Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
312 AM MDT Fri May 24 2024

MTZ312-242200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      63          39          64          41          63
Temp             44 51 57 60 61 52 46 42 40 50 61 62 59 51 47 43 42 48 56 61 62
Dewpt            36 37 38 39 38 38 38 36 33 37 39 41 43 41 38 33 31 31 31 32 32
RH               73 59 49 46 42 59 73 79 76 61 44 46 55 68 71 67 65 51 38 33 32
Wind dir         SW SW  W  W  W SW  S SW SW SW  W  W  W  W  W SW SW SW  W  W  W
Wind spd         13 16 17 13 10  5  5  5  5  5  6  8 10 10 13 14 17 21 20 19 18
Clouds           B2 B1 B1 B1 SC B1 SC B1 B1 SC B2 B2 B1 B2 B1 SC SC SC B1 SC FW
PoP 12hr                     40          20          70          40          10
QPF 12hr                   0.03           0        0.11        0.11           0
Snow 12hr                 00-00       00-00       00-00
Rain              S  S                    S  S
Rain shwrs              C  C  S                 L  L  C  C  S  S
Tstms                   S  S  S                 S  S  S  S  S  S


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            41    73      45    80      51    73      46    66
Temp          47   42 65 73 53   46 75 77 58   52 69 69 52   47 61 65
Dewpt         32   31 37 39 40   36 45 44 46   43 42 36 34   31 32 34
PWind dir           W     W      SW     S       S    SW       W     W
Wind char          GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    FW   FW FW FW FW   FW FW FW B1   B1 B1 B1 SC   SC SC SC
PoP 12hr            0     0       0    10      30    30      20    20
Rain                                            S  S  C  S    S  S  S
Rain shwrs                                 C
Tstms                                      S

$$
MTZ303-242200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      60          37          62          40          61
Temp             38 47 54 56 58 50 43 39 38 49 58 61 58 50 45 42 41 48 56 59 60
Dewpt            37 39 36 37 37 39 36 35 34 36 36 37 37 34 32 32 31 32 32 32 33
RH               96 74 50 49 45 66 76 85 85 61 44 41 45 54 60 67 67 54 40 36 36
Wind dir          W  W  W  W  W NW SW  W  W  W SW  W  W  W  W  W  W  W  W  W  W
Wind spd          6 10 14 16 13  8  5  5  5  8 11 14 18 18 17 18 18 24 24 27 25
Wind gust                                                        28 34 35 37 35
Clouds           B2 B1 B1 B1 B1 SC SC SC B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr                     50          30          40          20          10
QPF 12hr                   0.05        0.02        0.06        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  S  S
Rain shwrs              C  C  C
Tstms                   C  C  C
Obvis            PF


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            39    70      43    77      48    67      43    63
Temp          46   40 63 69 51   43 72 74 56   49 63 63 49   44 58 62
Dewpt         31   31 35 37 37   36 40 42 43   39 35 32 32   30 31 30
PWind dir           W     W      SW     S      SW     W       W     W
Wind char          BZ    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC   FW FW FW SC   SC SC SC B1   B1 B1 SC SC   SC SC SC
PoP 12hr            0     0       0     5      20    20      10    20
Rain                                            S  S  S          S  S

$$
MTZ319-242200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      65          43          63          41          66
Temp             41 47 58 64 63 57 50 45 43 50 60 62 60 53 49 44 42 47 57 63 65
Dewpt            31 34 35 35 32 36 36 34 35 38 39 40 39 35 35 32 32 30 31 30 31
RH               67 60 42 34 31 45 58 65 73 63 46 44 46 50 58 62 67 51 37 29 28
Wind dir         SW SE  W  W  W SW SW  S SW SE  W  W  W  W  W  W  W  W  W  W  W
Wind spd          5  4  5 10 10  4  2  2  2  2  4  9 12 12 10 10 10 12 14 17 16
Wind gust                                                           24 27 28 27
Clouds           SC B1 B1 B1 SC SC B1 B2 B1 B1 B2 B2 B1 B1 B1 SC SC SC SC FW FW
PoP 12hr                     20          10          80          50           5
QPF 12hr                      0           0        0.06        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain                       S              C  C              S  S
Rain shwrs                                      D  D  C  C
Tstms                                           C  C  S  S


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            43    75      48    82      52    75      47    68
Temp          51   43 65 74 57   48 74 79 61   52 68 70 55   47 62 66
Dewpt         34   33 37 37 37   37 44 43 45   43 42 37 35   34 33 32
PWind dir           W     W      SW    SE       S     W       W     W
Wind char          GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW   FW SC FW FW   FW FW FW B1   B1 B1 B1 SC   SC SC B1
PoP 12hr            0     0       0    10      30    40      20    30
Rain                                            S        S       S
Rain shwrs                                 C          C             C
Tstms                                      S          S             S

$$
MTZ326-242200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      60          35          61          36          63
Temp             28 41 51 58 60 51 46 40 36 47 58 59 55 49 43 39 36 44 52 59 62
Dewpt            25 33 37 38 36 38 38 35 32 38 40 44 44 41 38 35 32 34 34 34 34
RH               88 73 59 47 41 61 73 82 85 71 51 57 66 74 82 85 85 68 50 39 35
Wind dir          S NW  W  W  W NE SE SE  S SE  W SW NW  W  W  W  W  W  W  W  W
Wind spd          5  3  5  8  8  4  4  3  3  2  2  4  5  5  5  5  5  8 10 11 11
Wind gust                                                              20 23 21
Clouds           SC FW FW B1 SC B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC
PoP 12hr                     10          10          80          70          20
QPF 12hr                      0        0.01        0.20        0.25           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      S  S              C  C  S  S
Rain shwrs                                      D  D  L  L
Tstms                                           C  C  C  C


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            37    71      42    79      47    75      42    68
Temp          46   38 61 70 51   42 71 75 56   48 68 68 51   43 59 67
Dewpt         34   31 37 38 38   36 44 44 45   41 45 46 41   36 37 40
PWind dir          SW    SW      SE     S      SE     W      NW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW FW   FW FW FW B1   B1 SC B1 B1   SC SC B1
PoP 12hr            0     0       0    10      20    50      30    30
Rain                                                     C       S
Rain shwrs                                 S          C             C
Tstms                                      S          S             S

$$
MTZ330-242200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      53          30          51          31          54
Temp             28 39 47 53 53 42 36 32 30 41 50 51 48 42 36 34 31 38 46 52 54
Dewpt            27 32 31 28 27 29 29 28 27 29 32 31 33 33 32 31 28 28 29 28 27
RH               96 76 53 38 36 60 75 85 88 62 50 46 56 70 85 89 88 67 51 39 35
Wind dir         SE SW SW SW SW  S NE  S  S  S SW SW SW SW SW SW SW  W  W  W  W
Wind spd          2  4  9  9  8  3  2  2  2  3  6  9  9  5  3  2  2  4  6  8  8
Wind gust                 20 20                17 19 20 16                18 18
Clouds           B1 B1 SC SC SC B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC
PoP 12hr                     10          10          80          70          20
QPF 12hr                      0           0        0.14        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C
Rain shwrs                                      D  D  L  L  C
Snow                                      C                       S  S
Snowshwrs                                                      C
Tstms                                           C  C  C  C  S  S
Obvis             F


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            28    64      32    70      39    68      37    63
Temp          36   28 55 63 40   32 65 68 46   39 65 65 44   37 59 61
Dewpt         29   25 30 31 32   28 33 32 36   34 36 32 35   33 33 29
PWind dir          SW    SW       S     S       S     S      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW FW   FW FW FW SC   SC SC B1 SC   SC SC B1
PoP 12hr            0     0       0    10      20    40      20    30
Rain                                                     S
Rain shwrs                                 S          C             C
Tstms                                      S          S             S

$$
MTZ328-242200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      61          36          59          34          62
Temp             29 42 54 60 61 50 44 40 37 45 55 59 56 48 41 37 34 41 52 60 62
Dewpt            28 33 32 29 30 35 36 34 32 35 35 36 35 35 34 30 29 28 28 28 28
RH               96 70 43 31 31 56 73 79 82 68 47 42 45 60 76 75 82 59 39 29 27
Wind dir          S SW SW SW SW  E  S  S  S SW SW SW  W  W  W  W SW  W  W  W  W
Wind spd          8  6  6 10  9  6  5  4  5  5  6 10 11 10  9  8  6  9 10 11 12
Clouds           FW SC SC B1 B1 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     10          20          80          40           0
QPF 12hr                      0        0.03        0.06        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      S  S              S  S
Rain shwrs                                      D  D  C  C
Snow                                                           S
Tstms                                           C  C  S  S
Obvis            PF


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            36    71      42    77      46    73      42    68
Temp          43   36 61 70 51   42 70 72 53   46 68 69 49   42 60 67
Dewpt         30   29 33 31 35   34 40 40 42   39 40 37 38   34 33 31
PWind dir           W    SW       S     S       S    SW      NW     W
Wind char          GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW   FW FW FW FW   FW FW SC B1   B1 SC B1 SC   SC SC SC
PoP 12hr            0     0       0    10      20    30      20    20
Rain                                                     S
Rain shwrs                                 S          C             S
Tstms                                      S          S             S

$$
MTZ305-242200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      62          40          68          44          64
Temp             41 49 55 59 59 52 46 42 40 51 63 67 64 56 51 47 44 50 58 62 63
Dewpt            38 41 41 42 42 44 43 41 40 42 44 44 44 46 45 39 38 37 40 41 43
RH               89 74 59 53 53 74 89 96100 71 50 43 48 69 80 74 79 61 51 46 48
Wind dir         SW  W  W  W  W SW  S SW  S SE SW  S  S  W  W  W  W  W  W  W  W
Wind spd          5 10 11 10 10  4  4  3  3  4  6  8  9  9 10 11 12 14 16 16 16
Clouds           B1 B1 B1 B2 B1 SC SC SC B1 SC B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1
PoP 12hr                     60          20          50          50          30
QPF 12hr                   0.08        0.01        0.03        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain                 S                                      S  S        C  C
Rain shwrs              S  L  S                 C  C  C  C
Tstms                   S  C  S                 S  S  S  S


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            43    73      46    81      53    75      47    68
Temp          50   43 66 72 54   46 75 78 61   53 71 70 54   48 61 67
Dewpt         42   37 40 41 41   39 46 46 47   45 44 40 39   37 39 39
PWind dir           W     W      SW    SE      SE     W       W     W
Wind char          GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    SC   FW FW FW FW   FW CL FW B1   B1 B1 B1 B1   SC SC SC
PoP 12hr            5     0       0     0      30    30      30    30
Rain                                       C    C  S  C  C    S  S  C

$$
MTZ314-242200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
312 AM MDT Fri May 24 2024

Date             Fri 05/24/24            Sat 05/25/24            Sun 05/26/24
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                      58          37          61          38          58
Temp             32 45 52 55 56 47 41 39 38 51 60 60 56 48 45 41 38 45 52 56 57
Dewpt            29 33 33 36 37 38 36 33 32 37 39 42 44 43 41 37 32 31 33 34 35
RH               88 62 48 49 49 71 82 79 79 59 46 51 64 83 86 85 79 58 48 43 43
Wind dir         SW  W  W NW NW SW  S  S  S  E  E SE SE SW  W  W  W  W  W  W NW
Wind spd          6  9 11 11 10  5  5  4  4  3  4  5  5  6  8 10 10 13 16 14 14
Wind gust              21                                           24    25 25
Clouds           SC SC B1 B1 SC SC FW SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC
PoP 12hr                     40          20          80          70          30
QPF 12hr                   0.02           0        0.20        0.19        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                              C  C  C  C
Rain shwrs              S  C  S                 D  D  L  L  C  C
Tstms                   S  C  S                 C  C  C  C  C  C


Date               Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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            38    67      43    76      49    71      45    63
Temp          44   38 61 66 49   44 73 73 57   49 69 64 52   46 60 61
Dewpt         33   29 36 39 38   35 42 44 44   42 46 44 41   36 38 37
PWind dir           W     W       S     S       S     W       W     W
Wind char          GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    SC   FW FW FW FW   FW FW FW SC   B1 B1 B1 B1   B1 SC B1
PoP 12hr            0     0       0     5      20    40      40    30
Rain                                            S             S  S  C
Rain shwrs                                 S          C  C
Tstms                                      S          S  S

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