579
FWUS45 KTFX 261002
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT SUN APR 26 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 BK SC SC BK SC SC SC SC SC
CLOUD COVER (%) 90 85 80 85 80 80 70 55 55 45 50 55 45 50 40 30 40
TEMPERATURE 18 17 18 20 21 17 15 13 12 19 28 33 34 28 25 23 23
MAX/MIN TEMP 22 11 34 22
WIND DIR E NE NE NE NE NE E E SE SE S S SW S SW SW SW
WIND (MPH) 9 12 14 13 13 11 9 8 6 6 8 9 8 6 6 8 9
WIND GUST (MPH)
PRECIP PROB (%) 80 70 60 50 20 10 10 5 10 10 30 30 10 10 10 10 20
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.09 0.05 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.14 0.02 0.00 0.00
LOW END QPF 0.03 0.00 0.00 0.00
HIGH END QPF 0.18 0.03 0.07 0.04
6 HOUR SNOW 1.7 0.9 0.4 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 2.6 0.4 0.1 0.0
LOW END SNOW 0.4 0.0 0.0 0.0
HIGH END SNOW 3.1 0.5 0.7 0.4
SNOW LEVEL (KFT) 1.3 0.9 1.0 1.6 1.7 1.2 0.7 0.4 0.6 1.4 2.8 3.9 4.4 4.0 3.7 3.6 3.6
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 6 7 8 8 8 7 7
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV BK BK OV OV BK SC SC SC BK
CLOUD COVER (%) 75 85 80 80 80 80 80 70 70 60 70 70 60 50 40 30 55
TEMPERATURE 15 18 22 23 22 19 17 15 13 19 28 33 34 27 23 22 21
MAX/MIN TEMP 24 13 34 21
WIND DIR E E NE NE NE NE NE E E E SE S NW NW W W W
WIND (MPH) 8 10 12 12 12 11 10 8 6 5 8 9 8 5 5 6 6
WIND GUST (MPH) 27 29 29 32 31 27
PRECIP PROB (%) 50 60 60 60 30 40 20 20 30 30 60 60 20 20 10 10 40
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.04 0.05 0.04 0.01 0.00 0.03 0.01 0.00
12 HOUR QPF 0.09 0.05 0.03 0.01
LOW END QPF 0.02 0.00 0.00 0.00
HIGH END QPF 0.11 0.06 0.08 0.06
6 HOUR SNOW 0.7 0.9 0.7 0.2 0.0 0.5 0.1 0.0
12 HOUR SNOW 1.6 0.9 0.5 0.1
LOW END SNOW 0.3 0.0 0.0 0.0
HIGH END SNOW 1.9 1.0 0.9 0.6
SNOW LEVEL (KFT) 1.4 1.6 2.1 2.6 2.6 2.1 1.5 1.0 1.1 1.9 3.2 4.3 4.7 4.3 4.0 3.7 3.7
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 6 7 8 7 7 7 7
..NEVADA MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV BK SC SC SC BK
CLOUD COVER (%) 80 85 85 75 80 80 85 85 85 70 75 75 50 45 45 25 55
TEMPERATURE 19 21 24 26 26 23 21 20 19 22 29 35 37 31 27 26 25
MAX/MIN TEMP 28 19 37 25
WIND DIR NE NE NE NE NE NE NE NE NE NE NE N N W SW SW SW
WIND (MPH) 10 12 13 14 16 14 12 9 6 5 6 8 8 5 5 5 6
WIND GUST (MPH) 32 33
PRECIP PROB (%) 30 40 60 50 30 40 30 20 40 40 60 60 20 20 10 10 30
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.03 0.02 0.02 0.01 0.02 0.01 0.00
12 HOUR QPF 0.05 0.04 0.03 0.01
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.09 0.05 0.06 0.03
6 HOUR SNOW 0.4 0.5 0.4 0.3 0.1 0.2 0.1 0.0
12 HOUR SNOW 0.9 0.7 0.3 0.1
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 1.4 0.8 0.5 0.2
SNOW LEVEL (KFT) 1.7 1.9 2.6 3.1 3.1 2.5 2.0 1.6 1.5 2.0 3.4 4.5 4.9 4.5 4.3 3.9 3.8
SNOW DENSITY (%) 6 5 5 6 6 6 5 5 5 6 6 9 11 10 9 8 8
..ELKHORN/BOULDER MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 75 80 80 75 75 80 85 90 95 85 80 75 60 50 45 30 40
TEMPERATURE 20 24 28 30 28 23 21 21 20 23 29 33 35 29 26 25 24
MAX/MIN TEMP 31 20 35 24
WIND DIR NE NE NE NE N N N NE NE NE E NE N W W W W
WIND (MPH) 6 9 11 13 14 14 10 8 6 5 6 8 8 5 5 5 6
WIND GUST (MPH) 27 29 34 37 36 28 25
PRECIP PROB (%) 20 30 40 40 30 20 30 10 60 60 60 60 20 20 5 5 20
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.03 0.03 0.01 0.02 0.04 0.01 0.00
12 HOUR QPF 0.04 0.04 0.06 0.01
LOW END QPF 0.01 0.00 0.01 0.00
HIGH END QPF 0.07 0.07 0.10 0.03
6 HOUR SNOW 0.1 0.5 0.5 0.2 0.3 0.6 0.1 0.0
12 HOUR SNOW 0.6 0.7 0.9 0.1
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 1.0 1.0 1.1 0.3
SNOW LEVEL (KFT) 3.1 3.3 3.9 4.3 4.2 3.4 2.9 2.7 2.7 3.0 4.0 5.0 5.3 5.0 4.7 4.3 4.1
SNOW DENSITY (%) 5 6 6 6 6 6 5 6 5 5 6 8 9 9 7 7 7
..BIG BELT MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV BK SC SC SC SC
CLOUD COVER (%) 70 75 85 85 80 85 80 75 90 80 75 75 55 50 45 35 45
TEMPERATURE 21 24 28 30 29 25 23 22 21 24 30 35 37 31 28 27 27
MAX/MIN TEMP 31 21 37 26
WIND DIR NE N N NE NE NE NE NE NE NE E N N SE S S S
WIND (MPH) 6 10 12 14 16 13 11 8 6 5 6 6 6 5 5 5 5
WIND GUST (MPH) 35 33
PRECIP PROB (%) 10 20 50 40 40 20 30 20 50 50 60 60 20 20 10 10 20
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.04 0.03 0.01 0.02 0.03 0.01 0.00
12 HOUR QPF 0.06 0.04 0.05 0.01
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.09 0.06 0.07 0.03
6 HOUR SNOW 0.3 0.6 0.5 0.2 0.3 0.4 0.1 0.0
12 HOUR SNOW 0.9 0.7 0.7 0.1
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 1.4 0.9 0.8 0.2
SNOW LEVEL (KFT) 2.4 2.6 3.3 3.7 3.7 3.0 2.5 2.1 2.2 2.5 3.5 4.6 5.0 4.7 4.4 4.0 3.8
SNOW DENSITY (%) 6 6 6 6 7 6 6 6 6 6 6 10 11 10 9 9 8
..LITTLE BELT MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV BK BK SC SC BK
CLOUD COVER (%) 55 70 85 90 85 85 75 75 85 80 80 80 65 55 45 40 60
TEMPERATURE 18 23 28 29 27 22 20 18 18 23 29 33 34 28 25 24 24
MAX/MIN TEMP 30 17 35 23
WIND DIR S NE NE NE NE NE NE E E E SE E E SE S SW SW
WIND (MPH) 4 6 10 11 11 9 6 4 4 5 8 8 6 4 4 5 5
WIND GUST (MPH)
PRECIP PROB (%) 5 10 50 70 50 30 30 20 60 60 70 70 30 30 20 20 40
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.06 0.03 0.01 0.02 0.04 0.01 0.00
12 HOUR QPF 0.07 0.04 0.06 0.01
LOW END QPF 0.02 0.00 0.01 0.00
HIGH END QPF 0.12 0.06 0.10 0.04
6 HOUR SNOW 0.2 1.0 0.5 0.2 0.4 0.5 0.1 0.0
12 HOUR SNOW 1.2 0.7 0.9 0.1
LOW END SNOW 0.3 0.0 0.1 0.0
HIGH END SNOW 1.9 1.0 1.2 0.3
SNOW LEVEL (KFT) 2.2 2.5 3.2 3.5 3.4 2.8 2.2 1.8 1.9 2.4 3.4 4.4 4.8 4.4 4.1 3.9 3.8
SNOW DENSITY (%) 6 5 5 6 6 5 5 5 5 5 6 7 8 8 7 7 7
..HIGHWOOD MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV BK OV BK BK OV SC BK BK SC SC
CLOUD COVER (%) 70 80 90 90 85 90 80 60 70 65 70 70 50 50 50 35 45
TEMPERATURE 21 24 27 28 27 24 22 20 20 24 30 35 36 31 29 28 28
MAX/MIN TEMP 29 20 37 27
WIND DIR E NE NE NE NE NE NE E E E E E SE SE S SW SW
WIND (MPH) 10 13 14 13 13 11 9 8 8 8 9 8 8 6 6 8 8
WIND GUST (MPH)
PRECIP PROB (%) 20 30 60 60 20 20 20 10 40 40 50 50 20 20 10 10 20
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.03 0.03 0.03 0.01 0.00 0.01 0.01 0.00
12 HOUR QPF 0.06 0.04 0.01 0.01
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.10 0.04 0.04 0.03
6 HOUR SNOW 0.5 0.5 0.4 0.2 0.0 0.1 0.1 0.0
12 HOUR SNOW 1.0 0.6 0.1 0.1
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 1.5 0.7 0.2 0.1
SNOW LEVEL (KFT) 1.4 1.8 2.4 2.6 2.6 2.0 1.8 1.2 1.3 1.6 2.7 3.9 4.3 4.1 3.8 3.6 3.6
SNOW DENSITY (%) 6 5 5 5 6 5 6 5 5 6 6 9 11 10 10 10 10
..SNOWY/JUDITH MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV OV BK SC SC SC
CLOUD COVER (%) 60 80 90 90 90 95 85 85 95 90 85 80 75 60 45 45 50
TEMPERATURE 20 25 31 31 30 25 23 22 21 24 30 34 35 29 26 24 25
MAX/MIN TEMP 32 19 36 23
WIND DIR E E NE NE NE NE NE E E E SE SE SE SE S SW SW
WIND (MPH) 5 10 11 12 12 10 6 6 6 6 9 8 6 5 5 5 5
WIND GUST (MPH) 29
PRECIP PROB (%) 5 5 40 50 50 30 30 40 60 60 40 40 20 20 10 10 30
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.03 0.01 0.01 0.03 0.01 0.00 0.00
12 HOUR QPF 0.03 0.02 0.04 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.09 0.06 0.06 0.03
6 HOUR SNOW 0.0 0.4 0.2 0.1 0.5 0.2 0.0 0.0
12 HOUR SNOW 0.4 0.3 0.7 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.4 0.6 0.9 0.2
SNOW LEVEL (KFT) 1.6 1.9 2.9 3.2 3.2 2.7 2.1 1.5 1.5 1.8 2.6 3.8 4.2 4.0 3.7 3.5 3.5
SNOW DENSITY (%) 6 6 7 7 6 6 6 6 5 5 6 9 10 10 9 9 9
..BEARS PAW MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 SC BK SC SC BK BK BK SC SC SC
CLOUD COVER (%) 95 90 85 85 85 85 70 40 60 50 50 65 65 60 45 30 30
TEMPERATURE 21 24 28 30 30 24 21 19 18 24 32 37 38 31 27 25 26
MAX/MIN TEMP 32 17 39 24
WIND DIR NE NE NE N N NE NE NE E E SE SE SE SE SE SE S
WIND (MPH) 5 8 10 11 10 9 8 6 5 6 9 9 6 5 5 4 3
WIND GUST (MPH)
PRECIP PROB (%) 40 30 20 10 10 10 5 5 10 10 10 10 10 10 10 10 10
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.02 0.01 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 0.03 0.00 0.00 0.01
6 HOUR SNOW 0.3 0.2 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 0.5 0.0 0.0 0.0
SNOW LEVEL (KFT) 0.9 0.9 1.6 2.0 2.0 1.4 0.7 0.4 0.4 0.9 2.0 3.1 3.5 3.4 3.2 3.0 3.0
SNOW DENSITY (%) 5 5 5 6 6 5 5 5 5 5 6 9 11 10 10 10 9
..CASTLE/CRAZY MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV BK SC SC SC BK
CLOUD COVER (%) 60 65 80 85 85 80 75 80 95 85 85 85 65 45 40 35 50
TEMPERATURE 20 24 30 32 30 25 23 22 21 23 28 32 33 28 25 24 25
MAX/MIN TEMP 32 20 34 23
WIND DIR E NE E E NE E E E E E E E E SE S SW SW
WIND (MPH) 8 10 12 13 13 12 11 9 9 9 10 9 9 6 4 5 6
WIND GUST (MPH) 27 31 33 34 32 29 27 26
PRECIP PROB (%) 0 5 30 50 50 20 30 30 60 60 50 50 20 20 10 10 30
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.02 0.04 0.01 0.04 0.02 0.00 0.00
12 HOUR QPF 0.02 0.05 0.06 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.09 0.08 0.03
6 HOUR SNOW 0.0 0.3 0.5 0.2 0.7 0.3 0.0 0.0
12 HOUR SNOW 0.3 0.7 1.0 0.0
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 0.8 1.3 1.2 0.2
SNOW LEVEL (KFT) 2.6 2.9 3.8 4.2 4.2 3.5 2.9 2.6 2.5 2.7 3.4 4.6 5.0 4.7 4.3 4.1 4.0
SNOW DENSITY (%) 6 6 6 7 6 6 6 6 5 5 6 7 9 8 7 7 7
..BRIDGER RANGE
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV BK BK SC SC BK
CLOUD COVER (%) 60 70 80 80 80 75 80 85 95 90 85 80 60 50 45 40 55
TEMPERATURE 22 25 31 33 32 27 24 23 22 23 28 33 34 29 26 25 25
MAX/MIN TEMP 34 21 35 24
WIND DIR SE E E E E E E E SE E SE E E SE SE S SW
WIND (MPH) 8 8 8 10 11 11 10 9 8 6 6 6 6 4 4 4 4
WIND GUST (MPH) 29 29 29 27 26
PRECIP PROB (%) 0 5 20 40 50 30 40 40 80 80 70 70 30 30 10 10 30
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 0.01 0.04 0.03 0.01 0.00
12 HOUR QPF 0.01 0.03 0.07 0.01
LOW END QPF 0.00 0.01 0.00 0.00
HIGH END QPF 0.04 0.09 0.08 0.04
6 HOUR SNOW 0.0 0.2 0.2 0.2 0.7 0.3 0.1 0.0
12 HOUR SNOW 0.2 0.4 1.0 0.1
LOW END SNOW 0.0 0.1 0.0 0.0
HIGH END SNOW 0.5 1.2 1.2 0.4
SNOW LEVEL (KFT) 3.0 3.4 4.3 4.8 4.8 4.0 3.3 2.9 2.7 3.0 3.8 5.0 5.3 4.9 4.5 4.2 4.0
SNOW DENSITY (%) 6 6 7 8 8 6 6 6 5 6 6 9 10 9 8 8 7
..MADISON RANGE/SPANISH PEAKS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 BK BK SC SC BK
CLOUD COVER (%) 65 75 75 70 65 70 85 90 90 85 90 90 55 55 45 45 55
TEMPERATURE 18 24 30 32 31 25 23 21 20 22 28 31 31 26 23 21 20
MAX/MIN TEMP 33 19 32 20
WIND DIR S S N N N NE NE NE NE NE W NW NW N W SW SW
WIND (MPH) 4 4 6 9 11 9 8 5 4 4 6 8 8 4 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 5 40 40 50 30 50 50 30 70 70 90 90 30 30 10 10 30
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.04 0.02 0.03 0.05 0.07 0.02 0.00
12 HOUR QPF 0.06 0.05 0.12 0.02
LOW END QPF 0.01 0.03 0.03 0.00
HIGH END QPF 0.10 0.15 0.16 0.05
6 HOUR SNOW 0.3 0.5 0.3 0.5 0.9 1.0 0.3 0.0
12 HOUR SNOW 0.8 0.8 1.9 0.3
LOW END SNOW 0.1 0.4 0.3 0.0
HIGH END SNOW 1.3 2.1 2.3 0.5
SNOW LEVEL (KFT) 4.0 4.6 5.7 6.1 6.1 5.2 4.7 4.4 4.1 4.5 5.1 5.8 6.0 5.6 5.2 4.9 4.6
SNOW DENSITY (%) 6 6 7 7 7 6 6 5 5 5 6 7 8 7 7 7 7
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV BK BK SC BK BK
CLOUD COVER (%) 65 75 80 80 75 75 90 85 95 90 90 90 60 55 45 50 60
TEMPERATURE 18 24 29 31 30 24 22 20 19 22 28 31 31 25 22 21 20
MAX/MIN TEMP 32 19 32 20
WIND DIR S E N N NE NE E E E NE N N N NE SW SW SW
WIND (MPH) 4 4 8 10 11 9 8 5 4 4 8 9 6 4 4 4 5
WIND GUST (MPH)
PRECIP PROB (%) 0 30 40 40 40 40 50 40 80 80 90 90 30 30 10 10 40
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.05 0.01 0.03 0.05 0.07 0.01 0.00
12 HOUR QPF 0.06 0.04 0.12 0.01
LOW END QPF 0.00 0.02 0.02 0.00
HIGH END QPF 0.09 0.14 0.17 0.07
6 HOUR SNOW 0.1 0.7 0.2 0.4 0.8 1.0 0.2 0.0
12 HOUR SNOW 0.8 0.6 1.8 0.2
LOW END SNOW 0.0 0.3 0.2 0.0
HIGH END SNOW 1.3 2.0 2.3 0.7
SNOW LEVEL (KFT) 3.7 4.3 5.3 5.6 5.5 4.7 4.2 3.8 3.6 4.1 4.9 5.6 5.8 5.4 5.0 4.7 4.4
SNOW DENSITY (%) 6 6 7 7 7 6 6 5 5 5 6 7 8 7 7 7 7
..LIONHEAD RANGE
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV BK BK BK SC BK
CLOUD COVER (%) 70 75 85 75 75 80 85 75 80 75 85 85 70 65 55 50 65
TEMPERATURE 20 27 34 39 38 30 27 25 22 27 34 38 36 30 26 24 21
MAX/MIN TEMP 41 21 39 21
WIND DIR NE NW N NW N NE NE NE S S SW SW W W SW SW SW
WIND (MPH) 4 3 3 5 6 5 5 4 4 5 9 9 8 4 3 2 3
WIND GUST (MPH)
PRECIP PROB (%) 0 50 60 60 40 70 50 20 60 60 80 80 50 50 20 20 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 0.02 0.04 0.08 0.08 0.02 0.01
12 HOUR QPF 0.04 0.06 0.16 0.03
LOW END QPF 0.01 0.01 0.04 0.00
HIGH END QPF 0.10 0.12 0.19 0.05
6 HOUR SNOW 0.2 0.1 0.2 0.5 1.1 0.7 0.2 0.1
12 HOUR SNOW 0.3 0.7 1.8 0.3
LOW END SNOW 0.0 0.1 0.2 0.0
HIGH END SNOW 0.7 1.4 2.2 0.6
SNOW LEVEL (KFT) 4.3 5.1 6.2 6.9 6.9 5.8 5.2 4.9 4.8 5.1 5.7 6.1 6.0 5.8 5.5 5.1 4.8
SNOW DENSITY (%) 7 7 9 14 14 8 7 7 6 6 7 11 11 10 8 7 7
..TOBACCO ROOT MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 BK BK OV OV OV OV OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 65 70 65 65 70 75 80 90 95 85 85 85 55 60 40 40 40
TEMPERATURE 19 24 29 32 30 25 23 21 20 22 26 31 32 27 25 23 23
MAX/MIN TEMP 33 20 33 22
WIND DIR N N N N N NE NE NE NE NE N N N N W SW SW
WIND (MPH) 5 6 10 12 14 14 12 10 6 6 6 8 9 6 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 10 20 30 40 40 40 40 40 70 70 80 80 30 30 10 10 20
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.03 0.09 0.04 0.05 0.06 0.02 0.00
12 HOUR QPF 0.03 0.13 0.11 0.02
LOW END QPF 0.00 0.02 0.01 0.00
HIGH END QPF 0.07 0.20 0.13 0.03
6 HOUR SNOW 0.0 0.5 1.3 0.7 0.8 0.8 0.2 0.0
12 HOUR SNOW 0.5 2.0 1.6 0.2
LOW END SNOW 0.0 0.3 0.2 0.0
HIGH END SNOW 0.9 3.2 2.0 0.3
SNOW LEVEL (KFT) 3.9 4.1 4.9 5.4 5.5 4.6 4.0 3.6 3.3 3.7 4.5 5.4 5.7 5.4 5.0 4.6 4.4
SNOW DENSITY (%) 6 6 6 7 7 6 6 5 5 5 6 8 8 8 7 7 7
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 BK BK BK OV OV OV OV OV OV OV BK SC SC SC SC
CLOUD COVER (%) 65 75 60 60 60 70 90 90 95 85 85 85 55 50 40 35 35
TEMPERATURE 22 27 34 38 36 29 26 24 23 25 30 35 35 29 26 24 23
MAX/MIN TEMP 39 22 36 23
WIND DIR E N N N N NE N N N N NW NW NW N NW W SW
WIND (MPH) 4 4 8 11 12 11 10 8 5 5 8 10 10 6 5 4 5
WIND GUST (MPH)
PRECIP PROB (%) 5 30 20 30 30 40 40 40 70 70 80 80 20 20 5 5 20
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.02 0.05 0.04 0.04 0.01 0.00
12 HOUR QPF 0.01 0.07 0.08 0.01
LOW END QPF 0.00 0.03 0.01 0.00
HIGH END QPF 0.05 0.17 0.13 0.03
6 HOUR SNOW 0.0 0.1 0.2 0.8 0.7 0.6 0.1 0.0
12 HOUR SNOW 0.1 1.0 1.3 0.1
LOW END SNOW 0.0 0.4 0.1 0.0
HIGH END SNOW 0.5 2.4 1.5 0.3
SNOW LEVEL (KFT) 4.1 4.5 5.4 6.0 6.1 5.4 4.8 4.4 4.1 4.3 5.1 5.7 5.9 5.7 5.4 5.0 4.7
SNOW DENSITY (%) 7 6 8 10 10 7 6 6 5 6 6 9 10 9 8 7 7
..CENTENNIAL MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV BK BK SC SC BK
CLOUD COVER (%) 70 80 75 65 75 85 90 80 85 80 90 90 65 60 50 40 55
TEMPERATURE 23 28 33 37 36 30 27 26 24 26 31 35 35 30 27 25 23
MAX/MIN TEMP 39 24 36 23
WIND DIR SE W N NW N NE NE NE NE E SW W W NW N NW NW
WIND (MPH) 8 6 6 9 10 10 11 10 8 8 10 11 10 8 6 6 8
WIND GUST (MPH)
PRECIP PROB (%) 5 50 30 20 50 60 40 30 70 70 80 80 40 40 10 10 30
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.01 0.02 0.04 0.06 0.13 0.01 0.00
12 HOUR QPF 0.02 0.06 0.19 0.01
LOW END QPF 0.01 0.02 0.02 0.00
HIGH END QPF 0.07 0.17 0.25 0.05
6 HOUR SNOW 0.2 0.1 0.3 0.6 1.0 1.6 0.1 0.0
12 HOUR SNOW 0.3 0.9 2.6 0.1
LOW END SNOW 0.0 0.2 0.1 0.0
HIGH END SNOW 0.6 2.1 3.1 0.5
SNOW LEVEL (KFT) 4.3 4.9 5.9 6.5 6.6 5.8 5.2 4.8 4.6 4.8 5.6 6.0 6.1 5.9 5.5 5.2 4.8
SNOW DENSITY (%) 7 7 8 12 12 7 6 6 6 6 7 10 11 10 8 7 7
..ANACONDA/HIGHLAND RANGES
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV BK SC SC SC SC
CLOUD COVER (%) 70 65 65 70 70 70 75 80 80 70 80 80 55 45 35 30 35
TEMPERATURE 21 26 32 35 33 27 24 23 22 25 31 35 35 29 26 25 24
MAX/MIN TEMP 35 21 36 23
WIND DIR N N NW N N NE NE NE N NW NW NW NW NW W W SW
WIND (MPH) 3 4 6 10 11 11 9 6 4 4 6 8 9 6 4 3 3
WIND GUST (MPH) 29 32 29
PRECIP PROB (%) 20 20 50 60 50 20 30 20 50 50 70 70 20 20 5 5 20
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.03 0.02 0.01 0.02 0.05 0.01 0.00
12 HOUR QPF 0.03 0.03 0.07 0.01
LOW END QPF 0.01 0.00 0.01 0.00
HIGH END QPF 0.11 0.10 0.12 0.03
6 HOUR SNOW 0.0 0.5 0.3 0.2 0.3 0.6 0.1 0.0
12 HOUR SNOW 0.5 0.5 0.9 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.5 1.4 1.3 0.3
SNOW LEVEL (KFT) 3.8 4.1 4.9 5.4 5.5 4.7 4.0 3.6 3.5 3.9 4.7 5.3 5.6 5.3 4.9 4.5 4.3
SNOW DENSITY (%) 6 6 6 7 7 6 6 6 6 6 6 8 9 8 7 7 7
..PIONEER MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV BK SC SC SC SC
CLOUD COVER (%) 60 60 60 75 80 80 85 85 90 80 85 85 55 45 35 30 35
TEMPERATURE 19 25 32 34 33 27 24 22 21 24 29 33 34 28 25 23 22
MAX/MIN TEMP 35 20 34 21
WIND DIR SE W N N N NE NE NE N N NW NW NW NW W W W
WIND (MPH) 3 4 6 9 11 11 9 5 3 4 6 9 10 8 5 5 5
WIND GUST (MPH) 28 31 26
PRECIP PROB (%) 10 20 40 50 60 30 40 30 70 70 80 80 20 20 5 5 20
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.07 0.06 0.02 0.04 0.07 0.02 0.00
12 HOUR QPF 0.07 0.08 0.11 0.02
LOW END QPF 0.01 0.01 0.02 0.00
HIGH END QPF 0.14 0.14 0.16 0.03
6 HOUR SNOW 0.0 1.1 0.9 0.3 0.6 1.0 0.2 0.0
12 HOUR SNOW 1.1 1.2 1.6 0.2
LOW END SNOW 0.1 0.1 0.1 0.0
HIGH END SNOW 1.8 2.2 2.1 0.4
SNOW LEVEL (KFT) 3.9 4.3 5.1 5.7 5.8 5.0 4.3 3.9 3.8 4.1 4.9 5.5 5.6 5.3 5.1 4.7 4.4
SNOW DENSITY (%) 6 6 6 7 7 6 6 5 5 5 6 8 8 8 7 7 6
..BEAVERHEAD/TENDOY MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV SC SC SC SC SC
CLOUD COVER (%) 60 55 55 65 65 85 95 95 90 80 85 85 50 45 30 25 35
TEMPERATURE 20 26 34 37 36 29 26 24 22 25 31 34 34 28 25 23 22
MAX/MIN TEMP 38 22 35 22
WIND DIR W NW NW NW N N N N N N NW NW NW NW NW W W
WIND (MPH) 4 4 8 10 12 12 11 9 6 6 9 11 12 9 8 6 6
WIND GUST (MPH) 29
PRECIP PROB (%) 20 20 40 40 30 50 50 50 70 70 80 80 20 20 5 5 20
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.02 0.08 0.06 0.04 0.06 0.01 0.00
12 HOUR QPF 0.02 0.14 0.10 0.01
LOW END QPF 0.00 0.02 0.01 0.00
HIGH END QPF 0.07 0.20 0.14 0.03
6 HOUR SNOW 0.0 0.3 1.2 1.0 0.6 0.8 0.1 0.0
12 HOUR SNOW 0.3 2.2 1.4 0.1
LOW END SNOW 0.0 0.2 0.0 0.0
HIGH END SNOW 0.7 3.1 1.8 0.3
SNOW LEVEL (KFT) 4.1 4.5 5.2 5.8 6.1 5.6 4.9 4.4 4.2 4.4 5.1 5.6 5.8 5.5 5.2 4.8 4.5
SNOW DENSITY (%) 6 6 7 9 9 6 6 5 5 6 6 8 9 8 7 7 7
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK
CLOUD COVER (%) 50 70 85 85 90 80 80 85 85 85 95 95 75 75 55 60 65
TEMPERATURE 14 23 29 29 26 20 17 16 16 20 28 30 28 22 19 17 16
MAX/MIN TEMP 30 14 30 15
WIND DIR S S SW NE NE NE NE NE E SE SW W W NW W W SW
WIND (MPH) 5 4 6 9 9 8 6 5 4 5 9 10 8 4 3 4 4
WIND GUST (MPH)
PRECIP PROB (%) 0 10 70 70 80 50 70 60 80 80 90 90 60 60 30 30 50
PRECIP TYPE
6 HOUR QPF 0.01 0.13 0.02 0.02 0.04 0.16 0.05 0.01
12 HOUR QPF 0.14 0.04 0.20 0.06
LOW END QPF 0.06 0.02 0.05 0.00
HIGH END QPF 0.19 0.11 0.27 0.07
6 HOUR SNOW 0.2 1.9 0.3 0.4 0.7 2.4 0.7 0.2
12 HOUR SNOW 2.1 0.7 3.1 0.9
LOW END SNOW 0.7 0.2 0.5 0.0
HIGH END SNOW 2.7 1.6 3.7 0.9
SNOW LEVEL (KFT) 4.2 5.1 6.2 6.2 5.6 4.6 4.1 4.0 4.2 4.9 5.7 6.0 6.0 5.5 5.1 4.8 4.6
SNOW DENSITY (%) 6 6 6 6 6 6 5 5 5 5 6 7 7 7 7 7 6
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV OV OV BK BK BK
CLOUD COVER (%) 55 75 85 90 95 95 90 90 90 90 95 95 75 75 55 55 65
TEMPERATURE 17 24 27 27 24 21 18 17 16 20 25 27 26 22 20 19 18
MAX/MIN TEMP 28 15 28 18
WIND DIR SW SE NE NE NE NE NE NE E NE NE NE N NW SW SW SW
WIND (MPH) 5 6 12 14 14 12 10 8 6 8 11 11 9 5 6 8 9
WIND GUST (MPH) 34 39 42 39 33 26 32 29 29
PRECIP PROB (%) 0 10 70 60 80 60 70 60 80 80 90 90 60 60 30 30 40
PRECIP TYPE
6 HOUR QPF 0.01 0.10 0.07 0.04 0.05 0.12 0.04 0.01
12 HOUR QPF 0.11 0.11 0.17 0.05
LOW END QPF 0.03 0.03 0.04 0.00
HIGH END QPF 0.14 0.15 0.23 0.06
6 HOUR SNOW 0.2 1.5 1.1 0.6 0.8 1.8 0.5 0.1
12 HOUR SNOW 1.7 1.7 2.6 0.6
LOW END SNOW 0.4 0.4 0.5 0.0
HIGH END SNOW 2.1 2.3 3.1 0.8
SNOW LEVEL (KFT) 3.8 4.4 5.0 5.0 4.9 4.2 3.7 3.4 3.4 3.9 4.5 5.2 5.4 5.1 4.7 4.5 4.3
SNOW DENSITY (%) 7 6 6 6 6 6 6 5 5 6 6 7 7 7 7 7 7
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV BK BK BK BK BK
CLOUD COVER (%) 60 70 80 80 80 80 85 85 85 75 90 90 65 65 55 50 60
TEMPERATURE 18 25 32 33 32 25 23 21 20 23 31 34 32 26 23 21 20
MAX/MIN TEMP 35 19 34 20
WIND DIR S SE N N N NE NE NE E SE SW W NW NW W SW SW
WIND (MPH) 4 4 6 9 10 8 6 4 4 4 8 9 8 4 3 3 4
WIND GUST (MPH) 32 36 37 35 29 23 21 23 31 29 28 23
PRECIP PROB (%) 0 20 50 60 60 40 50 30 60 60 90 90 40 40 20 20 40
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.06 0.02 0.03 0.04 0.09 0.03 0.00
12 HOUR QPF 0.07 0.05 0.13 0.03
LOW END QPF 0.03 0.02 0.04 0.00
HIGH END QPF 0.13 0.12 0.20 0.06
6 HOUR SNOW 0.1 0.8 0.3 0.4 0.6 1.2 0.3 0.0
12 HOUR SNOW 0.9 0.7 1.8 0.3
LOW END SNOW 0.2 0.2 0.3 0.0
HIGH END SNOW 1.6 1.5 2.4 0.6
SNOW LEVEL (KFT) 4.1 4.9 5.9 6.3 6.0 5.1 4.5 4.2 4.2 4.7 5.4 5.9 6.0 5.6 5.2 4.9 4.6
SNOW DENSITY (%) 7 7 7 8 7 7 6 6 6 6 7 8 8 7 7 7 7
..CRAZY MOUNTAINS
DATE SUNDAY 04/26/26 MONDAY 04/27/26
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 OV OV OV OV OV OV OV OV OV BK BK SC SC BK
CLOUD COVER (%) 60 75 85 90 90 90 85 90 95 90 90 85 70 55 45 45 60
TEMPERATURE 19 24 27 29 27 23 21 20 19 21 24 28 29 25 22 21 23
MAX/MIN TEMP 29 19 29 21
WIND DIR SW E E E NE E E E E E E E SE SE W W W
WIND (MPH) 9 11 13 14 16 14 13 11 9 10 11 10 10 8 5 6 9
WIND GUST (MPH) 26 31 33 34 36 36 34 29 26 27 28
PRECIP PROB (%) 0 0 40 50 60 50 40 40 70 70 60 60 30 30 20 20 40
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.04 0.06 0.02 0.06 0.05 0.01 0.00
12 HOUR QPF 0.04 0.08 0.11 0.01
LOW END QPF 0.00 0.02 0.00 0.00
HIGH END QPF 0.08 0.13 0.13 0.03
6 HOUR SNOW 0.0 0.6 1.0 0.4 1.0 0.7 0.1 0.0
12 HOUR SNOW 0.6 1.4 1.7 0.1
LOW END SNOW 0.0 0.2 0.0 0.0
HIGH END SNOW 1.2 2.1 2.0 0.3
SNOW LEVEL (KFT) 3.0 3.2 3.9 4.3 4.4 3.8 3.2 2.8 2.6 2.8 3.5 4.6 5.0 4.7 4.3 4.1 4.0
SNOW DENSITY (%) 6 6 6 6 6 6 6 5 5 5 5 7 7 7 7 7 7
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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