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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
226 PM MDT Thu Aug 17 2017

MTZ012-181100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          91          54          84          51
Temp          83 83 73 65 59 55 69 80 89 90 76 66 59 54 65 74 82 83 72 62 55 51
Dewpt         34 31 33 37 38 39 40 34 29 25 31 34 36 38 42 41 34 34 35 37 37 39
RH            17 15 23 35 45 55 35 19 12  9 19 30 42 54 43 30 18 17 26 39 51 63
Wind dir      NW NW NW SW SW SW SW SW  W  W  W SW SW SW  W NW  W  W  W  S SW  W
Wind spd      10  9  6  6  8 10 12 14 16 17 12 10 10 10  9  6  9 11  8  6  8  6
Clouds        FW FW FW FW FW CL CL CL CL FW FW FW FW FW FW FW FW SC FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      50    84      51    88      53    88      54    86
Temp          72 81 62   50 75 83 62   52 78 87 64   54 80 87 66   54 79 85
Dewpt         40 35 39   38 39 34 38   40 40 36 39   41 44 37 42   43 44 38
PWind dir        NW      NE     W      NE     S      SW    SW      SE    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    FW FW SC   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          0       0    10       0     0       0     0      10    10

$$
MTZ010-181100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                      53          85          51          78          46
Temp          81 82 71 63 56 53 66 79 85 83 72 66 57 51 57 67 76 77 67 57 49 46
Dewpt         41 41 41 41 42 42 43 38 35 32 38 40 43 44 47 44 40 37 39 41 40 42
RH            24 23 34 44 59 66 43 23 17 16 29 38 59 77 69 43 27 24 36 55 71 86
Wind dir      NW  W  W  W  W  W  W  W  W  W  W  W  W NW  N  N  W  W  W  W  W NW
Wind spd      10 11  9  8  6 10 12 18 20 23 14 13 13 12 11  8  6 11 10  9  8  9
Wind gust                                33
Clouds        FW FW FW FW FW FW CL CL FW FW FW FW FW FW FW SC FW SC FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          78      46    80      47    84      50    84      50    83
Temp          68 77 56   47 72 79 58   48 76 83 61   51 76 83 61   51 76 82
Dewpt         42 38 41   42 42 36 40   42 43 37 41   44 42 39 42   45 44 40
PWind dir        NW       W    NW       W    SW      SW    SW      SW    SW
Wind char        GN      GN    LT      LT    LT      GN    GN      GN    LT
Avg clouds    FW SC SC   SC FW FW FW   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          0       0    10       0     0       0     0       5     5

$$
MTZ014-181100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          90          56          88          53
Temp          84 85 73 66 59 55 63 78 89 88 75 68 61 56 63 77 86 86 73 66 59 53
Dewpt         39 38 38 38 38 39 41 41 34 32 34 36 38 40 41 41 34 34 37 38 39 39
RH            20 19 28 36 45 55 44 27 14 13 22 31 42 55 44 28 16 16 27 36 47 59
Wind dir      NW NW  W  W SW  S SW  W  W  W  W  W SW SW  W  W  W  W NW  W  W  W
Wind spd      11 10  5  4  3  4  5 10 13 14  9  6  4  4  5  9 12 13  9  6  4  4
Clouds        FW FW FW FW CL CL CL CL CL FW FW FW FW SC FW FW FW SC SC SC FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis          K  K  K  K  K  K  K


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      52    86      53    89      54    88      56    87
Temp          75 84 64   52 77 85 63   54 80 88 65   55 80 87 68   56 78 86
Dewpt         41 35 38   39 43 36 39   41 44 37 39   41 44 40 46   44 46 43
PWind dir        NW      NW    NW       W    SW       W     S       S     S
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    FW FW SC   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          0       0     5       0     0       0     5      10     5

$$
MTZ055-181100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                      49          87          50          87          49
Temp          80 82 68 60 53 49 62 77 85 86 71 61 55 50 62 77 86 85 72 61 54 49
Dewpt         41 39 39 40 38 37 38 39 36 32 36 39 39 39 39 37 35 32 37 39 38 39
RH            25 22 34 47 57 63 41 25 17 14 28 44 55 66 43 24 16 15 28 44 54 68
Wind dir      NW NW  S  S  S SE  S  W  W  W  S  S  S  S SW NW  W NW NW  S  S  S
Wind spd      10  8  4  5  4  6  4  8 11 11  6  8  6  5  3  5  9 10  5  5  5  4
Clouds        FW CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW SC B1 B1 SC FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis          K  K  K  K  K  K  K


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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      49    85      49    88      50    87      51    85
Temp          75 85 61   50 76 84 60   50 78 87 62   51 80 85 62   52 78 84
Dewpt         41 37 42   42 43 37 42   43 43 38 43   44 48 43 49   47 49 44
PWind dir         W      SW    NE       S     S      SW    SE       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC   SC FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC
PoP 12hr          0       0     5       0     0       0    10      20     5
Rain shwrs                                                     S
Tstms                                                          S

$$
MTZ055-181100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          76          39          77          38
Temp          74 73 62 51 45 40 53 68 75 74 63 53 44 39 52 69 76 74 63 52 45 38
Dewpt         39 38 38 35 33 31 35 35 33 33 33 33 31 32 31 33 30 32 30 32 32 33
RH            28 28 41 54 62 70 50 29 21 22 32 46 60 76 44 26 18 21 29 46 60 82
Wind dir       W  W NW  S  E  E  S SW SW SW SW SW  S  S  S SW SW SW SW  E  E SE
Wind spd       9  8  3  3  2  3  3  9 12 12  6  4  3  3  3  8 11 11  4  3  3  1
Clouds        FW FW FW FW FW CL CL FW FW FW FW FW CL FW FW FW SC SC SC SC FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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    76      39    78      40    76      40    74
Temp          69 74 52   39 69 74 52   40 70 76 53   41 71 73 53   41 70 71
Dewpt         34 39 40   36 39 41 38   37 39 41 40   39 42 45 46   39 44 45
PWind dir         S       S     S       S     S      SW     S       S     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1   SC SC SC SC   FW FW FW SC   SC SC SC B1   SC SC SC
PoP 12hr         10       5     5       5     5       5    20      10    10
Rain shwrs                                                  S
Tstms                                                       S

$$
MTZ008-181100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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          85          49          85          47
Temp          79 81 68 59 52 48 58 73 83 84 70 59 54 49 58 73 84 83 69 59 52 47
Dewpt         39 38 37 37 36 36 42 41 38 33 36 37 37 37 42 40 37 35 36 38 35 35
RH            24 21 32 44 54 63 55 31 20 16 29 44 52 63 55 30 19 18 30 45 52 63
Wind dir      NW  N  E  S  S  S SW SW  W  W  S  S  S  S SW SW  W  W NW SE SW SE
Wind spd       6  5  5  4  5  9  8  8 10 10  6  8 11 13 10 11 13 12 10  8  5  5
Clouds        FW CL CL FW FW CL CL CL CL FW FW FW FW FW FW FW SC B1 SC FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          83      47    83      48    85      49    84      49    81
Temp          72 82 58   48 74 82 59   49 76 84 60   50 77 82 59   50 75 80
Dewpt         40 39 39   38 43 37 40   38 41 40 42   41 47 43 46   43 47 43
PWind dir        NW       S    SW       N    SW       S     E       S     S
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    FW SC B1   SC SC FW FW   FW FW FW SC   SC SC SC B1   SC SC SC
PoP 12hr          0       0     5       0     0       0    10      20    10
Rain shwrs                                                     S
Tstms                                                          S

$$
MTZ011-181100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                      52          92          53          82          52
Temp          83 84 71 63 57 52 66 81 89 91 77 66 60 53 62 72 80 81 70 62 57 52
Dewpt         38 35 38 38 39 38 41 39 37 34 36 36 41 42 46 45 42 39 42 42 43 43
RH            20 17 30 39 51 59 40 22 16 13 23 33 49 66 56 38 26 22 36 48 59 71
Wind dir      NW NW  N  E SE  S SW  W  W  W SW  W  W  W NW NW NW  N NE  E  E  E
Wind spd      11 10  5  5  5  8 11 13 14 14 11 10 13 13 11 10  9  8  8  9  8  6
Clouds        FW FW FW FW FW FW CL CL CL FW FW FW FW FW FW FW FW SC FW SC SC SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          83      50    84      50    88      54    89      55    88
Temp          75 82 62   50 75 83 63   51 79 87 65   55 81 88 67   56 81 87
Dewpt         44 39 43   43 43 38 43   44 45 40 43   45 47 42 45   47 48 42
PWind dir        SW       N     E      SW    SE       S     S      SE     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW   SC SC SC FW   FW FW FW FW   FW FW FW FW   SC SC SC
PoP 12hr          5       0    10       0     0       0     0       0    10

$$
MTZ051-181100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
226 PM MDT Thu Aug 17 2017

Date           08/17/17      Fri 08/18/17            Sat 08/19/17            Sun
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                      50          88          53          82          51
Temp          80 81 68 59 54 51 68 81 86 87 73 62 57 53 65 76 82 79 69 60 55 51
Dewpt         34 31 34 36 35 35 39 35 33 29 34 33 34 35 38 37 35 36 38 40 39 40
RH            19 16 28 42 48 54 34 19 15 12 24 33 42 50 37 24 18 21 32 47 55 66
Wind dir      NW NW  W  S  S  S SW  W  W  W SW SW SW SW  W NW NW  N NE  E SE SW
Wind spd      13 11  4  5  5  8  6 11 12 13  8  8  8  9 10 11 10  9  5  6  8  5
Clouds        FW FW FW FW FW FW CL CL CL CL FW FW FW FW FW FW FW SC SC SC SC SC
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17
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          81      49    82      51    85      53    85      53    84
Temp          74 80 58   50 75 81 59   52 78 84 63   54 79 83 63   54 79 82
Dewpt         42 38 39   39 40 40 40   40 42 41 44   42 45 41 47   44 45 42
PWind dir        NW      NE     S      NE     E       E    SE      SE     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   FW SC SC SC   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          0       0    20       5     0       0     0      10     5
Rain shwrs                      S
Tstms                           S

$$
weather.gov/greatfalls



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