586
FWUS45 KTFX 242201
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT SUN MAY 24 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC FW FW FW FW SC FW OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 35 35 20 10 15 20 30 25 75 85 65 55 65 55 80 80 85
TEMPERATURE 58 53 49 46 45 53 60 65 65 58 54 51 49 54 61 60 56
MIN/MAX TEMP 44 66 49 63
WIND DIR SW SW SW SW SW SW SW SW S SE S SW SW W N NE W
WIND (MPH) 21 14 12 12 12 13 16 16 10 6 8 8 8 5 8 9 9
WIND GUST (MPH) 46 33 31 34 34 27
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 5 0 0 0 0 70 70 80
PRECIP TYPE R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.14
12 HOUR QPF 0.00 0.00 0.00 0.14
LOW END QPF 0.00 0.00 0.00 0.06
HIGH END QPF 0.00 0.14 0.04 0.53
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) 9.2 9.0 8.5 8.4 8.4 8.5 9.4 10.5 11.0 11.0 11.0 11.0 10.7 10.6 10.7 10.9 11.1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW SC FW FW FW FW FW FW OV OV BK SC SC FW OV OV OV
CLOUD COVER (%) 20 30 15 10 5 10 15 15 90 85 55 50 40 25 75 75 85
TEMPERATURE 59 52 47 44 42 52 63 67 65 56 52 49 47 55 63 62 56
MIN/MAX TEMP 42 68 47 65
WIND DIR W W W SW SW SW SW S S S S SW W W E SE NW
WIND (MPH) 17 10 9 9 8 6 10 10 8 6 5 5 4 3 8 8 8
WIND GUST (MPH) 42 28 28 31 29 25
PRECIP PROB (%) 0 0 0 0 0 0 0 0 30 5 0 0 0 0 70 70 80
PRECIP TYPE R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.12
12 HOUR QPF 0.00 0.00 0.01 0.12
LOW END QPF 0.00 0.00 0.00 0.05
HIGH END QPF 0.00 0.20 0.03 0.44
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) 9.5 9.0 8.7 8.8 8.8 9.0 9.8 10.9 11.3 11.3 11.3 11.1 11.0 10.7 10.9 11.1 11.3
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..NEVADA MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW FW FW OV OV SC SC SC FW BK BK OV
CLOUD COVER (%) 10 15 10 5 5 10 10 25 90 85 50 35 35 25 70 70 80
TEMPERATURE 66 59 52 48 46 55 67 71 69 61 57 54 51 56 66 67 62
MIN/MAX TEMP 45 73 50 69
WIND DIR W W W SW SW S S S S SE S S SW S SE SE W
WIND (MPH) 14 8 6 6 5 4 8 9 8 5 5 5 4 4 8 9 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 20 10 0 0 0 0 50 50 70
PRECIP TYPE R R R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.07
12 HOUR QPF 0.00 0.00 0.02 0.07
LOW END QPF 0.00 0.00 0.00 0.03
HIGH END QPF 0.00 0.17 0.03 0.38
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) 9.9 9.4 10.0 9.9 9.4 9.2 9.8 11.1 11.5 11.5 11.4 11.2 11.0 10.7 10.8 11.2 11.4
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..ELKHORN/BOULDER MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC FW FW FW FW FW FW SC OV OV SC SC SC SC BK OV OV
CLOUD COVER (%) 30 15 10 10 10 20 15 40 90 85 40 35 45 35 65 80 85
TEMPERATURE 66 56 49 46 44 55 66 69 67 58 53 50 48 57 67 66 60
MIN/MAX TEMP 43 71 47 68
WIND DIR W NW W SW SW S S S S SE S S S SE SE SE S
WIND (MPH) 11 6 5 4 5 5 10 11 10 8 8 8 6 8 12 13 10
WIND GUST (MPH) 31 31 25 28 28 25 25 34 31
PRECIP PROB (%) 0 0 0 0 0 0 0 5 30 30 0 0 0 0 50 50 70
PRECIP TYPE R R R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.05
12 HOUR QPF 0.00 0.00 0.01 0.05
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.00 0.16 0.02 0.34
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) 10.4 10.3 10.5 10.4 10.0 9.7 10.3 11.3 11.7 11.7 11.4 11.2 11.0 10.7 10.9 11.2 11.5
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..BIG BELT MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW FW FW OV OV BK SC SC SC BK OV OV
CLOUD COVER (%) 15 10 10 10 10 10 10 15 80 85 65 30 40 30 65 75 80
TEMPERATURE 68 60 53 50 48 57 68 72 72 64 58 55 53 62 71 71 65
MIN/MAX TEMP 47 73 53 73
WIND DIR W NW W S S S SW S S SE SE SE SE SE SE SE S
WIND (MPH) 12 6 5 5 5 6 9 9 10 10 10 9 9 8 11 11 10
WIND GUST (MPH) 31 29 27 26 29 29
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 0 0 0 0 50 50 70
PRECIP TYPE R R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.05
12 HOUR QPF 0.00 0.00 0.02 0.05
LOW END QPF 0.00 0.00 0.00 0.03
HIGH END QPF 0.00 0.10 0.02 0.27
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) 10.1 9.8 10.2 10.3 10.1 9.8 9.9 10.9 11.6 11.6 11.5 11.2 11.0 10.7 10.9 11.3 11.7
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..LITTLE BELT MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW CL FW FW BK OV BK SC SC FW BK BK OV
CLOUD COVER (%) 15 10 15 10 10 5 15 15 60 80 70 35 35 25 55 55 75
TEMPERATURE 68 57 50 48 47 60 69 72 72 62 57 55 53 65 73 74 70
MIN/MAX TEMP 46 73 53 75
WIND DIR W NW W SW SW S SW SW S S S S S S SE SE SE
WIND (MPH) 11 4 4 4 5 4 8 8 9 9 9 8 8 6 10 12 11
WIND GUST (MPH) 25 26 26 25 29 31
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 10 0 0 0 0 20 20 70
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.01
12 HOUR QPF 0.00 0.00 0.02 0.01
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.00 0.07 0.03 0.17
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) 10.1 10.0 10.1 10.1 10.1 10.1 10.5 10.9 11.7 11.7 11.5 11.1 11.1 10.7 11.1 11.5 11.8
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..HIGHWOOD MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW CL FW FW BK OV OV SC SC FW SC SC OV
CLOUD COVER (%) 10 15 10 15 15 5 5 20 70 80 70 40 30 25 45 45 80
TEMPERATURE 69 62 56 53 51 62 71 75 75 68 63 60 58 67 75 77 73
MIN/MAX TEMP 51 75 58 78
WIND DIR W W W SW SW SW SW S SE S S S S SE SE E SE
WIND (MPH) 17 10 9 9 9 6 6 8 12 11 11 9 8 6 10 14 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 0 0 5 0 0 20 20 70
PRECIP TYPE R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00
12 HOUR QPF 0.00 0.00 0.02 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.00 0.05 0.04 0.21
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) 9.6 9.6 9.3 9.7 9.9 9.8 10.0 10.9 11.4 11.7 11.5 11.2 11.0 10.8 11.1 11.5 11.7
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..SNOWY/JUDITH MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC FW FW FW FW FW FW FW SC BK BK SC SC SC SC SC BK
CLOUD COVER (%) 30 20 20 15 10 5 5 25 40 65 60 30 40 25 30 45 70
TEMPERATURE 71 60 55 53 50 65 74 77 76 67 62 59 56 70 79 81 78
MIN/MAX TEMP 49 78 55 82
WIND DIR NW NW W SW SW S S S SE SE S S S S SE SE SE
WIND (MPH) 9 4 5 4 4 3 6 9 9 10 10 9 8 6 10 14 14
WIND GUST (MPH) 26 26 28 28 26 32 34
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 10 0 0 0 0 5 5 50
PRECIP TYPE T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.00 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.00 0.02 0.00 0.12
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) 10.1 10.1 10.3 10.4 10.4 10.5 10.6 11.2 11.8 11.8 11.5 11.3 11.0 10.9 11.2 11.6 12.1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..BEARS PAW MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC FW FW FW CL FW FW OV OV SC SC FW FW SC BK
CLOUD COVER (%) 30 35 35 10 10 10 5 10 20 75 75 35 30 15 20 40 65
TEMPERATURE 72 62 57 52 51 65 74 78 78 68 64 61 60 71 82 84 81
MIN/MAX TEMP 50 79 59 85
WIND DIR W W W W SW SW SW SW SE SE SE SE SE SE SE SE SE
WIND (MPH) 13 5 5 4 4 6 10 8 9 11 11 10 9 9 11 14 16
WIND GUST (MPH) 27
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 50
PRECIP TYPE R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.00 0.00 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.00 0.01 0.02 0.17
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) 9.8 9.5 9.2 8.8 8.9 9.5 9.7 9.9 11.2 11.5 11.6 11.4 11.1 11.0 11.0 11.5 11.8
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..CASTLE/CRAZY MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW FW FW BK OV BK SC SC SC BK BK OV
CLOUD COVER (%) 20 15 10 10 10 10 15 20 55 80 60 30 45 35 60 65 75
TEMPERATURE 68 58 51 48 46 58 68 72 71 61 56 53 51 62 71 72 67
MIN/MAX TEMP 46 73 51 73
WIND DIR W N SE S S SW SW SW S S S SE SE SE SE SE S
WIND (MPH) 13 5 3 3 4 5 10 10 10 9 9 8 6 6 11 14 11
WIND GUST (MPH) 31 28 34 28
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 0 0 0 0 40 40 60
PRECIP TYPE R R R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
12 HOUR QPF 0.00 0.00 0.00 0.01
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.00 0.05 0.01 0.20
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) 10.5 10.3 10.5 10.5 10.6 10.4 10.5 11.1 11.9 11.8 11.5 11.2 11.0 10.7 11.1 11.7 11.9
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..BRIDGER RANGE
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW FW SC OV OV BK SC SC SC BK OV OV
CLOUD COVER (%) 20 20 10 10 10 15 15 30 70 75 55 30 50 45 70 75 75
TEMPERATURE 68 58 52 48 46 57 68 71 70 60 55 52 51 61 70 70 63
MIN/MAX TEMP 46 72 50 72
WIND DIR W NW SW SW S SW SW SW SE SE SE SE SE SE SE SE SW
WIND (MPH) 10 3 3 3 4 4 8 6 9 9 10 9 9 9 10 11 8
WIND GUST (MPH) 28 26 29 29 27 26 27
PRECIP PROB (%) 0 0 0 0 0 0 5 0 10 20 0 0 0 0 50 50 50
PRECIP TYPE R R R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.05
12 HOUR QPF 0.00 0.00 0.02 0.05
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.00 0.07 0.03 0.26
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) 10.6 10.5 10.7 10.8 10.6 10.3 10.4 11.3 11.9 11.8 11.5 11.3 10.9 10.8 11.0 11.6 11.8
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..MADISON RANGE/SPANISH PEAKS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC FW FW FW FW FW SC BK SC SC SC SC SC OV OV OV
CLOUD COVER (%) 45 45 25 15 20 20 20 35 55 45 35 35 45 40 70 75 75
TEMPERATURE 61 53 47 43 41 52 63 65 64 55 50 47 45 55 63 61 56
MIN/MAX TEMP 41 66 45 64
WIND DIR SW S S S S S SW S S SE SE SE SE SE S S S
WIND (MPH) 11 6 8 8 6 6 10 11 11 10 11 11 10 10 14 11 9
WIND GUST (MPH) 28 27 29 32 28 31 31 29 31 37 29
PRECIP PROB (%) 5 0 0 0 0 0 0 5 10 0 0 0 0 0 50 50 50
PRECIP TYPE T R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08
12 HOUR QPF 0.00 0.00 0.00 0.08
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.03 0.05 0.02 0.28
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) 11.3 11.2 11.3 11.1 10.7 10.6 11.1 11.7 11.9 11.7 11.4 11.1 11.0 10.8 11.2 11.6 11.8
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC FW FW FW FW FW SC BK BK SC SC BK SC OV OV OV
CLOUD COVER (%) 45 35 20 15 20 20 25 50 65 50 35 35 60 50 75 80 80
TEMPERATURE 63 55 48 44 42 53 66 68 65 56 50 47 45 55 67 64 58
MIN/MAX TEMP 41 69 45 68
WIND DIR W S S S S SW SW SW S S S S S SE S S S
WIND (MPH) 11 6 8 6 6 6 9 10 9 10 11 10 10 9 12 11 9
WIND GUST (MPH) 27 31
PRECIP PROB (%) 5 0 0 0 0 0 5 10 10 10 0 0 0 0 60 60 60
PRECIP TYPE T R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.09
12 HOUR QPF 0.00 0.00 0.00 0.09
LOW END QPF 0.00 0.00 0.00 0.03
HIGH END QPF 0.01 0.08 0.01 0.28
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) 11.2 11.1 11.2 11.1 10.7 10.7 11.0 11.8 11.9 11.8 11.4 11.0 10.9 10.8 11.2 11.7 11.8
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..LIONHEAD RANGE
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC FW FW FW SC SC BK SC FW SC SC SC OV OV OV
CLOUD COVER (%) 45 45 30 25 15 25 30 30 55 40 25 35 30 40 70 75 75
TEMPERATURE 64 54 47 42 38 52 68 71 68 57 49 45 41 56 67 63 59
MIN/MAX TEMP 38 73 41 69
WIND DIR SW S S S S S SW S SE SE SE SE E SE S S SW
WIND (MPH) 10 6 4 4 3 2 9 10 9 8 6 5 5 4 11 8 5
WIND GUST (MPH) 28
PRECIP PROB (%) 10 5 0 0 0 0 0 5 5 0 0 0 0 0 60 60 40
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08
12 HOUR QPF 0.00 0.00 0.00 0.08
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.07 0.04 0.03 0.28
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) 11.5 11.5 11.4 11.0 11.0 10.8 11.2 11.7 11.7 11.7 11.3 11.0 11.2 10.9 11.3 11.6 11.7
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..TOBACCO ROOT MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC FW FW FW FW FW SC BK BK SC SC OV SC OV OV OV
CLOUD COVER (%) 30 25 10 15 15 15 15 45 70 60 50 40 70 45 70 80 85
TEMPERATURE 63 54 48 45 43 53 63 66 63 54 51 49 47 57 64 62 56
MIN/MAX TEMP 43 67 47 64
WIND DIR W NW S SW SW SW SW S SW S S S S SE S S SE
WIND (MPH) 13 5 5 5 5 5 9 11 11 10 11 11 10 9 16 16 11
WIND GUST (MPH) 26 29 29 28 31 28 33 41 36
PRECIP PROB (%) 0 0 0 0 0 0 0 5 30 10 0 0 0 0 60 60 60
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.04
12 HOUR QPF 0.00 0.00 0.01 0.04
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.01 0.13 0.04 0.28
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) 10.9 10.8 11.0 10.7 10.2 10.0 10.6 11.6 11.8 11.7 11.4 11.3 11.0 10.8 11.1 11.4 11.6
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC FW FW FW SC SC BK BK SC SC SC SC BK BK OV
CLOUD COVER (%) 45 35 30 20 15 15 25 40 60 50 40 30 50 35 60 70 75
TEMPERATURE 65 55 49 45 42 54 67 68 66 57 52 49 47 58 65 64 59
MIN/MAX TEMP 42 69 46 66
WIND DIR SW S S S S S S S S SE SE SE SE SE S S SE
WIND (MPH) 13 6 8 6 5 6 12 18 16 13 13 12 12 18 25 21 14
WIND GUST (MPH) 31 32 31 42 49 43
PRECIP PROB (%) 5 0 0 0 0 0 0 5 20 0 0 0 0 0 40 40 30
PRECIP TYPE T R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.04
12 HOUR QPF 0.00 0.00 0.00 0.04
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.03 0.07 0.04 0.23
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) 11.3 11.1 11.1 10.7 10.4 10.3 11.2 11.7 11.9 11.6 11.4 11.1 11.0 10.7 11.0 11.2 11.3
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..CENTENNIAL MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC BK SC SC FW SC SC SC BK SC SC SC SC SC BK OV OV
CLOUD COVER (%) 45 55 35 30 15 30 30 30 60 50 30 35 40 35 65 70 75
TEMPERATURE 63 55 49 44 41 53 64 67 66 58 52 48 45 56 62 61 57
MIN/MAX TEMP 41 68 45 64
WIND DIR SW S SE S S S S S S SE SE SE SE SE S S SE
WIND (MPH) 12 10 8 6 6 6 14 17 16 12 11 11 12 14 20 16 12
WIND GUST (MPH) 39
PRECIP PROB (%) 5 5 0 0 0 0 0 0 10 0 0 0 0 0 40 40 20
PRECIP TYPE T R T T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06
12 HOUR QPF 0.00 0.00 0.00 0.06
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.05 0.05 0.04 0.28
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) 11.5 11.4 11.4 11.0 10.8 10.6 11.2 11.7 11.8 11.6 11.3 11.0 11.1 10.7 11.0 11.3 11.3
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..ANACONDA/HIGHLAND RANGES
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW FW BK OV OV SC SC SC SC OV OV OV
CLOUD COVER (%) 20 15 10 10 20 10 20 60 80 75 35 40 35 30 80 90 80
TEMPERATURE 64 55 48 43 41 52 65 68 63 56 51 47 45 52 62 59 54
MIN/MAX TEMP 41 68 44 63
WIND DIR W NW W SW SW S S S SE SE SE E E E S SE N
WIND (MPH) 11 5 3 3 4 5 10 12 10 8 6 4 4 4 10 12 10
WIND GUST (MPH) 29 35 36
PRECIP PROB (%) 0 0 0 0 0 0 0 20 20 10 0 0 10 10 80 80 60
PRECIP TYPE T T R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.11
12 HOUR QPF 0.00 0.00 0.00 0.11
LOW END QPF 0.00 0.00 0.00 0.04
HIGH END QPF 0.00 0.19 0.06 0.37
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) 10.8 10.6 10.5 10.1 9.5 9.9 10.8 11.4 11.7 11.6 11.3 11.1 11.0 10.5 10.8 11.0 11.0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..PIONEER MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC FW FW FW FW FW SC OV OV BK SC SC SC SC OV OV OV
CLOUD COVER (%) 30 20 15 10 15 10 30 70 80 60 40 45 30 30 75 80 80
TEMPERATURE 64 55 48 43 41 53 65 67 63 56 51 48 45 54 62 61 56
MIN/MAX TEMP 41 67 45 63
WIND DIR W W SW SW SW SW S S S SE S S SE SE SE S E
WIND (MPH) 11 5 4 4 4 5 11 13 10 8 8 8 8 9 17 16 11
WIND GUST (MPH) 31 31 27 27 33 41 39
PRECIP PROB (%) 0 0 0 0 0 0 0 40 20 20 0 0 5 5 70 70 60
PRECIP TYPE R T R R R R
6 HOUR QPF 0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.06
12 HOUR QPF 0.00 0.01 0.01 0.06
LOW END QPF 0.00 0.01 0.00 0.04
HIGH END QPF 0.00 0.17 0.06 0.27
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) 10.9 10.6 10.6 10.2 9.5 10.0 11.0 11.6 11.8 11.6 11.3 11.2 11.0 10.6 10.9 11.0 11.0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..BEAVERHEAD/TENDOY MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW SC BK OV BK BK SC SC SC OV OV OV
CLOUD COVER (%) 25 25 25 20 15 15 40 60 70 55 50 35 50 30 70 75 70
TEMPERATURE 64 54 47 43 40 54 65 65 63 55 50 47 45 55 62 61 56
MIN/MAX TEMP 40 67 44 63
WIND DIR W SW SW SW SW S S S S S SE SE SE SE S S SE
WIND (MPH) 13 8 5 5 5 6 14 17 14 12 13 13 13 16 24 20 16
WIND GUST (MPH) 33 34 36 37 35 37 37 41 49 56 50 37
PRECIP PROB (%) 0 0 0 0 0 0 5 30 20 5 0 0 5 5 50 50 50
PRECIP TYPE R T R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 HOUR QPF 0.00 0.00 0.00 0.03
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.01 0.12 0.03 0.25
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) 11.1 10.7 10.6 10.3 9.9 10.4 11.2 11.7 11.8 11.5 11.3 11.2 11.0 10.5 10.8 10.8 10.8
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC FW FW FW FW SC OV OV FW SC SC SC OV OV OV
CLOUD COVER (%) 35 35 40 15 25 15 20 40 80 75 25 30 45 40 70 70 70
TEMPERATURE 53 44 39 36 34 45 57 59 56 47 42 40 38 49 60 58 52
MIN/MAX TEMP 34 60 38 61
WIND DIR W SW S S SW S SW SW SE SE SE SE SE SE SE SE S
WIND (MPH) 9 6 6 6 6 5 9 9 8 8 8 6 6 4 8 8 5
WIND GUST (MPH)
PRECIP PROB (%) 20 5 0 0 0 0 10 20 20 0 0 0 0 0 60 60 50
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06
12 HOUR QPF 0.00 0.00 0.00 0.06
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.05 0.12 0.01 0.23
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) 11.4 11.4 11.3 11.2 10.9 10.9 11.4 11.9 11.8 11.7 11.6 11.2 11.2 11.0 11.7 11.9 12.0
SNOW DENSITY (%) 0 0 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC FW FW FW SC SC OV OV SC SC BK SC BK BK OV
CLOUD COVER (%) 40 35 30 20 20 20 25 45 85 80 30 35 65 50 65 65 70
TEMPERATURE 58 50 46 44 43 53 61 63 60 52 49 48 46 56 63 63 58
MIN/MAX TEMP 43 64 46 65
WIND DIR W SW SW SW SW SW SW SW S S SW S SW S E SE S
WIND (MPH) 10 10 13 13 13 8 10 9 9 12 12 11 10 5 10 12 10
WIND GUST (MPH) 28 32 32 31 25 26 31 31 29 28 31 34 32
PRECIP PROB (%) 10 0 0 0 0 0 10 20 20 5 0 0 0 0 50 50 50
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03
12 HOUR QPF 0.00 0.00 0.00 0.03
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.03 0.13 0.01 0.19
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) 11.2 11.2 11.2 11.1 10.8 10.8 11.2 11.8 11.9 11.5 11.4 11.2 11.1 11.0 11.5 11.9 12.1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER SC SC SC FW FW FW FW SC OV BK SC SC SC SC OV OV OV
CLOUD COVER (%) 45 40 30 20 20 20 20 40 70 55 30 35 45 40 75 75 75
TEMPERATURE 61 52 46 41 39 51 64 67 64 55 48 45 43 54 66 63 57
MIN/MAX TEMP 39 68 42 67
WIND DIR SW SW S S S S SW SW S SE SE SE SE SE S S S
WIND (MPH) 11 6 6 6 6 5 9 10 9 8 8 8 6 6 10 10 8
WIND GUST (MPH) 33 26 26 27 27 28 29 32 28 31 31 29 31 37 31 31
PRECIP PROB (%) 10 0 0 0 0 0 5 10 10 0 0 0 0 0 60 60 50
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08
12 HOUR QPF 0.00 0.00 0.00 0.08
LOW END QPF 0.00 0.00 0.00 0.02
HIGH END QPF 0.03 0.09 0.01 0.25
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) 11.3 11.3 11.3 11.1 10.8 10.8 11.3 11.8 11.8 11.7 11.4 11.1 11.1 10.9 11.4 11.8 11.9
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
..CRAZY MOUNTAINS
DATE MONDAY 05/25/26 TUESDAY 05/26/26
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P
CLOUD COVER FW FW FW FW FW FW FW SC BK OV BK FW SC SC BK BK OV
CLOUD COVER (%) 25 25 10 15 10 10 20 25 60 70 60 20 45 45 60 60 75
TEMPERATURE 64 55 50 47 46 56 64 68 66 57 53 51 50 60 67 69 63
MIN/MAX TEMP 45 69 49 69
WIND DIR W NW SW SW SW SW SW SW SE S S S S SE SE SE S
WIND (MPH) 13 5 5 5 6 6 10 9 10 9 8 8 6 6 11 16 12
WIND GUST (MPH) 31 27 26 31 35 29
PRECIP PROB (%) 0 0 0 0 0 0 5 10 20 10 0 0 0 0 40 40 60
PRECIP TYPE R R R T R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
12 HOUR QPF 0.00 0.00 0.00 0.01
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.00 0.05 0.00 0.22
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) 10.6 10.6 10.7 10.9 10.8 10.5 10.8 11.5 11.9 11.8 11.5 11.1 10.9 10.8 11.1 11.7 12.0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page