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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
358 PM MDT Sun Sep 24 2017

MTZ012-251100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      35          61          41          64          43
Temp             58 46 40 38 35 42 54 60 60 52 46 43 41 45 58 63 62 54 49 46 43
Dewpt            31 29 28 28 29 31 33 32 33 34 34 33 35 36 41 41 39 40 39 37 39
RH               36 51 62 67 78 65 45 35 36 50 63 67 79 70 53 44 43 59 68 71 86
Wind dir         SE SE  S SW  S SW SW SW SW  S SW SW SW SW  W  W NW NW SW SW SW
Wind spd          3  5  6  8  8  8  8  8  5  8  9  9  8  8  6  8  8  8  8  8  8
Clouds           CL CL FW SC FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC B1 SC SC SC SC
PoP 12hr                      5          10          20          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          67      42    68      44    72      47    71      46    65
Temp          61 66 50   43 61 67 50   46 66 70 53   48 67 69 53   47 62 63
Dewpt         43 40 39   38 43 42 39   39 43 40 36   38 43 40 39   38 39 41
PWind dir        SW       E    SW      SE     S       S    SW       W    SW
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   FW FW FW FW   FW FW FW FW   FW FW SC SC   SC FW SC
PoP 12hr          5       0     0       0     0       0     5       5    10

$$
MTZ010-251100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      34          63          40          64          41
Temp             57 46 39 37 34 40 57 63 60 52 46 41 40 44 60 64 62 53 47 42 41
Dewpt            29 28 30 33 31 35 36 36 39 40 39 38 38 39 40 39 41 41 40 39 39
RH               34 49 70 85 89 82 45 36 46 63 76 89 92 82 47 40 46 64 76 89 92
Wind dir         SE SW  W  W  W  W SW SW  W  W  W  W  W  W NW NW NW NW  W  W  W
Wind spd          4  6  6  6  5  5  8  5  9  9  9  9  8  6  9 10 11 11  8  8  6
Clouds           SC SC SC SC FW SC B1 B1 B1 B2 B1 B1 B1 B1 SC SC B1 SC SC SC SC
PoP 12hr                      5          10          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          67      40    69      40    72      44    70      42    64
Temp          62 66 47   42 63 67 49   42 66 69 51   45 67 67 50   43 62 59
Dewpt         40 41 40   39 44 41 40   36 39 37 36   37 42 40 41   37 36 41
PWind dir         W      NW     S       S     S      SW     W       W     W
Wind char        LT      GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   SC FW FW FW   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          0       0     5       0     0       0     5       5    20
Rain shwrs                                                                S

$$
MTZ014-251100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      34          60          41          63          42
Temp             58 45 39 38 34 39 52 59 59 49 46 42 41 44 55 62 62 52 48 43 42
Dewpt            30 29 29 29 28 32 37 35 31 35 35 34 34 37 41 40 39 38 38 35 36
RH               34 53 67 70 78 76 56 40 34 58 65 73 76 76 59 44 43 59 68 73 79
Wind dir          N SW SW  W SW  S  W  W  W SW SW SW SW SW  W  W NW NW SW SW SW
Wind spd          5  4  3  3  2  2  5  6  5  4  4  3  3  3  4  6  6  6  3  3  3
Clouds           FW FW FW SC FW SC SC SC B1 B1 B1 B1 B1 B2 B1 SC B1 SC SC SC SC
PoP 12hr                      5          10          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          67      41    70      42    72      45    70      45    66
Temp          58 66 48   42 60 69 50   43 61 72 53   46 62 69 51   46 61 65
Dewpt         42 37 38   36 44 40 38   35 42 41 37   36 43 40 38   37 42 41
PWind dir        SW       N     S      SE     S       S    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW SC   FW SC SC
PoP 12hr          5       0     0       0     0       0     5       5    10

$$
MTZ055-251100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      30          56          36          60          38
Temp             54 43 38 34 30 38 50 55 54 44 41 37 36 41 52 59 58 48 43 39 38
Dewpt            32 34 33 32 28 31 31 28 30 30 30 29 30 32 34 34 37 36 34 33 34
RH               43 70 82 92 92 76 48 35 40 57 65 72 79 70 50 39 45 63 70 79 85
Wind dir          N  S  S  S  S  S  W  W NW SE  S  S  S  S  W  W NW NW  S  S  S
Wind spd          4  5  4  4  3  2  3  5  4  5  4  5  5  3  4  5  5  5  4  4  4
Clouds           B1 FW FW FW FW FW SC FW SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC
PoP 12hr                      5          10          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                  PF PF PF PF


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          64      37    67      38    68      41    68      41    65
Temp          57 63 44   39 59 66 45   40 60 67 48   43 63 66 49   42 61 62
Dewpt         37 37 34   35 37 40 35   36 37 41 35   36 38 42 40   36 38 43
PWind dir        SW      NE    NE       E     S      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW   FW FW FW FW   CL FW FW FW   FW FW FW SC   SC FW SC
PoP 12hr          5       0     0       0     0       0     5       5    10

$$
MTZ055-251100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      26          49          27          53          28
Temp             46 37 32 30 26 31 43 49 47 39 33 29 27 33 46 53 51 41 36 32 28
Dewpt            31 29 29 28 25 27 23 23 23 26 28 26 24 27 27 28 29 31 33 30 27
RH               55 72 88 92 96 85 45 36 38 59 82 88 88 78 47 38 42 67 89 92 96
Wind dir          N  N NE  S  W  S SW  W  W SW  S SE  E SE SW  W NW NW  E  E  E
Wind spd          8  4  3  3  3  2  3  4  6  3  2  1  1  1  2  5  6  6  2  2  2
Clouds           B1 SC SC SC SC FW FW FW B1 SC SC B1 SC SC SC SC B1 SC FW FW FW
PoP 12hr                     10           5          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Obvis                  PF PF PF PF


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          58      28    61      29    60      30    59      32    56
Temp          51 57 38   29 53 60 39   30 54 58 38   31 54 57 41   33 51 54
Dewpt         28 28 32   27 33 32 32   27 31 31 31   28 35 35 37   30 37 43
PWind dir         E      NE     E      NE     S       S     S      SW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC SC SC
PoP 12hr          5       0     0       0     0       5    10       5    20
Rain shwrs                                                                S

$$
MTZ008-251100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      31          54          33          57          35
Temp             52 40 37 34 31 37 48 53 53 42 38 36 33 38 49 56 56 45 40 37 35
Dewpt            28 27 28 28 27 31 29 25 27 27 26 26 25 30 34 33 33 32 31 30 30
RH               39 59 70 78 85 79 47 33 36 55 62 67 72 73 56 42 42 60 70 75 82
Wind dir          N  E  S  S  S SW SW NW  N SE  S  S  S SW  W NW  N  N  E  E  S
Wind spd          9  4  5  6  5  6  3  4  6  5  4  6  6  6  3  5  8  8  4  4  6
Clouds           FW FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW FW
PoP 12hr                      5           5          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          62      36    64      37    66      40    66      40    64
Temp          54 62 43   37 54 63 44   39 58 65 46   41 60 65 47   41 58 63
Dewpt         37 33 30   30 39 36 33   29 37 34 29   31 37 37 34   32 37 38
PWind dir        SW      NE    NE      NE     S      SE    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW FW FW FW   CL FW FW FW   FW FW FW SC   FW SC SC
PoP 12hr          0       0     0       0     0       5     5       5    20
Rain shwrs                                                                S

$$
MTZ011-251100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      34          64          40          68          42
Temp             58 45 40 36 34 40 57 63 62 51 45 41 40 45 59 67 66 53 48 45 42
Dewpt            33 35 33 32 31 32 35 34 33 34 32 31 33 34 40 42 41 40 38 37 37
RH               39 68 76 85 89 73 43 34 33 52 60 67 76 65 49 40 40 61 68 73 82
Wind dir          S SE  S  S  S SW SW SW  S SE  S  S  S SW  W  W NW NW SW SW SW
Wind spd          3  5  5  4  4  4  6  6  5  5  5  4  4  8  8 10  8  8  4  4  4
Clouds           SC FW FW FW FW FW SC FW SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                      0           5          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          70      42    70      42    74      43    73      43    69
Temp          64 69 50   43 63 69 51   43 66 73 52   44 68 70 51   44 64 66
Dewpt         44 42 41   39 47 44 39   37 44 41 38   37 43 43 39   36 42 38
PWind dir        SW       W    SE      SE    SE      SE    SW      SW     W
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    SC SC SC   SC FW FW FW   FW FW CL FW   FW FW FW SC   SC FW SC
PoP 12hr          0       0     5       0     0       0     5       5    10

$$
MTZ051-251100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
358 PM MDT Sun Sep 24 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      33          58          38          62          41
Temp             54 44 39 36 33 43 54 58 56 46 41 39 39 45 57 61 60 50 45 43 41
Dewpt            33 36 33 33 30 34 29 31 28 28 28 29 32 33 37 40 37 38 36 37 37
RH               45 73 79 89 89 70 38 36 34 49 59 67 76 62 47 46 42 63 70 79 85
Wind dir          N SE SE  S  S  S  W NW  N SE  S  S SW SW  W NW NW NW SW SW SW
Wind spd          4  5  5  5  5  3  4  4  5  5  5  6  5  4  6  5  6  6  6  6  6
Clouds           SC FW FW CL FW FW FW FW FW SC SC B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                      5          10          10          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S
Obvis                  PF PF PF PF


Date           09/27/17  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          65      40    67      41    70      44    70      43    65
Temp          62 64 45   42 62 65 48   43 66 66 50   46 67 65 48   45 63 61
Dewpt         38 37 36   38 43 41 39   37 42 40 36   36 38 41 36   37 38 43
PWind dir         W       E    SE      SE     S       S    SW       W     W
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    GN
Avg clouds    SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW   SC FW FW
PoP 12hr          0       5     0       0     0       0     5       5    10

$$
weather.gov/greatfalls



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