Point Forecast Matrices
Issued by NWS Great Falls, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6
815
FOUS55 KTFX 152009
PFMTFX

Point Forecast Matrices
National Weather Service Great Falls MT
209 PM MDT Sat Jun 15 2024

MTZ312-161000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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          65          42          51          40
Temp          65 61 54 48 45 42 50 58 63 63 56 50 45 42 45 48 49 48 46 44 42 40
Dewpt         52 33 26 23 22 21 21 21 20 20 24 30 35 36 38 39 41 39 40 40 38 37
RH            63 35 34 37 40 43 31 23 19 19 29 46 68 79 76 71 74 71 79 86 86 89
Wind dir      NW  W  W SW SW SW SW  W  W NW  N  N NE NE NE NE  N  N  W SW SW  W
Wind spd      23 31 29 29 31 31 27 21 17 13 12 10  6  6 10 11 11 10 10  9  9  9
Wind gust     37          41    43
Clouds        B2 SC FW FW FW FW CL FW FW B1 OV OV OV OV B2 OV OV OV B2 B2 B2 B2
PoP 12hr                      5           5          40          80          60
QPF 12hr                   0.01           0        0.04        0.52        0.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L                                C  C  L  L  D  D  L  L  C  C  C
Tstms          S                                                  S  S


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          61      38    69      43    76      50    76      51    79
Temp          53 60 45   39 61 69 52   44 67 75 58   51 68 75 58   52 71 79
Dewpt         37 39 38   35 39 37 41   37 42 43 47   44 48 48 50   46 48 46
PWind dir         W      SE    SW      SE    NW       E    NW       E     W
Wind char        GN      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    B2 B1 SC   SC FW SC SC   SC SC SC SC   B1 SC B1 SC   SC SC SC
PoP 12hr         50      10    20      10    10      20    30      20    20
Rain shwrs     C  C             S                S          C  S          S
Tstms             S                                         S  S          S

$$
MTZ303-161000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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                      40          59          36          56          37
Temp          59 55 48 43 42 41 48 54 57 57 50 42 38 37 44 50 54 53 49 42 39 37
Dewpt         41 27 27 26 26 23 24 26 27 27 30 34 33 33 33 33 36 34 35 37 36 34
RH            51 34 44 51 53 48 39 34 31 31 46 73 82 85 65 52 50 48 58 82 89 89
Wind dir      SW  W  W  W  W  W  W  W  W  W NW  N NW NW  N  N  N  N NW  W NW NW
Wind spd      34 41 40 39 36 33 28 24 23 18 13  6  5  5  9 11 11 11  9 10 10 10
Wind gust     49 55 54 51 50 44 49 35 33
Clouds        B2 SC FW FW FW SC B1 B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     10          30          20          60          50
QPF 12hr                      0           0           0        0.02        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C              S  S  S  C  S  S  S  S  C  C  L  L  C  C  C  C  C
Snowshwrs                     S
Tstms                                                             S  S
High Wind      W  W  W  W  W  W


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          57      34    67      39    73      46    74      48    78
Temp          50 56 42   35 59 66 48   40 68 72 55   47 68 70 55   49 70 77
Dewpt         34 36 37   32 36 36 39   34 39 38 43   41 47 47 47   43 45 44
PWind dir        NW      SW     S      SW     E       E     E      SE     S
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 B1   SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC
PoP 12hr         60      10    20       5    10      10    20      10    10
Rain shwrs     C  L             S                           S
Tstms             S             S                           S

$$
MTZ319-161000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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          67          44          53          41
Temp          69 63 58 51 46 42 50 59 65 65 60 53 48 46 45 48 51 48 48 46 44 42
Dewpt         50 32 26 26 24 22 22 21 21 21 23 28 32 35 35 37 39 37 37 38 36 34
RH            51 31 29 37 42 44 33 23 18 18 24 38 54 65 68 65 63 65 65 73 73 73
Wind dir       W  W  W  W SW SW  W  W  W NW NW NW  N NW  N  N NW NW  W  W  W SW
Wind spd      25 28 24 19 16 13 13 13 14 13 10  9  6  5  6  9 10 10 10  8  6  5
Wind gust     40 40 37 31 26 24 31 24 26                      20
Clouds        B2 SC FW FW FW FW FW SC SC B2 B2 B2 OV OV B2 OV OV OV B2 B2 B2 B1
PoP 12hr                      0           0          60          90          70
QPF 12hr                      0           0        0.07        0.46        0.27
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C                          C  C  L  L  D  D  D  D  L  L  C  C  C
Tstms          S                                            S  S


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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      41    73      46    79      53    82      53    85
Temp          55 62 49   42 63 72 56   47 68 77 61   54 73 76 62   54 74 83
Dewpt         36 37 37   32 38 36 38   34 40 41 42   41 48 46 47   43 47 45
PWind dir         W      SW    SE       S    NE      NW     N      NW    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC   FW FW SC SC   SC SC SC B1   B1 SC B1 SC   SC SC SC
PoP 12hr         50      10    20      10    10      10    20      20    20
Rain shwrs     C  C             S                           S  S          S
Tstms             C             S                           S  S          S

$$
MTZ326-161000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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                      35          66          40          56          36
Temp          73 65 56 48 41 36 46 57 64 66 58 50 43 41 45 51 53 47 44 42 38 37
Dewpt         47 40 34 31 28 27 26 26 26 26 30 32 32 34 36 38 44 41 38 38 36 34
RH            40 40 43 51 59 69 45 30 23 22 34 50 65 76 70 61 71 79 79 86 92 89
Wind dir       W NW NW  W  W SW  W NW NW  N  N  N NE  E NE  N NW NW  W SW SW SW
Wind spd      20 23 18 12  9  6  6  8 10  9  9  8  5  5  5  5  8  9  8  5  5  4
Wind gust     36 34
Clouds        B2 B1 B1 B1 SC FW FW SC SC B2 OV B2 B2 OV B2 OV OV OV B2 B2 B2 B2
PoP 12hr                     10           5          40          90          70
QPF 12hr                   0.01           0        0.03        0.37        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L                          C  C  C  C  L  L  D  D  L  L  C  C  C
Tstms          C                                            S  S  S  S


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          61      35    71      41    77      49    79      49    81
Temp          50 60 44   35 60 70 51   42 66 75 58   49 70 77 58   50 70 80
Dewpt         36 36 35   32 37 38 38   36 42 44 45   45 50 50 48   46 49 48
PWind dir         W      SE    SW       E     N       E     N       E     W
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC   SC FW SC SC   SC SC SC B1   B1 SC B1 SC   SC SC SC
PoP 12hr         40      10    20      10    10      10    30      20    20
Rain shwrs     C  C             S                           C  S          S
Tstms             S             S                           C  S          S

$$
MTZ330-161000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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                      35          60          37          51          29
Temp          70 66 57 48 40 35 46 56 59 60 51 45 40 37 46 48 50 47 40 36 31 30
Dewpt         37 29 28 30 29 28 24 22 21 21 26 28 30 30 31 30 29 25 30 31 29 28
RH            30 25 33 49 64 75 42 26 23 22 37 51 67 75 55 49 44 42 67 82 92 92
Wind dir      SW SW SW  W  W  S SW SW SW SW  S  S  E  E  S SW SW SW  W  W  W SW
Wind spd      28 25 19 11  6  5  8 12 13 12  9  3  2  2  5 13 14 13 10  4  2  2
Wind gust     47 41 36          20 24 26 26 20             25 28 27 21
Clouds        FW SC B1 B1 B1 SC SC SC SC B1 B1 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                      5           0          10          60          60
QPF 12hr                      0           0           0        0.01        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  L  L  L  L  C
Snowshwrs                                                            L  C  C  S
Tstms                                                       S  S  S  S
Winter Storm                                                      A  A  A  A  A


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          55      28    65      33    73      40    75      43    77
Temp          48 54 37   28 59 64 44   33 67 71 51   41 71 72 53   43 71 76
Dewpt         24 24 29   26 23 22 31   29 32 34 41   39 39 38 44   41 38 37
PWind dir        SW       S     S      SE    SE       N    SE       E     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC   SC FW FW SC   SC SC B1 B1   SC SC SC SC   SC SC FW
PoP 12hr         30      10    10       5    10      10    20      10    10
Rain shwrs     S  C                                         S
Snowshwrs      S
Tstms             C                                         S

$$
MTZ328-161000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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          65          38          51          32
Temp          73 68 55 46 38 34 43 55 63 65 56 47 40 39 42 48 49 46 42 38 35 33
Dewpt         40 27 29 28 25 24 23 21 19 20 24 27 30 31 33 35 39 36 35 33 31 30
RH            30 21 37 49 59 66 45 26 18 18 29 45 67 73 70 60 68 68 76 82 85 89
Wind dir       W  W NW  N  S SW SW SW  W NW  N  N  N  N  N  N NW NW  W SW SW SW
Wind spd      39 33 25 17 11  6  6  9 11 11 14 14 11 10 10 10 12 11 10  9  6  5
Wind gust        46                   21
Clouds        B1 SC SC SC FW FW FW SC SC OV B2 B2 OV B2 B2 OV OV B2 B2 B2 B1 SC
PoP 12hr                      0           5          40          80          50
QPF 12hr                      0           0        0.02        0.26        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C                                C  C  L  L  D  D  C  C  S  S  S
Tstms                                                       C  C  S  S


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          58      34    68      41    74      46    77      48    82
Temp          49 58 44   35 59 68 49   42 64 73 54   46 69 77 57   48 71 82
Dewpt         32 27 33   29 31 26 34   33 36 33 40   39 43 39 44   43 43 38
PWind dir        SW       S    SW      NE    NE      NE     N      NE    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    SC SC SC   FW FW FW SC   SC SC SC B1   SC SC SC SC   SC SC FW
PoP 12hr         20      10     5       5     5       5    10      10    10
Rain shwrs     S  S
Tstms             S

$$
MTZ305-161000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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          64          42          57          42
Temp          69 63 58 49 46 46 53 57 62 62 56 47 44 43 49 54 56 53 51 45 44 42
Dewpt         40 41 32 30 28 29 31 34 36 35 38 41 41 39 41 42 43 43 44 43 43 41
RH            35 44 37 48 49 51 43 42 38 36 51 79 89 86 74 64 62 69 77 93 96 96
Wind dir       W  W  W SW SW SW  W  W  W NW NW NW  W  N  N NE NE  N  W SW  W  W
Wind spd      17 21 27 27 29 29 26 25 21 17 12  5  4  4  5  8 10 10  8  8  8  8
Wind gust              37 40 40 44 36 33
Clouds        OV B1 FW FW FW SC SC B2 B2 SC B1 B2 OV OV B2 OV B2 B2 B2 B2 B2 B2
PoP 12hr                     10          20          20          80          60
QPF 12hr                   0.01           0           0        0.22        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D                 S              S  S  C  C  D  D  L  L  C  C  C
Tstms                                                       S  S  S  S


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          61      41    72      46    78      53    77      53    79
Temp          56 60 46   41 64 71 53   47 71 75 59   54 71 73 59   54 73 77
Dewpt         41 40 41   39 43 42 45   43 48 46 48   49 53 53 53   51 54 51
PWind dir         W      SE    SE      SE     E       E     E       E    SE
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B1 B1   SC FW SC SC   SC SC SC SC   B1 SC B1 B1   B1 B1 SC
PoP 12hr         50      20    20      20    20      20    40      30    20
Rain shwrs     C  C  S          S  S          S  S    S  S  C  C    S  S  S
Tstms             C             S             S             S  S          S

$$
MTZ314-161000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
209 PM MDT Sat Jun 15 2024

Date           06/15/24      Sun 06/16/24            Mon 06/17/24            Tue
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                      37          63          38          51          35
Temp          71 59 53 46 40 38 48 57 61 61 53 47 42 39 45 48 49 47 43 40 38 36
Dewpt         53 42 33 26 21 19 19 21 21 22 26 28 31 33 36 39 43 41 39 38 37 35
RH            53 53 46 45 46 46 31 24 21 22 35 47 65 79 70 71 80 79 86 92 96 96
Wind dir       W NW NW  W  W SW  W  W NW NW  N  E NE  E  E NE NE  N NW  W  W  W
Wind spd      18 23 25 21 20 17 18 18 16 13  9  5  4  5  8 10 10 10 10  9  9  9
Wind gust                       32    26
Clouds        OV B2 FW SC SC FW FW FW SC B1 B1 OV B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                     10           0          40          90          80
QPF 12hr                   0.01           0        0.02        0.31        0.35
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D                          S  S  C  C  L  L  D  D  D  D  C  C  C
Tstms          C                                                  S  S


Date           06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24  Sat 06/22/24
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          58      36    68      42    73      48    72      49    74
Temp          51 57 42   37 61 67 49   43 67 72 56   49 67 69 56   50 69 74
Dewpt         38 36 36   32 38 40 39   37 44 48 46   45 50 51 50   47 50 50
PWind dir        NW       S     S      SE    SE       E     E       E     W
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 SC   SC FW B1 SC   SC SC SC B1   B1 B1 B1 B1   B1 SC SC
PoP 12hr         60      10    30      10    20      30    50      30    30
Rain shwrs     C  L             C             S  C    S  S  C  C    S  S  C
Tstms             S             S             S  S          C  C          C

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