 13 16 16 16 12 8 6 6 8 9 13 13 11 8 5 5 6
WIND GUST (MPH) 34 36 36 34 29 32 32 29
PRECIP PROB (%) 100 100 90 100 70 20 30 30 40 40 90 90 60 60 10 10 5
PRECIP TYPE
6 HOUR QPF 0.14 0.17 0.03 0.01 0.01 0.04 0.02 0.01
12 HOUR QPF 0.31 0.04 0.05 0.03
LOW END QPF 0.14 0.00 0.03 0.00
HIGH END QPF 0.38 0.06 0.11 0.03
6 HOUR SNOW 2.4 3.0 0.5 0.2 0.2 0.6 0.4 0.1
12 HOUR SNOW 5.4 0.7 0.8 0.5
LOW END SNOW 2.1 0.0 0.4 0.0
HIGH END SNOW 5.9 1.0 1.8 0.5
SNOW LEVEL (KFT) 5.4 4.3 3.9 3.8 3.0 2.2 1.8 1.5 1.4 1.8 2.6 3.0 3.4 3.2 3.2 2.9 2.8
SNOW DENSITY (%) 5 5 5 5 6 5 5 5 5 5 6 6 6 6 5 5 5
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK BK OV OV OV OV SC SC FW
CLOUD COVER (%) 100 100 95 95 85 60 60 65 65 65 90 90 75 70 45 30 20
TEMPERATURE 23 23 23 24 21 16 14 12 11 17 23 25 24 19 17 16 14
MAX/MIN TEMP 26 11 26 14
WIND DIR W W W W NW W W W W W NW NW NW W W SW SW
WIND (MPH) 14 17 18 17 16 12 10 11 13 14 18 18 16 11 10 12 13
WIND GUST (MPH) 48 52 52 51 47 39 33 31 34 40 47 42 41 28 27 31 34
PRECIP PROB (%) 90 80 90 90 70 30 30 30 50 50 90 90 60 60 10 10 5
PRECIP TYPE
6 HOUR QPF 0.12 0.15 0.03 0.01 0.01 0.03 0.03 0.01
12 HOUR QPF 0.27 0.04 0.04 0.04
LOW END QPF 0.10 0.00 0.02 0.00
HIGH END QPF 0.42 0.06 0.12 0.04
6 HOUR SNOW 2.0 2.6 0.5 0.3 0.2 0.5 0.5 0.1
12 HOUR SNOW 4.6 0.8 0.7 0.6
LOW END SNOW 1.6 0.0 0.3 0.0
HIGH END SNOW 6.4 1.1 1.7 0.7
SNOW LEVEL (KFT) 4.9 4.0 3.7 3.4 3.0 2.3 1.9 1.6 1.4 1.8 2.6 3.0 3.5 3.4 3.2 3.0 2.9
SNOW DENSITY (%) 6 5 5 5 5 5 5 5 5 6 6 7 6 6 6 6 6
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK BK BK BK BK OV OV BK BK SC SC FW
CLOUD COVER (%) 100 100 95 95 80 60 60 65 65 65 85 85 65 60 40 30 20
TEMPERATURE 24 23 24 26 23 17 15 13 11 16 24 27 26 20 17 14 12
MAX/MIN TEMP 27 11 28 12
WIND DIR SW W W W NW NW NW NW W W NW W W W W SW SW
WIND (MPH) 12 13 13 13 11 8 6 6 6 8 11 12 11 6 4 5 6
WIND GUST (MPH) 44 49 49 48 43 35 29 28 29 33 40 40 39 27 23 26 29
PRECIP PROB (%) 100 90 80 90 60 20 30 20 40 40 80 80 30 30 5 5 5
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.10 0.12 0.03 0.02 0.01 0.03 0.02 0.00
12 HOUR QPF 0.22 0.05 0.04 0.02
LOW END QPF 0.10 0.00 0.02 0.00
HIGH END QPF 0.40 0.07 0.12 0.02
6 HOUR SNOW 1.8 2.0 0.5 0.3 0.1 0.5 0.3 0.0
12 HOUR SNOW 3.8 0.8 0.6 0.3
LOW END SNOW 1.4 0.0 0.3 0.0
HIGH END SNOW 6.3 1.2 1.8 0.3
SNOW LEVEL (KFT) 4.8 3.8 3.5 3.3 2.9 2.3 1.9 1.6 1.5 2.0 2.8 3.2 3.6 3.5 3.3 2.9 2.8
SNOW DENSITY (%) 6 5 5 5 5 5 5 5 5 5 6 6 6 6 6 5 6
..CRAZY MOUNTAINS
DATE THURSDAY 04/16/26 FRIDAY 04/17/26
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 BK SC BK BK BK BK OV OV OV BK SC FW FW
CLOUD COVER (%) 75 70 95 80 65 50 55 55 70 65 90 90 75 60 35 25 15
TEMPERATURE 23 22 25 27 25 21 18 17 17 22 27 30 28 23 21 20 19
MAX/MIN TEMP 27 16 30 19
WIND DIR W W W NW NW NW NW W W W W W NW NW W W W
WIND (MPH) 19 20 19 18 18 14 13 14 16 19 20 18 16 10 10 12 13
WIND GUST (MPH) 44 46 42 41 41 35 34 36 40 44 46 41 36 28 27 31 33
PRECIP PROB (%) 40 50 80 50 50 30 20 10 50 50 80 80 40 40 5 5 5
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.03 0.02 0.02 0.01 0.02 0.06 0.02 0.00
12 HOUR QPF 0.05 0.03 0.08 0.02
LOW END QPF 0.00 0.00 0.02 0.00
HIGH END QPF 0.23 0.05 0.12 0.02
6 HOUR SNOW 0.6 0.4 0.4 0.2 0.3 1.0 0.2 0.0
12 HOUR SNOW 1.0 0.6 1.3 0.2
LOW END SNOW 0.0 0.0 0.2 0.0
HIGH END SNOW 3.1 0.9 1.7 0.3
SNOW LEVEL (KFT) 3.2 2.5 2.6 2.6 2.5 2.4 1.5 1.2 1.8 2.1 2.9 3.2 3.5 3.4 3.3 3.1 3.0
SNOW DENSITY (%) 6 5 5 6 6 5 5 5 5 6 6 7 6 6 6 6 6
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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