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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
232 PM MDT Sat Aug 19 2017

MTZ012-201100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      49          80          50          82          51
Temp          74 75 66 59 53 49 61 72 79 79 69 61 55 50 60 72 80 81 69 61 57 51
Dewpt         39 31 35 37 38 37 38 34 32 27 30 33 33 35 35 35 33 32 31 33 35 36
RH            28 20 32 44 57 63 42 25 18 15 23 35 43 56 39 26 18 17 24 35 43 56
Wind dir       N  N NE  E  S SW SW  W  W NW NW  E SW SW  W  N  N NE  E SE  S  S
Wind spd       8 12 11  9  8  9 10 10 11 11  9  8  6  8  6  5  6  8  6  8  6  5
Clouds        SC SC FW FW FW FW CL FW SC B1 B1 B2 B1 SC FW FW FW FW FW FW FW FW
PoP 12hr                      5           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis          K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          91      54    92      56    87      53    83      51    84
Temp          80 90 66   55 83 91 67   57 80 85 65   53 74 82 62   51 76 83
Dewpt         38 34 37   39 40 35 39   40 42 41 42   40 39 34 35   36 39 35
PWind dir         S      SE    SW       W    SW      SW     W       S     W
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    FW FW FW   CL CL FW SC   SC SC SC B1   SC SC FW FW   FW FW FW
PoP 12hr          0       0     0       0    10      10     5       0     0

$$
MTZ010-201100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      45          77          45          80          48
Temp          68 70 60 53 48 45 57 70 76 75 66 57 49 45 57 70 78 79 69 59 52 48
Dewpt         39 37 37 37 38 38 40 35 33 31 36 38 38 39 39 37 35 33 35 36 37 39
RH            34 30 42 54 68 76 53 27 21 20 33 49 66 79 51 30 21 19 28 42 56 71
Wind dir       E NW NE  S SW  W  W  W  W  W NW NW NW NW  N  E  W NE  E SE  S  S
Wind spd       5  9 11  9  8  8 10 12 13 13 11  8  8  8  8  6  8  8  8  6  6  5
Clouds        SC SC SC SC FW FW FW FW SC B2 B2 B1 SC SC FW FW FW FW FW SC FW FW
PoP 12hr                      5           0           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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      50    89      53    83      48    80      47    82
Temp          78 85 62   51 81 87 64   54 77 81 60   48 73 79 57   48 74 81
Dewpt         38 34 37   42 42 37 42   46 44 42 42   40 39 36 36   39 41 40
PWind dir         S       S    SW       W     W       W     W       W     W
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW FW   FW CL FW FW   SC SC SC SC   SC FW FW FW   SC FW FW
PoP 12hr          0       0     0       5    10       5     0       0     0

$$
MTZ014-201100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      52          83          53          85          53
Temp          86 85 74 65 59 52 61 75 82 82 69 64 58 53 62 74 83 84 70 63 58 53
Dewpt         29 27 34 36 38 38 40 39 33 33 33 34 34 37 39 40 37 36 37 38 37 39
RH            13 12 23 34 45 59 46 27 17 17 26 32 40 54 43 29 19 18 30 39 45 59
Wind dir       W NW NW  W  W  W NW NW NW NW NW  W  W  W  N  N  N NE NE NW SE  S
Wind spd      12 14 10  9  5  4  3  8 10 11  8  5  5  4  4  5  8  9  5  4  3  2
Clouds        SC SC FW CL FW CL CL FW FW SC SC B1 B1 SC FW FW FW FW 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
Obvis          K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          92      56    93      58    87      54    84      53    85
Temp          79 91 69   57 84 92 70   58 80 86 64   54 76 83 64   53 76 85
Dewpt         43 39 39   40 43 39 43   42 45 44 44   43 44 35 37   39 39 37
PWind dir        SE      NW    SW       S    SW      SW    SW       W     W
Wind char        LT      LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    FW FW FW   CL CL FW SC   SC SC SC B1   SC SC SC SC   FW FW FW
PoP 12hr          0       0     0       5    20      20     5       0     0
Rain shwrs                                    S  S
Tstms                                         S  S

$$
MTZ055-201100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      48          82          49          83          48
Temp          81 83 69 60 53 48 58 72 81 81 68 58 53 49 60 74 81 82 67 57 53 48
Dewpt         34 32 38 41 40 40 41 41 40 34 39 40 39 40 40 39 36 34 38 41 40 41
RH            18 16 32 49 61 74 53 33 23 18 34 51 59 71 47 28 20 18 34 55 61 77
Wind dir      NW NW  N  S  S  S SE NW NW NW  N  S  S SE  E NW NW  N  E SE SE SE
Wind spd       8 10  8  9  6  5  3  5  8  9  9  8  8  6  4  5  5  6  6  5  5  4
Clouds        SC B1 B1 SC FW FW FW FW FW FW SC SC SC SC SC FW FW FW FW CL CL FW
PoP 12hr                      5           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis          K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          89      50    89      52    85      50    82      48    83
Temp          78 88 61   51 82 87 63   53 78 83 59   51 74 81 58   49 75 82
Dewpt         41 36 43   42 44 41 46   45 47 45 46   45 47 41 42   42 42 36
PWind dir         S      SW    SW       S    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   CL CL FW SC   B1 SC SC B1   SC SC FW SC   SC FW FW
PoP 12hr          0       0     0       5    20      20    10      10     0
Rain shwrs                                    S  S
Tstms                                         S  S

$$
MTZ055-201100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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          76          38          76          37
Temp          74 74 63 51 43 37 51 68 75 74 62 51 44 38 52 68 75 74 63 49 44 37
Dewpt         29 26 33 34 35 33 38 35 31 29 32 36 36 34 36 35 30 34 36 37 36 34
RH            19 17 32 52 73 85 61 29 20 19 32 56 73 85 54 29 19 23 36 63 73 89
Wind dir      SW  W SW NW NE NE SE SW SW  W SW NE  E NE NE SE  W NW  N NE  E  E
Wind spd      13 12  6  4  5  4  4  8 11 10  4  5  3  3  3  4  6  8  3  2  2  1
Clouds        SC SC SC SC FW FW FW FW FW FW FW FW FW SC SC FW FW SC FW CL CL CL
PoP 12hr                      5           5           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          79      39    78      40    75      40    73      38    75
Temp          72 77 52   40 73 75 53   41 70 71 51   41 68 71 50   39 68 73
Dewpt         36 37 31   36 39 42 42   39 43 45 46   39 43 43 43   37 37 42
PWind dir         S       S     S       S     S       S     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW FW   FW FW SC SC   B1 SC SC B1   B1 SC SC B1   SC FW FW
PoP 12hr          5       5    10      10    30      30    20      20     5
Rain shwrs                                    C  C    S  S     S
Tstms                                   S  S  C  S             S

$$
MTZ008-201100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      46          81          47          82          47
Temp          79 81 68 57 51 46 55 69 78 80 67 58 51 47 56 71 80 80 67 58 51 47
Dewpt         38 31 32 34 34 35 41 39 37 35 36 36 34 36 41 39 38 35 38 38 35 36
RH            23 16 26 42 52 65 59 33 23 20 32 44 52 65 57 31 22 20 34 47 54 65
Wind dir       W NW NE  E  S  S  W NW  W  N NE NE SE  S  W  N  N  N NE  E SE SE
Wind spd      13 13 10  8  8  8  8  4  8  9 10  8  8  8  6  4  8  9  6  5  6  5
Clouds        SC SC FW FW FW CL CL FW FW FW FW SC SC SC FW FW FW FW FW CL CL CL
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  K  K  K  K  K  K  K  K  K  K


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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      50    86      51    82      48    80      46    81
Temp          77 86 61   51 78 85 62   52 75 80 57   49 72 79 58   46 71 80
Dewpt         40 38 38   38 42 42 42   43 46 44 42   42 44 39 39   37 39 34
PWind dir        SW      SW     W       S    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    CL FW FW   FW FW SC B1   SC SC SC B2   SC FW SC SC   FW FW FW
PoP 12hr          0       5     5      10    20      10    10      10     5
Rain shwrs                                    S
Tstms                                         S

$$
MTZ011-201100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      49          81          50          83          52
Temp          74 75 66 60 53 49 61 74 80 80 69 62 57 50 61 74 81 82 71 63 57 52
Dewpt         40 39 39 40 38 38 38 40 37 34 35 37 37 37 40 38 35 34 38 39 38 39
RH            29 27 37 47 57 66 42 29 21 19 28 39 47 61 46 27 19 18 30 41 49 61
Wind dir      NW  N NE  E  E  E SE SW  W NW  N  E  E NE  E NE  N  N  E  E  E  E
Wind spd      11 12 10  6  8  8 11 11 12 11  8  5  5  6  8  8  8  6  6  8  6  5
Clouds        SC SC FW SC SC SC FW FW SC SC B1 B2 B1 B1 SC SC FW FW FW SC FW FW
PoP 12hr                      5           0           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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          89      54    93      55    90      54    84      48    85
Temp          79 88 66   55 84 92 67   56 83 88 66   54 75 83 62   48 76 84
Dewpt         39 36 40   42 44 39 41   45 48 44 46   44 40 38 40   38 43 40
PWind dir        SE      SE     S       S     S      SW     W      SW     W
Wind char        LT      GN    LT      LT    LT      GN    GN      GN    LT
Avg clouds    FW FW FW   FW FW CL FW   FW SC SC B1   SC SC FW FW   FW FW FW
PoP 12hr          0       0     0       0     5      20     5       0     0
Rain shwrs                                       S
Tstms                                            S

$$
MTZ051-201100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
232 PM MDT Sat Aug 19 2017

Date           08/19/17      Sun 08/20/17            Mon 08/21/17            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                      49          79          50          80          50
Temp          77 77 66 58 53 49 61 74 79 77 68 60 54 50 62 73 79 79 67 58 54 50
Dewpt         37 35 36 39 37 37 39 40 37 33 35 35 34 34 35 34 33 33 34 36 34 36
RH            24 22 33 49 54 63 44 29 22 20 29 39 46 54 36 24 19 19 29 44 46 58
Wind dir      NW  N NE  E SE SE SE  W NW NW NW  E  S  S NE  N NE NE  E SE SE  S
Wind spd      10 11  9 10  9  8 10  9  9 10  6  6  6  6  5  8  9  8  5  6  6  6
Clouds        SC SC B1 SC SC SC FW FW FW SC B1 B1 B1 B1 SC FW SC SC FW FW FW FW
PoP 12hr                      5           5           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis          K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


Date           08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17
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      54    89      55    85      53    80      50    81
Temp          80 86 63   55 83 87 66   56 81 82 63   53 73 79 59   51 74 80
Dewpt         39 39 41   41 41 38 42   42 43 43 46   43 41 40 41   40 39 38
PWind dir        SE      SE    SW      SW    SW       W    NW       W     W
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    FW FW FW   CL FW FW SC   SC SC SC B1   B1 SC SC SC   SC FW FW
PoP 12hr          0       0     5       5    10      20    10      10     0
Rain shwrs                                       S    S
Tstms                                            S

$$
weather.gov/greatfalls




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