128
FOUS55 KBYZ 171104
PFMBYZ
FOUS55 KBYZ 171104
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
404 AM MST WED DEC 17 2025
MTZ235-172300-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
404 AM MST WED DEC 17 2025
DATE WED 12/17/25 THU 12/18/25 FRI 12/19/25
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 55 27 41 33 55
TEMP 48 48 53 47 39 36 36 32 29 29 35 39 37 35 35 40 46 47 53 51 43
DEWPT 34 34 37 24 14 14 15 14 14 17 18 19 20 18 18 22 28 29 36 34 34
RH 58 58 54 40 35 40 42 47 53 60 49 44 50 49 49 48 49 49 52 52 70
WIND DIR SW SW W W W W W W W SW SW S S S SW SW SW SW SW W NW
WIND SPD 21 27 32 42 43 39 34 27 18 10 9 9 8 17 20 25 26 27 18 14 11
WIND GUST 39 44 59 60 55 48 39 35 36 39
CLOUDS OV B1 B2 FW FW SC FW FW FW B1 B1 B2 OV B2 B2 B2 B1 B2 B1 B2 B2
POP 12HR 60 0 0 5 50
QPF 12HR 0.03 0 0 0 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN C C D
RAIN SHWRS S L
SNOW S D
WIND CHILL 25 22 22 18 16 24
MIN CHILL 25 22 16 19 31 24 25
HIGH WIND W W W W W W
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25
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 26 41 23 41 28 46 27 42
TEMP 35 30 36 35 27 26 34 36 31 36 40 40 34 31 37 38
DEWPT 27 21 23 21 18 17 23 24 22 26 28 32 28 25 30 29
PWIND DIR NW W SW SW SW SW W SW
WIND CHAR GN GN GN LT LT GN GN LT
AVG CLOUDS B2 B2 B1 SC SC SC B1 B1 B2 B1 B2 B1 B1 B2 B2 B1
POP 12HR 80 20 10 10 10 20 20 10
RAIN D S S S
SNOW D C S S S S
MTZ065-172300-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
404 AM MST WED DEC 17 2025
DATE WED 12/17/25 THU 12/18/25 FRI 12/19/25
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 52 26 43 34 51
TEMP 52 50 47 38 33 33 32 31 28 29 35 38 39 39 37 43 46 45 49 49 44
DEWPT 30 29 34 11 7 10 13 12 10 12 14 18 20 23 21 26 29 28 31 30 30
RH 43 44 60 32 33 38 45 45 46 48 41 44 46 52 52 51 51 51 50 48 57
WIND DIR SW SW W W W W W W SW SW SW SW SW SW SW SW SW SW SW W W
WIND SPD 56 56 47 48 47 40 34 29 21 17 18 21 36 42 44 48 49 42 29 24 19
WIND GUST 74 74 65 67 65 62 54 42 32 28 32 51 59 63 67 69 59 44 37 32
CLOUDS B2 B2 B2 SC SC B1 B1 SC B1 B1 B2 B2 OV B2 B2 B2 B2 B2 OV B2 OV
POP 12HR 90 5 30 50 80
QPF 12HR 0.10 0 0 0.01 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C D D D
RAIN SHWRS C
SNOW C C C C S S
SNOWSHWRS C
WIND CHILL 23 16 17 16 16 14 17 24 26 26 22 30
MIN CHILL 16 15 14 16 26 22 24
HIGH WIND W W W W W W
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25
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 26 39 22 43 31 50 30 46
TEMP 36 30 36 34 28 26 36 38 37 40 45 45 38 34 41 42
DEWPT 23 18 19 14 14 13 20 24 26 30 32 31 27 25 28 27
PWIND DIR W W SW SW SW SW SW SW
WIND CHAR BZ BZ GN GN GN BZ GN GN
AVG CLOUDS OV B2 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1
POP 12HR 80 20 10 20 30 40 30 20
RAIN D S C C C C C S S
SNOW D C S S C C S S
MTZ032-172300-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
404 AM MST WED DEC 17 2025
DATE WED 12/17/25 THU 12/18/25 FRI 12/19/25
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 49 11 32 26 48
TEMP 37 39 46 46 40 35 29 18 12 15 22 30 29 29 28 32 35 39 46 45 37
DEWPT 33 35 39 38 22 21 18 10 5 8 12 17 19 20 17 22 25 29 34 31 29
RH 85 85 76 73 48 56 63 70 73 73 65 58 66 69 63 66 66 67 63 58 72
WIND DIR S S SW W W W NW NW NW NW W S SE SE S S SW SW W W NW
WIND SPD 12 12 16 29 36 42 46 34 21 11 5 5 8 10 11 12 16 16 14 13 10
WIND GUST 41 51 59 63 48 33
CLOUDS B1 OV OV B2 SC B2 B2 B1 B1 FW SC SC B2 OV OV OV OV B2 B2 B2 OV
POP 12HR 60 30 0 10 20
QPF 12HR 0.07 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN S S
RAIN SHWRS C L
SNOW S L
SNOWSHWRS S S C S
WIND CHILL 27 20 11 -3 -6 1
MIN CHILL 29 29 27 11 -6 -3 19 18 20 26 30
HIGH WIND W W W W W W
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25
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 18 33 19 36 23 41 22 37
TEMP 29 22 28 28 23 22 30 30 27 27 35 36 30 25 32 34
DEWPT 24 17 20 19 17 17 20 21 21 23 29 30 26 22 27 28
PWIND DIR NW W SW S SE SW NW E
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS OV B2 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1
POP 12HR 60 10 10 0 10 10 10 5
SNOW L C
MTZ033-172300-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
404 AM MST WED DEC 17 2025
DATE WED 12/17/25 THU 12/18/25 FRI 12/19/25
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 49 5 25 17 47
TEMP 35 38 47 47 39 34 29 15 7 9 17 22 21 20 20 25 31 35 45 44 35
DEWPT 30 30 32 33 23 20 20 8 0 3 7 10 11 10 10 15 21 25 32 31 27
RH 82 73 56 58 52 56 69 73 72 76 64 59 65 64 64 65 66 66 60 60 72
WIND DIR S S S W W W W NW NW NW W W S S SE S S SW W W W
WIND SPD 16 16 21 31 35 44 48 41 31 20 11 10 8 13 18 18 18 18 18 17 13
WIND GUST 43 49 63 67 57 47 27
CLOUDS B1 B1 B2 OV SC B2 OV OV B1 SC FW SC B1 B2 OV B2 OV B2 B2 B2 OV
POP 12HR 80 60 0 10 10
QPF 12HR 0.09 0.05 0 0 0
SNOW 12HR 00-00 1 00-00
RAIN SHWRS L L
SNOW C
SNOWSHWRS S S L L
OBVIS BS
WIND CHILL 26 18 10 -8-16-11 4 11 6 4 11 19 24
MIN CHILL 25 26 26 10 -16 -13 7 4 6 21 26
HIGH WIND W W W W W W
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25
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 13 30 15 37 20 40 19 37
TEMP 25 17 27 27 21 20 33 28 25 27 35 35 27 24 34 33
DEWPT 20 12 17 18 16 15 21 20 19 23 27 29 24 21 26 26
PWIND DIR NW W SW S SE SW W S
WIND CHAR GN GN LT GN GN GN LT LT
AVG CLOUDS OV B2 B1 SC SC SC SC SC B1 B1 B2 B1 B2 B1 B1 B1
POP 12HR 50 10 10 0 5 5 10 5
SNOW C C
WYZ199-172300-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
404 AM MST WED DEC 17 2025
DATE WED 12/17/25 THU 12/18/25 FRI 12/19/25
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 60 20 37 25 56
TEMP 41 44 56 53 39 33 30 27 23 24 33 35 32 28 27 33 40 45 54 54 46
DEWPT 30 32 34 32 22 9 8 9 9 13 13 14 15 15 16 21 26 26 30 29 28
RH 65 62 43 44 50 36 39 46 54 62 43 41 49 58 63 61 57 47 40 38 49
WIND DIR SE SE SW NW NW NW NW NW NW NW NW SE SE S SW SW W W W W W
WIND SPD 13 26 36 40 46 43 37 37 27 11 4 5 5 11 14 20 23 25 16 14 10
WIND GUST 36 51 56 64 60 52 52 41 35 28 25
CLOUDS B2 B2 B1 B1 SC SC SC FW FW SC B1 B1 B2 B2 B2 B2 B2 B1 B1 SC B2
POP 12HR 50 10 0 0 10
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN L
RAIN SHWRS S
SNOW S
SNOWSHWRS C
WIND CHILL 25 17 13 9 5 13 16 21
MIN CHILL 31 25 13 5 9 26 16 17
HIGH WIND W W W W W W W
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25
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 38 17 41 24 50 26 46
TEMP 31 26 34 30 23 20 36 33 28 31 45 42 32 29 42 38
DEWPT 29 22 22 21 17 13 22 23 24 27 31 34 29 26 31 30
PWIND DIR NW W SW S SW SW W S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 OV B2 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 70 40 10 5 5 5 10 5
RAIN L
SNOW L L C S
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