Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
205 PM MDT Wed Jun 19 2024

MTZ312-201000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      40          74          50          77          50
Temp          64 67 58 48 44 41 51 65 72 72 65 57 53 51 58 71 76 72 64 56 52 51
Dewpt         39 42 44 43 40 37 40 44 44 45 49 48 47 45 47 53 54 52 54 53 50 48
RH            40 40 59 83 86 85 66 46 37 38 56 72 80 80 67 53 46 49 70 90 93 89
Wind dir       E NE  E  E SW SW  W NE  E  E  E  E SE SW  N NE NE  N NE  E SW SW
Wind spd       4  5  6  5  3  3  2  5  6 10  8  5  4  3  4  6  6  9  6  5  4  4
Clouds        SC FW FW CL FW FW FW FW FW FW SC SC B2 B2 SC B2 B2 B1 B1 FW FW SC
PoP 12hr                     10          10          10          60          30
QPF 12hr                      0        0.02           0        0.14        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S                                      S  S  L  L  C  C
Tstms          S                                      S  S  C  C  C  C


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          83      54    92      54    84      50    81      52    78
Temp          74 82 63   55 85 88 64   55 78 81 59   50 71 80 60   52 70 76
Dewpt         49 44 48   44 50 43 42   36 33 30 38   37 37 38 42   39 39 41
PWind dir         W       E    SW       W    SW      NW     W      NE     W
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          0       0     5       5     0       0     5      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ303-201000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      37          72          45          73          45
Temp          62 65 55 47 41 37 51 65 70 70 63 52 48 46 57 68 71 69 61 53 48 45
Dewpt         37 39 39 40 37 35 38 41 39 40 42 42 42 42 45 49 51 49 49 49 46 43
RH            39 38 55 76 85 92 61 41 32 33 46 69 80 86 64 51 49 49 65 86 93 93
Wind dir      SW NE  E  S NW NW SE SE SE SE SE  E NE  N  E  E SE NE NE SW SW  W
Wind spd       3  5  4  3  2  2  3 10 10  9  5  5  2  3  4  9  8  9  5  4  4  4
Clouds        B1 SC SC FW FW FW CL SC SC FW FW SC B1 B2 SC B2 B2 SC SC FW FW SC
PoP 12hr                     20          20          10          70          20
QPF 12hr                   0.01        0.01           0        0.05        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  S                 S  S              S  S  L  L  S  S
Tstms          S  S                    S              S  S  C  C  S  S


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          81      51    84      51    76      46    76      49    73
Temp          73 80 60   52 80 81 59   51 71 74 54   47 67 74 56   49 67 71
Dewpt         42 41 45   42 45 40 34   30 31 32 35   35 36 38 39   38 37 39
PWind dir        SW       S    SW       W     W       W     W       W     W
Wind char        LT      GN    GN      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC SC SC   SC FW FW CL   FW FW FW FW   SC SC SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       5    10      10    20
Rain shwrs                                                                S

$$
MTZ319-201000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      44          79          53          83          53
Temp          69 69 63 53 48 44 54 68 77 77 70 61 56 53 61 75 81 79 71 63 56 54
Dewpt         36 36 38 39 36 35 38 39 37 35 39 43 43 43 46 49 49 48 47 49 45 43
RH            30 30 39 59 63 70 54 34 24 22 32 51 62 69 58 40 33 34 42 60 66 66
Wind dir       E  E  S  W  W  W  N NE NE NE NE  W  W  W NE NE  N  N NW  W SW SW
Wind spd       2  4  3  2  2  1  1  3  5  8  5  3  2  1  1  4  6  9  5  3  2  2
Wind gust     12
Clouds        B1 SC SC CL FW FW SC SC FW SC SC SC B1 B1 SC B1 B1 FW FW FW FW FW
PoP 12hr                     20          10           5          40          10
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  S                                         C  C
Tstms          C  S                                         C  C


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          88      58    94      57    88      54    87      55    83
Temp          76 87 67   59 86 89 69   58 80 84 64   55 76 85 66   56 75 77
Dewpt         45 42 43   41 48 43 43   40 39 35 34   33 37 38 38   37 40 37
PWind dir         W      SW    SW       W     W       W     W       W     W
Wind char        LT      LT    LT      GN    GN      GN    LT      GN    GN
Avg clouds    FW FW FW   FW FW FW FW   CL CL CL FW   FW FW FW FW   FW FW SC
PoP 12hr          0       0     5       5     5       0     5      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ326-201000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      38          76          47          80          49
Temp          67 70 60 50 43 39 51 65 74 75 65 57 51 48 58 70 78 79 68 59 52 50
Dewpt         35 35 38 37 36 34 36 39 38 38 44 45 45 44 47 51 50 50 50 49 47 46
RH            30 27 44 61 76 82 56 38 27 26 46 64 80 86 67 51 37 36 52 69 83 86
Wind dir      NW  N NE  S  S  S NW NW  N  E  E  E  E SE  E  W NW  N NE SE SE SE
Wind spd       3  3  4  5  4  3  1  1  2  4  6  8  5  3  2  2  3  5  5  4  2  2
Clouds        FW FW FW FW CL FW SC FW FW FW FW SC SC B1 SC B1 B1 FW FW FW FW FW
PoP 12hr                      5           5           5          30          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  S  S
Tstms                                                       C  C  S  S


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          85      52    92      54    88      50    86      51    82
Temp          74 84 63   52 84 88 66   54 80 85 62   51 76 82 61   51 74 76
Dewpt         48 46 46   43 50 47 47   44 49 44 42   39 43 42 43   41 44 42
PWind dir        SW      SE    SW      SW    SW      NE     W      NE     W
Wind char        LT      LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    CL FW FW   FW CL FW FW   FW CL FW FW   CL CL FW SC   FW FW SC
PoP 12hr          0       0     5       5    10       5     5       5    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ330-201000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      29          71          38          75          40
Temp          62 64 52 40 32 29 45 64 70 71 59 47 41 38 53 70 75 73 62 51 43 40
Dewpt         21 21 27 26 25 24 26 23 23 26 35 37 37 36 38 36 36 35 42 42 40 39
RH            20 19 38 57 75 81 47 21 17 18 40 68 85 92 57 29 24 25 48 71 89 96
Wind dir      SW SW SW NE  E SE  N  W SW SW NE NE NE  E  E SW  W  W NW NE NE  N
Wind spd       5  5  1  2  1  1  1  2  3  3  2  2  2  1  1  4  6  6  2  2  1  0
Wind gust                                                        17
Clouds        FW CL FW FW FW SC FW FW SC SC SC B1 B1 SC SC B1 SC SC SC SC FW FW
PoP 12hr                      0           5           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Tstms                                                       S  S


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          79      44    83      47    82      45    79      46    75
Temp          72 78 54   45 79 82 59   47 77 81 57   45 74 78 56   46 71 73
Dewpt         38 37 41   38 39 37 43   40 38 35 41   38 34 31 37   38 34 33
PWind dir        SW       S     S      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    CL FW FW   FW CL FW FW   FW CL FW FW   FW CL FW FW   FW FW FW
PoP 12hr          0       0     5       5    10       5     5       5    10

$$
MTZ328-201000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      37          74          44          81          47
Temp          66 68 58 48 42 37 49 65 71 74 63 54 47 45 55 70 78 80 68 57 50 47
Dewpt         27 25 32 31 31 30 32 34 29 29 33 35 36 35 40 44 38 36 41 41 40 39
RH            23 20 37 51 65 75 52 31 21 19 32 48 65 68 57 39 24 20 37 55 68 74
Wind dir      SW  W NE NE  S  S  W  N  N NE NE  E  S  S  W NW  W NW  N  N SW  S
Wind spd       5  5  5  5  4  3  2  3  5  6  6  6  5  4  2  3  6 10  8  6  5  4
Clouds        FW FW FW FW CL FW FW CL FW FW SC SC SC SC SC FW FW FW FW FW FW CL
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          86      53    89      53    87      50    85      50    81
Temp          75 85 63   53 84 87 64   53 80 86 60   50 77 84 59   50 74 78
Dewpt         42 37 39   39 42 36 41   40 37 31 34   35 35 32 35   37 36 34
PWind dir        SW       S    SW      SW    SW       W    SW       W    SW
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    CL FW FW   CL CL FW FW   CL CL CL CL   CL CL FW FW   FW FW FW
PoP 12hr          0       0     5       5     0       0     5       5    10

$$
MTZ305-201000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      43          78          52          77          50
Temp          65 68 61 51 46 45 59 70 76 75 65 57 54 53 61 72 75 71 63 55 52 51
Dewpt         42 43 44 44 42 41 46 47 46 47 49 50 49 49 53 55 56 56 55 55 52 50
RH            43 40 53 77 86 86 62 44 34 37 56 77 83 86 75 55 52 59 75100100 96
Wind dir      SW  W  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E NE NW  W  W
Wind spd       3  3  2  4  3  3  5  9  9 10  8  8  6  8  9 11 10  9  5  5  4  4
Clouds        SC FW FW FW FW FW CL FW SC SC SC SC B2 B2 B1 B2 B2 B2 B2 SC SC SC
PoP 12hr                     10          10          20          80          60
QPF 12hr                      0           0        0.01        0.17        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S                          S  S        C  C  D  D  L  L  S  S
Tstms          S                          S  S        S  S  C  C  C  C  S  S


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          81      56    90      56    82      51    79      53    78
Temp          72 80 62   57 82 86 65   57 77 79 59   52 73 77 60   53 71 74
Dewpt         54 51 51   50 57 54 46   40 40 39 42   41 45 44 47   46 47 46
PWind dir         W      SE     S       W     W       W     W      NE    NW
Wind char        LT      LT    LT      GN    BZ      GN    GN      GN    GN
Avg clouds    SC FW SC   SC FW FW FW   FW FW FW FW   SC SC SC SC   SC SC SC
PoP 12hr          5       0     5      10     0       5    10      20    20
Rain shwrs                                                     S    S     S
Tstms                                                                     S

$$
MTZ314-201000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
205 PM MDT Wed Jun 19 2024

Date           06/19/24      Thu 06/20/24            Fri 06/21/24            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      40          71          48          73          48
Temp          64 65 55 47 43 41 55 67 69 69 60 54 51 49 60 69 72 68 61 55 51 49
Dewpt         42 44 45 42 39 36 41 46 45 46 47 47 47 46 51 55 56 55 55 53 50 48
RH            45 46 69 83 86 82 59 47 42 44 62 77 86 89 72 61 57 63 81 93 96 96
Wind dir      NE NE  E SE SE SE  E  E  E  E  E SE SE SE  E  E  E  E  N  W SW SW
Wind spd       4  5  5  5  4  4  4  8 10 10  9  6  5  4  5  8  8  8  5  5  5  5
Clouds        B1 SC SC FW CL FW FW SC B1 SC FW SC SC B1 B1 B2 B2 B1 B1 SC FW SC
PoP 12hr                     20          30          20          80          50
QPF 12hr                   0.01        0.07           0        0.09        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  S  S              S  C        S  S  C  C  D  D  C  C
Tstms          C  S  S              S  C        S  S  S  S  C  C  C  C


Date           06/22/24  Sun 06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          78      54    89      54    80      49    79      51    76
Temp          72 77 59   56 84 83 64   55 76 77 57   50 72 75 58   52 70 70
Dewpt         50 50 48   48 53 54 48   41 41 42 41   37 42 43 43   41 43 44
PWind dir         W      SE     S       W     W       W     N      SE     W
Wind char        LT      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW SC   FW FW FW SC   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          5       0    10      10     5      10    10      20    20
Rain shwrs                                                     S          S
Tstms                                                          S          S

$$
http://www.weather.gov/greatfalls