Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
209 AM MDT Tue May 28 2024

MTZ312-282200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      84          52          64          42          63
Temp          49 47 60 76 82 82 68 61 59 55 55 61 62 60 52 47 44 43 49 58 61 62
Dewpt         38 38 41 46 44 42 47 47 47 47 44 40 33 26 24 25 24 24 25 24 23 24
RH            66 71 49 34 26 24 47 60 64 74 66 46 33 27 33 42 45 47 39 27 23 23
Wind dir       S  S  S  S  S  S SW  S SW  W  W  W  W  W  W  W SW SW  W  W  W  W
Wind spd       5  5  5  8  9 10 10 10  9 10 14 18 21 21 20 19 20 20 24 21 21 19
Wind gust                                         32 32 31             32 32
Clouds        SC SC CL CL FW B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC
PoP 12hr                      5          40          50          10          10
QPF 12hr                      0        0.03        0.05           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain                             C        C  C  C  C
Rain shwrs                    C     C  C
Tstms                         C     C  C


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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    68      42    73      48    72      50    77
Temp          46   41 61 67 49   43 66 72 55   49 66 71 56   51 70 76
Dewpt         25   26 27 28 31   30 32 35 38   37 38 37 38   37 40 42
PWind dir           W     W      SW    SW      SW     W      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC   FW FW SC SC   SC SC B1 B1   B2 B1 B1 B1   B1 SC B1
PoP 12hr            0     5       0     5      10    10      10    10

$$
MTZ303-282200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      81          48          60          38          60
Temp          44 42 57 72 78 80 63 58 53 49 52 57 58 55 48 43 40 39 46 56 59 58
Dewpt         37 36 38 42 44 45 48 47 44 41 36 31 26 23 25 26 26 26 27 26 26 26
RH            76 79 49 34 30 29 58 67 71 74 54 37 29 29 40 51 57 59 47 31 28 29
Wind dir      SW  S SE SE  S  S  S SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd       5  5  8 14 17 13 12 12 14 19 26 29 33 32 28 25 23 21 26 26 29 27
Wind gust                                29 37 42 47 46 40    33    36 37 41 39
Clouds        B1 B1 SC SC B1 B1 B2 B2 B2 OV B2 SC FW FW SC SC SC SC SC SC SC FW
PoP 12hr                     20          50          20          10          10
QPF 12hr                   0.01        0.24        0.01        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain                                   C  S  S
Rain shwrs                 S  C  C  C
Tstms                      S  C  S  C


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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    65      39    69      45    68      47    72
Temp          44   38 59 64 47   39 65 67 52   46 63 67 52   47 67 70
Dewpt         27   27 26 28 31   30 33 33 35   35 37 37 37   37 40 42
PWind dir           W     W       W     W       W     W       W     W
Wind char          BZ    BZ      GN    GN      GN    BZ      BZ    BZ
Avg clouds    FW   FW FW SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            0     5       0     0       5    10       5    10

$$
MTZ319-282200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      85          54          64          42          65
Temp          51 48 58 74 83 82 71 64 60 56 56 60 62 60 55 49 44 42 48 56 63 64
Dewpt         36 36 41 41 41 41 46 47 48 45 42 40 33 26 25 25 25 25 25 24 23 23
RH            56 63 53 30 23 23 41 54 64 66 59 47 33 27 31 39 47 50 40 29 21 21
Wind dir       S  W  E  E SE SW  E SE  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd       2  3  3  5  9 11  8  5  5  9 11 14 18 20 18 13 13 11 16 18 18 18
Wind gust                                   21 25 31 34 32 26 25 23 28 31 31 29
Clouds        B1 SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC FW FW SC SC
PoP 12hr                     20          50          60          20           5
QPF 12hr                      0        0.04        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                             C        L  L        S  S
Rain shwrs                 S  C     C  C        C  C
Tstms                      S  C     C  S        S  S


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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            42    72      45    76      50    74      51    78
Temp          50   42 61 71 54   45 67 74 59   50 66 73 59   51 69 77
Dewpt         26   27 28 29 32   32 35 36 39   38 38 37 37   38 42 41
PWind dir           W     W       W    SW       W     W       W    SW
Wind char          GN    GN      LT    LT      LT    LT      GN    GN
Avg clouds    SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            0     5       0     5      10    20      10    20
Rain shwrs                                            S             S
Tstms                                                 S             S

$$
MTZ326-282200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      82          47          64          35          62
Temp          45 42 55 72 79 80 66 58 52 48 54 58 57 54 50 44 38 35 43 53 59 61
Dewpt         36 35 40 43 43 44 46 45 44 42 46 47 48 42 39 35 31 29 28 27 27 28
RH            70 76 57 35 28 28 48 62 74 80 74 67 72 64 66 70 76 78 55 36 29 28
Wind dir       S SE NE NE SE SE NW SE  S  S NW NW  W NW NW  W  W SW  W  W  W  W
Wind spd       5  4  1  1  3  8  6  6  5  4  5  6  8  8  6  6  5  5 10 11 12 12
Wind gust                                                              23 25 24
Clouds        SC FW CL FW SC B1 B2 B1 SC B2 B2 OV OV B1 B1 B2 B1 SC FW SC SC SC
PoP 12hr                      5          40          90          50           5
QPF 12hr                      0        0.04        0.33        0.11           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C                 C  C
Rain shwrs                    C  C  S  S     C  D  D  C  C
Tstms                         S  S  S  S     S  C  C  C  C


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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    69      40    73      44    72      45    74
Temp          45   37 59 68 49   40 65 69 53   45 65 68 53   46 66 74
Dewpt         28   27 33 34 34   32 40 40 41   38 43 43 42   39 44 44
PWind dir           W    SW       E    SW       S     W       S    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 SC
PoP 12hr            0     0       0    10      10    20      10    20
Rain shwrs                                            S             S
Tstms                                                 S             S

$$
MTZ330-282200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      72          42          60          29          55
Temp          36 34 47 67 71 70 58 49 45 43 53 58 58 53 46 39 33 29 38 48 53 54
Dewpt         31 30 31 33 31 31 37 39 39 37 40 43 41 36 35 32 28 25 23 20 21 22
RH            82 85 53 28 23 23 45 68 79 79 61 57 53 52 65 76 82 85 54 33 28 28
Wind dir      NE  E SE  S SW SW SW  S SE  E SW SW SW SW SW  W  W  W  W  W SW SW
Wind spd       2  1  1  3  6  6  3  2  2  2  5 11 11 10  5  3  2  2  4  8  9  9
Wind gust                    17                24 24 21 16                19 20
Clouds        SC FW FW CL CL B1 B1 B1 B1 B2 B2 OV OV B1 B1 B1 SC SC SC SC SC SC
PoP 12hr                      0          40          90          50           5
QPF 12hr                      0        0.01        0.17        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain                                C  C  C
Rain shwrs                    C  C           C  D  D  C  C  S
Snowshwrs                                                      S
Tstms                         S  S           S  C  C  C  C  S  S


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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            30    62      33    66      38    63      38    66
Temp          38   30 55 61 41   33 61 63 45   38 60 61 46   38 62 64
Dewpt         25   23 26 26 31   28 31 30 34   32 33 34 36   34 37 35
PWind dir          SW    SW       S    SW       S    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC FW SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 SC B1
PoP 12hr            0     5       0     5      10    20       5    10
Rain shwrs                                            S
Tstms                                                 S

$$
MTZ328-282200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      80          47          64          33          61
Temp          46 42 55 73 79 74 62 55 50 47 52 59 62 59 49 42 36 33 41 52 59 61
Dewpt         36 35 38 39 37 38 43 44 43 42 44 43 35 30 28 27 25 25 22 22 21 22
RH            68 76 53 29 22 27 50 66 77 83 74 55 36 33 44 55 64 72 46 31 23 22
Wind dir       S  S SW  S  S SW SE  S  S SW  W  W  W NW NW  W  W SW  W  W  W  W
Wind spd       5  5  5  6 12 14 10  6  6  5  9 12 16 17 14 10  9  6  9 10 13 13
Wind gust                    25                   26
Clouds        SC FW CL FW SC B1 B2 B1 B1 B2 B2 B2 B2 SC SC SC SC FW FW FW SC SC
PoP 12hr                     20          50          80          20           0
QPF 12hr                   0.02        0.07        0.09        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      D                 S  S
Rain shwrs                    C  C  C  C     D  L  L  S  S
Snow                                                           S
Tstms                         C  S  S  C     S  C  C  S  S


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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    69      41    72      45    70      46    75
Temp          44   37 59 68 49   41 65 69 52   45 64 69 52   46 67 74
Dewpt         25   27 28 28 31   31 34 33 37   35 37 35 37   36 39 38
PWind dir           W    SW      NW    SW       W    SW       W    SW
Wind char          GN    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC   SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            0     0       0     5       5    20       5    10
Rain shwrs                                            S
Tstms                                                 S

$$
MTZ305-282200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      84          54          69          42          65
Temp          48 44 59 75 81 83 71 64 60 55 58 62 66 63 56 50 46 43 48 56 61 63
Dewpt         38 38 42 45 45 48 46 47 45 46 47 44 38 30 29 29 29 32 33 33 32 32
RH            68 79 53 34 28 30 41 54 58 72 67 52 36 29 35 44 51 65 56 42 33 31
Wind dir      SE  E  E SE SE SE SE SE SE SW  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd       5  5  5 11 14 16 16 14 10 10 17 20 21 21 20 20 18 18 20 21 21 18
Wind gust                                         33 32 32    28          32 28
Clouds        SC SC SC FW FW SC SC B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1
PoP 12hr                      5          30          50          10          40
QPF 12hr                      0        0.02        0.02        0.01        0.24
Snow 12hr                 00-00       00-00       00-00
Rain                                   C  C  C  C  C              C  C  C  C
Rain shwrs                    S  S  C
Tstms                         S  S  S


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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            42    69      42    74      49    75      50    78
Temp          48   42 62 68 50   43 67 73 56   49 70 72 57   51 70 77
Dewpt         34   31 33 32 35   33 36 36 41   40 44 43 42   41 45 46
PWind dir           W     W       W    SW      SW     W       W    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC FW FW SC   SC SC SC B1   B2 B1 SC SC   B1 SC SC
PoP 12hr            5    10       0     0       5    10      10    10

$$
MTZ314-282200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
209 AM MDT Tue May 28 2024

Date             Tue 05/28/24            Wed 05/29/24            Thu 05/30/24
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                      78          50          63          37          59
Temp          44 42 59 73 77 76 65 59 54 51 57 59 58 54 49 44 39 37 44 53 57 58
Dewpt         35 34 40 43 44 45 44 42 41 42 46 45 46 40 34 28 25 24 25 27 26 27
RH            70 73 49 34 31 33 46 53 61 71 67 60 64 59 56 53 57 59 47 36 30 30
Wind dir      SE SE SE  S  S SE SE SE  S  W NW NW NW NW  W  W  W  W  W  W  W  W
Wind spd       6  6  6 10 12 13 12 10  8  6 12 16 14 13 13 13 13 13 19 19 18 16
Wind gust                                                           29 29 28
Clouds        FW FW CL CL SC SC SC B1 B1 B1 B2 OV OV B2 B1 SC SC SC SC FW SC SC
PoP 12hr                      0          20          90          40          20
QPF 12hr                      0           0        0.40        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                             S  S  S  C  C              S  S        S  S
Rain shwrs                    S                 D  D  C  C
Tstms                         S                 C  C  S  S


Date               Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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    64      39    70      45    68      45    73
Temp          43   38 57 63 45   39 66 68 51   45 65 66 51   46 67 72
Dewpt         26   26 28 30 31   29 36 38 39   37 40 42 39   36 43 45
PWind dir           W     W      SW    SW      SW     W      SW     W
Wind char          GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC   SC SC SC SC   SC SC B1 B1   B1 B1 B1 B1   SC B1 SC
PoP 12hr            0    10       0     5      10    20      10    20
Rain shwrs                                            S             S
Tstms                                                 S             S

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