Point Forecast Matrices
Issued by NWS Great Falls, MT

Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2
705
FOUS55 KTFX 040828
PFMTFX

Point Forecast Matrices
National Weather Service Great Falls MT
227 AM MDT Sat May 4 2024

MTZ312-042200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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          42          64          42          54
Temp          32 31 43 54 61 62 53 48 45 44 49 55 60 61 53 49 46 44 47 48 52 51
Dewpt         25 25 27 25 28 29 29 29 28 28 31 32 37 38 40 39 37 36 36 33 30 29
RH            75 78 53 32 28 28 39 47 51 53 50 41 42 42 61 68 71 73 65 56 43 42
Wind dir       S SE  E  E  E  E  E  E  E  E  E NE NW NE  W  W SW SW SW  W  W  W
Wind spd       5  5  6 10 11 13 12 10  6  5  5  6  8 10  6 10 13 16 20 20 23 25
Wind gust                                                              31 34 37
Clouds        FW SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2
PoP 12hr                      5          10          30          90          60
QPF 12hr                      0           0        0.01        0.32        0.21
Snow 12hr                 00-00       00-00       00-00
Rain                                                              L  L  C  C  C
Rain shwrs                                      C  C  L  L  D  D


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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            40    50      37    45      38    54      37    63
Temp          43   42 48 46 41   40 42 42 41   40 47 51 42   39 57 61
Dewpt         28   27 25 26 30   32 33 34 35   36 38 38 36   34 40 40
PWind dir           W     W       W    NW      NW    NW       W    SW
Wind char          WY    WY      BZ    BZ      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   OV B2 B2 B2   OV B2 B2 B1   SC SC FW
PoP 12hr           30    50      70    80      70    50      20    20
Rain           C    C  C  C  L    L  D  D  L    L  C  C  S          S

$$
MTZ303-042200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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          59          40          53
Temp          31 29 41 51 56 56 49 44 41 39 45 52 58 58 49 45 43 42 45 50 51 49
Dewpt         25 24 27 21 21 22 25 27 27 26 27 30 33 35 36 37 36 34 34 31 29 28
RH            78 81 57 30 25 26 39 51 57 59 49 43 39 42 61 73 76 73 65 48 42 44
Wind dir      SE SE SE SE SE  E  E  E  E  E  E  E  E  E NW  W  W  W  W  W  W  W
Wind spd       5  5 12 21 21 23 13 17 14 12 10 10 12  9  9 10 13 20 25 28 31 32
Wind gust                          27                                  39 43 46
Clouds        SC SC B1 B1 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2
PoP 12hr                      0           5          20          30          40
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                              C  C  C  C  C
Rain shwrs                                S  S  S  S  C  C  C  C


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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    48      34    45      35    56      34    65
Temp          42   39 46 44 37   36 42 42 38   37 49 54 41   36 59 63
Dewpt         29   29 27 29 32   31 32 32 34   33 35 34 36   32 36 34
PWind dir           W     W      NW    NW      NW    NW       W    SW
Wind char          WY    WY      WY    WY      BZ    GN      GN    GN
Avg clouds    B2   B2 B2 B2 OV   OV B2 B2 B2   B2 B2 B1 SC   SC SC FW
PoP 12hr           40    60      80    70      50    30      10    10
Rain           C    C  C  L  D    D  L  L  C    C  C  C
Snow                                 L

$$
MTZ319-042200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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                      67          44          68          43          53
Temp          33 30 41 54 64 66 58 51 48 45 51 59 65 62 54 50 47 43 44 47 51 51
Dewpt         20 18 22 25 24 25 28 29 30 30 33 35 37 39 40 39 36 33 32 31 29 28
RH            58 60 46 32 22 21 32 42 49 55 50 40 35 43 59 66 65 67 62 53 42 41
Wind dir       S  W  E  E  E  E  E  N NW  W NW  E SE NE  W  W  W  W  W  W  W  W
Wind spd       3  4  4  9 10 12 10  5  5  5  4  6 10 12 10 14 17 21 26 29 33 31
Wind gust                                                           40 46 50 46
Clouds        FW SC SC B1 B1 SC B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2
PoP 12hr                      5          10          60          80          60
QPF 12hr                      0           0        0.07        0.28        0.17
Snow 12hr                 00-00       00-00       00-00
Rain                                                              L  L  C  C  S
Rain shwrs                                      L  L  D  D  D  D
Tstms                                                 S  S  S  S


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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    51      39    51      39    55      38    66
Temp          44   39 47 48 42   39 45 47 42   39 47 53 45   38 56 65
Dewpt         27   25 22 22 25   26 29 30 32   32 35 34 34   31 38 35
PWind dir           W     W       W     W      NW    NW      NW     N
Wind char          WY    WY      WY    BZ      GN    GN      GN    LT
Avg clouds    B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 SC   SC SC FW
PoP 12hr           20    40      60    70      60    50      20    10
Rain           S    S  S  C  C    L  L  L  L    C  C  C  S
Snow                S  S     C    L  L

$$
MTZ326-042200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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          41          66          36          52
Temp          30 28 41 55 63 65 53 49 46 45 51 59 61 60 51 45 43 40 41 45 47 48
Dewpt         21 21 25 25 25 27 29 30 30 30 35 36 39 39 37 35 36 35 34 34 31 30
RH            69 75 52 31 23 24 39 48 53 55 54 42 44 46 59 68 76 82 76 65 53 49
Wind dir       S SE NE  E SE SE  E  E SE SE SE SE SE  S  S SW SW SW  W  W  W  W
Wind spd       5  4  5  8 10 13 17 16 13 13 12 10 10 13 11 10 10 10 21 28 26 29
Wind gust                                                           32 42 40 44
Clouds        FW SC FW B1 B1 B1 SC B1 B2 OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 B2
PoP 12hr                      0           5          70          80          80
QPF 12hr                      0           0        0.10        0.22        0.17
Snow 12hr                 00-00       00-00       00-00
Rain                                                              D  D  L  L  C
Rain shwrs                                S  S  L  L  L  L  D  D
Tstms                                           S  S  S  S


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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            33    51      32    49      33    52      33    62
Temp          40   36 46 46 38   34 42 45 38   35 43 50 40   35 52 60
Dewpt         28   26 24 22 25   26 30 31 32   32 34 34 34   32 37 35
PWind dir           W     W       W     W      NW     W       E    SW
Wind char          BZ    BZ      BZ    GN      GN    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B2 B2   OV B2 B2 B1   B1 SC SC
PoP 12hr           30    40      60    70      60    50      20    20
Rain           C       S  C  C    L  L  L  L    C  C  C  S          S
Snow                   S     C    L  L

$$
MTZ330-042200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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                      59          36          53          28          42
Temp          21 20 33 49 57 57 47 41 40 39 45 51 50 45 37 33 31 29 33 39 41 40
Dewpt         20 20 21 15 17 22 28 28 29 30 34 36 36 32 30 29 27 26 26 27 27 26
RH            96100 61 25 21 25 47 59 64 70 65 56 58 60 75 85 85 88 75 62 57 57
Wind dir       E NE SE  S  S  S SE  E SE SE SE  S  S  S SW SW SW SW SW SW SW  W
Wind spd       2  2  4 10 10 12 10 10 12 12  9 11 11 13 13 14 14 13 16 17 18 21
Wind gust                                                                    34
Clouds        FW FW FW SC SC SC B1 B2 B2 OV B2 OV OV B2 B2 OV OV OV OV OV OV B2
PoP 12hr                      0          30          90          90          90
QPF 12hr                      0        0.02        0.24        0.19        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C  D  D  D
Snow                                                              D  D  D  D  L
Snowshwrs                                                D  D  D
Tstms                                           S  S  S  S
Obvis          F  F


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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            26    41      22    42      24    49      25    56
Temp          31   28 38 38 26   24 37 40 30   26 44 46 32   27 50 53
Dewpt         26   24 22 18 19   19 22 23 26   23 26 26 28   24 27 27
PWind dir          SW     W       W     W      NW     N       N     N
Wind char          BZ    BZ      GN    GN      GN    GN      GN    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 SC   SC SC SC
PoP 12hr           70    70      70    70      50    50      20    20
Rain                                                  C  S          S
Snow           L    C  C  L  L    C  L  L  C    C  C     S

$$
MTZ328-042200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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                      64          44          60          36          50
Temp          31 27 38 53 62 64 54 49 47 45 49 55 58 54 46 40 38 37 39 44 48 48
Dewpt         20 20 23 20 19 24 29 31 31 34 39 38 34 32 32 32 34 32 32 29 26 24
RH            63 74 54 27 19 22 38 50 53 65 68 53 40 43 58 73 85 82 76 55 42 39
Wind dir       S  S SW  S  S  S  E NE  E SE SE  S  S  S  S  S  S SW SW  W  W  W
Wind spd       6  6  5 10 17 18 10  8  8 11 14 23 23 23 20 14 14 13 20 23 26 23
Wind gust                    28                34 34 35 31             35 39 34
Clouds        SC SC SC B1 SC B1 B1 B2 OV B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2
PoP 12hr                      5          20          70          90          70
QPF 12hr                      0           0        0.02        0.15        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C  S
Rain shwrs                             S  L  L  L  L  D  D  D  D
Snow                                                              L  L
Snowshwrs                                                   D  D
Tstms                                           S  S  S  S


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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            32    47      32    48      33    53      34    62
Temp          36   32 43 43 34   32 43 45 37   34 45 50 39   34 53 61
Dewpt         26   23 20 17 21   22 23 24 28   30 30 30 33   31 33 29
PWind dir           W     W       W     W      NW     N      NE     N
Wind char          BZ    BZ      BZ    GN      GN    GN      GN    LT
Avg clouds    B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 SC   SC SC FW
PoP 12hr           20    40      40    40      30    20       5     5
Rain           S                        C  C    S  S  S
Snow           S    S  C  C  C    C  C  C  C    S  S

$$
MTZ305-042200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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          70          43          57
Temp          31 28 43 55 61 61 51 47 45 41 49 61 67 68 58 51 48 45 49 53 54 52
Dewpt         26 24 29 25 24 26 28 28 27 27 31 35 38 39 43 43 41 40 41 40 40 40
RH            81 85 57 31 24 26 41 47 49 57 50 38 34 34 57 74 77 82 74 61 59 63
Wind dir      SE  E  E  E SE  E  E  E  E  E  E  E  E  E  E SW  W  W  W  W  W  W
Wind spd       4  4  5 10 11 14 16 19 18 20 21 18 16 13 10  8 11 12 18 18 20 21
Wind gust                          29
Clouds        FW SC FW SC SC SC SC B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV B2
PoP 12hr                      0           0          10          80          70
QPF 12hr                      0           0           0        0.16        0.28
Snow 12hr                 00-00       00-00       00-00
Rain                                                              L  L  L  L  L
Rain shwrs                                            L  L  D  D


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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    49      37    50      38    59      38    66
Temp          46   42 46 45 40   39 46 48 43   40 53 56 45   40 59 64
Dewpt         38   37 36 35 36   36 39 39 40   38 42 41 41   38 41 40
PWind dir           W     W      NW    NW      NW    NW       W    SW
Wind char          WY    VW      WY    BZ      GN    GN      GN    GN
Avg clouds    B2   OV B2 B2 OV   OV OV B2 B2   B2 B2 B1 SC   SC SC SC
PoP 12hr           70    80      90    80      70    50      20    20
Rain           L    L  L  D  D    D  D  D  L    C  C  C  S          S

$$
MTZ314-042200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
227 AM MDT Sat May 4 2024

Date             Sat 05/04/24            Sun 05/05/24            Mon 05/06/24
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          36          66          39          49
Temp          25 25 41 51 56 56 47 43 40 38 49 59 63 63 51 46 44 41 44 46 46 46
Dewpt         22 20 24 23 26 26 28 25 24 25 31 34 36 39 42 40 38 36 36 34 33 32
RH            88 81 50 33 31 31 47 49 52 59 50 39 36 41 71 79 79 82 73 63 60 58
Wind dir      SE SE SE SE SE SE  E  E  E  E  E  E  E SE SW  W  W  W  W  W  W  W
Wind spd       5  6  9  9 10 12 14 23 18 10 11 12 13 10 10 10 12 13 18 23 27 32
Wind gust                          34                                  34 41 48
Clouds        FW FW SC SC SC SC SC B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0           5          20          80          70
QPF 12hr                      0           0           0        0.16        0.18
Snow 12hr                 00-00       00-00       00-00
Rain                                                              L  L  L  L  C
Rain shwrs                                      S  S  D  D  L  L
Tstms                                                 S  S  S  S


Date               Tue 05/07/24  Wed 05/08/24  Thu 05/09/24  Fri 05/10/24
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            35    46      32    40      33    49      34    59
Temp          39   37 43 43 36   35 38 39 36   35 43 47 38   36 52 57
Dewpt         29   27 26 28 30   31 32 33 33   33 37 38 35   33 38 38
PWind dir           W     W       W    NW      NW    NW       W     W
Wind char          VW    VW      WY    WY      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   OV OV OV B2   B2 B2 B2 B1   B1 SC B1
PoP 12hr           50    60      80    80      80    70      30    30
Rain           C    C  C  L  L    D  D  D  D    L  L  L  C    S  S  C
Snow                C  C  L  L    D  D

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