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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
947 AM MDT Fri Apr 19 2019

MTZ012-192300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      76          44          50          37          51
Temp                   73 75 73 63 55 51 47 50 50 50 48 43 41 39 37 38 44 48 51
Dewpt                  34 30 32 38 41 41 42 44 42 42 40 39 37 35 33 31 31 31 33
RH                     24 19 22 39 59 68 83 80 74 74 74 86 85 85 85 76 60 51 50
Wind dir               SW SW SW  W SW  W  N  N  N  N NE NE  N  N NE NE  E  E  E
Wind spd               27 26 23 11 10  9  5 10 10 10 10  9  8  8  9 10 11 10 10
Wind gust              41 39 34
Clouds                 B1 B2 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1
PoP 12hr                     30          90          70          70          30
QPF 12hr                   0.01        0.13        0.16        0.25           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      L  L  L  L  L  L  L  L  C  C
Rain shwrs              S  S  S  S  C  D
Tstms                   S  S  S


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            35    61      41    65      45    67      44    64
Temp          39   35 54 60 46   41 60 63 50   45 62 66 49   44 59 63
Dewpt         31   29 36 36 34   32 38 38 38   37 41 40 36   34 36 35
PWind dir          SE     S      SW    SW      SW    SW       W    SW
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC FW FW FW   SC B1 B1 B1   SC B1 B1 B2   B2 B2 B1
PoP 12hr            0     0       0     5      10    10      10    20
Rain                                                             S  S

$$
MTZ010-192300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      72          37          49          32          54
Temp                   69 71 67 55 49 42 38 37 42 49 47 42 36 32 32 36 46 52 53
Dewpt                  36 34 35 41 39 33 32 30 30 33 32 31 28 25 25 25 27 28 29
RH                     30 26 30 59 68 70 79 75 62 54 56 65 72 75 75 64 47 39 39
Wind dir               SW  W  W  W NW  N  N  N  N  N NE NE NE NE  N SE SE SE SE
Wind spd               32 31 28 17 14 13  9 10 10 10 10  8  5  5  5  6  9 10 11
Wind gust              47 46 42
Clouds                 B1 B1 B2 B2 B2 OV B2 OV OV OV OV OV B2 B2 B2 B2 B1 SC SC
PoP 12hr                     20          30          50          30          10
QPF 12hr                      0        0.03        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C  C  C  S  S
Rain shwrs              S  S  S  S  C  C
Snow                                                           S
Tstms                   S  S


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            32    63      39    66      41    67      39    63
Temp          37   33 56 62 44   40 61 64 47   41 62 65 45   39 56 60
Dewpt         28   28 33 33 32   31 37 37 36   34 39 37 34   30 34 32
PWind dir           S     S      SW     W       W     W       W     W
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   FW SC FW SC   B1 B1 B1 SC   B2 B1 B1 SC   SC B1 B1
PoP 12hr            0     0       0     5       5     5      10    10

$$
MTZ014-192300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      73          44          54          35          49
Temp                   68 73 71 61 53 48 45 51 52 54 51 45 40 37 36 36 42 46 49
Dewpt                  37 34 35 40 40 40 40 46 46 46 44 40 36 35 33 33 35 35 35
RH                     32 24 27 46 61 74 82 83 80 74 77 82 85 92 89 89 76 65 58
Wind dir                W SW  W SW  W  W  W  W  N  N  N  N  N  N  N  N NE NE  E
Wind spd               12 18 16  6  5  4  2  2  5  9 10  8  6  5  5  5  8  9  9
Wind gust                 28
Clouds                 B1 B1 B1 B1 B2 OV OV B2 OV OV OV OV OV OV OV OV OV B2 B2
PoP 12hr                     30          50          80          80          50
QPF 12hr                   0.01        0.04        0.24        0.36        0.07
Snow 12hr                 00-00       00-00       00-00
Rain                                      L  L  D  D  D  D  L  L  C  C  S  S
Rain shwrs              S  S  C  C  C  C
Tstms                   S  S  C


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            30    59      35    65      39    67      40    65
Temp          36   30 48 58 41   35 55 64 47   39 59 66 48   40 57 64
Dewpt         30   27 36 36 32   29 39 42 37   34 42 42 38   34 40 40
PWind dir           E     S      SW    SW       W    SW       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC FW FW   FW SC B1 SC   SC SC B1 B1   SC B1 B1
PoP 12hr            5     0       0     5      10    10      10    30
Rain                                                  S          S  C
Tstms                                                 S

$$
MTZ055-192300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      73          41          59          35          47
Temp                   67 73 72 58 50 46 41 48 58 58 54 47 42 38 36 36 44 45 47
Dewpt                  38 34 36 38 36 34 34 39 45 46 44 42 39 36 34 33 35 34 35
RH                     34 24 27 47 58 63 76 71 62 64 69 83 89 92 92 89 70 65 63
Wind dir               SW SW SW  S  S  S  S  S NW NW  N  N  N NE NE NE NE  E  E
Wind spd               11 19 23 14  9  6  2  2  2  5  5  5  4  4  5  5  8 10  9
Wind gust                 29 34                                           23
Clouds                 SC SC B1 B1 SC B1 B2 OV B2 B2 OV OV OV OV OV OV OV OV OV
PoP 12hr                     30          30          80          80          70
QPF 12hr                   0.01        0.02        0.15        0.34        0.13
Snow 12hr                 00-00       00-00       00-00
Rain                                      L  L  D  D  D  D  D  D  L  L  C  C  C
Rain shwrs                 S  C  C  S  C
Tstms                      S  C                 S  S  S


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            30    55      31    62      37    66      38    64
Temp          34   30 45 54 36   31 54 61 44   37 58 65 46   38 57 63
Dewpt         31   28 34 36 29   26 38 41 37   33 42 44 39   35 44 46
PWind dir          NE     W      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 SC FW   FW SC SC B1   B2 B1 B1 B1   SC B1 B1
PoP 12hr           30     5       5    10      10    20      20    50
Rain           C                                      S  S    S  C  C
Tstms                                                 S  S

$$
MTZ055-192300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      59          33          56          32          46
Temp                   52 59 57 47 41 36 33 41 52 56 52 41 36 34 32 35 43 46 42
Dewpt                  30 27 27 33 34 29 28 32 35 37 37 36 34 32 30 32 35 34 33
RH                     43 29 31 58 76 75 82 70 52 49 56 82 92 92 92 89 73 63 70
Wind dir               SW SW SW  S  S SW SE  S  S SW SW SW  E NE NE NE NE NE NE
Wind spd               12 16 14  9  9  5  2  2  5  9  6  2  2  2  2  3  6  9  8
Wind gust                                         21 19                17    18
Clouds                 FW FW SC SC SC B1 SC SC B2 B1 B2 B2 B2 B2 OV OV OV B2 OV
PoP 12hr                     10          40          70          70          80
QPF 12hr                      0        0.01        0.04        0.17        0.30
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  L  L  L  L  L  L  D  D  L  L  C
Rain shwrs                       S  S  C
Snow                                                              D
Tstms                                           C  C  C


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            27    53      26    57      29    60      33    59
Temp          30   27 46 50 32   26 51 54 35   29 54 55 38   33 56 54
Dewpt         28   25 32 32 29   24 33 34 29   27 37 37 33   31 41 39
PWind dir          NE     N      NE    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 SC SC   FW SC SC B1   SC SC B1 SC   FW B1 B1
PoP 12hr           40    10       5    10      10    20      20    60
Rain           C    S                                 S  S    S  C  L
Snow           C    S
Tstms                                                 S  S          S

$$
MTZ008-192300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      71          42          60          37          47
Temp                   65 71 70 57 48 45 43 47 58 60 56 47 42 40 38 38 43 46 46
Dewpt                  33 32 34 35 33 34 34 37 39 40 40 40 38 38 35 34 32 33 33
RH                     30 24 26 43 56 65 70 68 49 47 55 76 86 92 89 85 65 60 60
Wind dir               SW SW SW  S  S  S  S  S  S SW  N  N  N  N  N  N  N NE NE
Wind spd               13 21 24 17 20 11  4  4  5  6  9  9  6  8  8 10 12 13 13
Wind gust                 33 36    31                                  23 25 24
Clouds                 FW SC B1 SC SC B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2
PoP 12hr                     40          30          80          70          60
QPF 12hr                   0.01        0.02        0.11        0.25        0.12
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  D  D  L  L  L  L  L  L  C  C  S
Rain shwrs                 C  C        C
Tstms                      C  S                 S  C  S


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            31    56      34    63      39    66      40    65
Temp          35   31 46 56 41   34 55 62 45   39 58 65 46   40 59 63
Dewpt         32   28 30 34 32   29 34 37 36   33 38 39 36   35 38 38
PWind dir           N     N       W    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 SC FW FW   FW SC SC B1   SC SC SC SC   SC B1 B1
PoP 12hr           20     0       0     5      10    20      10    40
Rain           S                                      S  S       S  C
Tstms                                                 S  S

$$
MTZ011-192300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      78          43          56          36          57
Temp                   73 78 73 62 55 49 43 44 51 55 55 48 45 40 36 43 52 57 56
Dewpt                  39 36 38 42 41 40 36 35 34 31 30 30 29 26 23 24 22 23 24
RH                     29 22 28 48 59 71 76 70 52 40 38 49 53 57 59 47 31 27 29
Wind dir                W  W  W  W  W  W  N NE NE NE NE NE NE NE NE NE  E  E  E
Wind spd               28 27 21 13 11 13  9  9 10 10 10  6  6  8  6  8  9  8  5
Wind gust              42 41 33
Clouds                 FW B1 B2 B2 OV B2 B2 OV OV B2 OV B2 B2 B2 B2 B1 SC SC SC
PoP 12hr                     20          30          20          20           5
QPF 12hr                      0        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      S  S  S  S  S  S  S  S
Rain shwrs                 S  S  S  C  C
Tstms                      S  S


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            35    64      40    70      44    72      44    67
Temp          42   35 59 63 47   40 64 69 52   44 67 71 53   44 63 65
Dewpt         27   26 32 33 34   32 37 37 37   36 40 37 37   33 35 33
PWind dir          SE     S       S    SW       W     W       W     W
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC FW FW FW   SC B1 SC SC   SC SC SC B1   B1 SC SC
PoP 12hr            0     0       0     0       5     5      10    10

$$
MTZ051-192300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
947 AM MDT Fri Apr 19 2019

Date             Fri 04/19/19            Sat 04/20/19            Sun 04/21/19
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                      73          44          51          35          49
Temp                   71 73 71 60 54 48 45 46 51 50 46 42 39 37 35 38 45 49 47
Dewpt                  38 37 38 40 39 38 39 39 42 41 39 37 35 33 30 29 30 31 29
RH                     30 27 30 47 57 68 79 76 71 71 76 82 85 85 82 70 55 50 49
Wind dir                W  W  W SW SW  W NW NW  N  N NE NE NE NE NE NE  E  E  E
Wind spd               23 20 17 12  9  8  6  8  8 10 10  9  6  5  6  9 10 10  9
Wind gust              34 31             17
Clouds                 SC B1 B1 B1 B1 B2 OV B2 OV OV OV OV OV OV OV OV OV B2 B2
PoP 12hr                     20          60          80          80          50
QPF 12hr                      0        0.06        0.28        0.38        0.05
Snow 12hr                 00-00       00-00       00-00
Rain                                      L  L  D  D  D  D  L  L  C  C  S  S
Rain shwrs              S  S  C  C  C  L
Snow                                                                 C
Tstms                   S  S  C  S


Date               Mon 04/22/19  Tue 04/23/19  Wed 04/24/19  Thu 04/25/19
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            32    56      37    64      42    67      43    63
Temp          37   32 51 54 41   38 59 62 47   43 63 64 50   44 61 60
Dewpt         28   26 34 35 32   30 37 38 35   35 38 38 38   35 37 36
PWind dir          SE     S       S     W       W     W       W     W
Wind char          LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1   B1 B1 SC FW   FW SC SC SC   SC B1 B1 B2   B1 B1 B1
PoP 12hr           10     5       0     5      10    20      20    40
Rain                                                  S  S       S  C
Tstms                                                    S

$$
http://www.weather.gov/greatfalls



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