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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
234 PM MDT Tue May 28 2024

MTZ312-291000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      52          65          41          62          38
Temp          80 79 66 61 58 55 55 61 63 60 52 46 43 42 47 55 60 60 52 45 41 39
Dewpt         41 40 46 45 46 46 44 39 33 26 25 26 25 25 26 25 24 24 26 25 25 26
RH            25 25 48 56 64 72 66 44 32 27 35 45 49 50 43 31 25 25 36 45 52 59
Wind dir       S  S SW SW  W  W  W  W  W  W  W  W SW SW  W  W  W  W  W SW SW SW
Wind spd       9 10 10  9  8 10 16 19 19 20 20 19 20 20 25 21 21 19 13 10 10 10
Wind gust                             29                   32 32
Clouds        FW B1 B2 B2 B2 B2 B1 B2 B2 B1 FW SC SC SC FW SC SC SC FW FW FW FW
PoP 12hr                     40          60           5          20           0
QPF 12hr                   0.02        0.06           0        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C     C  L  C                    S  S
Tstms             S        S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          68      43    73      49    72      51    73      53    74
Temp          61 67 49   43 66 72 56   50 66 71 56   52 68 72 59   54 70 72
Dewpt         27 27 31   30 32 36 41   38 39 39 39   37 40 43 41   39 40 40
PWind dir         W      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        GN      GN    LT      GN    GN      GN    BZ      BZ    BZ
Avg clouds    FW SC SC   SC SC B1 B2   B2 B1 B1 B1   B1 B1 B1 B1   B1 B1 SC
PoP 12hr          5       0     5      20    20      10    10      10    10
Rain shwrs                         S    S  S  S

$$
MTZ303-291000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      48          60          38          60          37
Temp          76 77 63 56 54 50 52 57 58 57 48 43 40 38 45 54 58 58 50 43 39 37
Dewpt         39 41 46 47 46 41 36 30 26 23 24 27 26 27 27 26 25 25 26 26 26 26
RH            26 28 54 72 74 71 54 35 29 27 39 53 57 64 49 34 28 28 39 51 59 64
Wind dir       S  S  S  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd      18 13 12 13 17 21 26 28 33 31 27 24 23 21 26 27 29 27 20 13 12 11
Wind gust                    32 39 42 47 43 39    33    37 39 42 39
Clouds        SC B1 OV B2 OV OV B2 SC FW FW SC SC SC SC SC SC SC FW FW FW FW SC
PoP 12hr                     80          30          10          20           0
QPF 12hr                   0.19        0.02           0        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C                       S  S
Snowshwrs                                             S
Tstms             C  S  C  S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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      40    70      46    68      47    68      48    68
Temp          58 64 47   40 65 67 52   46 64 65 51   48 64 65 54   49 65 66
Dewpt         25 27 29   30 32 34 36   36 36 35 36   36 40 40 40   39 38 39
PWind dir         W       W     W       W     W       W    SW       W     W
Wind char        BZ      GN    GN      GN    BZ      BZ    BZ      BZ    WY
Avg clouds    FW SC SC   SC B1 B1 B2   B2 B1 SC B1   B1 B2 B1 B1   B1 B1 SC
PoP 12hr          5       0     0      10    20       5    10      20    10
Rain shwrs                                 S  S                S    S

$$
MTZ319-291000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      52          64          41          63          40
Temp          80 79 69 62 58 54 53 59 62 60 54 48 44 42 47 56 61 61 56 48 44 41
Dewpt         37 39 44 45 46 43 41 39 33 28 26 26 25 25 24 24 22 21 23 25 25 24
RH            21 24 40 54 64 66 64 47 33 29 34 42 47 50 40 29 22 21 27 40 47 50
Wind dir       E SW  W  E  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW SW
Wind spd      10 12  6  5  5 10 11 14 18 19 18 13 13 11 17 18 18 18 12  5  5  5
Wind gust                          26 29 34 31 25 24 23 31 31 31 28
Clouds        SC B2 B2 B2 B1 B1 B2 B2 B1 SC SC SC SC FW FW FW SC SC FW FW FW FW
PoP 12hr                     60          50          10           5           0
QPF 12hr                   0.07        0.10           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  C  C  C  S
Tstms             C     S  S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          70      45    77      51    74      53    77      52    77
Temp          60 69 54   46 69 73 59   52 66 71 59   53 70 72 60   53 69 72
Dewpt         27 27 30   29 36 35 39   38 39 38 38   39 42 42 42   40 43 42
PWind dir         W       W    SW       W     W       W    SW       W     W
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    FW FW SC   SC B1 B2 B2   B2 B2 B1 B1   B1 B2 B2 B1   B1 B1 B1
PoP 12hr          0       0     5      20    30      10    20      20    10
Rain shwrs                         S    S  S  C             S  S
Tstms                                         S             S

$$
MTZ326-291000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      46          59          34          59          35
Temp          77 77 63 57 51 47 54 57 54 53 48 43 39 34 42 51 57 59 51 43 38 35
Dewpt         39 41 46 45 42 42 46 46 47 43 40 37 33 29 28 27 26 26 28 28 28 26
RH            25 28 54 64 71 83 74 67 77 69 74 79 79 82 57 39 30 28 41 55 67 69
Wind dir       E SE  E SE  S  S NW NW  N NW  W  W  W SW  W  W  W  W NW SE  S  S
Wind spd       3  9  6  6  5  4  5  6  6  6  5  5  6  5 10 12 12 12  5  2  2  2
Wind gust                                                  23 24 23
Clouds        FW B1 B1 B1 B1 SC B2 OV OV B2 B1 B2 B1 SC FW SC SC SC SC SC SC FW
PoP 12hr                     30          90          50           5           0
QPF 12hr                      0        0.41        0.09           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  S     C  L  D  C  C  S  S
Tstms             C  S  S  S     S  C  C  C  C


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          67      40    75      46    71      46    75      47    76
Temp          58 66 49   40 64 73 53   46 63 70 54   47 69 70 56   48 68 75
Dewpt         32 32 33   31 37 43 42   40 44 45 42   39 45 47 45   42 46 47
PWind dir         W       E    SW       S     W       S    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW SC SC   SC SC B1 B2   B2 B2 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr          0       0    10      30    40      10    20      10    10
Rain shwrs                         C    S  S  C             S
Tstms                              S          S             S

$$
MTZ330-291000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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          59          30          53          29
Temp          69 69 58 49 44 42 52 57 56 52 44 39 34 30 38 47 52 52 45 38 32 29
Dewpt         28 30 36 38 38 38 40 42 41 35 34 34 30 26 23 20 21 23 26 25 24 23
RH            21 23 44 66 79 86 63 57 57 52 68 82 85 85 54 34 29 32 47 59 72 78
Wind dir      SW SW  S  S  E  E  S SW SW NW  W SW  W  W  W  W  W SW SW SW  S  S
Wind spd       5  6  3  3  2  2  5 11 11 10  5  3  2  2  4  8  9  8  3  2  1  1
Wind gust        17                24 25 21                   19 20
Clouds        CL FW SC B2 SC SC B2 B2 OV B2 B2 B1 SC SC FW SC B1 B1 SC SC SC FW
PoP 12hr                     30          90          60           5           0
QPF 12hr                      0        0.23        0.13           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S     S  C  L  D  L  L  S
Snowshwrs                                          S
Tstms                            S  C  C  C  S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          62      33    66      39    64      39    66      40    67
Temp          54 61 41   33 61 63 46   39 59 62 45   39 62 63 46   40 62 67
Dewpt         26 27 30   27 31 32 35   33 38 35 35   34 39 39 40   38 40 40
PWind dir        SW       S     S      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC   SC SC B1 B2   B2 B2 B1 B1   B1 B1 B1 B2   B1 B1 B1
PoP 12hr          5       0    10      20    40      10    20      10    10
Rain shwrs                         S    S  S  C             S
Tstms                                         S             S

$$
MTZ328-291000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      46          62          33          60          34
Temp          78 72 61 53 49 47 52 57 60 58 49 43 37 33 40 51 58 59 50 43 38 35
Dewpt         36 38 44 45 43 42 43 44 37 31 29 28 26 25 23 21 21 20 23 25 24 24
RH            22 29 53 74 80 83 71 62 42 36 46 55 64 72 50 30 23 22 34 49 57 64
Wind dir       S SW  W  S  S SW  W  W  W NW NW  W SW SW  W  W  W  W NW  W SW SW
Wind spd      13 16 10  6  6  6  8 11 14 16 13 10  9  8 10 10 13 13  9  5  5  5
Clouds        B1 B2 B2 B1 B1 B2 B2 B2 B1 SC SC B1 SC FW FW FW SC SC SC SC SC FW
PoP 12hr                     60          80          20           0           0
QPF 12hr                   0.03        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L        C  L  L  C  S  S
Tstms          S  C  S           S  C  S  S  S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          69      41    73      46    71      48    73      47    75
Temp          58 68 49   41 67 71 53   46 65 69 54   48 69 68 54   48 68 74
Dewpt         28 27 31   31 35 34 40   40 38 34 37   37 40 42 42   40 41 39
PWind dir        SW      SW    SW       W    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC B2 B2   B2 B1 B1 B1   B1 B1 B2 B1   B1 B1 B1
PoP 12hr          0       0     5      20    20      10    10      10    10
Rain shwrs                         S    S  S  S
Tstms                                         S

$$
MTZ305-291000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      54          67          41          63          41
Temp          80 82 70 64 60 55 59 62 65 63 57 50 45 42 47 55 60 61 54 48 44 41
Dewpt         42 45 47 47 46 46 48 43 36 30 30 29 29 32 34 33 32 31 33 33 31 31
RH            26 27 44 54 60 72 67 50 34 29 35 44 53 67 60 43 35 32 45 56 60 67
Wind dir      SE SE SE SE  S SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW SW
Wind spd      13 14 16 16 10 10 18 19 20 19 19 20 18 18 20 21 21 18 13 12 12 11
Wind gust                          29 32 29 29 31 28          32
Clouds        FW SC B1 B2 B2 B2 B1 B1 B2 B1 SC SC SC B1 B1 B1 B1 B1 SC SC SC SC
PoP 12hr                     20          50          10          50           5
QPF 12hr                   0.01        0.02           0        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S  C  C  S                 C  C  C  C
Tstms                S  S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          69      42    76      50    75      50    77      53    77
Temp          62 67 50   42 68 74 57   50 69 72 56   51 72 73 61   54 70 75
Dewpt         33 32 34   32 35 38 41   41 43 42 42   40 46 46 46   43 43 44
PWind dir         W      SW    SW       W     W       W    SW       W     W
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    FW FW SC   SC SC B1 B1   B2 B1 SC SC   B1 B1 B1 B1   B1 SC SC
PoP 12hr         10       0     0      10    20      10    10      10     5
Rain shwrs                                    S

$$
MTZ314-291000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
234 PM MDT Tue May 28 2024

Date           05/28/24      Wed 05/29/24            Thu 05/30/24            Fri
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                      49          62          36          57          35
Temp          75 75 64 59 53 50 57 60 56 52 49 43 38 37 44 51 55 56 49 42 38 36
Dewpt         39 41 43 42 40 41 46 46 46 43 38 31 27 25 26 27 27 26 29 27 25 24
RH            27 29 46 53 61 71 67 60 69 71 66 62 64 61 49 39 34 31 46 55 59 61
Wind dir       S SE SE SE  S SW NW NW NW NW  W  W  W  W  W  W  W  W  W SW SW SW
Wind spd      11 13 12 10  8  6 13 14 14 10 11 12 12 13 20 20 18 14 10  6  6  6
Wind gust                                            24 31 31 28 25
Clouds        CL FW SC B2 B1 B1 B1 B2 OV B2 B1 SC SC SC FW SC SC SC SC FW FW FW
PoP 12hr                     20          90          30          20           5
QPF 12hr                      0        0.24        0.01        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  D  C  C              S  S
Tstms                               C  C  C  S


Date           05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24  Tue 06/04/24
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          63      39    71      46    68      46    73      49    73
Temp          57 62 45   40 67 68 52   46 63 67 51   47 69 69 55   50 67 72
Dewpt         29 30 31   29 36 38 41   39 41 43 40   38 43 45 45   41 43 44
PWind dir         W       W    SW      SW     W       W     W       W     W
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC B1 B2   B2 B2 B1 B1   B1 B1 B1 B1   B1 SC SC
PoP 12hr          5       0     5      30    40      20    20      20    10
Rain shwrs                         C    C  S  C  S          S  S
Tstms                              S                        S  S

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