675
FOUS55 KBYZ 170821
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
120 AM MST WED DEC 17 2025
MTZ235-172300-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
120 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 54 27 41 33 55
TEMP 44 46 48 52 45 39 35 34 31 28 28 34 39 38 35 35 40 46 47 53 51 43
DEWPT 33 33 34 37 23 15 14 14 14 14 16 18 19 21 18 17 22 27 29 34 33 33
RH 65 60 58 56 41 37 41 43 49 55 60 51 44 50 49 47 48 47 49 48 50 67
WIND DIR SW SW SW W W W W W W W SW SW S S S SW SW SW SW SW W NW
WIND SPD 18 21 27 32 42 43 39 34 27 18 10 9 9 8 12 16 21 21 21 18 14 11
WIND GUST 39 44 59 60 55 48 39
CLOUDS B1 OV B1 B1 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 SHWRS S C C C D
SNOWSHWRS S D
WIND CHILL 27 22 21 18
MIN CHILL 27 21 18 18 29 25 27
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 34 29 35 35 27 26 34 36 31 35 41 41 35 31 37 36
DEWPT 26 20 23 22 18 17 23 25 23 27 31 33 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 SHWRS D S S S
SNOWSHWRS D C S S S S
MTZ065-172300-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
120 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 47 50 49 46 37 33 32 31 30 27 28 34 38 39 39 37 43 46 45 49 49 43
DEWPT 29 32 31 34 13 8 10 12 11 8 11 13 17 20 22 21 26 29 29 31 29 29
RH 49 50 50 63 37 34 39 45 44 44 48 41 42 46 50 52 51 51 53 50 46 57
WIND DIR SW SW SW W W W W W W SW SW SW SW SW SW SW SW SW SW SW W W
WIND SPD 51 56 56 47 48 47 40 34 29 21 17 18 21 21 28 29 32 32 28 26 24 19
WIND GUST 72 74 74 65 67 65 62 54 42 32 32 35 46 49 51 51 49 44 37 32
CLOUDS B2 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 SHWRS S C C C C C C D D D
SNOWSHWRS C C C C C S S
WIND CHILL 22 17 16 15 15 14 16 23 28 27 24
MIN CHILL 17 15 14 15 25 24 26
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 26 39 22 43 31 50 30 46
TEMP 36 30 35 34 27 25 36 39 35 39 44 44 37 33 40 42
DEWPT 23 17 19 15 13 13 20 24 24 29 33 31 26 23 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 SHWRS D S C C C C C S S
SNOWSHWRS D C S S C C S S
MTZ032-172300-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
120 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 48 11 32 26 48
TEMP 36 35 39 45 46 39 35 29 18 13 14 22 30 29 29 28 32 35 39 46 45 37
DEWPT 34 32 35 38 37 22 20 18 9 6 8 12 17 20 19 17 22 26 29 36 34 29
RH 92 89 85 76 71 50 54 63 67 73 76 65 58 69 66 63 66 69 67 68 65 72
WIND DIR S S S SW W W W NW NW NW NW W S SE SE S S SW SW W W NW
WIND SPD 10 12 12 16 29 36 42 46 34 21 11 5 5 8 9 10 10 12 13 14 13 10
WIND GUST 41 51 59 63 48 33
CLOUDS SC 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 SHWRS C C S S
SNOWSHWRS S S L
WIND CHILL 28 21 12 -1 -3 3
MIN CHILL 29 30 28 12 -3 0 18 19 20 28 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 28 22 27 28 25 22 30 30 26 27 37 36 30 25 32 33
DEWPT 24 17 19 21 19 16 21 22 19 23 30 31 27 22 26 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
SNOWSHWRS L C
MTZ033-172300-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
120 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 33 35 37 46 46 38 32 25 13 7 8 16 23 22 20 20 25 31 35 45 44 36
DEWPT 30 29 29 35 35 25 19 18 6 -1 2 6 10 13 13 10 15 21 26 32 31 28
RH 89 78 72 65 65 59 58 74 73 69 76 64 57 68 74 64 65 66 69 60 60 72
WIND DIR SW S S S W W W W NW NW NW W W S S SE S S SW W W W
WIND SPD 13 16 16 21 31 35 44 48 41 31 20 11 10 8 11 14 16 14 14 18 17 13
WIND GUST 43 49 63 67 57 47 27
CLOUDS SC 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 C C
SNOWSHWRS S C S C
OBVIS BS BS
WIND CHILL 25 17 7 -9-15-10 3 12 7 6 12 20
MIN CHILL 21 25 25 7 -15 -14 6 6 7 22 27
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 26 18 26 26 22 20 33 29 24 26 38 35 28 24 33 31
DEWPT 22 15 16 19 17 15 21 21 18 22 29 30 25 21 25 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
SNOWSHWRS C C
WYZ199-172300-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
120 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 40 40 44 56 52 39 32 30 26 22 23 33 35 33 28 27 33 40 45 54 54 45
DEWPT 31 30 32 37 35 21 9 8 8 9 13 13 13 15 15 15 21 26 26 30 29 27
RH 70 67 62 49 52 48 37 39 46 57 65 43 40 47 58 60 61 57 47 40 38 49
WIND DIR S SE SE SW NW NW NW NW NW NW NW NW SE SE S SW SW W W W W W
WIND SPD 11 13 26 36 40 46 43 37 37 27 11 4 5 5 8 10 13 16 18 16 14 10
WIND GUST 36 51 56 64 60 52 52 41 26 28 25
CLOUDS B1 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 SHWRS C L
SNOWSHWRS C S
WIND CHILL 28 18 15 10 7
MIN CHILL 28 15 7 10 27 18 19
HIGH WIND W 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 30 26 34 31 23 21 36 34 26 31 45 42 32 28 40 39
DEWPT 28 22 23 21 17 14 23 25 23 25 33 34 29 26 30 31
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 SHWRS L
SNOWSHWRS L L C S
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