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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
405 AM MDT Thu Aug 24 2017

MTZ012-242300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      85          52          81          51          84
Temp             62 71 81 84 79 69 64 59 53 61 70 79 80 69 62 55 51 62 74 82 83
Dewpt            39 42 43 43 47 49 50 50 45 44 40 38 37 37 38 37 37 36 31 25 24
RH               43 35 26 24 32 49 60 72 74 53 33 23 21 31 41 51 59 38 20 12 11
Wind dir         SW SW SW SW  W  S SW SW  W  N  N  E NE  E  S SW SW  W  W NW  N
Wind spd          9  9 13 17 16 10 11 10  9  8  8  9  6  5  6  8  6  6  6  6  8
Clouds           B2 B2 OV OV OV B2 B1 SC SC FW FW FW FW FW SC FW FW FW CL CL CL
PoP 12hr                     20          30          10           5           0
QPF 12hr                   0.01        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C
Tstms                      S  C
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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            50    90      53    91      53    87      55    87
Temp          61   50 79 89 65   54 82 89 65   54 77 86 66   56 78 86
Dewpt         29   32 32 29 33   34 35 32 36   38 40 36 40   41 43 37
PWind dir          SE     S      SE    SW      NE     W       E    SW
Wind char          LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    CL   CL CL CL CL   CL CL FW FW   FW FW FW SC   SC SC FW
PoP 12hr            0     0       0     0       0     0       0     5

$$
MTZ010-242300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      80          46          77          44          82
Temp             58 68 77 78 79 68 60 52 47 55 66 73 76 64 56 48 44 58 73 79 81
Dewpt            40 42 44 47 45 44 44 44 40 41 35 31 29 28 31 32 33 30 26 25 26
RH               51 39 31 33 30 42 55 74 76 59 32 21 18 25 38 54 65 34 17 14 13
Wind dir          W  W  W SW SW  W  W  W NW  N  E  S SW  W  W  W  W  W NW  W NW
Wind spd          9 12 19 23 23 13 11 11 11  9  9  9  8  8  5  8  9  9  8  8  9
Clouds           B1 OV OV OV SC B1 FW FW FW CL CL CL FW FW SC FW FW FW CL CL FW
PoP 12hr                     40          10           0           0           0
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  S
Tstms                S  C  S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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    87      49    86      49    83      50    83
Temp          56   45 77 85 61   50 79 83 61   50 74 82 61   51 75 81
Dewpt         31   35 32 30 35   37 37 35 39   42 42 37 42   43 42 38
PWind dir           W     S      SW     W       N    NE      SW    SW
Wind char          LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    CL   CL CL CL CL   CL FW FW FW   FW FW FW SC   FW FW FW
PoP 12hr            0     0       0     0       0     0       0    10

$$
MTZ014-242300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      83          55          84          53          87
Temp             62 68 79 82 77 68 63 58 56 61 74 83 82 70 62 56 53 61 75 85 86
Dewpt            43 45 46 47 49 51 51 51 48 48 47 45 44 45 42 41 40 38 36 30 30
RH               50 43 31 29 37 54 65 77 74 62 38 26 26 41 48 57 61 42 24 14 13
Wind dir         SW  W NW  W SW SW  W SW SW  N  E  S  W SW  W SW SW  W  W  W NW
Wind spd          5  5  6 10  9  6  6  3  4  4  5  9  8  5  5  4  2  3  5  8 10
Clouds           B2 B2 B2 B2 B2 B2 B1 SC SC SC FW SC SC B1 SC FW FW FW CL CL CL
PoP 12hr                     30          30          20          20           0
QPF 12hr                   0.04        0.01           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  C  S  S  S        S  S  S  S
Tstms                   C  C  C     S  S        S  S  S  S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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            51    91      54    92      55    89      55    88
Temp          62   51 78 90 66   55 82 91 67   56 79 88 67   56 79 87
Dewpt         33   34 37 32 36   37 39 34 38   39 42 38 43   42 44 38
PWind dir          SW     S       S    SW      NW    SE       W     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL   CL CL CL CL   CL CL FW FW   FW FW FW SC   SC FW SC
PoP 12hr            0     0       0     0       0     5       5     5

$$
MTZ055-242300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      81          49          83          49          85
Temp             58 66 78 78 75 64 59 54 50 60 76 83 80 67 59 53 49 59 75 84 84
Dewpt            46 48 47 48 49 51 51 50 46 49 48 42 43 46 47 45 44 47 44 37 36
RH               64 52 33 35 40 63 75 86 86 67 37 24 27 47 64 74 83 64 33 19 18
Wind dir         SE NW  W  W SW  S SE SE  S  E NW  W SW SE SE  S  S SW  W  W NW
Wind spd          8  5  8 12 12 10  8  6  6  5  6  9  6  6  5  5  4  3  4  5  5
Clouds           B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 SC FW FW FW FW FW FW
PoP 12hr                     40          40          20          20           0
QPF 12hr                   0.05        0.03           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  C  C              S  S  S  S
Tstms                   C  C  C  S              S  S  S  S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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            48    89      50    90      51    88      50    87
Temp          58   48 78 87 61   52 80 88 62   53 80 86 62   51 78 85
Dewpt         40   39 40 36 41   39 40 35 40   40 42 37 43   43 45 40
PWind dir           E     W      NE    SW      NE    SW       E     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   CL CL CL CL   CL CL FW FW   FW FW SC SC   SC FW SC
PoP 12hr            0     0       0     0       0    20      20     5
Rain shwrs                                            S  S
Tstms                                                 S  S

$$
MTZ055-242300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      70          38          75          39          77
Temp             50 56 65 69 65 58 52 48 39 51 68 75 71 58 50 44 39 52 69 76 75
Dewpt            45 47 47 46 47 48 46 44 38 46 44 39 42 46 43 41 38 45 40 34 34
RH               83 72 52 44 52 69 80 86 96 83 42 27 35 64 77 89 96 77 35 22 22
Wind dir         SE SW SW SW  W NW  S NE SE SE SW SW  W  E  S  S  S  S  W  W  W
Wind spd          4  5 12 13 12  8  5  5  3  3  9 16  9  4  2  1  1  1  4  9  9
Clouds           B1 B1 B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW FW FW FW
PoP 12hr                     40          40          30          20           0
QPF 12hr                   0.06        0.04        0.03        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  C  C  C              C  C  S  S
Tstms             S  S  C  C  C  S              C  C  S  S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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    80      39    80      39    79      39    78
Temp          50   38 72 77 53   40 72 77 52   40 72 76 52   40 70 76
Dewpt         37   36 39 37 37   35 38 38 35   35 39 38 39   37 40 39
PWind dir           N     S      SW     S       N     S       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   CL FW FW FW   CL CL FW FW   FW FW FW SC   SC SC SC
PoP 12hr            0     0       0     0       0     5       5    20
Rain shwrs                                                          S
Tstms                                                               S

$$
MTZ008-242300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      79          47          81          48          84
Temp             55 62 74 78 74 63 57 52 48 56 74 81 78 67 57 52 48 57 74 82 83
Dewpt            47 49 48 46 47 49 48 47 41 45 45 42 42 42 42 40 39 43 42 38 37
RH               74 62 40 32 38 60 72 83 77 66 35 25 28 40 57 63 71 59 32 21 19
Wind dir          S SW SW  W  W  S  S  S  S SW SW SW  W  E  S  S  S SW  W  W NW
Wind spd          8  9  9 11 12  9  9  8  9  8  8 12  9  6  5  6  6  5  3  5  8
Clouds           B2 B1 B1 B1 B2 B1 SC SC SC FW SC SC B1 SC FW FW FW CL FW FW FW
PoP 12hr                     40          30          20          10           0
QPF 12hr                   0.07        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  C  S              S  S
Tstms                   C  C  C  S              S  S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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            48    87      49    87      49    86      50    84
Temp          58   48 75 85 60   50 77 85 60   50 77 84 61   51 75 83
Dewpt         35   35 40 37 37   36 38 36 38   38 41 38 41   40 43 38
PWind dir           E     W      SW    SW      SW    SW       S    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   CL CL CL CL   CL CL FW FW   FW FW FW SC   SC FW FW
PoP 12hr            0     0       0     0       0    20      20     5
Rain shwrs                                            S  S
Tstms                                                 S  S

$$
MTZ011-242300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      88          53          81          51          85
Temp             60 71 84 87 83 72 67 62 54 60 71 79 80 68 63 55 51 60 75 82 84
Dewpt            39 41 42 42 46 49 49 51 46 45 42 37 35 36 38 39 41 42 40 33 30
RH               46 34 23 21 27 44 52 67 74 58 35 22 20 31 39 55 68 51 28 17 14
Wind dir         SW SW  W  W  S SE  S SW  W NW NW NW  N NE  E SE  S SW  W  W NW
Wind spd          8 10 10 10 10  8  8 10 10 10 10  9  5  6  5  4  5  5  8 10  9
Clouds           SC B1 B2 OV OV B2 B1 SC FW FW FW CL CL FW SC SC FW FW FW CL FW
PoP 12hr                     20          20           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S
Tstms                         S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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            49    91      52    91      52    87      55    88
Temp          61   49 81 89 65   53 81 89 65   53 78 86 66   56 79 87
Dewpt         34   35 36 32 37   39 40 36 40   42 44 39 42   45 46 41
PWind dir          SW     S      SE     S       N     N       E     S
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    CL   CL CL CL CL   CL CL FW FW   FW FW FW FW   SC SC FW
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ051-242300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
405 AM MDT Thu Aug 24 2017

Date             Thu 08/24/17            Fri 08/25/17            Sat 08/26/17
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                      85          52          80          51          83
Temp             62 70 81 84 78 66 62 59 53 61 72 79 78 66 60 55 51 63 75 81 81
Dewpt            38 41 41 40 45 51 50 48 45 45 41 42 42 46 45 43 41 41 36 33 31
RH               41 35 24 21 31 58 65 67 74 56 33 27 28 48 58 64 68 44 24 18 16
Wind dir          S  W NW NW NW  W  S  S  W NW NW  N  E SE SE  S SW  W NW NW NW
Wind spd          8  6  8  9 11 10  8  6  9  8  8  9  6  8  6  6  6  5  8  9 10
Clouds           B2 B2 B2 B2 B2 OV B2 B1 B1 SC SC SC B1 B1 SC SC SC FW FW FW FW
PoP 12hr                     30          40          10          30           5
QPF 12hr                   0.02        0.03           0        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C                    C  C
Tstms                      S  C  S                    C  S
Obvis             K  K


Date               Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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            49    88      52    89      52    86      54    85
Temp          59   49 80 86 62   54 82 86 63   53 79 83 62   56 78 83
Dewpt         32   31 33 35 37   36 36 35 37   37 39 39 42   42 42 39
PWind dir          SW    SE      SE     W      NE    SE       E     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   CL CL CL CL   CL CL FW FW   FW FW FW SC   SC SC FW
PoP 12hr            0     0       0     0       0     0       0    10

$$
weather.gov/greatfalls



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