815
FWUS45 KTFX 251001
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT SAT APR 25 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 OV OV BK OV OV OV OV OV OV BK BK BK
CLOUD COVER (%) 80 80 75 75 80 80 80 70 85 80 80 80 75 80 65 55 50
TEMPERATURE 11 15 19 24 24 21 18 16 16 17 20 23 23 20 19 16 14
MAX/MIN TEMP 26 15 24 14
WIND DIR N N N N NE E E SE E E E E E E E E E
WIND (MPH) 8 9 8 9 10 10 10 9 9 11 13 13 13 11 9 6 6
WIND GUST (MPH)
PRECIP PROB (%) 20 20 20 40 40 30 20 30 50 50 40 40 20 20 20 20 20
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.02 0.02 0.00 0.02 0.02 0.02 0.00
12 HOUR QPF 0.03 0.02 0.04 0.02
LOW END QPF 0.01 0.01 0.01 0.00
HIGH END QPF 0.08 0.12 0.09 0.05
6 HOUR SNOW 0.1 0.4 0.3 0.0 0.3 0.4 0.4 0.0
12 HOUR SNOW 0.5 0.3 0.7 0.4
LOW END SNOW 0.1 0.1 0.1 0.0
HIGH END SNOW 1.3 2.1 1.4 0.8
SNOW LEVEL (KFT) 0.3 0.4 1.0 1.8 2.1 1.6 1.1 0.8 0.7 0.9 1.5 2.1 2.4 2.0 1.5 0.9 0.9
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 OV BK OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 75 75 75 75 75 70 70 70 85 80 80 80 75 85 80 70 70
TEMPERATURE 10 14 21 25 26 21 18 15 14 17 21 24 23 20 19 17 16
MAX/MIN TEMP 27 14 24 16
WIND DIR N N NE E E E E E E E E E E NE NE NE E
WIND (MPH) 5 5 6 8 8 9 10 9 9 10 12 12 12 10 9 8 6
WIND GUST (MPH) 28 27 27 28 29 31 31 28 26
PRECIP PROB (%) 40 30 40 50 40 10 20 20 60 60 70 70 40 40 30 30 40
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.05 0.01 0.00 0.02 0.02 0.02 0.01
12 HOUR QPF 0.06 0.01 0.04 0.03
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.12 0.07 0.07 0.05
6 HOUR SNOW 0.3 1.0 0.3 0.0 0.5 0.4 0.4 0.1
12 HOUR SNOW 1.3 0.3 0.9 0.5
LOW END SNOW 0.1 0.1 0.1 0.0
HIGH END SNOW 2.1 1.2 1.2 0.8
SNOW LEVEL (KFT) 0.9 1.0 1.8 2.5 2.8 2.1 1.4 0.8 0.7 1.0 1.8 2.7 3.0 2.6 2.2 1.6 1.4
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6
..NEVADA MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 BK BK SC BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 85 80 65 65 65 50 60 75 90 85 80 75 75 85 85 80 80
TEMPERATURE 14 18 23 29 30 24 21 19 19 20 23 26 27 24 23 22 21
MAX/MIN TEMP 31 18 28 20
WIND DIR NE NE E NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND (MPH) 4 5 6 8 9 10 12 12 12 13 13 14 14 13 11 9 6
WIND GUST (MPH)
PRECIP PROB (%) 40 40 40 50 30 10 30 20 70 70 60 60 50 50 40 40 50
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.02 0.01 0.00 0.03 0.01 0.01 0.01
12 HOUR QPF 0.04 0.01 0.04 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.08 0.06 0.05
6 HOUR SNOW 0.4 0.4 0.1 0.0 0.5 0.2 0.2 0.2
12 HOUR SNOW 0.8 0.1 0.7 0.4
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.0 1.4 1.0 0.6
SNOW LEVEL (KFT) 1.2 1.4 2.1 2.8 3.1 2.3 1.5 1.2 1.0 1.4 2.2 3.2 3.4 3.0 2.6 2.1 1.9
SNOW DENSITY (%) 5 5 5 6 6 6 5 5 5 5 5 6 7 6 6 6 6
..ELKHORN/BOULDER MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 BK OV OV BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 65 65 70 65 80 75 65 85 75 75 75 75 85 90 85 90
TEMPERATURE 12 17 25 30 31 25 23 21 19 21 26 30 29 24 23 22 22
MAX/MIN TEMP 32 19 31 21
WIND DIR W W SE N NE NE NE NE NE NE NE NE NE N N N NE
WIND (MPH) 4 5 6 8 9 9 10 9 9 10 11 12 13 12 9 6 5
WIND GUST (MPH) 27 27 28 32 35 33
PRECIP PROB (%) 10 10 20 30 30 5 20 20 60 60 50 50 50 50 40 40 60
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.03 0.00 0.00 0.02 0.01 0.02 0.01
12 HOUR QPF 0.03 0.00 0.03 0.03
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.08 0.06 0.08
6 HOUR SNOW 0.0 0.5 0.1 0.0 0.3 0.2 0.3 0.1
12 HOUR SNOW 0.5 0.1 0.5 0.4
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.9 1.2 0.8 1.1
SNOW LEVEL (KFT) 1.7 2.0 2.8 3.6 4.0 3.3 2.9 2.6 2.2 2.5 3.4 4.3 4.6 4.1 3.6 3.1 2.9
SNOW DENSITY (%) 5 5 5 6 6 6 6 5 5 5 6 7 7 7 6 6 6
..BIG BELT MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 BK SC BK OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 75 75 60 55 50 55 70 70 85 80 80 80 80 85 80 80 80
TEMPERATURE 14 18 24 30 32 26 23 22 21 22 26 30 30 26 25 24 23
MAX/MIN TEMP 32 20 31 22
WIND DIR NW NW NW N N NE NE NE NE NE NE NE NE NE NE NE NE
WIND (MPH) 4 5 6 8 9 10 10 9 9 10 11 13 14 12 9 6 6
WIND GUST (MPH) 27 26 26 27 32 31
PRECIP PROB (%) 30 20 30 20 20 10 20 30 70 70 70 70 50 50 50 50 60
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.00 0.00 0.00 0.02 0.02 0.01 0.01
12 HOUR QPF 0.01 0.00 0.04 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.02 0.08 0.08 0.06
6 HOUR SNOW 0.2 0.1 0.0 0.0 0.4 0.3 0.2 0.1
12 HOUR SNOW 0.3 0.0 0.7 0.3
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 1.2 1.0 0.8
SNOW LEVEL (KFT) 1.2 1.3 2.0 2.7 3.1 2.5 2.1 1.8 1.6 1.8 2.8 3.8 4.0 3.6 3.1 2.7 2.5
SNOW DENSITY (%) 5 5 5 6 7 6 6 5 5 5 6 7 8 7 7 6 6
..LITTLE BELT MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 65 70 65 55 60 75 85 85 85 85 85 85 85 80 75 80
TEMPERATURE 11 16 23 28 29 22 19 18 18 20 26 28 27 23 21 20 19
MAX/MIN TEMP 31 17 29 18
WIND DIR W NW NW NW NW NE E E E E E NE NE NE E E E
WIND (MPH) 6 8 9 9 8 6 6 5 5 6 10 11 11 8 5 4 4
WIND GUST (MPH) 25
PRECIP PROB (%) 40 30 30 30 30 20 40 20 80 80 80 80 60 60 50 50 70
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.01 0.00 0.00 0.03 0.04 0.02 0.01
12 HOUR QPF 0.02 0.00 0.07 0.03
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.03 0.08 0.15 0.06
6 HOUR SNOW 0.2 0.1 0.0 0.1 0.6 0.6 0.3 0.2
12 HOUR SNOW 0.3 0.1 1.2 0.5
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 0.5 1.4 2.1 0.9
SNOW LEVEL (KFT) 0.6 0.9 1.6 2.3 2.7 2.0 1.7 1.6 1.5 1.8 2.6 3.6 3.7 3.3 2.9 2.6 2.4
SNOW DENSITY (%) 5 5 5 5 6 5 5 5 5 5 5 6 6 6 6 6 6
..HIGHWOOD MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 85 75 80 60 45 35 55 80 95 80 85 80 75 85 75 75 75
TEMPERATURE 15 18 22 28 29 23 20 20 20 22 25 28 28 26 24 23 22
MAX/MIN TEMP 31 19 29 22
WIND DIR W W NW NW NW N E E E E E E NE NE E E E
WIND (MPH) 14 16 14 12 10 10 9 9 10 12 14 13 13 11 9 8 8
WIND GUST (MPH)
PRECIP PROB (%) 40 30 20 30 10 20 30 20 70 70 70 70 50 50 40 40 50
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.05 0.00 0.00 0.00 0.01 0.02 0.01 0.01
12 HOUR QPF 0.05 0.00 0.03 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.08 0.08 0.11 0.04
6 HOUR SNOW 0.9 0.1 0.0 0.0 0.2 0.3 0.1 0.2
12 HOUR SNOW 1.0 0.0 0.5 0.3
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.3 1.2 1.3 0.5
SNOW LEVEL (KFT) 0.5 0.5 1.0 1.6 1.7 1.2 0.8 0.7 0.6 0.9 1.7 2.7 2.9 2.8 2.4 2.1 1.8
SNOW DENSITY (%) 5 5 5 5 6 5 5 5 5 5 5 7 7 7 6 6 6
..SNOWY/JUDITH MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 70 75 65 60 70 80 90 90 85 85 90 90 90 85 85 85
TEMPERATURE 16 20 26 30 31 24 22 21 20 23 28 30 28 25 24 23 22
MAX/MIN TEMP 33 19 31 21
WIND DIR NW NW NW NW NW N SE SE E E E NE NE NE NE NE E
WIND (MPH) 13 16 13 11 9 6 6 5 6 9 11 11 11 9 6 5 5
WIND GUST (MPH) 39 41 33 29 26 26 28
PRECIP PROB (%) 10 10 10 10 20 20 20 20 70 70 70 70 60 60 50 50 60
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.03 0.04 0.02 0.02
12 HOUR QPF 0.00 0.00 0.07 0.04
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.02 0.07 0.15 0.08
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.5 0.6 0.2 0.2
12 HOUR SNOW 0.0 0.0 1.1 0.4
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 1.1 2.0 1.1
SNOW LEVEL (KFT) 0.4 0.6 1.2 1.9 2.1 1.6 1.3 1.3 1.2 1.4 2.1 3.0 3.2 3.1 2.8 2.4 2.1
SNOW DENSITY (%) 5 5 5 6 6 6 5 5 5 5 6 7 7 7 7 7 6
..BEARS PAW MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 OV OV BK OV OV OV OV OV OV OV BK BK
CLOUD COVER (%) 90 85 80 85 65 85 70 60 80 85 80 80 80 85 70 60 65
TEMPERATURE 13 16 21 26 27 20 18 18 19 23 27 30 30 26 24 21 20
MAX/MIN TEMP 29 17 32 19
WIND DIR NW NW NW NW NW NW NW NW N NE NE NE NE NE NE E E
WIND (MPH) 17 19 17 16 12 5 3 3 5 6 9 10 10 8 6 6 5
WIND GUST (MPH)
PRECIP PROB (%) 40 30 10 20 5 5 10 10 30 30 40 40 20 20 10 10 20
PRECIP TYPE S S S S S S S S 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 0.03 0.03 0.02
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 0.8 0.4 0.3 0.2
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.5 0.7 0.3 0.2 0.2 0.3 0.5 1.0 2.0 2.4 2.2 1.7 1.3 1.0
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 5 7 7 7 6 6 6
..CASTLE/CRAZY MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 OV BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 60 60 65 55 65 75 65 80 80 80 85 85 85 80 85 85
TEMPERATURE 13 18 25 31 33 26 23 22 20 22 27 30 29 25 23 22 22
MAX/MIN TEMP 34 19 31 22
WIND DIR W W W W NW E E E E E E E E E E E E
WIND (MPH) 6 8 9 9 9 12 13 12 11 12 13 13 13 12 10 8 6
WIND GUST (MPH) 26 27 27 32 35 31 31 32 33 33 31 27
PRECIP PROB (%) 10 20 20 20 20 10 20 20 60 60 60 60 50 50 50 50 70
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.02 0.01 0.01
12 HOUR QPF 0.00 0.00 0.04 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.02 0.07 0.10 0.10
6 HOUR SNOW 0.0 0.0 0.0 0.1 0.4 0.3 0.2 0.2
12 HOUR SNOW 0.0 0.1 0.7 0.4
LOW END SNOW 0.0 0.0 0.0 0.1
HIGH END SNOW 0.2 1.0 1.2 1.3
SNOW LEVEL (KFT) 1.0 1.3 2.3 3.1 3.5 2.7 2.3 2.0 1.7 2.0 2.9 3.9 4.1 3.8 3.5 3.1 3.0
SNOW DENSITY (%) 5 5 5 6 7 6 5 5 5 5 6 7 7 6 6 6 6
..BRIDGER RANGE
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK BK SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 65 55 50 40 70 60 45 75 80 75 80 80 80 85 90 90
TEMPERATURE 13 18 25 32 34 28 25 22 20 22 28 32 30 26 24 24 23
MAX/MIN TEMP 35 20 33 23
WIND DIR NW NW W NW N NE E E SE E E E E E E E E
WIND (MPH) 4 4 6 6 5 10 13 12 10 10 9 10 11 10 9 6 5
WIND GUST (MPH) 27 36 34 31 28 29 28 27 24
PRECIP PROB (%) 10 10 20 20 10 10 20 20 60 60 60 60 50 50 70 70 80
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.02 0.01 0.02
12 HOUR QPF 0.00 0.00 0.03 0.03
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.01 0.05 0.07 0.09
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 0.2 0.2 0.3
12 HOUR SNOW 0.0 0.0 0.4 0.5
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.2 0.7 0.7 1.2
SNOW LEVEL (KFT) 1.6 1.9 2.8 3.5 4.0 3.4 2.9 2.4 1.8 2.2 3.3 4.4 4.5 4.1 3.7 3.4 3.2
SNOW DENSITY (%) 5 5 5 7 8 6 6 6 6 6 6 8 8 7 7 7 7
..MADISON RANGE/SPANISH PEAKS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC FW SC BK BK SC SC SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 30 20 50 55 60 45 30 50 80 75 75 75 75 75 85 80 80
TEMPERATURE 3 12 22 28 30 24 21 20 19 24 30 32 30 25 23 21 20
MAX/MIN TEMP 31 18 33 20
WIND DIR W SW W SW SW S S S SE NE N N N NE NE NE NE
WIND (MPH) 3 3 6 8 8 5 6 5 5 5 8 10 11 9 6 5 4
WIND GUST (MPH) 28
PRECIP PROB (%) 0 0 5 10 10 5 10 10 60 60 70 70 60 60 50 50 70
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.03 0.03 0.03
12 HOUR QPF 0.00 0.00 0.04 0.06
LOW END QPF 0.00 0.00 0.01 0.01
HIGH END QPF 0.04 0.08 0.10 0.13
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 0.3 0.3 0.5
12 HOUR SNOW 0.0 0.0 0.5 0.8
LOW END SNOW 0.0 0.0 0.1 0.2
HIGH END SNOW 0.6 1.1 1.3 1.8
SNOW LEVEL (KFT) 1.9 2.4 3.3 4.3 4.8 4.6 4.2 3.9 3.9 4.5 5.3 5.9 6.0 5.4 4.8 4.4 4.1
SNOW DENSITY (%) 5 5 5 6 6 6 6 6 6 6 7 8 8 7 7 7 6
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK BK OV BK SC SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 50 35 55 65 70 55 35 40 85 80 80 80 75 80 90 90 85
TEMPERATURE 5 13 24 29 30 24 21 19 19 22 28 30 29 23 21 20 19
MAX/MIN TEMP 31 18 31 19
WIND DIR SW SW W W W E SE SE SE NE NE N NE NE NE NE NE
WIND (MPH) 3 3 6 8 6 5 6 5 5 5 9 11 11 8 6 4 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 10 20 5 10 10 60 60 60 60 60 60 60 60 80
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.01 0.02 0.01 0.04
12 HOUR QPF 0.00 0.01 0.03 0.05
LOW END QPF 0.00 0.00 0.01 0.01
HIGH END QPF 0.06 0.07 0.08 0.13
6 HOUR SNOW 0.0 0.1 0.1 0.0 0.2 0.3 0.1 0.6
12 HOUR SNOW 0.1 0.1 0.5 0.7
LOW END SNOW 0.0 0.0 0.1 0.2
HIGH END SNOW 0.8 1.0 1.1 1.9
SNOW LEVEL (KFT) 1.9 2.4 3.3 4.3 4.9 4.5 4.0 3.6 3.3 3.9 4.7 5.3 5.4 4.7 4.2 4.0 3.8
SNOW DENSITY (%) 5 5 5 6 6 6 6 6 6 6 7 7 7 7 7 6 6
..LIONHEAD RANGE
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 FW FW SC SC SC FW SC OV OV OV OV OV OV OV OV BK OV
CLOUD COVER (%) 15 10 30 45 30 15 30 70 90 80 80 80 75 80 70 60 70
TEMPERATURE 7 17 29 34 36 27 24 23 23 29 37 39 38 31 27 24 22
MAX/MIN TEMP 37 21 40 21
WIND DIR NE N SW SW SW S SE NE E NE N NW N NE NE NE E
WIND (MPH) 2 3 5 8 8 4 5 4 4 3 4 5 6 5 4 4 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 10 10 10 10 5 10 60 60 70 70 60 60 40 40 60
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.03 0.04 0.02
12 HOUR QPF 0.00 0.00 0.04 0.06
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.02 0.08 0.16 0.10
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 0.0 0.3 0.2
12 HOUR SNOW 0.0 0.0 0.2 0.5
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.8 1.2 1.3
SNOW LEVEL (KFT) 2.0 2.6 3.5 4.4 4.9 4.6 4.3 4.3 4.8 5.5 6.4 6.9 6.9 6.3 5.7 5.1 4.7
SNOW DENSITY (%) 5 5 5 7 9 9 8 7 7 8 11 16 14 11 8 8 7
..TOBACCO ROOT MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC SC SC BK OV BK SC OV OV BK BK OV OV OV OV OV
CLOUD COVER (%) 50 40 50 40 60 75 60 45 75 70 70 70 75 80 85 85 90
TEMPERATURE 9 16 24 30 31 25 23 21 19 22 27 31 30 25 23 21 21
MAX/MIN TEMP 32 18 32 21
WIND DIR W W W SW W E NE E E NE NE NE NE NE NE NE NE
WIND (MPH) 4 5 8 9 9 10 10 9 8 9 11 12 13 13 11 9 5
WIND GUST (MPH)
PRECIP PROB (%) 5 0 20 20 10 20 20 10 50 50 50 50 60 60 60 60 60
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.02 0.02 0.02 0.05
12 HOUR QPF 0.00 0.01 0.04 0.07
LOW END QPF 0.00 0.00 0.01 0.01
HIGH END QPF 0.03 0.07 0.11 0.15
6 HOUR SNOW 0.0 0.0 0.2 0.0 0.3 0.2 0.3 0.7
12 HOUR SNOW 0.0 0.2 0.5 1.0
LOW END SNOW 0.0 0.0 0.1 0.1
HIGH END SNOW 0.4 1.1 1.4 2.2
SNOW LEVEL (KFT) 2.1 2.5 3.2 4.0 4.6 4.1 3.9 3.5 3.2 3.4 4.2 5.1 5.3 4.8 4.3 3.8 3.6
SNOW DENSITY (%) 5 5 5 6 7 6 6 5 6 6 6 8 8 7 7 6 6
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 FW SC BK BK BK BK SC SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 25 35 55 60 60 60 30 45 75 70 70 70 70 75 80 80 80
TEMPERATURE 9 17 27 33 34 28 24 23 22 26 33 37 36 29 26 25 23
MAX/MIN TEMP 35 21 38 23
WIND DIR SW S SW SW SW E E E NE N N N N N N N NE
WIND (MPH) 3 3 8 10 10 6 6 5 4 5 9 12 12 11 9 6 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 20 10 5 10 10 50 50 60 60 60 60 50 50 50
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.01 0.03 0.03
12 HOUR QPF 0.00 0.00 0.02 0.06
LOW END QPF 0.00 0.00 0.01 0.01
HIGH END QPF 0.03 0.07 0.10 0.13
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.1 0.1 0.3 0.5
12 HOUR SNOW 0.0 0.0 0.2 0.8
LOW END SNOW 0.0 0.0 0.1 0.2
HIGH END SNOW 0.3 0.8 1.0 1.7
SNOW LEVEL (KFT) 2.2 2.6 3.4 4.4 4.9 4.8 4.3 4.0 3.9 4.2 5.2 6.0 6.1 5.6 5.0 4.6 4.2
SNOW DENSITY (%) 5 5 5 6 7 7 7 6 6 7 8 10 11 9 7 7 7
..CENTENNIAL MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 FW SC BK BK SC SC SC BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 20 25 60 55 40 40 30 70 85 75 80 80 75 80 75 70 70
TEMPERATURE 10 16 26 32 34 28 25 24 24 28 34 38 36 31 28 26 24
MAX/MIN TEMP 34 23 38 24
WIND DIR N NW SW SW SW S SE SE E NE N N N N N N N
WIND (MPH) 5 5 10 12 12 8 9 8 8 6 8 10 10 11 11 9 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 10 10 10 5 5 10 50 50 70 70 60 60 50 50 50
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.02 0.06 0.02
12 HOUR QPF 0.00 0.00 0.03 0.08
LOW END QPF 0.00 0.00 0.01 0.01
HIGH END QPF 0.01 0.07 0.16 0.13
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.1 0.1 0.5 0.3
12 HOUR SNOW 0.0 0.0 0.2 0.8
LOW END SNOW 0.0 0.0 0.1 0.1
HIGH END SNOW 0.1 0.8 1.3 1.5
SNOW LEVEL (KFT) 2.3 2.7 3.6 4.3 4.7 4.6 4.3 4.3 4.5 5.0 5.9 6.5 6.6 6.2 5.6 5.1 4.7
SNOW DENSITY (%) 5 5 5 7 8 8 7 7 7 7 9 12 12 10 8 7 7
..ANACONDA/HIGHLAND RANGES
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC SC BK BK BK BK BK OV BK OV OV OV OV OV OV OV
CLOUD COVER (%) 45 35 50 55 65 60 65 65 75 70 70 70 70 75 80 80 85
TEMPERATURE 7 15 25 32 34 27 24 22 21 24 31 35 33 28 26 24 23
MAX/MIN TEMP 34 20 35 23
WIND DIR W S SW W NW NE NE NE E NE N N N NE NE NE NE
WIND (MPH) 3 3 5 5 5 6 8 6 5 5 8 10 10 10 8 5 4
WIND GUST (MPH) 26 23 27 28 29 28 23
PRECIP PROB (%) 0 0 10 20 30 10 10 20 40 40 60 60 50 50 40 40 50
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.02 0.00 0.01 0.04 0.02 0.02
12 HOUR QPF 0.01 0.02 0.05 0.04
LOW END QPF 0.00 0.00 0.02 0.01
HIGH END QPF 0.06 0.07 0.13 0.11
6 HOUR SNOW 0.0 0.1 0.2 0.0 0.2 0.5 0.3 0.3
12 HOUR SNOW 0.1 0.2 0.7 0.6
LOW END SNOW 0.0 0.0 0.1 0.1
HIGH END SNOW 0.8 1.1 1.5 1.4
SNOW LEVEL (KFT) 2.3 2.6 3.4 4.3 4.8 4.5 3.9 3.6 3.4 3.7 4.7 5.4 5.5 5.1 4.5 3.9 3.7
SNOW DENSITY (%) 5 5 5 7 7 6 6 5 6 6 6 9 9 7 7 7 6
..PIONEER MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK BK BK OV BK BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 40 35 60 60 65 70 60 60 75 70 75 75 75 80 85 85 85
TEMPERATURE 7 15 24 30 32 27 24 21 20 23 31 34 32 27 25 23 22
MAX/MIN TEMP 33 19 34 22
WIND DIR SW SW SW SW SW E E E E NE NE NE NE NE NE NE NE
WIND (MPH) 3 4 6 8 6 5 6 4 4 5 8 9 10 10 8 5 3
WIND GUST (MPH) 27 25
PRECIP PROB (%) 0 0 20 20 20 20 10 20 50 50 60 60 60 60 50 50 60
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.03 0.00 0.02 0.04 0.05 0.03
12 HOUR QPF 0.01 0.03 0.06 0.08
LOW END QPF 0.00 0.00 0.02 0.01
HIGH END QPF 0.08 0.07 0.15 0.12
6 HOUR SNOW 0.0 0.1 0.4 0.0 0.3 0.5 0.6 0.4
12 HOUR SNOW 0.1 0.4 0.8 1.0
LOW END SNOW 0.0 0.0 0.2 0.2
HIGH END SNOW 1.1 1.0 1.8 1.6
SNOW LEVEL (KFT) 2.2 2.6 3.4 4.4 4.9 4.8 4.3 3.9 3.6 4.0 4.8 5.5 5.8 5.4 4.8 4.2 3.9
SNOW DENSITY (%) 5 5 5 6 7 6 5 6 6 6 6 8 8 7 6 7 6
..BEAVERHEAD/TENDOY MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK BK BK BK SC BK OV BK OV OV OV OV OV OV OV
CLOUD COVER (%) 30 40 60 55 55 55 50 55 75 65 70 70 75 75 80 80 75
TEMPERATURE 10 18 27 32 34 27 25 23 22 25 34 37 36 29 27 25 23
MAX/MIN TEMP 35 21 38 23
WIND DIR SW S SW SW SW NE E E NE NE N N N N N N N
WIND (MPH) 3 4 9 10 9 6 8 6 5 5 8 10 12 12 11 8 6
WIND GUST (MPH) 26 28 26
PRECIP PROB (%) 0 0 10 10 10 10 10 20 40 40 60 60 60 60 40 40 50
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.01 0.02 0.06 0.05
12 HOUR QPF 0.00 0.01 0.03 0.11
LOW END QPF 0.00 0.00 0.01 0.01
HIGH END QPF 0.05 0.06 0.17 0.15
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.1 0.3 0.6 0.7
12 HOUR SNOW 0.0 0.1 0.4 1.3
LOW END SNOW 0.0 0.0 0.1 0.1
HIGH END SNOW 0.6 0.8 1.9 1.9
SNOW LEVEL (KFT) 2.4 2.8 3.7 4.5 5.1 5.0 4.6 4.2 3.9 4.3 5.2 6.0 6.2 5.9 5.3 4.7 4.4
SNOW DENSITY (%) 5 5 5 6 7 7 6 6 6 6 7 10 10 8 7 7 7
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK BK BK BK SC SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 40 30 65 60 70 50 30 45 75 75 90 90 90 90 85 85 80
TEMPERATURE -3 7 19 25 26 20 16 15 16 23 28 29 26 19 18 17 16
MAX/MIN TEMP 27 14 29 16
WIND DIR W SW W SW SW SW SE SE SE E E N NE NE NE NE E
WIND (MPH) 3 4 8 9 8 5 6 5 5 4 6 9 9 8 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 30 30 5 10 10 60 60 90 90 90 90 60 60 70
PRECIP TYPE
6 HOUR QPF 0.00 0.01 0.01 0.00 0.02 0.07 0.02 0.03
12 HOUR QPF 0.01 0.01 0.09 0.05
LOW END QPF 0.00 0.00 0.03 0.01
HIGH END QPF 0.06 0.08 0.16 0.09
6 HOUR SNOW 0.0 0.2 0.1 0.0 0.3 1.0 0.4 0.5
12 HOUR SNOW 0.2 0.1 1.3 0.9
LOW END SNOW 0.0 0.0 0.4 0.1
HIGH END SNOW 1.1 1.1 2.2 1.3
SNOW LEVEL (KFT) 1.7 2.2 3.3 4.3 5.0 4.6 4.1 4.2 4.6 5.2 6.0 5.9 5.6 4.9 4.5 4.3 4.3
SNOW DENSITY (%) 5 5 5 5 5 5 5 6 6 6 6 7 7 7 6 6 6
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC SC BK BK OV OV SC SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 45 30 65 70 75 70 50 50 80 85 90 90 90 90 90 90 85
TEMPERATURE 3 12 21 26 27 21 18 17 16 21 24 25 23 19 18 18 17
MAX/MIN TEMP 28 15 26 16
WIND DIR W W W W NW SE SE S S NE NE NE NE NE NE NE NE
WIND (MPH) 6 6 10 10 10 8 9 8 6 9 13 14 13 10 9 6 6
WIND GUST (MPH) 29 29 28 29 25 26 37 41 41 35 29 25
PRECIP PROB (%) 0 5 10 30 30 10 10 10 60 60 80 80 90 90 70 70 80
PRECIP TYPE
6 HOUR QPF 0.00 0.04 0.04 0.00 0.02 0.05 0.03 0.03
12 HOUR QPF 0.04 0.04 0.07 0.06
LOW END QPF 0.00 0.00 0.03 0.02
HIGH END QPF 0.09 0.06 0.15 0.11
6 HOUR SNOW 0.0 0.7 0.7 0.0 0.3 0.7 0.5 0.5
12 HOUR SNOW 0.7 0.7 1.0 1.0
LOW END SNOW 0.0 0.0 0.4 0.2
HIGH END SNOW 1.3 1.0 2.2 1.5
SNOW LEVEL (KFT) 1.6 2.2 3.2 4.2 4.7 4.3 3.7 3.3 3.2 3.6 4.2 4.7 4.7 4.4 4.0 3.8 3.6
SNOW DENSITY (%) 5 5 5 6 6 5 6 6 6 6 6 7 7 7 6 6 6
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 SC FW BK BK BK SC SC BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 30 20 50 60 65 45 30 55 80 80 85 80 80 80 85 80 75
TEMPERATURE 3 12 24 30 32 25 21 19 19 25 31 33 31 25 23 21 20
MAX/MIN TEMP 32 18 34 20
WIND DIR SW SW W W W S SE SE SE NE NE N N NE NE NE NE
WIND (MPH) 3 3 6 9 8 5 5 4 4 4 6 9 9 8 5 4 3
WIND GUST (MPH) 27 31 31 28 28 24 35 37 37 31 25 23 21
PRECIP PROB (%) 0 0 5 20 20 5 10 10 50 50 70 70 60 60 50 50 60
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.00 0.00 0.01 0.04 0.02 0.03
12 HOUR QPF 0.01 0.00 0.05 0.05
LOW END QPF 0.00 0.00 0.02 0.01
HIGH END QPF 0.05 0.08 0.13 0.10
6 HOUR SNOW 0.0 0.1 0.1 0.0 0.2 0.4 0.3 0.4
12 HOUR SNOW 0.1 0.1 0.6 0.7
LOW END SNOW 0.0 0.0 0.2 0.1
HIGH END SNOW 0.7 0.9 1.5 1.3
SNOW LEVEL (KFT) 1.8 2.4 3.3 4.4 4.9 4.6 4.2 4.0 4.2 4.8 5.6 6.1 5.9 5.3 4.7 4.5 4.3
SNOW DENSITY (%) 5 5 5 6 6 6 6 6 6 6 7 9 8 7 7 7 7
..CRAZY MOUNTAINS
DATE SATURDAY 04/25/26 SUNDAY 04/26/26
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 BK BK OV OV BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 70 70 70 60 70 75 60 80 85 85 85 85 90 90 95 90
TEMPERATURE 11 17 24 29 31 24 22 20 18 20 24 26 25 22 21 20 20
MAX/MIN TEMP 32 17 27 19
WIND DIR W W W W NW E E E E E E E E E E E E
WIND (MPH) 8 8 9 10 11 16 18 14 12 13 14 14 14 13 12 9 8
WIND GUST (MPH) 25 26 27 32 39 43 35 32 34 34 35 36 34 32 26
PRECIP PROB (%) 10 20 20 20 20 20 20 5 70 70 70 70 70 70 70 70 80
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.03 0.03 0.03 0.02
12 HOUR QPF 0.00 0.01 0.06 0.05
LOW END QPF 0.00 0.00 0.01 0.02
HIGH END QPF 0.02 0.08 0.11 0.12
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.4 0.5 0.4 0.4
12 HOUR SNOW 0.0 0.1 0.9 0.8
LOW END SNOW 0.0 0.0 0.1 0.2
HIGH END SNOW 0.3 1.1 1.5 1.7
SNOW LEVEL (KFT) 1.4 1.8 2.6 3.3 3.7 3.1 2.7 2.3 1.9 2.1 3.1 3.8 4.1 3.8 3.6 3.2 3.0
SNOW DENSITY (%) 5 5 5 6 6 6 5 5 5 5 6 6 7 6 6 6 6
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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