Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
540 AM MDT Sat Jul 18 2026

MTZ017-182200-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
540 AM MDT Sat Jul 18 2026

Date             Sat 07/18/26            Sun 07/19/26            Mon 07/20/26
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                      93          67          94          62          85
Temp             68 74 83 91 92 82 74 69 67 78 87 92 92 79 70 64 62 70 80 84 84
Dewpt            55 57 62 63 65 65 63 61 61 61 53 46 46 48 50 51 52 54 56 55 55
RH               63 55 49 40 41 56 69 76 81 56 31 21 21 34 49 63 70 57 44 37 37
Wind dir         SE SE  S SE SE SE  E  E NW NW  W  W NW NW  N NW NW NW NW NW  N
Wind spd         10 10 11 11  9  6  6  5  5 11 14 17 14 10  8  5 10 17 19 20 18
Wind gust                                      25 27 25                   31
Clouds           B2 B1 SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW CL FW FW SC
PoP 12hr                     30          10          20           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  S                 S
Tstms                                     S


Date               Tue 07/21/26  Wed 07/22/26  Thu 07/23/26  Fri 07/24/26
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            60    84      62    89      64    89      65    92
Temp          67   60 77 83 69   63 83 87 72   65 84 87 72   65 85 90
Dewpt         56   56 57 54 55   55 56 55 57   58 58 57 58   58 59 57
PWind dir           N     E       E    SE       E    SE       E    SE
Wind char          GN    LT      GN    LT      GN    LT      GN    GN
Avg clouds    SC   SC B1 B1 SC   SC SC FW FW   SC B1 SC SC   SC SC FW
PoP 12hr            0     0       5     5      20    10      20    10
Rain shwrs                                      S        S    S
Tstms                                           S        S    S

$$
MTZ020-182200-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
540 AM MDT Sat Jul 18 2026

Date             Sat 07/18/26            Sun 07/19/26            Mon 07/20/26
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                      94          65          96          62          87
Temp             67 75 85 91 91 80 73 68 67 79 90 94 92 78 70 65 62 72 82 86 84
Dewpt            54 57 61 63 64 65 62 61 61 62 59 49 48 50 50 52 51 54 57 55 56
RH               63 54 45 40 41 60 68 78 81 56 35 22 22 37 49 63 67 53 43 35 38
Wind dir          E SE SE SE SE SE  E NE  W  W  W  W  W NW  N NW NW NW NW NW  N
Wind spd          5  6 10 11 10  6  4  1  3  8 13 16 12  6  6  4  9 13 18 19 17
Wind gust                                      24    23                   29 27
Clouds           B2 B1 B1 FW FW FW FW B1 B1 SC SC FW FW FW FW FW FW CL CL FW SC
PoP 12hr                     20           5          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Tue 07/21/26  Wed 07/22/26  Thu 07/23/26  Fri 07/24/26
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            59    85      60    90      63    89      64    92
Temp          67   60 78 82 68   62 84 88 71   64 84 87 71   65 86 90
Dewpt         57   56 57 54 55   55 57 55 58   58 60 57 58   58 60 57
PWind dir           N     E       E     E       E     E       E    SE
Wind char          GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    SC   SC B1 B1 SC   SC SC FW FW   SC SC SC SC   SC SC FW
PoP 12hr            0     0       5     5      10    10      20     5
Rain shwrs                                               S    S
Tstms                                                    S    S

$$
MTZ022-182200-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
540 AM MDT Sat Jul 18 2026

Date             Sat 07/18/26            Sun 07/19/26            Mon 07/20/26
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                      94          66          94          62          86
Temp             67 76 86 92 94 83 74 70 67 79 89 92 93 81 72 66 62 72 81 84 85
Dewpt            56 59 62 63 62 63 63 60 58 59 54 48 46 51 50 48 49 52 53 51 51
RH               68 56 45 38 35 51 69 71 73 50 30 22 20 35 46 52 62 49 38 32 31
Wind dir         SE SE SE SE  E  E SE  W  W NW NW NW NW NW NW NW NW NW NW NW  N
Wind spd          5  6  8  8  6  3  2  2  5  9 10 10  9  4  4  3  4 11 13 16 14
Wind gust                                         21 19                24 26
Clouds           OV B1 FW FW FW FW FW SC SC SC FW FW FW SC FW FW SC CL CL FW FW
PoP 12hr                     30           5          10           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C
Tstms


Date               Tue 07/21/26  Wed 07/22/26  Thu 07/23/26  Fri 07/24/26
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            59    85      61    91      63    91      65    94
Temp          68   60 78 84 69   63 85 90 72   65 87 90 73   66 89 93
Dewpt         56   54 55 52 54   53 55 54 56   56 58 54 56   56 58 54
PWind dir          NE     E       E    SE       E    SE       E     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   SC B1 SC SC   SC B1 FW FW   SC B1 SC SC   SC SC FW
PoP 12hr            0     0      10     5      10    10      20    10
Rain shwrs                                                    S
Tstms                                                         S

$$
MTZ024-182200-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
540 AM MDT Sat Jul 18 2026

Date             Sat 07/18/26            Sun 07/19/26            Mon 07/20/26
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                      92          64          97          62          87
Temp             65 77 85 90 91 81 74 68 65 78 93 95 94 80 70 65 62 72 83 86 85
Dewpt            55 59 57 59 60 59 58 57 57 62 64 58 55 55 53 52 52 55 57 56 57
RH               70 54 39 35 36 47 57 68 75 58 38 29 27 42 55 63 70 55 41 36 39
Wind dir          S  S SE SE SE SE  S  S SW  W NW NW NW NW NW NW NW NW NW NW  N
Wind spd          4  9 12 14 12  9  5  4  3  5 10 13 11  5  5  4  5 14 20 21 20
Wind gust                                      21 25 21             25 33 34 31
Clouds           B1 SC B1 SC FW FW FW FW SC FW SC B1 FW FW FW FW SC CL CL FW FW
PoP 12hr                      5          20          10           5           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S
Tstms                               S


Date               Tue 07/21/26  Wed 07/22/26  Thu 07/23/26  Fri 07/24/26
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            58    84      59    90      61    89      62    92
Temp          67   59 79 82 67   61 85 88 70   62 85 87 71   63 87 91
Dewpt         57   56 57 54 54   54 56 55 57   57 59 57 58   57 60 57
PWind dir           N    NE       E    SE       E     E       E    SE
Wind char          GN    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW   SC B1 B1 SC   SC SC FW FW   FW SC SC SC   SC B1 SC
PoP 12hr            0     0       5     5      10    10      20    10
Rain shwrs                                               S
Tstms                                                    S

$$
MTZ025-182200-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
540 AM MDT Sat Jul 18 2026

Date             Sat 07/18/26            Sun 07/19/26            Mon 07/20/26
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                      94          66          98          63          88
Temp             67 75 84 92 92 82 75 69 66 79 93 96 95 81 72 66 63 73 84 88 86
Dewpt            54 57 60 63 63 62 60 58 59 62 62 58 55 54 52 50 51 53 56 55 54
RH               63 54 44 38 38 51 60 68 78 56 36 28 26 39 49 56 65 49 38 33 34
Wind dir         SE SE SE SE SE SE SE  S SW  W NW  N  N  N NW NW NW NW NW NW NW
Wind spd          4  9 11 13 11  6  4  3  3  4 10 11 10  5  6  5  4 11 18 19 18
Wind gust                                      20 21                      29
Clouds           B2 SC B1 SC FW FW SC SC SC FW SC FW FW FW SC FW SC CL CL CL FW
PoP 12hr                     20          10          10          10           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S


Date               Tue 07/21/26  Wed 07/22/26  Thu 07/23/26  Fri 07/24/26
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            59    85      61    90      63    91      64    94
Temp          68   60 78 84 69   63 85 89 72   64 86 89 73   65 88 92
Dewpt         55   55 57 54 53   53 57 55 55   56 59 56 56   57 60 57
PWind dir           N    NE       E    SE       E     E       E    SE
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   SC SC SC SC   SC SC FW FW   SC SC SC SC   B1 SC FW
PoP 12hr            0     0       5     5      10    10      20    10
Rain shwrs                                               S
Tstms                                                    S

$$