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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
804 PM MDT Wed Apr 24 2024

MTZ312-251000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      43          66          41          58          41
Temp                62 55 49 44 51 60 64 64 55 49 44 42 47 53 55 57 48 47 44 41
Dewpt               29 29 30 27 28 25 28 36 30 33 29 30 33 33 34 38 31 35 32 29
RH                  28 37 48 51 41 26 25 35 38 54 55 62 58 46 45 49 51 63 62 62
Wind dir             W  W SW  W  W  W  W NW NW NW  W  W NW  N  N  N  N  N  N NE
Wind spd            10  6  5  6 10 10 10 10  8  5  3  4  8  9 10 12 11 10 10  9
Clouds              OV OV B2 B1 FW FW SC B1 B2 B1 B2 B2 B2 B2 B2 OV OV OV B2 B2
PoP 12hr                     20           5          10          50          60
QPF 12hr                      0           0           0        0.02        0.08
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  C  C  L  L  C  C  C
Rain shwrs           S  S


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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      37    61      40    62      37    60      36    63
Temp          48 50 42   38 56 59 46   41 58 58 43   38 55 58 44   37 55 62
Dewpt         29 37 37   31 31 33 32   27 28 30 27   20 21 28 28   22 26 33
PWind dir        NE       S    SW      SW    SW      SW    SW      SW     N
Wind char        LT      GN    GN      GN    BZ      BZ    BZ      GN    GN
Avg clouds    B2 B2 B2   B1 SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr         50      40    20      10    30      20    10      20    20
Rain           C  C  C    S     S             C                S          S
Rain shwrs                                       S
Tstms                                            S

$$
MTZ303-251000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      38          60          37          51          35
Temp                54 48 43 39 47 56 58 58 48 42 39 38 42 47 49 49 43 41 38 36
Dewpt               23 25 27 27 27 27 28 36 30 32 30 30 33 31 33 34 29 31 28 27
RH                  30 40 53 62 45 32 32 44 49 67 70 73 70 53 54 56 57 67 67 69
Wind dir             W  W  W  W  W  W  W  W  W  W  W NW  N  N  N  N  N  N  N  N
Wind spd            18 12 12 11 13 18 21 21 11  9  9 10 16 16 17 16 10  9  9  6
Clouds              OV OV B2 SC SC B1 SC FW SC B1 B2 B2 OV OV OV B2 OV OV B2 B2
PoP 12hr                     10           5           5          30          20
QPF 12hr                      0           0           0        0.02        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  C  C  S  S  S  S  S


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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      34    59      37    57      33    57      31    59
Temp          45 50 39   34 55 57 42   38 55 53 38   33 52 54 38   32 52 58
Dewpt         28 36 35   27 26 32 29   24 24 26 23   16 17 24 25   20 22 26
PWind dir         E       S    SW      SW    SW       W     W       W     S
Wind char        GN      GN    BZ      BZ    BZ      BZ    BZ      GN    GN
Avg clouds    B2 B2 B2   SC SC SC SC   B1 B1 SC SC   SC SC SC SC   SC SC B1
PoP 12hr         30      20     5       0    10      10     5      10    10
Rain           S  C  S

$$
MTZ319-251000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      44          67          42          59          40
Temp                62 55 50 45 51 60 65 65 56 49 46 43 47 52 55 57 49 46 43 40
Dewpt               29 32 30 29 30 28 31 37 31 33 30 31 34 34 37 41 35 38 35 34
RH                  28 41 46 53 44 29 28 35 38 54 53 62 60 50 51 55 58 73 73 79
Wind dir             W  W  W  W  W  W  W NW NW  W  W  W NW  N  N  N  N  N NW  N
Wind spd            11  5  6  6  6 10 12 13 10  5  5  4  4 10 12 14 12 10 10  8
Clouds              B1 B2 B2 B2 SC SC SC SC SC B1 B2 OV OV B2 OV B2 OV OV B2 B2
PoP 12hr                     20          10          20          70          70
QPF 12hr                      0           0           0        0.03        0.09
Snow 12hr                 00-00       00-00       00-00
Rain                                            S  S  C  C  L  L  L  L  L  L  L
Rain shwrs           S  S


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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          52      38    62      39    62      36    62      38    66
Temp          47 51 44   39 54 61 47   40 56 56 43   37 53 61 45   38 56 64
Dewpt         33 37 36   31 31 37 35   29 31 32 29   24 25 34 31   25 31 37
PWind dir         N       W     W       W    SW       W     W       W    NW
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC   SC SC B1
PoP 12hr         70      30    30      10    40      20    20      10    30
Rain           L  L  C          C          S                S             C
Rain shwrs                                    C  S
Tstms                                         S  S

$$
MTZ326-251000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      39          64          38          55          36
Temp                60 52 48 42 46 56 62 61 53 47 43 39 43 49 51 53 46 43 40 37
Dewpt               32 33 36 34 34 33 37 44 39 40 36 35 38 39 40 43 37 38 35 32
RH                  35 48 63 73 63 42 39 53 59 76 76 85 82 68 66 69 71 82 82 82
Wind dir             N  W SW SW NW NW NW NW NW SW SW  S NE  N  N NE NE  N  N NE
Wind spd             8  6  5  3  3  4  8 11 10  6  4  3  2  5  9 10  9  6  8  8
Clouds              B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 OV B2 OV OV OV B2 OV OV OV B2
PoP 12hr                     20          50          70          90          80
QPF 12hr                      0        0.01        0.11        0.17        0.13
Snow 12hr                 00-00       00-00       00-00
Rain                                            L  L  L  L        D  D  L  L  D
Rain shwrs           S  S           S  C  L  L              D  D
Tstms                                  S  S                 S  S


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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    60      34    63      33    63      35    67
Temp          44 50 40   34 50 59 44   35 56 57 42   34 52 62 44   36 56 65
Dewpt         31 39 35   30 32 40 36   28 32 40 34   27 29 39 34   28 32 38
PWind dir        NE       S    SW       S    SW      SW     W       S     N
Wind char        GN      GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    OV B2 B2   B2 B1 B1 B1   B2 B1 B1 B1   B1 SC SC B1   SC SC B1
PoP 12hr         80      40    40      20    50      30    20      20    30
Rain           D  L  C    S  C  C          S             S  S
Rain shwrs                         S          C  C             S          C
Tstms                              S          S  S             S          S

$$
MTZ330-251000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      33          55          32          49          31
Temp                50 43 39 36 39 52 54 51 42 38 34 33 36 46 49 46 38 34 33 31
Dewpt               32 33 34 31 31 35 37 44 37 36 32 30 33 32 34 37 31 33 31 27
RH                  50 67 82 82 73 52 52 77 82 92 92 89 89 58 56 71 76 96 92 85
Wind dir            SW  S  N  N  N  S  S  S SW  S  N  N  S  S SW  N NE NE NE  N
Wind spd             8  4  0  0  0  5  6  6  5  4  0  0  2  4  5  8  5  5  5  5
Clouds              B1 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 OV OV OV OV B2 B2 B2 B2 OV
PoP 12hr                     30          80          70          90          70
QPF 12hr                   0.01        0.15        0.23        0.14        0.03
Snow 12hr                 00-00       00-00       00-00
Rain                          C  C                    L  L              L  L  L
Rain shwrs           S  S  C        C  L  L  L  C  C        D  D  L  L
Snow                                                  S  L              L  L  L
Tstms                               S  C  C  S  S  S        S  S  S  S
Winter Storm                                          A  A  A  A  A  A  A  A  A


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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          47      28    50      27    51      28    56      29    61
Temp          44 44 32   29 46 48 34   28 48 49 34   28 52 53 35   30 57 58
Dewpt         30 36 31   25 27 34 29   22 28 35 31   22 27 33 31   22 28 30
PWind dir         N       W    SW      SW    SW      SW    SW       S     S
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 OV B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 SC B1 SC   SC B1 B1
PoP 12hr         80      50    60      10    50      30    30      20    30
Rain           L  D       S  C  L          S          S  S  C  S
Rain shwrs           C                        C  C                        C
Snow           L          S  C             S          S  S     S
Tstms                S                        S  S                        S

$$
MTZ328-251000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      39          63          38          53          37
Temp                54 48 44 41 45 55 61 60 51 46 42 39 42 50 52 50 43 40 39 37
Dewpt               30 34 33 33 35 30 33 42 36 38 35 34 36 35 36 39 35 36 35 34
RH                  40 58 65 73 68 38 35 51 56 73 76 82 79 56 54 66 73 85 85 89
Wind dir             W  N SW  S  W NW NW  N NE  N NE SW NW  N  N NE  N  N  N  N
Wind spd            13  5  5  6  5  5  9 10 10  5  6  5  5  8 10 13 12  9  9  9
Clouds              B2 B1 B1 B1 B1 B1 SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     20          40          50          80          80
QPF 12hr                      0           0        0.05        0.15        0.23
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  L  L              L  L  D
Rain shwrs           S  S           S  S  C  C              D  D  D  D
Tstms                                  S  S                 S  S  S  S


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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          47      33    56      35    58      33    61      35    64
Temp          43 46 39   34 51 54 42   36 55 55 40   33 53 60 42   36 57 62
Dewpt         32 37 35   29 30 34 33   26 29 34 30   24 25 34 31   27 30 32
PWind dir         N       W    SW      SW    SW      SW    SW      SE    SW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV B2 B2   B2 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr         80      30    20       5    40      20    20       5    20
Rain           D  L  C       S  S          C             S                S
Rain shwrs                                    C  S
Snow                                                     S
Tstms                                         S  S

$$
MTZ305-251000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      43          68          40          65          38
Temp                59 53 50 45 52 64 68 67 56 50 45 40 48 60 64 61 53 47 43 38
Dewpt               26 29 31 33 28 28 30 38 32 34 31 28 34 32 34 36 31 29 26 24
RH                  28 39 48 62 39 25 24 34 40 54 58 62 58 35 32 39 43 49 51 57
Wind dir            SW SW SW SW  W  W  W  W  W  W SW SW  N NE NE NE NE NE NE  E
Wind spd             8  5  8  8 10 11 12 12  8  5  5  5  8 10 10 13 10 10 10 10
Clouds              SC B2 B2 B1 SC SC FW SC SC B1 B1 B1 B2 B2 B1 B2 B2 B2 B2 B2
PoP 12hr                     10           5           0          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                              S  S  S  S  S


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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          59      39    66      40    66      38    62      36    65
Temp          54 56 46   40 60 63 48   41 61 62 45   38 56 60 44   36 59 62
Dewpt         28 34 34   31 34 38 34   27 29 32 27   21 21 28 29   23 28 29
PWind dir         E      SE    SW      SW    SW       W     W       W     N
Wind char        GN      GN    GN      GN    BZ      BZ    BZ      GN    GN
Avg clouds    B1 B2 B2   B2 B1 SC SC   SC B1 SC SC   SC FW SC SC   SC SC SC
PoP 12hr         30      30    10       5    20      20    10      10    10
Rain           S  C  C    S                   S  S

$$
MTZ314-251000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
804 PM MDT Wed Apr 24 2024

Date           04/24/24      Thu 04/25/24            Fri 04/26/24            Sat
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                      41          63          39          54          36
Temp                58 52 46 42 50 58 61 61 51 47 42 40 45 51 52 53 47 45 40 37
Dewpt               28 28 28 28 31 30 32 41 34 36 33 30 34 34 34 38 34 33 28 25
RH                  32 39 49 57 48 34 33 48 52 65 70 67 65 52 50 57 60 62 62 61
Wind dir             N  W  W  W NW NW NW NW NW  W  W  W NW NW  N  N  N NE NE NE
Wind spd             8  6 10  6  9  9  9  8  6  5  5  5  8  9  9 10  9  9 10  9
Clouds              B1 B2 B2 B2 B1 SC SC B1 B1 B2 B1 B2 OV B2 OV OV OV B2 B2 OV
PoP 12hr                     20          20          40          60          50
QPF 12hr                      0           0        0.01        0.08        0.10
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  C  C  L  L  C  C  C  C  C
Rain shwrs           S                 S  C  C


Date           04/27/24  Sun 04/28/24  Mon 04/29/24  Tue 04/30/24  Wed 05/01/24
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      35    57      35    60      34    58      34    64
Temp          48 48 40   36 52 57 43   37 57 55 42   35 54 55 40   35 59 60
Dewpt         30 34 33   30 32 40 35   26 31 37 30   21 25 32 29   21 31 33
PWind dir         E      SE    SW      SW     W       W     W      SW    SE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC B1
PoP 12hr         50      40    40      20    40      40    30      20    20
Rain           C  C  C    C  S  C  S                  S     C             S
Rain shwrs                                    C  C             S
Tstms                                         S  S             S

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



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