497
FOUS55 KMSO 180802
PFMMSO
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MISSOULA MT
102 AM MST THU DEC 18 2025
MTZ005-182300-
MISSOULA-MISSOULA MT
46.92N 114.08W ELEV. 3205 FT
102 AM MST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 40 32 42 25 36
TEMP 31 29 29 32 35 36 37 39 38 38 37 36 35 32 30 30 28 26 28 32 36 34
DEWPT 24 24 24 25 27 31 34 36 35 36 33 29 24 22 21 21 20 20 22 23 24 24
RH 75 81 81 75 72 82 89 89 89 92 85 75 64 66 69 69 71 78 78 69 61 66
WIND DIR SW SE SE SE SE SE SE SE S NW W W W W SW SW SW SW SW SW SW SW
WIND SPD 6 3 3 5 9 10 12 13 12 12 11 12 14 11 10 9 8 8 8 10 12 9
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1
POP 12HR 80 100 80 50 50
QPF 12HR 0.02 0.22 0.13 0.02 0.02
SNOW 12HR 00-00 00-00 T
RAIN D D D D D
SNOW S C D L L C C C C C C C C S
WIND CHILL 24 26 28 29 29 31 30 30 29 28 25 23 21 22 20 18 20 24 28 27
MIN CHILL 24 25 27 29 26 28 23 21 18 18 26
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 22 36 30 40 26 38 25 41
TEMP 28 24 28 36 35 31 36 38 33 28 32 35 30 26 32 40
DEWPT 21 19 23 28 31 31 31 30 28 27 27 28 25 26 29 31
PWIND DIR S SE SE SW S S SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2
POP 12HR 20 40 50 50 30 20 10 20
RAIN C C C C C C S S S
SNOW S S C S S S
MTZ003-182300-
KALISPELL-FLATHEAD MT
48.30N 114.27W ELEV. 2977 FT
102 AM MST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 38 28 38 25 34
TEMP 29 28 29 33 35 34 33 38 36 34 32 34 34 31 28 28 27 26 28 32 34 32
DEWPT 24 24 26 28 29 31 32 38 34 29 24 22 20 20 21 22 22 21 23 25 25 25
RH 81 85 88 82 78 89 96100 92 82 72 61 56 63 75 78 81 81 81 75 69 75
WIND DIR S S S S S S S S SW SW SW W W SW SW SW SW SW SW SW SW SW
WIND SPD 8 5 6 6 9 10 12 13 16 17 16 13 13 10 9 9 9 10 11 12 13 10
WIND GUST 25 29 29 26
CLOUDS B1 B2 OV OV OV OV OV OV B2 B1 B1 SC SC SC SC B2 B2 B2 B2 OV OV B2
POP 12HR 70 100 40 60 80
QPF 12HR 0.06 0.25 0.01 0.01 0.02
SNOW 12HR T T T
RAIN D D L
SNOW S L D D C C S S S S L L D D D D C
WIND CHILL 21 22 22 27 28 26 24 30 26 23 21 25 25 22 19 19 18 16 18 23 25 24
MIN CHILL 21 22 26 24 20 21 22 19 16 16 23
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 24 35 28 37 26 38 22 35
TEMP 30 26 31 33 31 29 34 36 30 29 34 34 26 23 30 32
DEWPT 26 23 28 28 30 29 31 30 27 27 28 28 24 23 27 28
PWIND DIR S SE S S S S E N
WIND CHAR GN LT LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B2 B2 B2
POP 12HR 50 50 70 50 40 30 20 30
RAIN L L C C C
SNOW C C S C L L C C C C C S C C
MTZ007-182300-
BUTTE-SILVER BOW MT
45.95N 112.50W ELEV. 5550 FT
102 AM MST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 38 30 43 17 31
TEMP 25 22 23 28 31 35 35 37 37 38 38 38 34 30 26 23 20 18 19 27 30 28
DEWPT 12 12 13 15 19 25 28 30 29 30 30 31 26 19 14 12 9 8 10 15 14 13
RH 57 65 65 58 61 66 75 75 72 73 73 76 72 63 60 62 62 64 67 60 51 53
WIND DIR W W S SW S S SW SW W W W W W W W W W W SW SW W SW
WIND SPD 9 3 3 5 10 10 13 13 13 13 12 14 17 13 12 10 9 6 6 10 13 9
WIND GUST 24 27 27 25 25 27
CLOUDS B1 B2 B2 B2 OV OV OV B2 B2 OV OV OV OV B1 B1 FW SC SC SC FW FW FW
POP 12HR 40 70 90 30 5
QPF 12HR 0 0.07 0.20 0.03 0
SNOW 12HR 00-00 T 2
RAIN L C D
SNOW S C C L S D D D C C
WIND CHILL 16 22 22 27 26 28 28 30 30 29 23 19 15 12 9 9 10 17 19 19
MIN CHILL 15 17 20 26 23 29 19 12 7 8 18
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 16 36 28 40 23 38 25 42
TEMP 20 19 29 35 33 29 37 37 29 26 33 35 31 27 37 39
DEWPT 10 10 21 24 26 27 30 24 21 21 25 24 24 25 29 28
PWIND DIR SW S S SW SW S S S
WIND CHAR LT LT GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B2 B2 B2 B1 B1 SC B1 B1 B2 B1 B2 B1
POP 12HR 0 10 20 30 20 10 5 10
RAIN S C S
SNOW S C S S
IDZ010-182300-
SALMON-LEMHI ID
45.12N 113.88W ELEV. 4045 FT
102 AM MST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 40 31 47 17 34
TEMP 26 23 24 30 36 37 37 39 38 38 39 43 41 36 31 25 22 18 19 27 33 29
DEWPT 18 16 18 21 26 30 33 36 33 33 35 38 34 29 23 17 15 13 15 20 19 17
RH 71 74 77 69 67 75 85 89 82 82 85 82 76 75 72 71 74 80 84 74 56 60
WIND DIR W SE E S S SE SE S SW SW SW SW W NW NW NW W SW SW SW SW S
WIND SPD 3 2 3 5 9 10 12 12 12 11 11 11 13 10 9 5 4 4 3 5 6 5
WIND GUST 23 26 28 27 26 24 23 27 25 20
CLOUDS B2 B2 OV OV OV OV OV B2 B2 OV OV OV OV B2 B1 SC SC SC SC SC FW FW
POP 12HR 90 100 100 40 5
QPF 12HR 0.03 0.15 0.14 0.04 0
SNOW 12HR T 00-00 00-00
RAIN D D D D D D D S
SNOW C L D S D D C C
WIND CHILL 24 29 30 29 31 30 31 32 37 33 29 23 18 16 11 20 27 23
MIN CHILL 22 20 26 28 27 31 29 18 11 11 23
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 17 40 30 43 24 40 25 44
TEMP 20 20 33 38 35 31 39 39 32 28 32 39 31 26 36 41
DEWPT 13 17 29 30 31 31 33 30 27 26 28 28 26 26 32 31
PWIND DIR S S S SW SW S S S
WIND CHAR LT LT GN LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B1
POP 12HR 5 30 40 40 20 10 10 20
RAIN C C C C S S S S
SNOW S C
MTZ004-182300-
LOOKOUT PASS-MINERAL MT
47.45N 115.67W ELEV. 6027 FT
102 AM MST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 32 18 25 18 22
TEMP 22 21 22 21 21 26 30 32 28 24 22 20 18 17 20 21 20 19 22 20 19 20
DEWPT 20 19 20 19 21 26 30 32 28 24 18 16 14 15 17 18 18 17 19 20 19 19
RH 92 92 92 92100100100100100100 84 84 84 92 88 88 92 92 88100100 96
WIND DIR SW SW SW S S SW SW SW W W W W W SW SW SW SW SW SW SW SW SW
WIND SPD 16 12 10 10 11 17 25 28 28 25 20 16 14 16 19 20 20 19 18 17 16 14
WIND GUST 39 39 35
CLOUDS OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B2 B2 OV OV OV OV OV OV B2
POP 12HR 100 100 70 90 100
QPF 12HR 0.31 1.15 0.18 0.11 0.12
SNOW 12HR 5 12 3
SNOW S S C D D D D D L L C C L L D D D D D D C
OBVIS BS BS BS BS BS BS BS BS BS BS
WIND CHILL 8 9 11 10 9 13 16 18 12 8 7 6 4 2 4 5 4 3 7 5 4 6
MIN CHILL 8 10 9 15 4 6 2 3 3 4 4
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 17 29 23 27 22 26 21 27
TEMP 22 19 19 27 29 25 24 22 24 24 24 22 23 22 23 24
DEWPT 18 15 18 23 26 25 23 22 21 21 20 20 20 20 22 24
PWIND DIR S S SW SW SW SW S SE
WIND CHAR BZ GN GN GN GN LT LT LT
AVG CLOUDS B2 B1 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B2
POP 12HR 50 80 80 70 60 40 40 50
SNOW C C C D D D L L L C C C C C C C
IDZ006-182300-
LOWELL-IDAHO ID
46.15N 115.60W ELEV. 1575 FT
1202 AM PST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
PST 3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 43 36 44 28 40
TEMP 34 32 32 34 38 40 40 42 42 42 39 39 37 34 32 31 30 29 30 35 40 36
DEWPT 30 29 29 32 38 40 40 42 41 42 39 39 36 33 30 28 27 26 27 31 31 31
RH 85 88 88 92100100100100 96100100100 96 96 92 88 88 88 88 85 70 82
WIND DIR SE N E SE SE SE S S SW W W W W W SW SW SW SW S S SW S
WIND SPD 1 0 1 2 2 3 4 4 3 3 2 3 3 2 2 2 1 1 2 2 3 2
WIND GUST 16 19 17 14 13
CLOUDS B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC
POP 12HR 100 100 100 70 60
QPF 12HR 0.40 0.61 0.68 0.09 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN L D D D D D D D S D L C C S
SNOW L S S D D L L L L L L C
WINTER WEATH Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
PST 6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 25 41 35 42 31 43 33 44
TEMP 28 27 35 40 39 36 39 39 35 33 37 40 35 34 39 41
DEWPT 25 25 34 40 39 36 38 37 33 32 35 37 34 34 38 39
PWIND DIR SE SE S S SE SE SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 20 70 80 70 40 30 30 50
RAIN S S C L L D L C C C C C S C C C
SNOW S S C
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