Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
204 PM MDT Sat May 4 2024

MTZ312-051000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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          63          43          54          40
Temp          60 62 54 48 45 44 48 55 61 60 53 49 46 44 46 50 53 52 46 45 43 41
Dewpt         29 30 29 28 28 27 29 32 37 40 41 40 38 36 34 31 29 28 27 28 27 26
RH            31 30 38 46 51 51 47 41 41 47 64 71 73 73 63 48 39 39 47 51 53 55
Wind dir       E  E  E  E  E  E  E  E SE  S  W  W  W SW SW  W  W  W  W  W  W  W
Wind spd      10 14 13 11  6  5  5  6  8 10  8 10 13 16 20 21 26 25 24 27 28 29
Wind gust                                                     36 36 36 41 42 44
Clouds        B1 B1 B2 B2 B2 OV B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2
PoP 12hr                      5          30          70          50          40
QPF 12hr                      0        0.03        0.23        0.12        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                                   S  L  L  L  L  C  C  C  C  C  C  C  C  C


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          47      37    44      38    54      37    63      39    70
Temp          45 44 41   39 41 43 41   39 47 53 43   38 57 62 46   40 65 68
Dewpt         28 32 33   32 34 36 36   35 38 41 38   33 40 41 39   33 43 40
PWind dir         W       W    NW      NW    NW      SW    SW       S    SW
Wind char        WY      WY    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   OV B2 B2 B2   B2 B2 B2 B1   SC SC FW FW   FW FW FW
PoP 12hr         60      80    80      70    50      20    10      10    10
Rain           C  L  D    D  D  D  L    L  C  C  S
Snow                      S  S

$$
MTZ303-051000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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          60          40          53          38
Temp          57 56 49 44 40 38 43 51 57 57 49 45 42 41 45 50 52 50 43 42 40 39
Dewpt         26 25 24 26 25 24 26 29 33 35 38 37 35 34 32 31 30 29 28 29 29 29
RH            30 30 37 49 55 57 51 42 40 43 66 73 76 76 60 48 43 44 55 60 64 67
Wind dir      SE  E  E  E  E  E  E  E  E  E NW NW  W  W  W  W  W  W  W  W  W  W
Wind spd      21 23 14 18 16 13 11 10 10 10  9 11 16 17 24 33 33 34 31 29 33 35
Wind gust              28 26                                  44 48 46 46 49 54
Clouds        SC B1 B2 B2 B1 OV B2 B2 OV B1 B2 B2 OV B2 OV B2 OV B2 B2 B2 B2 OV
PoP 12hr                      5          30          30          40          40
QPF 12hr                      0           0        0.10        0.01        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                                   S  C  C  C  C  C  C  C  C  C  C  C  C  C


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          46      34    44      35    56      34    65      39    69
Temp          44 42 37   36 42 44 39   36 49 56 41   35 59 64 46   39 64 67
Dewpt         29 33 33   32 34 34 35   33 36 36 36   31 36 35 38   33 38 37
PWind dir         W      NW    NW      NW     N       W    SW      SW    NW
Wind char        VW      WY    WY      BZ    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV   OV B2 B2 B2   B2 B2 B1 SC   FW FW FW FW   FW FW FW
PoP 12hr         70      80    80      50    30      10     5       5    10
Rain           C  L  D    D  D  L  C    C  C  C
Snow                      S  D

$$
MTZ319-051000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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          69          43          54          40
Temp          63 67 59 51 47 44 50 58 66 64 54 49 47 45 44 48 53 51 47 45 43 41
Dewpt         25 25 28 29 29 29 31 35 38 40 40 38 36 33 30 30 29 26 25 27 25 24
RH            23 20 30 42 49 55 48 42 36 41 59 66 65 62 57 49 39 37 42 49 49 50
Wind dir      SE  E  E NW NW  W NW SE  S  S  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd      11 12 10  5  5  5  5  6 10 11 13 18 18 20 27 31 32 32 33 31 39 40
Wind gust                                         28 31 41 46 48 48 49 46 58 60
Clouds        B1 B1 B1 B2 OV OV OV OV B1 OV OV OV OV OV B2 OV B2 B2 B2 B2 B2 B2
PoP 12hr                      5          60          90          60          20
QPF 12hr                      0        0.05        0.15        0.05        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                         D        L  L  C  C  S  S  S  S  C
Rain shwrs                             C  D     D  D
Snow                                                                       S  C
Tstms                                  S  S     S  S


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          50      39    50      39    55      38    66      41    72
Temp          47 46 42   40 44 47 43   39 48 54 45   39 57 65 49   42 64 70
Dewpt         24 26 27   28 30 32 32   32 36 37 35   32 37 36 35   32 39 34
PWind dir         W       W    NW      NW    NW      NW     S      SW     W
Wind char        SD      WY    BZ      GN    GN      GN    LT      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC FW FW   FW FW FW
PoP 12hr         50      70    70      50    40      20    10       5    10
Rain           C  C  L    L  L  L  C    C  C  C  S
Snow           C     L    L  L

$$
MTZ326-051000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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                      42          66          36          51          34
Temp          62 65 54 50 46 43 49 59 63 60 50 45 41 37 40 46 50 49 43 40 37 35
Dewpt         26 29 30 30 28 28 33 37 39 40 38 36 34 33 35 34 32 29 27 28 25 24
RH            25 26 40 46 49 55 54 44 41 47 63 70 76 85 82 63 50 46 53 62 61 64
Wind dir      SE SE  E  E SE SE SE  S  S  S SW  W  W  W  W  W  W  W  W  W  W  W
Wind spd      10 13 18 16 18 12 11 11 11 14 11 10 13 10 18 26 29 31 24 21 25 25
Wind gust                                               28 39 44 47 35 33 37 37
Clouds        B1 B1 B1 B1 OV OV OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B1 B2 B2 B2
PoP 12hr                      5          70          90          80          30
QPF 12hr                      0        0.08        0.13        0.15        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                         L  D  D  D  D  L  L  C  C  S  S
Rain shwrs                          S  L  L
Snow                                                  S                 S  S  C
Tstms                               S  S  S


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          49      32    47      33    52      33    63      35    68
Temp          46 44 38   34 41 44 38   34 44 51 40   34 53 63 44   36 60 68
Dewpt         24 28 26   27 30 31 32   31 36 37 34   30 37 37 35   30 39 37
PWind dir         W       W     W       W    NW       E    NE      SE    SW
Wind char        VW      BZ    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B1   SC SC FW FW   FW FW FW
PoP 12hr         50      70    80      60    50      20    10       5    10
Rain           C  C  L    L  D  L  L    C  C  C  S
Snow           C     L    L  D  S

$$
MTZ330-051000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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                      36          53          28          42          27
Temp          56 57 46 41 41 37 43 49 50 46 37 33 31 29 32 39 42 40 34 31 29 27
Dewpt         20 24 28 29 29 30 33 35 37 33 30 30 28 26 26 28 28 25 26 25 24 23
RH            24 28 49 62 62 75 67 58 61 60 75 89 88 88 78 64 57 55 72 78 81 85
Wind dir       S  S  E NE SE SE  S  S  S SW  S SW SW SW SW SW  W  W  W  W  W  W
Wind spd      10 11 10 10 11  9 11 10 12 13 13 11 10  9 12 13 16 18 16 10 11 18
Clouds        FW SC B2 B2 B2 B2 B2 OV B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2
PoP 12hr                     30          90          90         100          70
QPF 12hr                      0        0.21        0.16        0.19        0.05
Snow 12hr                 00-00       00-00           1
Rain                       S  C  C
Rain shwrs                          L  D  D                    S
Snow                                         D  D  D  D  D        L  L  C  C  C
Snowshwrs                                                   D  D
Tstms                               S  S  C                 S  S


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          41      22    42      24    49      25    56      26    61
Temp          38 39 28   24 39 41 30   25 46 47 33   26 52 54 36   27 57 59
Dewpt         20 17 21   19 22 25 25   22 27 28 30   23 28 27 30   24 32 30
PWind dir         W       W     W      NW     N      NE    NE      NE     S
Wind char        BZ      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 SC   SC SC FW FW   FW FW FW
PoP 12hr         70      70    80      50    50      20    10       5    10
Rain                                          C
Rain shwrs                                       S
Snow           C  L  L    L  L  D       S  C
Snowshwrs                          C             S
Tstms                              S             S

$$
MTZ328-051000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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          60          35          49          31
Temp          61 64 54 50 46 44 47 54 58 55 45 40 37 36 37 45 48 47 40 35 33 31
Dewpt         20 25 29 31 31 34 38 38 34 33 32 33 33 31 30 28 26 24 25 24 24 22
RH            20 22 38 48 55 68 71 54 40 43 60 76 85 82 75 51 42 40 55 64 69 69
Wind dir       S  S  E  E  E SE SE  S  S  S  S SW SW SW SW  W  W  W  W  W SW SW
Wind spd      17 19 10  9 10 13 18 18 23 21 18 11 10 11 18 21 25 25 18 16 20 19
Wind gust        29                   34 33                33 37 36       31 29
Clouds        B1 B1 B1 OV OV B2 OV OV B1 B2 B2 OV OV OV OV OV B2 B1 B1 B1 B2 B2
PoP 12hr                     20          70          90          60          30
QPF 12hr                      0        0.03        0.13        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain                          C  L           D  D  D  L     C  C  C  C
Rain shwrs                          L  C  D
Snow                                               D  L  L           C  S  S  C
Tstms                               S  S  C


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          46      32    48      33    53      34    64      36    68
Temp          43 44 34   33 44 47 38   34 47 52 40   34 54 63 44   37 62 67
Dewpt         19 19 21   23 26 28 31   30 32 33 33   31 34 32 34   31 36 30
PWind dir         W       W     W       N     N      NE    NW       S    SW
Wind char        WY      BZ    GN      GN    GN      GN    LT      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC FW FW   FW FW FW
PoP 12hr         30      40    40      20    20       5     5       5    10
Rain                            C          S  S
Rain shwrs                         S
Snow           C  C  C    C  C  C          S
Snowshwrs                          S
Tstms                              S

$$
MTZ305-051000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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                      39          71          44          56          40
Temp          61 62 51 47 44 40 46 60 67 68 58 51 48 45 47 53 55 53 48 46 45 42
Dewpt         26 28 28 28 25 25 29 34 38 40 42 43 42 41 41 41 42 41 40 40 38 38
RH            26 27 41 47 47 55 51 37 34 36 55 74 80 86 79 64 61 64 74 79 76 86
Wind dir      SE  E  E  E  E  E  E  E  E  E  E SW  W  W  W  W  W  W  W  W  W  W
Wind spd      10 14 17 21 19 21 21 18 17 13  9  9 10 13 18 20 20 23 24 27 29 36
Wind gust              33                                     31       37 41 55
Clouds        SC SC SC B2 B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 OV OV OV B2 OV OV B2
PoP 12hr                      0          10          60          70          70
QPF 12hr                      0           0        0.10        0.37        0.54
Snow 12hr                 00-00       00-00       00-00
Rain                                      C     L  L  L  L  L  L  L  L  L  L  L
Rain shwrs                                   C
Tstms                                        S


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          48      37    49      38    59      38    66      41    71
Temp          45 44 42   39 47 48 44   39 54 59 46   39 61 64 49   42 64 70
Dewpt         38 38 37   37 39 40 41   38 42 43 41   36 42 41 41   36 42 42
PWind dir         W      NW    NW      NW     N       W    SW      SW     W
Wind char        VW      WY    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B2 OV OV   OV OV OV B2   OV B2 B1 SC   SC SC FW FW   FW FW SC
PoP 12hr         80      90    80      70    50      20    10       5    10
Rain           L  D  D    D  D  D  L    C  C  C  S

$$
MTZ314-051000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
204 PM MDT Sat May 4 2024

Date           05/04/24      Sun 05/05/24            Mon 05/06/24            Tue
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                      36          65          38          48          34
Temp          57 57 47 43 39 37 46 58 63 63 52 47 45 42 40 45 47 46 41 39 36 35
Dewpt         25 28 27 24 22 23 28 33 36 38 41 41 39 38 34 35 34 31 31 31 30 29
RH            29 33 45 47 50 56 49 39 36 39 66 79 79 86 79 68 60 55 67 73 79 78
Wind dir      SE SE  E  E  E  E  E  E  E SE SW  W  W  W  W  W  W  W  W  W  W  W
Wind spd      10 13 16 23 19 11 11 12 12 10 10 10 13 12 18 24 29 33 34 34 41 40
Wind gust              34 29                               35 44 49 51 50 62 60
Clouds        FW FW SC B2 SC B2 B2 B2 B1 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 OV
PoP 12hr                      0          20          80          70          50
QPF 12hr                      0           0        0.11        0.26        0.20
Snow 12hr                 00-00       00-00       00-00
Rain                                                  L  L  L  L  C  C  C  C  C
Rain shwrs                                D  D  L  L
Snow                                                                       C  C
Tstms                                     S  S  S  S


Date           05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24  Sat 05/11/24
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          41      32    39      33    49      34    61      37    65
Temp          39 39 35   34 38 39 38   34 44 48 39   35 54 60 43   38 62 64
Dewpt         31 31 32   32 33 34 36   33 38 40 35   32 40 41 36   31 38 41
PWind dir         W       W    NW      NW    NW       W    SW       S     W
Wind char        SD      WY    WY      BZ    GN      GN    GN      GN    GN
Avg clouds    OV B2 OV   OV OV OV OV   OV B2 B2 B1   B1 SC SC FW   FW FW FW
PoP 12hr         70      80    90      80    70      30    20      10    10
Rain           C  L  D    D  D  D  D    L  L  L  C          S
Snow           C  L  D    D  D  S

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