Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
829 PM MDT Thu May 2 2024

MTZ312-031000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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          50          26          63          42
Temp                36 33 31 29 34 40 46 49 40 33 29 27 37 52 61 63 54 49 45 43
Dewpt               29 29 28 27 28 27 27 27 27 25 22 19 23 30 32 34 33 32 31 31
RH                  75 85 88 92 78 59 47 42 59 72 75 71 56 43 33 34 45 52 58 62
Wind dir             N NW  W  W NW NW NW  N  E SE SE SE  E  E  E  E  E  E  E NE
Wind spd             9  8  9  8 10  9  9  5  5  5  3  4  5 10 12 14 13 10  6  5
Clouds              OV OV OV B2 B1 B1 SC SC FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2
PoP 12hr                     70          40           0           0          20
QPF 12hr                   0.04        0.02           0           0           0
Snow 12hr                     T           T       00-00
Rain shwrs           C  C           S                                   S  S  C
Snowshwrs            C  C  C  C  C  S


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          60      40    54      40    49      37    47      37    54
Temp          54 57 47   41 49 51 44   41 46 47 40   38 44 46 41   37 49 52
Dewpt         36 39 39   34 35 31 28   26 28 29 31   29 32 33 35   32 35 36
PWind dir         N       W     W       W     W       W     W      NW    NW
Wind char        LT      GN    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1
PoP 12hr         40      60    50      40    40      60    60      60    50
Rain shwrs     C  C  L    L  C  C  C    C  C  C  C    L  L  L  L    C  C  C
Snowshwrs                                  C          L  L

$$
MTZ303-031000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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                      27          49          26          59          37
Temp                33 32 30 27 34 41 46 48 38 33 29 26 36 50 56 58 50 45 40 38
Dewpt               30 29 27 25 26 26 26 23 25 26 23 22 25 27 29 29 31 31 28 29
RH                  89 88 88 92 72 55 45 37 59 75 78 85 64 41 35 33 48 58 62 70
Wind dir             N NW NW NW NW NW  N  N  E SE SE SE SE SE SE SE  E  E  E NE
Wind spd            13 10 12 12 13 13 13 10  5  8  6  8 13 23 24 23 13 17 13  9
Clouds              OV OV B2 B1 B1 B1 SC FW FW FW FW SC B1 B1 B2 B2 B2 B2 B2 B2
PoP 12hr                     60          10           0           0          10
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C                                                        C
Snowshwrs            C  S


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          57      38    53      38    48      35    46      34    54
Temp          51 55 42   39 50 50 41   38 45 45 38   35 43 44 38   34 48 53
Dewpt         33 36 35   32 31 30 29   28 29 31 32   30 32 32 33   30 32 35
PWind dir        NE      NW     W       W     W      NW    NW      NW    NW
Wind char        GN      GN    BZ      WY    WY      BZ    BZ      BZ    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   OV B2 B2 B2   B2 B1 B1
PoP 12hr         40      50    50      50    50      70    70      50    40
Rain shwrs     C  C  C    C  C  C  C    C  C  C  L    L  L  L  C    C  C  C
Snowshwrs                                  C          L  L

$$
MTZ319-031000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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          55          31          69          44
Temp                38 35 33 30 37 46 52 53 46 38 34 31 40 55 65 68 59 51 48 45
Dewpt               22 23 23 22 22 23 22 21 22 23 22 22 23 26 27 29 31 32 32 31
RH                  52 61 66 72 54 40 31 28 38 54 61 69 50 32 24 23 34 48 54 58
Wind dir            NW  W  W  W NW  N  N  N  N  W SW SW  E SE SE SE  E  E NE NW
Wind spd             9  6  5  4  5  8  8  8  5  5  3  3  4  9 12 13 10  5  5  5
Clouds              B2 B2 B2 B1 SC SC SC FW FW FW FW SC SC B2 B2 B2 B1 B2 B2 OV
PoP 12hr                     20          20           0           0          20
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S                 S                                S  S  C
Snowshwrs            S


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          64      41    53      40    51      38    52      38    57
Temp          58 57 47   42 49 51 44   40 47 48 41   38 46 50 43   38 50 54
Dewpt         39 39 36   31 32 28 27   25 26 25 26   26 28 29 32   30 34 31
PWind dir         N       W     W       W     W       W     W      NW    NW
Wind char        GN      GN    BZ      BZ    WY      BZ    BZ      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B1   B2 B2 B2 B2   B2 B2 B2 B2   B1 B2 B1
PoP 12hr         70      70    60      30    40      40    60      50    50
Rain shwrs     C  L  L    L  L  C  C    S  S  C  C    C  C  L  C    C  C  C
Snowshwrs                               S  S     C    C  C
Tstms             S

$$
MTZ326-031000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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                      23          52          28          66          41
Temp                38 33 29 24 31 40 48 51 42 36 32 29 41 57 64 65 55 50 45 42
Dewpt               24 24 24 20 22 22 22 21 22 23 23 23 25 27 28 32 32 32 32 31
RH                  57 69 81 84 69 48 35 30 44 59 69 78 52 31 25 29 41 50 60 65
Wind dir            NW NW  W SW  W NW NW  N  E SE SE SE SE SE  E  E  E  E  E  E
Wind spd             9  5  4  3  5  8  8  6  9  6  6  4  5  9 12 18 14 16 12  9
Wind gust                                                        28
Clouds              B1 B2 B1 B1 SC B1 SC FW CL FW FW SC SC B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20           5           0           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  C


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          65      35    49      32    50      31    50      31    54
Temp          59 57 44   38 44 47 40   33 45 47 38   32 43 48 38   32 47 53
Dewpt         41 42 38   35 35 32 28   24 27 28 27   26 30 30 31   28 33 34
PWind dir         S       W     W       W     W       W     W       W    NW
Wind char        GN      GN    GN      BZ    BZ      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B2
PoP 12hr         70      80    70      30    50      40    60      50    60
Rain shwrs     C  L  D    L  L  L  C    S  C  C  C    C     L  C    C  C  L
Snowshwrs                               S  C     C    C  C          C  C
Tstms             S

$$
MTZ330-031000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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                      17          47          20          59          35
Temp                31 25 23 18 26 41 45 45 35 28 23 20 32 53 59 57 47 42 39 36
Dewpt               17 19 19 14 14 15 16 15 20 21 19 16 16 19 23 27 30 31 31 31
RH                  56 78 84 84 60 34 31 29 54 75 84 84 51 26 25 31 51 65 73 82
Wind dir             S  N  N NE  N NW NW  W  S SE  E  E SE  S  S  S SE  E SE SE
Wind spd             6  3  5  3  5  5  6  9  5  3  2  2  3  9 12 13  9 10  9 10
Clouds              B1 B1 SC FW FW SC SC SC SC FW FW FW SC B1 B1 B2 B2 B2 B2 B2
PoP 12hr                     20          10           5           5          40
QPF 12hr                      0           0           0           0        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  C


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          51      27    42      23    42      22    43      22    49
Temp          48 45 33   27 39 41 30   24 39 40 28   23 38 41 29   23 46 47
Dewpt         36 33 30   24 28 27 25   20 22 21 22   19 22 23 25   20 26 26
PWind dir         S      SW    SW      SW     W      SW     W      NW     N
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV   B2 B2 OV B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B2
PoP 12hr         80      80    90      60    70      60    60      40    60
Rain shwrs     C  D  D                                                    L
Snowshwrs            D    D  L  D  L    C  C  L  L    C  C  L  C    C  C
Tstms             S

$$
MTZ328-031000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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                      24          52          30          65          44
Temp                38 32 30 25 31 42 49 52 43 37 32 30 39 56 63 65 55 50 46 44
Dewpt               19 24 25 20 20 19 18 18 20 22 23 23 23 23 23 28 30 34 37 37
RH                  46 72 81 81 63 39 29 26 39 54 69 75 52 27 21 25 38 54 71 76
Wind dir            NE NE NE SE  N  N  N  N NE  E  S  S  S SE SE SE SE  E SE SE
Wind spd            14 10  8  6  5  5  5  8  8  6  6  5  5 11 18 19 13 10  9 11
Wind gust                                                        29
Clouds              B1 B1 SC B1 FW FW SC SC SC SC SC SC B1 B2 B1 B2 B2 OV OV B2
PoP 12hr                     20           5           0           0          50
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S                                            C  C  C  C  L
Snowshwrs            S


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          56      35    49      31    48      30    49      31    54
Temp          53 52 41   35 45 47 35   31 45 45 34   30 43 47 37   32 48 52
Dewpt         37 36 34   30 29 26 24   23 22 21 23   22 24 24 29   27 31 28
PWind dir         S      SW     W       W     W       W     W       N     N
Wind char        BZ      GN    BZ      GN    BZ      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B1   B2 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1
PoP 12hr         70      70    60      20    40      30    30      30    40
Rain shwrs     L  L  L    L     C  S                        C  C    S     C
Snowshwrs                 L  L     S    S  C  C  C    S  C  C  C    S  C
Tstms             S

$$
MTZ305-031000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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                      27          50          27          64          39
Temp                33 30 30 28 33 40 47 48 40 34 31 28 40 57 62 63 53 48 43 39
Dewpt               28 27 28 27 28 28 28 27 29 28 26 24 27 30 31 31 32 31 28 29
RH                  82 88 92 96 82 62 47 44 64 78 81 85 59 35 31 30 44 51 55 67
Wind dir            NW NW  W  W  W NW NW NW  N SE SE SE  E SE SE  E  E  E  E  E
Wind spd            11 10  9  8 10 11 12 10  5  5  5  5  8 11 12 17 16 20 18 21
Wind gust                                                                    32
Clouds              OV B2 B2 B2 B2 B1 B1 B1 FW FW FW FW FW FW SC B1 B1 B2 B1 B2
PoP 12hr                     30          40           0           0           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S              C  S
Snowshwrs            S        S  C  C
Obvis                        PF


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          71      43    57      40    50      36    51      37    59
Temp          62 68 52   44 54 53 45   40 47 47 41   37 47 49 43   37 51 57
Dewpt         38 42 45   41 42 41 39   37 37 37 36   34 37 38 38   35 38 41
PWind dir         E      NW     W       W     W      NW    NW      NW    NW
Wind char        BZ      GN    BZ      BZ    WY      BZ    BZ      GN    GN
Avg clouds    B1 B2 B2   B2 B2 B2 B2   OV B2 B2 B2   OV B2 B2 B2   B2 B1 B1
PoP 12hr         30      70    70      70    70      70    70      60    50
Rain shwrs        C  L    L  L  L  L    L  L  L  L    L  L  L  L    C  C  C

$$
MTZ314-031000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
829 PM MDT Thu May 2 2024

Date           05/02/24      Fri 05/03/24            Sat 05/04/24            Sun
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                      24          42          23          59          37
Temp                31 28 27 25 28 34 39 42 32 28 26 24 38 52 57 58 48 45 40 38
Dewpt               28 27 26 24 24 26 27 28 26 23 20 19 25 28 30 30 29 29 27 28
RH                  88 96 96 96 85 72 62 57 78 81 78 81 59 39 35 34 47 53 59 67
Wind dir            NW  W NW  W NW NW NW NW SW  S  S SE SE SE SE SE  E  E  E SE
Wind spd            14 13 13 12 11 13 13 11  5  6  6  6  8 10 12 14 13 18 13 10
Clouds              OV OV OV OV OV B2 B1 B1 FW FW FW FW SC FW B1 B1 B1 B2 B2 B2
PoP 12hr                     50          50           0           0          10
QPF 12hr                   0.04        0.05           0           0           0
Snow 12hr                     1           T       00-00
Snowshwrs            C  C  C  C  C  S
Tstms


Date           05/05/24  Mon 05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24
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          65      37    47      34    44      33    43      32    49
Temp          59 62 47   38 44 45 39   35 43 42 36   33 41 42 36   33 46 47
Dewpt         38 42 41   34 36 34 31   27 31 30 29   28 31 31 32   29 35 35
PWind dir         E      NW     W       W     W       W    NW       W    NW
Wind char        GN      GN    BZ      WY    WY      WY    BZ      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr         40      70    70      50    60      60    70      60    70
Rain shwrs        C  L    L  L  L  C    C  C  L  L    L  C  L  L    C  C  L
Snowshwrs                               C  C     L    L  C          C  C
Tstms                S

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