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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
805 PM MDT Wed Aug 23 2017

MTZ012-241100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      61          85          51          81          51
Temp                78 69 65 62 68 80 84 78 70 62 55 51 59 70 79 80 68 61 54 51
Dewpt               35 38 40 41 43 44 44 51 50 49 47 45 43 39 36 33 32 35 35 37
RH                  21 32 40 46 40 28 25 39 49 62 74 80 55 32 21 18 26 38 48 59
Wind dir             W SW SW SW SW  W  W  W SW SW SW SW  W  W  S  N  N SE SE SW
Wind spd             6  6  8  6  8 10 12 10 10 11  9  8  6  6  8  5  5  6  6  6
Clouds              SC B1 SC B1 B2 B2 B2 B2 B1 SC FW SC FW FW FW FW FW SC SC FW
PoP 12hr                      0          20          20           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  S
Tstms                                  S  S  S
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          84      50    89      52    88      52    87      53    85
Temp          75 83 61   51 78 88 64   53 80 87 64   52 78 86 65   54 78 84
Dewpt         32 27 30   33 34 31 35   35 40 35 38   38 44 39 43   43 44 39
PWind dir         W      SW     S       E     W      NE     N       E     S
Wind char        LT      LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    FW FW CL   FW CL CL CL   CL CL FW FW   FW FW FW SC   SC FW SC
PoP 12hr          0       0     0       0     0       0     0      10     5

$$
MTZ010-241100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      58          82          46          77          43
Temp                75 65 61 59 66 76 78 81 68 58 49 46 54 67 75 76 62 54 47 43
Dewpt               36 40 41 42 44 51 49 46 49 48 43 41 40 37 31 27 26 31 32 34
RH                  24 40 48 53 45 42 36 29 51 69 80 83 59 33 20 16 25 41 56 70
Wind dir             W  W  W  W  W  W  W  W  W  W  W NW  N SE SW SW SW  W  W  W
Wind spd             9  8  6  6  9 17 17 18 12 11 10  9 11 10 10  8  8  5  5  8
Clouds              FW FW SC B1 OV OV B1 SC FW FW CL FW FW FW CL FW FW FW FW FW
PoP 12hr                      0          20           5           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          82      46    86      48    84      48    83      50    83
Temp          73 81 57   47 77 85 61   49 77 82 59   49 74 82 62   50 76 82
Dewpt         28 26 31   36 36 34 38   40 41 39 39   42 43 39 43   43 45 42
PWind dir         W       W    SW      SW    NW      NE    NE       E     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    FW FW CL   CL CL CL CL   CL FW FW FW   FW FW FW FW   SC FW SC
PoP 12hr          0       0     0       0     0       0     5       5    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ014-241100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      60          83          54          83          53
Temp                77 70 64 61 65 78 82 77 66 63 58 54 60 74 82 82 69 62 56 53
Dewpt               38 41 42 43 45 47 48 49 51 52 49 48 47 45 44 41 44 42 39 40
RH                  24 35 45 51 48 33 31 37 58 67 72 80 62 35 26 23 40 48 53 61
Wind dir            SW SW SW SW SW  W  W  W SW  W SW  W  N  W NW  W  W  W  W SW
Wind spd             5  3  3  3  3  9 12 11  6  5  5  4  4  5  8  6  6  5  5  2
Clouds              B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 SC FW FW SC SC SC SC SC FW
PoP 12hr                      5          30          30          10          10
QPF 12hr                      0        0.03        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  C  C
Tstms                               S  C  C  C
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          87      52    90      54    90      54    89      55    87
Temp          76 86 62   53 78 90 65   55 80 89 65   55 78 88 66   55 79 86
Dewpt         37 31 33   34 37 34 39   38 42 35 37   40 43 39 44   43 45 40
PWind dir         W       W     S       W     S       N     N      NW     S
Wind char        LT      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW CL   CL CL CL CL   CL CL CL FW   FW FW FW SC   FW FW FW
PoP 12hr          0       0     0       0     0       0     5      10     5

$$
MTZ055-241100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      55          81          49          81          50
Temp                72 65 60 56 63 76 80 72 63 57 52 49 58 73 80 78 67 59 54 50
Dewpt               41 45 45 45 48 48 48 50 51 50 48 46 49 49 42 45 46 47 45 44
RH                  33 48 58 66 58 37 33 46 65 77 86 89 72 43 26 31 47 64 71 80
Wind dir             S SE SE  S SW  W  W  W  S SE SE SE  E NW  W  W  W SE SE  S
Wind spd             6  5  4  4  5 10 12 13  9  6  5  5  4  4  8  5  5  5  5  4
Clouds              B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC FW
PoP 12hr                     20          50          40          20          10
QPF 12hr                      0        0.05        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S              S  C  C  C  S  S  S  S  S  S
Tstms                               S  C  C  C  S  S  S  S  S  S
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          86      48    88      49    89      50    87      50    85
Temp          76 85 60   49 79 87 59   50 79 88 61   51 79 85 61   51 79 83
Dewpt         44 35 41   39 42 37 41   41 44 36 42   40 44 39 45   45 47 43
PWind dir        SW      SW     S      NE    SW      NE     E       E     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW CL CL CL   CL CL FW FW   FW FW FW SC   SC FW SC
PoP 12hr          0       0     0       0     0      10    10       5    10

$$
MTZ055-241100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      48          70          35          73          39
Temp                60 55 51 49 55 67 69 64 57 48 41 35 48 65 73 69 59 49 43 39
Dewpt               46 45 45 44 47 49 45 45 48 45 39 34 45 42 38 42 46 43 40 38
RH                  60 69 80 83 74 52 42 50 72 89 92 96 89 43 28 37 62 80 89 96
Wind dir             S SE SE SE  S SW SW  W  E  E NE  E SE SW SW SW SW  S  S  S
Wind spd             8  3  3  2  6 11 13  9  5  4  4  4  3  8 12 10 10  2  2  1
Clouds              B1 B2 B1 SC SC B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW
PoP 12hr                     10          40          40          20          30
QPF 12hr                      0        0.06        0.07        0.03        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  C  C  C  S  S        S  S  C  C
Tstms                               C  C  C  C  S  S        S  S  S  S
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          77      38    79      39    80      39    80      39    77
Temp          69 74 51   39 71 77 53   40 73 78 53   40 73 78 52   40 71 75
Dewpt         42 36 37   37 40 40 41   37 40 39 36   36 41 42 43   40 42 45
PWind dir        SW       N     S       S     S       N    SE       N     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW FW FW FW   CL CL FW FW   FW FW SC SC   SC SC SC
PoP 12hr          5       0     0       0     0       0     5       5    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ008-241100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      54          80          45          80          48
Temp                69 63 58 55 61 75 79 76 65 56 50 45 54 71 80 77 66 56 52 48
Dewpt               41 46 46 46 48 47 47 44 47 46 43 41 45 45 42 41 43 42 41 39
RH                  36 54 64 72 62 37 32 32 52 69 77 86 71 39 26 28 43 59 66 71
Wind dir             S  S  S  S SW SW  W  W  E  S  S  S SW  W SW  W  W  S  S  S
Wind spd            10  8  6  6  9 10 11 11  6  6  8  8  5  5 11  9  9  5  5  6
Clouds              B1 B1 B1 SC SC B1 B1 B2 SC SC SC SC FW FW SC SC SC FW FW FW
PoP 12hr                     20          20          30          10          10
QPF 12hr                      0        0.03        0.04           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S     C  C  S  S
Tstms                               S     C  C  S  S
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          84      47    85      48    87      48    87      49    83
Temp          74 83 58   48 75 84 60   49 77 86 59   49 77 86 60   50 76 82
Dewpt         43 39 36   37 42 39 39   37 41 36 38   39 43 39 42   41 45 42
PWind dir        SW       N     S      SW     W      NE    NE       E     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW CL CL FW   CL CL FW SC   FW FW FW SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     5      10    10

$$
MTZ011-241100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      60          91          53          81          51
Temp                78 71 66 61 68 83 89 87 74 66 60 53 60 73 80 80 67 62 55 51
Dewpt               37 39 40 40 46 46 43 50 53 51 49 45 44 42 39 35 36 38 37 41
RH                  23 31 38 46 45 27 20 28 48 58 67 74 55 33 23 20 32 41 51 68
Wind dir            SE SE  S SW SW  W  W  W  S SW  W  W  N NW NW  N  N  E  E  E
Wind spd             8  8  6  5  6  8  9  9  6  8 10 10 10  9  8  4  4  5  5  5
Clouds              FW FW SC SC SC B1 B1 B2 B2 B1 SC FW FW FW CL FW FW SC SC SC
PoP 12hr                      0          20          30           0           5
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C
Tstms                                     C  C


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          85      49    89      52    89      52    87      52    86
Temp          76 85 61   50 80 88 65   53 81 88 64   53 78 86 64   53 77 85
Dewpt         42 34 35   37 40 35 39   40 44 39 40   43 44 40 41   44 45 41
PWind dir         S       N     S      SE     S      NE    NE       E    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    SC FW FW   CL FW CL CL   CL CL CL FW   FW FW FW FW   FW FW FW
PoP 12hr          5       0     0       0     0       0     5       5     5

$$
MTZ051-241100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
805 PM MDT Wed Aug 23 2017

Date           08/23/17      Thu 08/24/17            Fri 08/25/17            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                      60          87          53          79          52
Temp                74 67 63 61 69 83 86 77 67 61 56 53 62 72 78 78 66 59 55 52
Dewpt               35 38 38 39 43 44 45 51 54 52 47 46 46 40 40 40 45 43 43 41
RH                  24 34 39 44 39 25 24 40 63 72 72 77 56 31 26 26 47 55 64 66
Wind dir            SE SE  S  S SW  W  W NW  W  S SW  W NW  N  N NE NE SE SE  S
Wind spd             4  5  5  4  4  6  9 10 10  9  9  9  8  6  6  6  6  6  6  6
Clouds              SC SC SC B1 B1 B2 B2 B2 OV B2 SC B1 SC SC SC SC SC SC SC SC
PoP 12hr                      5          40          40          10          20
QPF 12hr                      0        0.03        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C  C  S  S              S  S
Tstms                                  C  C  C  S  S
Obvis                K  K  K  K


Date           08/26/17  Sun 08/27/17  Mon 08/28/17  Tue 08/29/17  Wed 08/30/17
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          84      49    86      52    86      52    84      52    84
Temp          77 83 59   50 79 85 62   53 80 84 62   53 78 82 62   53 78 82
Dewpt         36 34 33   33 36 38 39   37 40 36 40   40 42 39 45   42 43 42
PWind dir         W      NE     S       E     W      NE    SE       E     S
Wind char        LT      LT    LT      GN    LT      LT    LT      GN    LT
Avg clouds    SC FW FW   FW FW FW CL   CL CL CL FW   FW FW FW SC   SC FW FW
PoP 12hr          5       0     0       0     0       0     0      10     5

$$
weather.gov/greatfalls



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