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Point Forecast Matrices
National Weather Service Great Falls MT
151 PM MDT Sun Apr 30 2017

MTZ012-302300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      58          34          54          34          55
Temp                      57 56 45 39 36 34 42 49 53 52 44 39 36 34 43 50 53 55
Dewpt                     33 32 32 32 32 30 32 28 28 28 33 32 32 31 33 34 32 32
RH                        40 40 60 76 85 85 67 44 38 39 65 76 85 89 67 54 44 41
Wind dir                   W  W  W  W  W  W NW  W  W  W  W  W  W  W  W NW  W  W
Wind spd                  26 21 14 14 13 10 14 13 13 12 10  9  8  8  9  9 10  9
Wind gust                 37
Clouds                    B2 B1 SC B2 B2 B2 B1 SC B2 OV OV OV B2 B2 OV B2 B2 SC
PoP 12hr                     20          30          30          30          30
QPF 12hr                   0.01        0.01        0.02        0.02        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C     S  C  S  S  C  C  C  C  C  C  C  S
Snowshwrs                              C  S                    C  C


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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            34    69      43    78      45    82      48    72
Temp          39   35 60 69 50   44 72 76 55   46 77 78 56   49 68 70
Dewpt         31   30 35 37 42   38 47 37 46   41 51 43 44   39 43 40
PWind dir           W    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   FW FW SC SC   SC FW FW FW   FW FW SC B1   B1 B1 B1
PoP 12hr           20     5       5     5       5    20      30    30
Rain shwrs     S                                      S  S    C  C  C

$$
MTZ010-302300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      55          32          53          33          54
Temp                      55 52 42 37 35 32 41 48 52 51 43 38 35 33 41 48 52 53
Dewpt                     32 31 32 32 32 31 31 26 26 28 32 32 31 31 34 35 32 31
RH                        41 44 67 82 89 96 67 42 36 41 65 79 85 92 76 60 46 43
Wind dir                   W  W  W  W NW NW NW  W  W  W  W  W  W  W NW NW  W  W
Wind spd                  28 25 18 16 13 13 16 12 14 16 12 10 10 11 13 10 11 11
Wind gust                 41 35
Clouds                    B1 B1 B1 B1 B2 B1 B1 SC B2 OV OV B2 B2 B2 B2 B2 B1 SC
PoP 12hr                     10          30          20          20          30
QPF 12hr                      0        0.02        0.01        0.01        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  S  C     S  S           S  S     C  C  C  S
Snowshwrs                              C  S                    S  C


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    66      42    76      45    78      44    67
Temp          40   36 58 66 49   43 68 75 52   47 70 76 51   45 60 66
Dewpt         32   32 38 39 41   39 46 37 43   42 47 41 40   40 41 40
PWind dir           W     W       W     W       W     S      SW     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   FW FW SC SC   SC FW FW FW   FW SC SC SC   B1 B1 B1
PoP 12hr           20     5       5     5       5     5      20    30
Rain shwrs     S                                              S  C  C

$$
MTZ014-302300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          38          57          35          58
Temp                      58 58 49 44 40 38 43 52 56 54 46 41 39 35 42 50 56 58
Dewpt                     34 33 32 31 30 28 28 27 25 25 32 32 33 31 31 29 27 30
RH                        40 39 52 60 67 67 55 38 30 32 58 70 79 85 65 44 32 34
Wind dir                   W  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW NW  W
Wind spd                  19 18 13 10 10  6  9 12 12 13  9  6  5  5  8 11 11  9
Clouds                    B2 B1 B1 SC B1 B1 B1 SC B1 OV OV B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     40          10          10          30          20
QPF 12hr                   0.01           0           0        0.03        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  C  C  C  S  S  S  S
Snowshwrs                                                         S


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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            36    69      43    79      47    80      48    71
Temp          42   36 56 69 50   44 64 79 54   48 68 80 55   49 62 71
Dewpt         30   30 32 39 39   37 39 40 43   41 41 45 45   43 40 40
PWind dir           W    SW       W    SW      SW     S      SW    SE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   FW FW SC SC   SC FW FW FW   FW FW SC B1   B1 B1 B1
PoP 12hr            5     5       5     5       5    20      30    40
Rain shwrs                                            S  C    C  C  C
Tstms                                                               S

$$
MTZ055-302300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      56          32          54          34          54
Temp                      56 54 46 39 35 32 40 49 54 51 44 39 36 34 41 48 52 53
Dewpt                     36 37 36 34 32 29 31 27 27 29 36 35 34 33 35 32 30 32
RH                        47 52 68 82 89 88 70 42 35 42 73 85 92 96 79 54 43 44
Wind dir                   W  W NW  W  S SW  W  W  W  W  W  W  S SW  W  W NW NW
Wind spd                  10 11  8  8  5  6  5  6  8  9  8  5  4  4  6  9  9  6
Clouds                    B2 B2 B2 B1 B1 B1 B1 SC B1 OV OV OV OV OV B2 B2 B2 B1
PoP 12hr                     30          20          10          60          40
QPF 12hr                   0.02        0.01           0        0.07        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  S                       C  L  C  C  C  C  C  C
Snowshwrs                                                      C  C
Tstms                      S


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    66      37    74      40    77      41    70
Temp          38   32 58 64 46   38 68 72 47   42 73 73 48   43 65 68
Dewpt         31   29 34 39 40   36 46 44 43   41 49 49 45   42 45 46
PWind dir           W    SW      SW    SW       S     S       S     S
Wind char          LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    B1   SC FW SC SC   SC SC FW FW   FW FW SC SC   SC B1 B1
PoP 12hr           10     5       5     5       5    10      20    30
Rain shwrs                                               S    S  S  C

$$
MTZ055-302300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      46          25          44          25          46
Temp                      46 44 37 33 29 25 32 39 43 42 36 30 27 25 32 41 44 45
Dewpt                     30 31 31 29 27 23 26 23 25 27 33 29 27 25 30 27 26 25
RH                        53 60 79 85 92 92 78 52 49 55 89 96100100 92 57 49 45
Wind dir                  SW SW  W  S  E  E SW  W  W SW SW SW SW  W  W  W  W NW
Wind spd                  13 11  5  3  3  2  3  6 13 11  6  4  3  3  4  8  8  5
Clouds                    B2 B2 B2 B2 B2 B1 SC SC B1 OV OV OV OV B2 B2 B2 B2 B1
PoP 12hr                     30          30          20          50          30
QPF 12hr                   0.02        0.02        0.01        0.08        0.02
Snow 12hr                 00-00           T       00-00
Rain shwrs                 C  C  C                 S  C  C              S  S
Snowshwrs                           S  S                 C  C  C  C  C
Tstms                      S
Obvis                                                         PF


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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            23    53      30    60      33    61      34    58
Temp          29   23 47 53 36   31 56 58 38   35 58 58 38   37 55 55
Dewpt         26   21 29 34 29   28 37 36 34   33 41 37 36   36 38 38
PWind dir           N     S      SW     S      SE     S      SE     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   FW FW SC SC   SC FW FW FW   FW FW SC SC   SC B1 B1
PoP 12hr           10     5       5     5       5     5      20    30
Rain shwrs                                                    S     C
Snowshwrs                                                     S

$$
MTZ008-302300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      54          32          54          33          56
Temp                      54 52 45 40 34 32 40 49 53 52 45 40 36 33 42 51 55 55
Dewpt                     31 32 30 28 27 26 25 23 24 24 31 31 31 29 31 29 29 24
RH                        41 46 55 62 75 78 55 36 32 33 58 70 82 85 65 42 37 30
Wind dir                   W  W  W  S  S SW SW SW SW  W NW SW SW SW  W  W NW NW
Wind spd                  11 14  8  8  8  8  6  8  9 13  9  5  6  6  8 12 11 10
Clouds                    B2 B2 B2 B1 B1 FW FW B1 B1 OV B2 B2 B2 B2 B2 B1 SC SC
PoP 12hr                     20          10          10          20          20
QPF 12hr                   0.01           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S                                S  S     S
Snowshwrs                                                      S  S


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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            33    66      40    75      44    76      43    69
Temp          39   34 58 66 49   41 72 71 54   45 75 66 51   44 66 65
Dewpt         29   27 33 30 38   33 45 36 42   37 45 35 41   38 39 37
PWind dir           W    SW      SW     S       S     S       S     S
Wind char          GN    LT      GN    LT      GN    GN      GN    GN
Avg clouds    SC   FW SC SC SC   SC FW FW FW   FW SC SC B1   B1 B1 B1
PoP 12hr            5     5       5     5       5    20      30    30
Rain shwrs                                         S  S  C    C  C  C
Tstms                                                               S

$$
MTZ011-302300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      62          38          59          34          59
Temp                      62 59 50 45 40 38 43 54 59 56 47 40 36 34 41 55 59 57
Dewpt                     35 34 36 37 37 36 35 31 30 27 32 33 34 34 36 37 37 35
RH                        36 39 58 73 89 92 73 41 33 32 56 76 92100 82 51 44 43
Wind dir                   W  W  W  W  W  W NW NW NW NW NW  W  W  W  W NW NW NW
Wind spd                  25 18 14 14 14 14 16 20 21 14  9  6  8  8 10 11 12 10
Clouds                    B2 B2 B2 B2 B2 B2 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     20          30          20          20          30
QPF 12hr                      0        0.02           0        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  S  S  S        S           S  S  C  C  C  C  S
Snowshwrs                                                      S  C


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    70      40    79      45    83      48    76
Temp          42   35 64 68 51   41 74 76 58   46 79 78 60   48 72 73
Dewpt         36   32 38 36 42   40 50 45 50   44 52 47 48   42 46 46
PWind dir           W    SW      SW     W      SW     S       S    SW
Wind char          LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B1   FW FW FW SC   SC SC FW FW   FW FW FW SC   B1 SC B1
PoP 12hr           20     5       5     5       5     5      30    30
Rain shwrs     S                                              C  S  C

$$
MTZ051-302300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
151 PM MDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      54          35          51          33          51
Temp                      53 53 45 40 36 35 37 47 50 49 43 38 36 33 38 46 50 51
Dewpt                     35 36 35 33 32 32 33 31 30 29 34 33 33 32 34 34 33 33
RH                        50 52 68 76 85 89 85 53 46 46 70 82 89 96 85 63 52 50
Wind dir                   W  W  W  W  W  W NW NW NW NW  W  W  W  W  W NW NW NW
Wind spd                  18 17 11 13 13 13 14 14 16 12  8  6  8  9 10 11 12 10
Clouds                    OV B2 B1 B1 B2 B2 B2 B1 B1 B2 OV OV B2 B2 OV OV B2 B1
PoP 12hr                     30          40          40          30          50
QPF 12hr                   0.02        0.02        0.02        0.02        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  S     S  C  C  C  S  S        C  C     C  C  C  S
Snowshwrs                              C  C                    C  C
Tstms                                                                   S  S


Date               Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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            33    64      40    74      46    80      47    71
Temp          39   34 59 64 48   41 71 71 55   47 78 72 58   47 68 68
Dewpt         33   30 33 37 40   36 47 43 46   41 49 47 47   38 43 45
PWind dir           W     W      SW     W      SW     S       S    SW
Wind char          GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    B1   SC FW SC SC   SC SC FW FW   FW FW SC SC   B1 B1 B1
PoP 12hr           20     5       5     5       5    20      30    20
Rain shwrs     S                                      S       C  S  S

$$
weather.gov/greatfalls




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