263
FWUS45 KTFX 281001
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT TUE APR 28 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK BK BK SC SC FW FW FW
CLOUD COVER (%) 65 50 50 60 65 60 60 65 60 55 60 60 35 30 20 20 15
TEMPERATURE 26 31 36 39 39 33 31 30 29 33 39 42 42 36 32 30 29
MAX/MIN TEMP 40 28 43 29
WIND DIR W W W W W W W W NW NW N N N NW S SW SW
WIND (MPH) 10 10 12 11 10 8 6 6 5 4 8 8 8 5 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 20 20 30 40 40 40 40 30 30 30 40 40 5 5 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.03 0.01 0.00 0.02 0.00 0.00
12 HOUR QPF 0.01 0.04 0.02 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.08 0.06 0.00
6 HOUR SNOW 0.0 0.0 0.2 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.3 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 0.4 0.1 0.0
SNOW LEVEL (KFT) 4.4 4.8 5.3 5.8 6.2 6.0 5.8 5.6 5.4 5.5 5.9 6.3 6.4 6.1 5.7 5.4 5.2
SNOW DENSITY (%) 8 9 10 12 16 14 14 12 11 11 12 16 20 20 16 16 14
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK OV BK OV OV SC SC FW FW FW
CLOUD COVER (%) 60 65 70 65 70 65 60 60 70 70 80 80 45 45 20 15 15
TEMPERATURE 23 30 36 39 38 32 29 28 27 32 38 40 41 34 29 27 25
MAX/MIN TEMP 40 27 42 25
WIND DIR W W W W NW W W W W NW NE NE NE N NW W W
WIND (MPH) 8 9 12 12 10 8 6 5 5 4 6 8 8 5 5 5 5
WIND GUST (MPH) 29 31 28
PRECIP PROB (%) 40 50 50 50 50 50 30 30 50 50 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 0.01 0.04 0.04 0.01 0.01 0.07 0.02 0.00
12 HOUR QPF 0.05 0.05 0.08 0.02
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.08 0.08 0.12 0.02
6 HOUR SNOW 0.2 0.1 0.2 0.1 0.1 0.1 0.1 0.0
12 HOUR SNOW 0.3 0.3 0.2 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.5 0.6 0.3 0.1
SNOW LEVEL (KFT) 4.4 4.9 5.6 6.0 6.3 6.0 5.8 5.6 5.6 5.9 6.3 6.6 6.6 6.2 5.7 5.2 5.0
SNOW DENSITY (%) 7 7 9 12 12 12 11 11 10 10 12 16 16 16 14 12 12
..NEVADA MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK OV BK OV OV SC SC FW FW FW
CLOUD COVER (%) 65 65 65 70 65 60 55 55 70 70 85 85 40 30 15 5 10
TEMPERATURE 27 32 37 41 41 35 32 31 30 34 40 43 44 38 34 31 29
MAX/MIN TEMP 43 29 45 29
WIND DIR W W W W W W W W W NW N N NE N N NW W
WIND (MPH) 8 8 11 12 12 8 5 4 4 4 6 9 10 6 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 40 40 50 50 50 40 20 20 50 50 70 70 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S R S S
6 HOUR QPF 0.02 0.03 0.04 0.00 0.01 0.07 0.01 0.00
12 HOUR QPF 0.05 0.04 0.08 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.08 0.05 0.10 0.01
6 HOUR SNOW 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 0.1 0.1 0.0
SNOW LEVEL (KFT) 4.5 4.9 5.7 6.1 6.4 6.1 6.0 5.7 5.6 5.9 6.3 6.7 6.7 6.2 5.7 5.2 4.9
SNOW DENSITY (%) 8 9 12 16 20 20 16 16 14 14 16 25 25 20 16 16 14
..ELKHORN/BOULDER MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK SC SC BK BK OV OV SC SC FW FW FW
CLOUD COVER (%) 55 60 70 70 60 55 45 40 65 65 80 80 40 35 15 10 15
TEMPERATURE 23 30 36 39 40 33 30 28 27 33 39 42 42 35 31 28 27
MAX/MIN TEMP 41 27 43 26
WIND DIR W W W NW NW NW W W W NW N N N N NW W W
WIND (MPH) 6 8 11 12 12 8 6 5 5 4 8 10 11 8 5 4 4
WIND GUST (MPH) 29 27 32
PRECIP PROB (%) 30 40 60 60 40 30 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 0.01 0.05 0.03 0.00 0.01 0.05 0.01 0.00
12 HOUR QPF 0.06 0.03 0.06 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.10 0.04 0.10 0.01
6 HOUR SNOW 0.2 0.4 0.2 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.6 0.2 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.2 0.2 0.0
SNOW LEVEL (KFT) 4.5 5.0 5.8 6.3 6.4 6.3 6.0 5.8 5.7 6.1 6.5 6.8 6.9 6.5 6.0 5.4 5.1
SNOW DENSITY (%) 7 7 9 12 14 12 11 10 10 10 12 16 20 16 14 12 11
..BIG BELT MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK OV OV SC FW FW FW FW
CLOUD COVER (%) 60 55 65 70 65 65 55 55 60 60 75 75 35 25 15 10 10
TEMPERATURE 25 31 37 41 42 36 33 32 31 35 41 44 45 38 34 32 30
MAX/MIN TEMP 44 30 46 30
WIND DIR W W W W NW W W SW W NW N N N NE E E SE
WIND (MPH) 5 8 11 12 12 6 5 4 4 4 9 11 12 8 4 4 4
WIND GUST (MPH) 29 31 32 29 33 25
PRECIP PROB (%) 30 30 50 50 50 50 30 30 40 40 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 0.01 0.05 0.04 0.00 0.00 0.05 0.00 0.00
12 HOUR QPF 0.06 0.04 0.05 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.10 0.05 0.07 0.01
6 HOUR SNOW 0.1 0.2 0.1 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.3 0.1 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 0.1 0.1 0.0
SNOW LEVEL (KFT) 4.3 4.8 5.6 6.1 6.2 6.2 6.0 5.8 5.6 5.9 6.2 6.5 6.5 6.1 5.6 5.2 4.9
SNOW DENSITY (%) 9 9 12 16 20 16 16 14 14 14 16 20 25 20 16 16 14
..LITTLE BELT MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK SC BK BK BK OV OV SC SC FW FW FW
CLOUD COVER (%) 55 55 65 75 60 60 50 55 65 65 80 80 30 30 15 20 15
TEMPERATURE 23 31 37 40 40 33 30 29 28 35 40 42 42 34 30 28 27
MAX/MIN TEMP 42 28 44 27
WIND DIR W W W W NW W W W W NW N N N N S SW SW
WIND (MPH) 6 6 11 12 11 6 5 5 4 5 9 11 10 5 3 4 4
WIND GUST (MPH) 28 28
PRECIP PROB (%) 30 30 40 60 40 40 30 20 50 50 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 0.00 0.05 0.03 0.00 0.01 0.05 0.01 0.00
12 HOUR QPF 0.05 0.03 0.06 0.01
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.11 0.05 0.08 0.01
6 HOUR SNOW 0.0 0.3 0.2 0.0 0.1 0.1 0.0 0.0
12 HOUR SNOW 0.3 0.2 0.2 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.5 0.3 0.2 0.0
SNOW LEVEL (KFT) 4.2 4.7 5.4 6.0 6.1 5.8 5.7 5.5 5.5 5.8 6.1 6.3 6.2 5.7 5.3 5.0 4.8
SNOW DENSITY (%) 7 8 10 12 14 14 12 11 10 11 12 16 16 14 12 12 11
..HIGHWOOD MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC SC SC BK BK BK BK FW FW FW FW SC
CLOUD COVER (%) 50 55 60 65 65 50 35 40 55 55 65 65 25 20 20 20 25
TEMPERATURE 27 34 40 43 43 38 35 33 32 37 42 46 46 39 35 33 32
MAX/MIN TEMP 45 32 47 32
WIND DIR W W W W NW NW W W W NW N N N NE S SW SW
WIND (MPH) 9 10 14 13 12 9 8 8 8 8 12 12 12 8 5 6 8
WIND GUST (MPH)
PRECIP PROB (%) 30 30 40 50 50 30 20 20 30 30 40 40 10 10 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.00 0.03 0.01 0.00 0.00 0.02 0.00 0.00
12 HOUR QPF 0.03 0.01 0.02 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.01 0.03 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 4.0 4.5 5.2 5.7 5.8 5.5 5.6 5.5 5.4 5.5 5.6 5.8 5.9 5.5 5.1 4.8 4.7
SNOW DENSITY (%) 11 12 16 20 25 25 20 20 16 16 16 20 25 20 16 16 14
..SNOWY/JUDITH MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC FW SC BK BK BK BK SC FW FW FW FW
CLOUD COVER (%) 45 45 60 65 60 45 25 25 55 50 65 65 30 20 20 25 25
TEMPERATURE 26 36 42 44 42 35 33 31 30 38 44 46 45 37 33 30 28
MAX/MIN TEMP 46 29 47 27
WIND DIR W W NW NW NW W W W W NW NW NW N NW NW W W
WIND (MPH) 6 6 10 11 10 6 6 6 6 8 11 12 12 6 4 4 5
WIND GUST (MPH) 27 29 32
PRECIP PROB (%) 20 20 30 50 20 10 10 10 30 30 50 50 10 10 0 0 0
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.02 0.01 0.00 0.00 0.03 0.00 0.00
12 HOUR QPF 0.02 0.01 0.03 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.01 0.06 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.0 0.1 0.0
SNOW LEVEL (KFT) 4.0 4.5 5.1 5.6 5.8 5.6 5.3 5.2 5.2 5.4 5.5 5.8 5.9 5.4 4.9 4.5 4.4
SNOW DENSITY (%) 12 12 16 20 25 20 20 20 16 16 16 20 25 20 16 14 14
..BEARS PAW MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC BK BK SC SC SC BK SC SC FW SC FW FW FW FW FW
CLOUD COVER (%) 50 40 50 60 45 30 35 50 35 40 20 25 20 25 20 15 20
TEMPERATURE 28 37 44 47 46 37 33 32 30 38 46 49 48 39 33 31 31
MAX/MIN TEMP 48 29 50 29
WIND DIR W W NW NW NW N NE NW NW NW NW NW N N NE S SW
WIND (MPH) 3 4 9 11 11 5 3 3 5 6 10 12 12 6 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 20 20 30 40 20 20 5 5 10 10 10 10 5 5 0 0 0
PRECIP TYPE S S S S S S
6 HOUR QPF 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.01 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.02 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 3.8 4.1 4.7 5.1 5.1 4.9 4.3 4.1 4.1 4.3 4.7 5.1 5.2 4.8 4.4 4.2 4.1
SNOW DENSITY (%) 16 16 20 25 25 25 25 20 16 16 20 25 25 20 16 16 14
..CASTLE/CRAZY MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK OV BK OV OV SC SC FW FW FW
CLOUD COVER (%) 55 50 65 65 60 60 60 65 75 65 75 75 45 35 15 10 5
TEMPERATURE 24 31 37 41 40 33 31 29 29 34 41 43 43 35 31 29 28
MAX/MIN TEMP 42 28 45 28
WIND DIR W W W W NW W W W W W NW N N NE NE N W
WIND (MPH) 6 10 16 17 14 9 6 5 5 6 10 12 12 8 5 5 5
WIND GUST (MPH) 31 37 39 36
PRECIP PROB (%) 20 20 40 40 40 40 20 20 40 40 60 60 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.04 0.04 0.00 0.00 0.09 0.02 0.00
12 HOUR QPF 0.04 0.04 0.09 0.02
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.10 0.06 0.13 0.03
6 HOUR SNOW 0.0 0.2 0.2 0.0 0.0 0.2 0.1 0.0
12 HOUR SNOW 0.2 0.2 0.2 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.4 0.3 0.3 0.1
SNOW LEVEL (KFT) 4.3 4.8 5.5 6.0 6.2 6.0 5.8 5.7 5.7 6.0 6.3 6.6 6.6 6.1 5.6 5.2 4.9
SNOW DENSITY (%) 7 7 10 12 14 14 12 11 10 11 14 16 20 16 12 12 11
..BRIDGER RANGE
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK OV OV SC SC FW FW FW
CLOUD COVER (%) 55 50 60 65 65 60 55 50 65 65 80 80 45 40 20 15 20
TEMPERATURE 24 30 36 40 40 34 31 30 29 34 40 43 42 36 32 29 28
MAX/MIN TEMP 42 29 45 28
WIND DIR W W W W NW W W W W W NW N N NE E E E
WIND (MPH) 4 8 12 12 11 5 4 4 4 4 8 10 10 8 5 4 4
WIND GUST (MPH) 31 29 28 28
PRECIP PROB (%) 20 20 40 40 40 30 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 0.00 0.06 0.04 0.00 0.01 0.07 0.02 0.00
12 HOUR QPF 0.06 0.04 0.08 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.09 0.06 0.12 0.02
6 HOUR SNOW 0.0 0.3 0.2 0.0 0.1 0.1 0.1 0.0
12 HOUR SNOW 0.3 0.2 0.2 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.4 0.3 0.2 0.1
SNOW LEVEL (KFT) 4.3 4.7 5.5 6.2 6.4 6.2 6.0 5.9 5.7 6.0 6.4 6.7 6.8 6.4 5.9 5.3 5.0
SNOW DENSITY (%) 7 7 10 14 16 14 12 12 11 12 14 20 20 16 14 12 12
..MADISON RANGE/SPANISH PEAKS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC BK BK BK BK SC SC BK BK OV OV SC SC FW FW FW
CLOUD COVER (%) 55 50 60 65 60 55 45 40 55 55 70 70 50 45 20 15 15
TEMPERATURE 16 24 31 35 35 28 26 25 23 29 36 38 37 30 27 24 22
MAX/MIN TEMP 37 23 40 22
WIND DIR W W W W W W W W W NW NW N N N NE NE E
WIND (MPH) 4 6 10 10 9 5 4 3 3 3 8 9 10 6 5 4 4
WIND GUST (MPH) 27 26
PRECIP PROB (%) 30 20 30 50 30 30 20 20 30 30 60 60 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.04 0.02 0.00 0.00 0.05 0.02 0.00
12 HOUR QPF 0.04 0.02 0.05 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.04 0.12 0.02
6 HOUR SNOW 0.0 0.5 0.3 0.0 0.0 0.4 0.1 0.0
12 HOUR SNOW 0.5 0.3 0.4 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.5 0.4 0.7 0.1
SNOW LEVEL (KFT) 4.4 4.9 5.6 6.3 6.6 6.4 6.1 5.9 5.8 6.2 6.6 7.0 7.2 6.9 6.3 5.9 5.5
SNOW DENSITY (%) 6 6 7 8 9 8 7 7 7 7 9 12 12 11 10 9 8
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC SC BK BK OV OV SC SC FW FW FW
CLOUD COVER (%) 55 55 60 65 55 55 45 45 60 60 75 75 45 40 25 20 20
TEMPERATURE 18 26 33 37 36 29 27 26 25 30 37 40 38 30 27 24 23
MAX/MIN TEMP 38 24 41 23
WIND DIR SW W W W NW W W W W NW NW N N NE NE SW SW
WIND (MPH) 5 6 10 11 9 5 4 4 4 3 8 9 9 5 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 20 20 30 50 30 20 10 10 40 40 60 60 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.06 0.03 0.00 0.00 0.06 0.02 0.00
12 HOUR QPF 0.06 0.03 0.06 0.02
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.08 0.07 0.14 0.02
6 HOUR SNOW 0.0 0.6 0.3 0.0 0.0 0.3 0.1 0.0
12 HOUR SNOW 0.6 0.3 0.3 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.8 0.6 0.7 0.1
SNOW LEVEL (KFT) 4.2 4.9 5.5 6.3 6.6 6.2 6.0 5.8 5.8 6.1 6.6 6.9 7.1 6.7 6.2 5.7 5.3
SNOW DENSITY (%) 6 6 7 9 9 9 8 7 7 7 10 12 12 11 10 9 8
..LIONHEAD RANGE
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK SC BK BK BK BK FW FW FW FW
CLOUD COVER (%) 40 25 45 60 60 50 50 55 50 55 70 70 55 25 10 10 15
TEMPERATURE 19 28 36 39 38 32 28 26 24 30 40 43 41 33 28 24 22
MAX/MIN TEMP 40 23 44 22
WIND DIR SW SW SW SW SW SW SW S SE N NW NW N NE NE NE NE
WIND (MPH) 2 4 8 9 8 4 2 2 2 2 4 5 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 5 5 20 40 20 20 5 5 20 20 50 50 10 10 0 0 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.00 0.03 0.01 0.00 0.00 0.04 0.01 0.00
12 HOUR QPF 0.03 0.01 0.04 0.01
LOW END QPF 0.00 0.00 0.02 0.00
HIGH END QPF 0.07 0.02 0.10 0.01
6 HOUR SNOW 0.0 0.2 0.1 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.2 0.1 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.3 0.1 0.1 0.0
SNOW LEVEL (KFT) 4.4 5.0 5.7 6.4 6.7 6.5 6.3 6.0 5.9 6.2 6.8 7.1 7.3 7.0 6.4 6.0 5.5
SNOW DENSITY (%) 6 6 8 11 12 12 11 9 8 9 16 20 25 20 14 11 10
..TOBACCO ROOT MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC BK OV BK BK SC SC BK BK OV OV BK BK FW FW FW
CLOUD COVER (%) 55 50 60 70 60 55 45 45 60 60 75 75 50 50 20 10 10
TEMPERATURE 19 26 32 37 37 31 29 27 26 32 37 40 39 33 30 27 25
MAX/MIN TEMP 39 26 41 25
WIND DIR W W W W NW NW W W W NW N N NE NE NE N W
WIND (MPH) 8 8 11 12 11 6 5 5 5 4 6 9 11 9 8 6 5
WIND GUST (MPH)
PRECIP PROB (%) 20 20 40 60 40 40 20 20 40 40 60 60 30 30 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.04 0.01 0.00 0.01 0.08 0.02 0.00
12 HOUR QPF 0.04 0.01 0.09 0.02
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.06 0.15 0.03
6 HOUR SNOW 0.0 0.4 0.1 0.0 0.2 0.5 0.1 0.0
12 HOUR SNOW 0.4 0.1 0.7 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.5 0.5 1.0 0.2
SNOW LEVEL (KFT) 4.5 4.9 5.7 6.3 6.5 6.4 6.1 5.8 5.8 6.1 6.6 7.0 7.2 6.7 6.3 5.7 5.3
SNOW DENSITY (%) 6 6 7 10 11 10 9 9 8 9 10 12 14 12 11 10 9
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK BK SC SC FW FW FW
CLOUD COVER (%) 50 45 60 65 55 55 50 40 50 55 60 60 45 35 20 10 10
TEMPERATURE 18 27 35 40 39 33 30 28 27 32 40 43 42 34 31 28 26
MAX/MIN TEMP 41 27 44 26
WIND DIR W W W W W NW NW W NW NW NW N N N NE NE NE
WIND (MPH) 4 6 11 12 11 6 4 3 3 3 8 10 11 9 5 5 4
WIND GUST (MPH)
PRECIP PROB (%) 20 20 30 50 20 20 10 10 20 20 40 40 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.01 0.00 0.00 0.02 0.01 0.00
12 HOUR QPF 0.01 0.01 0.02 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.03 0.03 0.07 0.01
6 HOUR SNOW 0.0 0.1 0.1 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.1 0.1 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.1 0.2 0.0
SNOW LEVEL (KFT) 4.5 4.9 5.6 6.3 6.6 6.5 6.2 6.0 5.9 6.2 6.6 7.0 7.3 7.0 6.6 6.2 5.7
SNOW DENSITY (%) 6 6 9 12 12 11 10 9 9 10 12 16 20 14 12 11 10
..CENTENNIAL MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK SC BK BK BK BK SC FW FW FW
CLOUD COVER (%) 30 20 45 55 55 50 50 50 50 55 65 65 55 30 10 10 10
TEMPERATURE 21 28 34 38 37 32 29 28 26 31 39 41 41 34 30 27 25
MAX/MIN TEMP 39 26 43 25
WIND DIR W W W W W W W NW NW N NW N N N N N N
WIND (MPH) 6 8 11 12 11 8 5 5 5 4 8 9 10 10 11 11 11
WIND GUST (MPH)
PRECIP PROB (%) 5 5 20 20 10 10 5 5 20 20 50 50 10 10 0 0 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.02 0.01 0.00 0.00 0.03 0.00 0.00
12 HOUR QPF 0.02 0.01 0.03 0.00
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.05 0.02 0.09 0.01
6 HOUR SNOW 0.0 0.1 0.0 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.1 0.0 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.2 0.1 0.2 0.0
SNOW LEVEL (KFT) 4.5 4.9 5.7 6.3 6.7 6.6 6.3 6.1 6.0 6.3 6.7 7.2 7.3 7.0 6.6 6.2 5.7
SNOW DENSITY (%) 6 6 9 11 12 11 10 9 8 10 12 20 20 16 14 12 11
..ANACONDA/HIGHLAND RANGES
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC SC BK BK BK BK BK BK SC FW FW FW
CLOUD COVER (%) 55 60 65 70 55 50 45 50 65 55 70 70 50 50 15 10 10
TEMPERATURE 22 29 35 39 39 32 29 28 27 32 40 43 42 35 31 28 26
MAX/MIN TEMP 41 27 44 26
WIND DIR W W W W NW NW NW W NW NW NW N N N NE NE NE
WIND (MPH) 3 5 9 10 10 5 3 3 2 3 5 9 10 8 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 30 40 50 50 30 20 5 5 30 30 50 50 30 30 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.01 0.02 0.01 0.00 0.00 0.03 0.01 0.00
12 HOUR QPF 0.03 0.01 0.03 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.09 0.02 0.10 0.01
6 HOUR SNOW 0.1 0.2 0.1 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.1 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.4 0.1 0.1 0.0
SNOW LEVEL (KFT) 4.5 5.0 5.9 6.3 6.5 6.4 6.2 5.9 5.7 6.1 6.6 7.0 7.2 7.0 6.5 6.0 5.5
SNOW DENSITY (%) 6 7 8 11 12 11 10 9 9 10 12 20 20 16 14 12 11
..PIONEER MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 SC SC BK BK BK OV OV BK BK FW FW FW
CLOUD COVER (%) 55 55 65 65 55 50 50 55 70 60 70 70 60 60 20 15 15
TEMPERATURE 19 27 33 37 38 31 28 27 26 31 38 41 40 33 30 27 25
MAX/MIN TEMP 39 25 42 25
WIND DIR W W W W NW NW W W W NW N N N NE NE NE NE
WIND (MPH) 5 6 10 11 11 6 4 4 4 3 6 9 10 8 5 4 4
WIND GUST (MPH) 24 29
PRECIP PROB (%) 30 30 50 50 30 20 10 10 40 40 60 60 40 40 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.01 0.02 0.01 0.00 0.00 0.05 0.03 0.00
12 HOUR QPF 0.03 0.01 0.05 0.03
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.02 0.12 0.04
6 HOUR SNOW 0.1 0.2 0.1 0.0 0.0 0.2 0.2 0.0
12 HOUR SNOW 0.3 0.1 0.2 0.2
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.4 0.2 0.4 0.2
SNOW LEVEL (KFT) 4.5 5.0 5.9 6.3 6.6 6.4 6.1 6.0 5.8 6.1 6.6 7.1 7.3 7.1 6.6 6.2 5.7
SNOW DENSITY (%) 6 6 7 10 11 10 8 8 8 9 12 16 16 14 11 11 10
..BEAVERHEAD/TENDOY MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK BK BK SC FW FW FW
CLOUD COVER (%) 35 35 50 60 55 55 60 55 60 55 60 60 50 50 20 15 15
TEMPERATURE 21 29 35 39 38 32 29 28 27 32 39 42 41 34 30 28 26
MAX/MIN TEMP 40 26 43 26
WIND DIR W W W W W W W W W NW N N N N NE NE NE
WIND (MPH) 5 6 11 11 11 6 4 4 4 4 8 10 12 10 8 6 6
WIND GUST (MPH) 24
PRECIP PROB (%) 10 10 20 40 20 20 10 10 20 20 40 40 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.01 0.00 0.00 0.02 0.01 0.00
12 HOUR QPF 0.01 0.01 0.02 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.03 0.02 0.09 0.02
6 HOUR SNOW 0.0 0.1 0.1 0.0 0.0 0.1 0.1 0.0
12 HOUR SNOW 0.1 0.1 0.1 0.1
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.1 0.3 0.1
SNOW LEVEL (KFT) 4.5 4.9 5.6 6.3 6.7 6.5 6.3 6.1 5.9 6.2 6.7 7.0 7.4 7.2 6.8 6.5 6.0
SNOW DENSITY (%) 6 6 7 10 11 10 9 8 8 9 12 16 20 16 12 11 10
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK OV OV OV OV OV OV OV SC SC FW
CLOUD COVER (%) 55 55 65 80 70 65 60 70 70 70 85 85 70 70 40 30 25
TEMPERATURE 11 20 28 32 31 23 21 20 19 25 32 34 32 25 22 18 17
MAX/MIN TEMP 33 19 35 17
WIND DIR W W W W W W W W W W NW N N N NE NE NE
WIND (MPH) 4 6 11 12 10 5 4 4 4 3 6 9 8 5 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 20 20 40 70 40 20 10 5 40 40 80 80 40 40 5 5 5
PRECIP TYPE
6 HOUR QPF 0.00 0.05 0.05 0.00 0.01 0.10 0.04 0.00
12 HOUR QPF 0.05 0.05 0.11 0.04
LOW END QPF 0.00 0.00 0.03 0.00
HIGH END QPF 0.08 0.07 0.17 0.04
6 HOUR SNOW 0.0 0.7 0.7 0.0 0.2 1.2 0.5 0.0
12 HOUR SNOW 0.7 0.7 1.4 0.5
LOW END SNOW 0.0 0.0 0.2 0.0
HIGH END SNOW 1.1 0.9 1.8 0.5
SNOW LEVEL (KFT) 3.9 4.6 5.5 6.2 6.5 6.2 5.9 5.6 5.5 6.0 6.6 7.0 7.2 6.7 6.2 5.7 5.3
SNOW DENSITY (%) 5 5 6 6 7 6 6 6 6 6 7 9 9 7 7 7 7
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK OV OV OV OV BK BK BK SC FW
CLOUD COVER (%) 55 55 65 80 70 65 55 55 70 70 85 85 70 65 50 35 20
TEMPERATURE 15 24 30 34 33 27 25 24 23 29 33 35 33 28 26 23 21
MAX/MIN TEMP 36 23 36 21
WIND DIR W W W W W W W W W NW N N N N SW SW SW
WIND (MPH) 10 10 13 13 12 9 8 9 9 6 9 10 10 6 6 6 8
WIND GUST (MPH) 27 34 34 33 26 28
PRECIP PROB (%) 20 10 40 70 40 20 20 10 40 40 80 80 40 40 5 5 5
PRECIP TYPE
6 HOUR QPF 0.00 0.04 0.04 0.00 0.02 0.12 0.06 0.00
12 HOUR QPF 0.04 0.04 0.14 0.06
LOW END QPF 0.00 0.00 0.04 0.00
HIGH END QPF 0.07 0.07 0.22 0.07
6 HOUR SNOW 0.0 0.5 0.4 0.0 0.3 1.2 0.6 0.0
12 HOUR SNOW 0.5 0.4 1.5 0.6
LOW END SNOW 0.0 0.0 0.2 0.0
HIGH END SNOW 0.7 0.7 2.0 0.6
SNOW LEVEL (KFT) 3.9 4.7 5.4 6.2 6.5 6.1 5.8 5.6 5.6 6.0 6.5 6.9 7.0 6.6 6.1 5.5 5.1
SNOW DENSITY (%) 6 6 7 8 8 8 7 7 7 8 8 10 10 9 8 8 8
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK OV OV BK SC SC FW FW
CLOUD COVER (%) 50 50 60 65 60 60 50 50 60 60 75 75 55 50 25 25 25
TEMPERATURE 16 25 33 36 36 29 26 25 23 29 37 39 38 30 26 23 21
MAX/MIN TEMP 38 23 40 21
WIND DIR W W W W W W W W W W NW N N N NE NE NE
WIND (MPH) 4 5 10 10 9 5 4 3 3 3 6 8 8 5 4 4 4
WIND GUST (MPH) 24 29 32 32 23 20 21 25 27
PRECIP PROB (%) 10 10 30 40 30 20 5 5 30 30 60 60 20 20 0 0 0
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.04 0.04 0.00 0.00 0.07 0.02 0.00
12 HOUR QPF 0.04 0.04 0.07 0.02
LOW END QPF 0.00 0.00 0.01 0.00
HIGH END QPF 0.07 0.06 0.14 0.03
6 HOUR SNOW 0.0 0.5 0.4 0.0 0.1 0.5 0.2 0.0
12 HOUR SNOW 0.5 0.4 0.6 0.2
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 0.7 0.6 0.9 0.2
SNOW LEVEL (KFT) 4.1 4.8 5.5 6.3 6.6 6.3 6.0 5.7 5.6 6.0 6.6 7.0 7.2 6.8 6.3 5.8 5.4
SNOW DENSITY (%) 6 6 7 9 9 8 7 7 7 7 10 12 12 11 9 9 8
..CRAZY MOUNTAINS
DATE TUESDAY 04/28/26 WEDNESDAY 04/29/26
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 BK BK BK BK OV BK OV OV BK SC SC FW FW
CLOUD COVER (%) 55 55 65 70 60 55 55 60 75 70 80 80 55 50 30 20 15
TEMPERATURE 22 28 34 37 37 31 29 28 28 34 38 39 38 33 29 27 26
MAX/MIN TEMP 39 27 41 25
WIND DIR W W W W NW NW W W W W NW N N NE N NW W
WIND (MPH) 10 13 17 18 17 10 8 8 8 8 10 11 12 9 8 6 8
WIND GUST (MPH) 32 37 39 37 28 29
PRECIP PROB (%) 10 20 40 50 30 20 10 5 40 40 70 70 20 20 0 0 5
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.01 0.05 0.04 0.00 0.02 0.13 0.04 0.00
12 HOUR QPF 0.06 0.04 0.15 0.04
LOW END QPF 0.00 0.00 0.02 0.00
HIGH END QPF 0.08 0.06 0.19 0.04
6 HOUR SNOW 0.1 0.4 0.3 0.0 0.2 0.6 0.2 0.0
12 HOUR SNOW 0.5 0.3 0.8 0.2
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.5 1.1 0.2
SNOW LEVEL (KFT) 4.3 4.8 5.5 6.1 6.3 6.1 5.9 5.8 5.8 6.0 6.3 6.6 6.7 6.2 5.8 5.2 4.9
SNOW DENSITY (%) 7 7 8 10 11 11 10 9 9 9 10 12 14 12 11 10 9
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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