Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
826 PM MDT Fri May 3 2024

MTZ312-041000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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          64          42          63          42
Temp                40 34 31 30 41 53 62 62 55 49 45 43 47 55 61 60 54 49 45 43
Dewpt               27 24 22 20 24 22 26 28 31 30 28 27 31 36 39 40 40 39 37 35
RH                  59 66 69 66 50 29 25 27 40 48 51 53 53 49 44 47 59 68 73 73
Wind dir            SE  S  S SE  E  E  E  E  E  E  E  E NE  N NE NE NW  W SW SW
Wind spd             5  5  5  5  5 10 12 13 13 10  8  6  5  5  6  9  6 10 12 18
Clouds              FW FW FW SC SC SC SC B2 OV B2 B2 OV OV OV B2 B2 OV B2 OV OV
PoP 12hr                      0           0          10          40          80
QPF 12hr                   0.01           0           0        0.02        0.28
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S  C  C        L  L  L
Rain shwrs                                                        D  D
Tstms                                                             S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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          55      41    50      37    45      38    55      37    64
Temp          49 52 44   42 47 46 41   38 42 44 40   39 48 54 43   38 57 63
Dewpt         34 29 27   28 29 29 31   31 32 34 34   33 36 38 37   33 38 39
PWind dir        SW       W     W       W    NW      NW    NW      SW    SW
Wind char        BZ      BZ    WY      BZ    WY      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   OV B2 B2 B2   B2 B1 B1 B1   SC SC SC
PoP 12hr         60      40    60      70    70      60    50      30    20
Rain           L  C  C    C  C  L  L    L  L  L  L    C  C  C  C       S  S
Snow                                       L

$$
MTZ303-041000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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                      28          60          37          59          39
Temp                42 35 31 28 39 51 57 58 50 45 40 38 43 51 57 57 49 44 41 40
Dewpt               24 26 24 23 25 17 20 22 26 28 26 26 28 31 36 36 37 37 34 31
RH                  48 69 75 81 57 26 23 25 39 51 57 62 55 46 45 45 63 76 76 70
Wind dir             E  S  S  E SE SE SE  E  E  E  E  E  E  E  E NE NW  W  W  W
Wind spd             6  8  5  6 12 21 23 20 14 18 16 11 10  9 10 10  8 12 17 21
Wind gust                                      28 26                         33
Clouds              SC FW SC SC SC SC B1 B2 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2 B2
PoP 12hr                      0           5           5          30          40
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  C  C  C  C  C  C  C
Rain shwrs


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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          55      38    48      35    46      35    57      35    65
Temp          52 51 42   38 45 45 38   35 42 45 38   36 50 56 41   36 59 64
Dewpt         29 29 29   29 30 32 32   30 31 32 33   31 34 35 35   30 36 35
PWind dir         W       W     W      NW    NW      NW    NW       W     W
Wind char        WY      WY    WY      WY    WY      BZ    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   OV B2 B2 B2   B2 B1 B1 SC   SC FW FW
PoP 12hr         30      40    60      80    70      50    30      20    10
Rain           C  C  C    C  C  L  D    L  L  L  C    C  C  C  S
Snow                                    L  L

$$
MTZ319-041000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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                      32          69          44          69          42
Temp                46 38 34 32 41 56 65 68 59 52 47 44 50 61 67 62 53 48 45 44
Dewpt               21 21 20 21 23 26 25 26 28 30 30 30 33 39 41 41 39 38 35 33
RH                  37 50 56 63 48 31 22 20 30 43 51 57 52 44 39 46 59 68 68 65
Wind dir             E  W SW  W  E  E SE  E  E NE NW  W NE  E SE  W  W  W  W  W
Wind spd             5  4  4  4  4  9 10 13 10  5  5  5  5  8 10 13 13 17 16 19
Wind gust                                                                    29
Clouds              FW CL FW SC SC SC B1 B1 B2 B2 OV OV OV OV B2 OV OV OV OV OV
PoP 12hr                      0           5          10          60          80
QPF 12hr                      0           0           0        0.04        0.34
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S                    L
Rain shwrs                                                  L  L  D  D  L  L
Tstms                                                       S  S  S  S  S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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          54      41    51      39    50      38    55      38    67
Temp          49 51 45   41 47 48 42   39 45 47 42   39 48 55 45   39 57 66
Dewpt         31 28 27   26 25 25 27   27 30 30 32   31 34 35 34   31 37 35
PWind dir         W       W     W       W    NW      NW    NW      NW    NW
Wind char        WY      WY    WY      BZ    BZ      GN    GN      GN    GN
Avg clouds    OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 SC   SC SC SC
PoP 12hr         60      20    40      60    70      50    40      20    20
Rain           L  C  S    S  C  C  C    L  L  L  C    C  C  C  S          S
Snow                      S  C     C    L  L

$$
MTZ326-041000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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          67          42          65          37
Temp                39 34 30 27 39 57 63 65 54 50 47 43 49 61 63 60 51 45 42 38
Dewpt               19 21 20 20 24 25 23 28 29 31 30 30 35 38 42 41 40 38 36 34
RH                  44 58 66 74 54 29 21 25 38 48 51 60 58 42 46 49 66 76 79 85
Wind dir             E SE  S SE NE  E SE  E  E  E SE SE SE  S SW SE SW  W  W  W
Wind spd             8  8  6  4  5  9 11 16 18 21 18 11 11 10 10 13  9 10 10 13
Clouds              FW FW FW SC SC SC B1 B1 B1 B2 B2 B2 OV OV B2 OV OV OV OV OV
PoP 12hr                      0           0          10          70          90
QPF 12hr                      0           0           0        0.09        0.31
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S              D  D  D
Rain shwrs                                                  L  L  D  D
Tstms                                                       S  S  S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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      33    49      32    48      32    52      33    62
Temp          45 49 41   34 45 46 38   33 41 46 38   33 44 51 40   34 53 61
Dewpt         35 31 29   25 26 26 27   26 30 33 31   30 34 36 34   30 37 37
PWind dir         W       W     W       W     W       W     W       E     W
Wind char        BZ      BZ    BZ      BZ    GN      GN    GN      LT    LT
Avg clouds    OV B2 B2   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC SC
PoP 12hr         80      40    50      60    70      50    40      20    20
Rain           D  L  C    C  C  C  L    L  L  L  C    C  C  C  S          S
Snow                      C  C     L    L  L

$$
MTZ330-041000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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                      21          60          36          52          29
Temp                29 25 22 21 33 52 59 58 48 42 40 37 42 49 51 46 37 34 31 29
Dewpt               14 18 18 18 19 14 17 24 30 30 30 30 32 35 36 33 32 31 28 26
RH                  53 74 84 88 56 22 19 27 49 62 67 75 67 58 56 60 82 89 88 88
Wind dir             S  E SE NE  E  S  S  S SE  E SE SE  S  S SW SW SW SW SW SW
Wind spd             8  4  2  2  4 10 11 11 10 10 13 11 11 10 10 12 10 10 11 12
Clouds              B1 SC FW FW FW FW SC B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0           0          30          90          90
QPF 12hr                      0           0        0.04        0.19        0.21
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  L  L
Rain shwrs                                                  D  D  D  D
Snow                                                                    D  D  D
Snowshwrs                                                            D
Tstms                                                       S  S  S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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          42      26    41      23    43      24    50      26    56
Temp          39 40 31   27 38 39 28   24 40 41 29   24 46 47 33   27 52 53
Dewpt         28 27 26   22 22 20 22   19 23 23 25   21 27 27 29   24 28 28
PWind dir        SW      SW     W       W     W      NW     N       N     N
Wind char        BZ      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    OV OV B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC
PoP 12hr         90      70    80      70    70      40    40      20    20
Rain                                                        C  S          S
Snow           D  D  L    C  C  D  L    C  C  L  C    S  S     S

$$
MTZ328-041000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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                      30          66          43          60          36
Temp                41 35 32 31 38 55 63 65 56 50 47 44 48 55 59 55 46 42 38 36
Dewpt               18 21 23 23 22 19 18 26 30 33 35 35 38 39 35 34 33 34 33 32
RH                  39 56 69 72 52 24 17 23 37 52 63 70 68 55 40 45 60 73 82 85
Wind dir            NE  S  S  S SW  S  S  S SE  E SE SE  S  S  S  S  S SW SW SW
Wind spd             8  5  6  6  5 11 17 19 13 12 13 11 18 18 18 19 16 10 10 11
Wind gust                                31             28    28
Clouds              SC SC SC B1 SC B1 B1 B2 OV B2 OV B2 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0           5          40          70          80
QPF 12hr                      0           0        0.01        0.05        0.20
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  L  L              D  D
Rain shwrs                                                  L  L  D  D
Snow                                                                       D  L
Tstms                                                       S  S  S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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      31    47      31    49      32    54      33    64
Temp          45 47 36   32 44 44 34   31 42 48 37   32 47 53 40   34 54 63
Dewpt         30 26 26   24 22 20 22   23 24 28 29   28 31 32 32   29 33 31
PWind dir         W       W     W       W     W      NW     N      NE     W
Wind char        BZ      BZ    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 SC   SC SC FW
PoP 12hr         60      30    40      40    50      20    20      10    10
Rain              C  C    S                   C  S    S  S  S
Snow           L     C    S  C  C  C    C  C  C       S  S

$$
MTZ305-041000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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          64          39          71          44
Temp                41 35 30 27 40 57 61 62 53 47 44 40 46 62 69 68 57 52 47 44
Dewpt               29 28 25 24 26 24 22 26 30 29 26 27 30 37 40 41 43 44 42 40
RH                  62 75 81 88 57 28 22 25 41 49 49 59 53 39 35 37 59 74 83 86
Wind dir            SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E NE  W  W  W
Wind spd             5  5  3  4  6 10 12 14 17 21 20 21 20 18 13 11  8  8  9 14
Wind gust                                      32 31 32
Clouds              SC FW FW FW FW FW SC SC B1 B2 B1 B1 B2 B1 B2 OV B2 B2 B2 B2
PoP 12hr                      0           0           5          20          60
QPF 12hr                      0           0           0           0        0.09
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S              L
Rain shwrs                                                        L  L  L  L
Tstms                                                             S  S  S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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      41    50      38    50      38    60      39    67
Temp          55 54 45   41 48 46 41   38 47 49 42   38 54 57 46   40 61 65
Dewpt         39 39 39   38 38 37 38   36 38 40 38   36 41 40 40   37 42 40
PWind dir         W       W     W      NW    NW      NW    NW       W     W
Wind char        BZ      WY    WY      WY    BZ      BZ    GN      GN    GN
Avg clouds    B2 B2 B2   OV B2 B2 OV   OV OV OV B2   B2 B1 B1 B1   SC SC SC
PoP 12hr         70      70    80      90    80      60    50      20    20
Rain           L  L  L    L  L  D  D    D  D  D  L    C  C  C  S          S

$$
MTZ314-041000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
826 PM MDT Fri May 3 2024

Date           05/03/24      Sat 05/04/24            Sun 05/05/24            Mon
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                      25          59          36          65          39
Temp                33 29 26 27 43 53 58 57 48 43 39 37 46 58 64 63 52 47 43 40
Dewpt               26 24 20 20 26 23 23 26 29 27 25 25 30 36 39 40 41 41 38 35
RH                  75 81 78 74 51 31 26 30 47 53 57 61 53 44 40 43 66 79 82 82
Wind dir             S  S SE SE SE SE SE SE  E  E  E  E  E  E  E  E  W  W  W  W
Wind spd             5  6  6  6  9 10 11 13 19 23 17 11  9 10 11  9  9 10 13 18
Wind gust                                   32 34                            28
Clouds              FW FW FW FW SC FW SC SC B1 B2 B2 OV OV B2 B2 OV OV B2 OV OV
PoP 12hr                      5           0           5          30          80
QPF 12hr                   0.01           0           0           0        0.17
Snow 12hr                 00-00       00-00       00-00
Rain                                                        C  C        L  L  D
Rain shwrs                                                        D  D
Snowshwrs
Tstms                                                             S  S


Date           05/06/24  Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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      34    44      31    40      32    47      34    57
Temp          46 47 39   35 42 42 35   32 38 39 36   33 43 47 39   35 54 55
Dewpt         36 33 29   27 30 30 30   28 32 33 33   31 36 36 35   31 39 38
PWind dir         W       W     W       W    NW       W    NW       W     W
Wind char        WY      WY    VW      WY    WY      BZ    GN      GN    GN
Avg clouds    OV B2 B2   B2 B2 B2 B2   OV OV OV B2   B2 B2 B2 B1   B1 SC B1
PoP 12hr         80      50    70      80    80      70    60      30    30
Rain           D     C    C  C  L  D    D  D  D  L    C  C  L  C    S  S  C
Rain shwrs        L
Snow                         C     D    D  D  D
Tstms             S

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