371
FOUS55 KGGW 171840
PFMGGW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GLASGOW MT
1240 PM MDT SUN MAY 17 2026
MTZ017-172200-
GLASGOW-VALLEY MT
48.22N 106.61W ELEV. 2293 FT
1240 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 31 48 27 63
TEMP 50 48 41 38 35 32 37 42 45 47 41 36 30 29 41 53 60 63
DEWPT 41 38 39 36 33 30 31 33 32 31 32 32 28 27 31 32 31 29
RH 71 68 92 92 92 92 79 70 60 53 70 85 92 92 67 44 33 27
WIND DIR NW NW NW NW NW NW N N N N NE NE NE E SE S S SE
WIND SPD 18 19 17 14 13 13 13 11 11 11 5 4 4 4 4 6 6 9
CLOUDS B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 SC FW FW SC
POP 12HR 60 40 20 5 0
QPF 12HR 0.01 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 39 68 38 69 41 70 42 78
TEMP 46 39 65 65 48 41 64 66 50 44 65 68 51 44 71 76
DEWPT 30 29 39 36 40 37 38 34 38 37 40 36 40 38 40 37
PWIND DIR SE W NW NW NE S NE SE
WIND CHAR GN GN GN GN LT GN GN GN
AVG CLOUDS SC B1 B1 B1 B1 SC SC SC B1 B2 B2 SC B1 SC SC FW
POP 12HR 0 30 20 10 5 20 10 5
RAIN SHWRS C S S S
TSTMS S S
MTZ020-172200-
WOLF POINT-WESTERN ROOSEVELT MT
48.10N 105.58W ELEV. 1985 FT
1240 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 32 49 28 64
TEMP 53 51 44 40 35 33 39 44 47 47 41 36 31 29 40 53 61 63
DEWPT 40 38 38 38 34 31 32 32 31 30 31 31 29 27 29 31 29 28
RH 61 61 79 92 96 92 76 62 53 51 67 82 92 92 64 43 29 26
WIND DIR NW NW NW NW NW N N N N N NE NE N NE SE S S SE
WIND SPD 14 12 11 9 9 10 10 10 11 10 5 3 1 1 1 1 4 5
CLOUDS B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW FW
POP 12HR 50 60 30 10 0
QPF 12HR 0.01 0.02 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C S C C
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 36 72 38 70 40 73 41 80
TEMP 44 38 68 67 49 41 66 68 50 43 67 71 51 44 73 78
DEWPT 27 25 36 35 40 38 37 34 38 38 39 37 41 39 40 37
PWIND DIR SE SW NW NW NE E NE SE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 SC B1 SC B1 B1 B2 B1 B1 SC SC SC
POP 12HR 5 20 10 10 10 20 20 5
RAIN SHWRS S S S S
TSTMS S S
MTZ022-172200-
JORDAN-GARFIELD MT
47.33N 106.95W ELEV. 2661 FT
1240 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 30 48 26 65
TEMP 53 50 41 37 34 32 36 42 46 46 40 34 29 27 41 56 63 64
DEWPT 36 37 35 34 32 30 30 30 29 29 31 31 28 26 27 29 28 28
RH 52 61 79 89 92 92 79 62 51 51 70 89 96 96 57 35 26 25
WIND DIR NW NW NW NW NW NW NW N N N N N N S S S SW S
WIND SPD 19 18 16 12 11 12 11 11 12 9 2 0 0 1 2 3 5 5
WIND GUST 31 29 26 19
CLOUDS B1 B2 B1 B1 B2 OV OV OV OV B2 B1 SC FW SC FW SC SC SC
POP 12HR 40 10 20 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 38 69 38 68 41 70 41 78
TEMP 45 39 66 64 46 41 64 66 48 43 66 68 48 44 72 76
DEWPT 27 26 35 36 39 38 35 34 36 36 37 37 39 38 38 37
PWIND DIR S W NW NW SE W W S
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 SC B1 SC B1 B1 B2 SC SC SC SC FW
POP 12HR 0 20 20 10 10 20 10 5
RAIN SHWRS S S S S
TSTMS S S
MTZ024-172200-
SIDNEY-RICHLAND MT
47.70N 104.20W ELEV. 1985 FT
1240 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 34 48 30 61
TEMP 53 52 45 42 39 36 39 43 46 46 42 38 34 31 40 51 58 60
DEWPT 41 39 39 39 37 34 34 35 33 32 32 33 32 29 30 30 29 28
RH 64 61 79 89 92 92 82 73 60 58 67 82 92 92 67 44 33 29
WIND DIR NW N N NW NW N N N N N N N N N NW NW NW E
WIND SPD 12 11 8 5 6 9 9 11 13 10 6 4 3 2 2 3 3 4
CLOUDS OV B2 B2 OV B2 OV OV OV OV B2 OV OV B2 OV B1 SC SC FW
POP 12HR 40 30 30 30 5
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S S S C
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 35 73 40 70 40 72 43 79
TEMP 43 37 69 68 49 44 65 68 50 44 67 71 53 46 72 77
DEWPT 27 24 34 35 39 39 38 35 38 38 40 37 40 40 41 37
PWIND DIR SE S NW NW E SE SE S
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 B1 B1 SC SC B1 B2 B1 B1 SC SC FW
POP 12HR 0 10 20 10 5 30 20 10
RAIN SHWRS S C S
TSTMS S
MTZ025-172200-
GLENDIVE-DAWSON MT
47.13N 104.80W ELEV. 2457 FT
1240 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 59 34 48 30 62
TEMP 58 55 46 42 39 36 39 44 46 46 42 38 34 31 41 51 59 61
DEWPT 41 40 39 38 37 33 34 35 34 33 33 34 32 30 32 31 30 28
RH 53 57 76 86 92 89 82 70 63 60 70 85 92 96 70 46 33 28
WIND DIR NW NW NW NW NW NW NW N N N N N N NW NW W W SE
WIND SPD 20 18 12 11 11 11 11 12 13 11 6 4 3 2 2 3 4 4
CLOUDS B1 B1 B2 B2 B2 B2 OV B2 OV OV OV OV OV B2 SC SC FW FW
POP 12HR 5 20 30 20 0
QPF 12HR 0 0 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C S
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 37 72 41 69 42 72 43 78
TEMP 44 38 69 68 50 43 65 68 51 44 67 70 52 45 72 77
DEWPT 27 25 35 36 39 39 38 36 38 38 40 38 41 40 41 38
PWIND DIR SE SW NW NW NE SW SW S
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC SC FW
POP 12HR 0 10 20 10 5 30 20 5
RAIN SHWRS S S C S
TSTMS S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page