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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
931 AM MDT Thu Sep 19 2019

MTZ012-192300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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                      62          42          63          43          65
Temp                   54 61 61 53 49 45 44 49 59 63 61 51 46 43 43 46 58 64 64
Dewpt                  43 43 40 41 43 42 43 43 44 43 42 42 41 41 42 42 41 39 39
RH                     66 51 46 64 80 89 96 80 57 48 49 71 83 93 96 86 53 40 40
Wind dir               NW  N  N  N  W SW SW  W NW NW  N NW NW SW  W SW SW  W  W
Wind spd                5  5  6  6  5  6  5  6  9  9  8 10 11 11  9 10 14 14 13
Clouds                 B2 B1 B1 B2 SC B1 SC SC B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC
PoP 12hr                     10          40          50          60          30
QPF 12hr                      0           0        0.03        0.11        0.03
Snow 12hr                 00-00       00-00       00-00
Rain                                S     S  S  C  C  L  L  C  C  C  C  S  S
Obvis                                    PF PF


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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            45    71      47    68      45    69      45    69
Temp          49   45 64 70 52   47 62 66 49   45 62 67 51   45 62 67
Dewpt         38   35 39 39 40   39 39 36 36   35 36 35 36   36 36 35
PWind dir          SW    SW      SW     W       W    SW       W     W
Wind char          GN    BZ      GN    GN      GN    BZ      BZ    GN
Avg clouds    SC   FW FW SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC
PoP 12hr           10     0      10    10      10    10      20    20
Rain                                                     S    S  S

$$
MTZ010-192300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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                      60          38          63          41          64
Temp                   55 59 59 50 45 41 38 46 58 62 61 51 45 43 41 47 58 63 63
Dewpt                  43 42 39 42 40 37 35 39 41 40 41 40 40 40 39 41 40 38 39
RH                     64 53 47 74 82 85 89 76 53 44 48 66 82 89 92 79 51 39 41
Wind dir               NW NW  N  N  W  W  W  W NW NW  N NW NW NW  W  W  W  W  W
Wind spd                5  6  6  4  6  6  8  9 10 12 12 16 17 13  6  8 11 14 17
Clouds                 B1 B1 B1 SC FW FW FW FW SC SC B1 B1 B1 B1 SC SC FW SC SC
PoP 12hr                      5           5          10          40          10
QPF 12hr                   0.01           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  C  C


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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            44    68      44    66      44    66      42    66
Temp          47   44 63 65 49   44 60 64 48   44 60 64 49   42 59 64
Dewpt         38   38 40 37 40   38 42 37 37   35 37 36 38   36 37 37
PWind dir           W    SW      SW     W       W     W       W     W
Wind char          GN    GN      GN    GN      BZ    BZ      BZ    GN
Avg clouds    FW   FW FW SC B1   B1 B1 SC SC   B1 B1 SC SC   SC SC SC
PoP 12hr            0     5      10    10       5    10      20    10
Rain                                                     S    S

$$
MTZ014-192300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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                      61          43          60          41          64
Temp                   57 60 60 51 48 44 43 47 55 59 58 50 47 43 41 46 56 62 63
Dewpt                  48 48 47 47 42 41 40 43 46 46 46 43 42 41 39 42 43 41 38
RH                     72 64 62 86 80 89 89 86 72 62 64 77 83 93 92 86 62 46 39
Wind dir               NW  N NW  W  W  W  W  W NW NW NW NW  W  W  W  W  W  W  W
Wind spd                5  5  8  5  5  6  4  5 11 11 10 10 10  5  4  4  9 11 11
Clouds                 OV B2 B2 OV B1 B1 B1 B2 B2 B2 OV OV B2 B2 B1 B1 B1 SC SC
PoP 12hr                     30          80          70          80          30
QPF 12hr                   0.02        0.15        0.10        0.15        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                          S  D  C  S  C  C  L     D  D  C  C  C  C  S  S
Rain shwrs                                         L
Tstms                                              S


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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    71      44    66      43    70      44    71
Temp          47   41 61 69 51   44 59 65 48   43 61 69 51   44 62 70
Dewpt         39   37 40 37 40   40 43 37 39   38 42 38 41   38 42 39
PWind dir          SW     S      SW     W       W     W       W     W
Wind char          LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    SC   SC FW SC B1   B1 B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr            5     5      20    20      10    10      20    10
Rain                         S    S  S                   S    S

$$
MTZ055-192300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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                      66          40          52          38          60
Temp                   60 66 63 50 45 41 40 43 48 51 51 45 42 39 38 41 53 59 59
Dewpt                  45 44 44 44 41 40 39 41 44 46 45 43 40 38 36 39 41 40 39
RH                     58 45 50 80 86 96 96 93 86 83 80 93 93 96 92 92 64 49 47
Wind dir               NW NW NW NW  W SW  W  W  W  W NW  W SW SW SW  W  W  W  W
Wind spd                4  6  6  4  9  6  4  5 11 12 11 12  5  5  4  3  8 11 10
Clouds                 B2 B2 B1 B2 B2 B2 OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC
PoP 12hr                     80          50          90          90          40
QPF 12hr                   0.01        0.07        0.39        0.31        0.07
Snow 12hr                 00-00       00-00       00-00
Rain                          C  C  C  C  L  L        D  D  L  L  C  C  C  C
Rain shwrs                                      D  D
Tstms                                           S  S
Obvis                              PF PF PF PF             PF PF PF


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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      39    67      39    70      40    70
Temp          44   37 59 67 46   39 60 65 45   39 61 68 47   40 62 68
Dewpt         37   34 38 39 35   35 42 40 39   37 39 39 38   36 39 39
PWind dir          SW    SW       S     W       W    SW       W     W
Wind char          GN    LT      GN    LT      LT    LT      GN    LT
Avg clouds    SC   SC FW SC SC   SC B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr           10     0      20    20      10    10      20    20
Rain                              S  S  S                S    S  S

$$
MTZ055-192300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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          31          44          28          49
Temp                   60 65 63 49 36 32 31 34 41 44 42 35 32 30 28 33 45 48 48
Dewpt                  36 32 33 36 33 32 31 34 39 40 38 35 31 29 27 32 38 38 37
RH                     41 29 32 61 89100100100 92 86 86100 96 96 96 96 76 68 65
Wind dir                S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd                2  8  5  2 11  9  3  3 10  8  8  9  9  8  4  3  6 11  9
Wind gust                 26 16
Clouds                 B1 B1 B1 B1 B1 B1 OV OV OV OV OV OV B2 OV OV B2 B2 B1 B1
PoP 12hr                     20          60          90          80          50
QPF 12hr                      0        0.07        0.19        0.27        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                       S  S  C  S  C  D  D        D  D  L  L  C  C  C  C  S
Rain shwrs                                      D  D
Snow                                   C  D                 L  L  C
Tstms                                           S  S
Obvis                              PF PF  F  F             PF PF PF


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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    57      30    58      28    62      29    64
Temp          32   26 50 56 38   30 54 56 36   28 55 61 38   29 58 62
Dewpt         32   26 34 31 33   30 38 36 34   28 38 37 35   29 36 35
PWind dir          SW    SW       S    SW       W    SW      SW    SW
Wind char          LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC FW   SC B1 B1 SC   SC SC SC FW   FW SC FW
PoP 12hr           20     5      20    30      10     5      10    10
Rain           S                  S  C  S
Snow                              S

$$
MTZ008-192300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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                      57          40          50          36          58
Temp                   52 57 56 47 44 41 40 40 43 49 49 43 39 37 36 38 49 55 57
Dewpt                  45 44 46 42 41 39 40 39 42 43 43 40 38 36 35 37 37 34 34
RH                     77 62 69 83 89 92100 96 96 80 80 89 96 96 96 96 63 45 42
Wind dir                N  N  N  N  N SW NW NW  N  W NW NW NW SW SW SW SW  W  W
Wind spd                5  6  9  9  9  5  5  5 11 12 10  6 10  8  8  8  9 11 10
Clouds                 OV B2 OV B2 B2 B2 OV OV OV OV OV B2 B1 B1 B1 SC SC SC SC
PoP 12hr                     70          90          80          70          20
QPF 12hr                   0.14        0.14        0.23        0.17           0
Snow 12hr                 00-00       00-00       00-00
Rain                       C  D  S  C  C  L  L  D     L  L  C  C  S  S  S  S
Rain shwrs                                         D
Tstms                                              S
Obvis                              PF PF PF PF             PF PF PF


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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    65      40    61      37    68      40    69
Temp          42   37 55 63 47   40 52 60 42   37 56 67 47   40 59 67
Dewpt         32   32 37 36 34   36 40 37 34   33 36 38 37   35 39 37
PWind dir          SW     S       S     W       W    SW       W     W
Wind char          GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    SC   FW FW SC SC   B1 B1 B1 SC   SC SC FW FW   FW SC SC
PoP 12hr            5     5      20    20       5     5       5     5
Rain                         S    S  S  S

$$
MTZ011-192300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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                      69          42          69          43          69
Temp                   63 69 68 56 50 46 44 50 63 69 66 55 50 46 43 49 62 69 66
Dewpt                  48 46 46 47 46 44 43 45 47 46 45 45 45 43 41 44 44 42 40
RH                     58 44 45 72 86 93 96 83 56 44 47 69 83 89 93 83 52 37 38
Wind dir               NW NW NW NW  W SW SW  W NW NW NW NW NW NW NW SW  W  W  W
Wind spd                8 10  9  5  5  5  5  6  6  9 10  9 10 12 10  8 10 12 10
Clouds                 B2 B1 B1 SC B1 B1 FW FW B1 B1 B2 B1 B1 B2 B1 SC SC SC SC
PoP 12hr                      5           5          20          50          30
QPF 12hr                      0           0        0.01        0.07        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                            S  S  C  C  C  C  C  C  S  S
Obvis                              PF PF PF PF


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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            44    74      47    73      45    73      43    69
Temp          51   44 67 72 52   47 67 70 51   45 65 70 52   43 62 66
Dewpt         40   39 42 39 38   40 43 40 40   37 40 39 39   36 36 35
PWind dir          SW    SW      SW     W       W     W       W     W
Wind char          GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    FW   FW FW FW FW   B1 B1 SC SC   SC SC SC SC   SC FW FW
PoP 12hr            5     0       5    10       5    10      20    10
Rain                                                     S    S

$$
MTZ051-192300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
931 AM MDT Thu Sep 19 2019

Date             Thu 09/19/19            Fri 09/20/19            Sat 09/21/19
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          41          56          41          60
Temp                   57 62 61 50 47 43 42 49 56 54 51 46 45 43 41 47 54 60 58
Dewpt                  41 43 43 42 40 39 39 43 46 46 45 44 42 41 40 41 40 42 40
RH                     55 50 51 74 76 86 89 80 69 74 80 93 89 93 96 79 59 51 51
Wind dir               NW NW NW NW SW SW  W  W NW NW NW NW NW  W  W  W  W  W  W
Wind spd               10 11 10  5  5  4  5  4  8  9 10 12  9 10 10 10 12 13 10
Clouds                 B2 B1 SC B1 B1 OV B1 B1 OV OV OV OV OV B2 B2 B1 B1 B1 B1
PoP 12hr                      5          20          80          80          40
QPF 12hr                      0        0.01        0.19        0.38        0.10
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  D  D        C  C  C  C  C  C
Rain shwrs                                            D  D
Tstms                                                 S  S


Date               Sun 09/22/19  Mon 09/23/19  Tue 09/24/19  Wed 09/25/19
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      44    66      43    67      43    65
Temp          47   43 64 66 49   44 64 64 48   43 64 63 49   43 61 63
Dewpt         37   36 38 42 38   36 41 42 39   34 38 36 36   35 37 38
PWind dir           W     W      SW     W       W     W       W     W
Wind char          GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC   FW FW SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr           10     0      10    10      10    10      20    20
Rain                                                     S    S  S

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



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