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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
303 AM MDT Sat Apr 29 2017

MTZ012-292300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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          41          58          35          54
Temp             33 43 51 54 55 48 44 41 43 49 55 58 56 47 41 38 35 43 49 53 53
Dewpt            29 34 32 29 27 30 32 31 33 36 36 34 31 32 32 32 31 34 29 29 29
RH               85 70 48 38 34 49 62 67 67 61 49 40 38 56 70 79 85 70 46 39 39
Wind dir         SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W NW
Wind spd          8 10  9 11 11  8 10 11 13 16 19 21 21 16 13 12 12 12 13 13 13
Clouds           B1 SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 SC B1 B2 B1 B1 B1 B1 B2
PoP 12hr                     10           5          20          20          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S        S  S  C  C  C  C  S
Tstms                                              S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    53      34    65      41    73      43    67
Temp          39   34 48 52 39   35 59 64 48   42 69 71 53   43 63 64
Dewpt         32   31 34 32 33   31 34 35 39   35 44 39 43   37 41 37
PWind dir           W    NW       W    SW       W    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B2 OV B2 B1   SC FW SC B1   SC FW FW FW   FW SC SC
PoP 12hr           30    40      20     5      10     5       5    20
Rain shwrs     S    C  C  C  S                                      S
Tstms                     S

$$
MTZ010-292300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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          40          55          35          52
Temp             33 42 50 53 53 46 42 41 41 45 52 55 53 44 40 37 35 42 47 51 51
Dewpt            31 34 30 28 29 31 33 33 33 34 35 32 32 32 33 32 32 34 30 28 28
RH               92 73 46 38 39 55 70 73 73 65 52 41 44 62 76 82 89 73 51 41 41
Wind dir          W  W  W  W  W  W SW SW SW SW  W  W  W  W  W NW NW NW NW NW NW
Wind spd          8 11 12 14 14 11 10 11 11 14 19 26 23 17 14 13 14 14 13 13 17
Wind gust                                      31 36 34
Clouds           B1 SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2
PoP 12hr                      5          10          20          20          40
QPF 12hr                      0           0           0        0.02        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S              S  S  C  C  C  C  S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    53      35    63      41    71      42    62
Temp          37   32 46 53 39   36 55 63 46   43 65 70 48   42 53 62
Dewpt         31   30 36 30 32   33 33 34 37   38 44 40 40   38 37 37
PWind dir          NW    NW       W     W       W     W      SW     W
Wind char          GN    GN      GN    GN      BZ    GN      BZ    GN
Avg clouds    B2   B2 B2 B2 B1   SC FW SC B1   SC FW FW FW   FW SC B1
PoP 12hr           20    50      20     5      10     5       5    10
Rain shwrs     S    S  C  C  S
Snowshwrs           S  C
Tstms                     S

$$
MTZ014-292300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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          42          59          37          57
Temp             33 41 50 55 58 49 45 43 43 46 53 58 57 49 43 40 37 42 51 56 55
Dewpt            30 33 31 28 28 30 31 31 33 33 33 33 32 32 31 31 30 31 28 28 29
RH               89 73 48 35 32 48 58 62 67 60 46 39 38 52 62 70 75 65 41 34 37
Wind dir         SW  W  W  W  W SW SW SW  S SW  W  W  W  W  W  W  W  W NW NW  W
Wind spd          3  3  6  9  9  6  4  5  4  6 11 14 14 13 10 10  8  8 12 12 12
Wind gust                                         26 25
Clouds           SC SC SC SC B1 B1 B2 B2 B2 OV B2 B2 B1 B1 SC B1 B1 B1 B1 B1 B2
PoP 12hr                     10           5          30          10          20
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C              S  S  S  S  S
Tstms                                           S  S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    56      36    66      43    73      47    69
Temp          43   35 50 56 42   37 56 66 48   44 64 72 53   48 62 68
Dewpt         33   31 29 29 31   32 31 35 36   38 40 41 43   41 39 37
PWind dir           W     W      NW    SW       W    SW      SW     S
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   OV B2 B2 B1   SC FW SC B1   SC FW FW FW   SC SC SC
PoP 12hr           30    40      10     5      10     5       5    20
Rain shwrs     S    C  C  C                                         S
Snowshwrs              C
Tstms                     S

$$
MTZ055-292300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      52          35          57          33          54
Temp             31 37 46 51 51 43 39 36 37 44 53 56 55 46 39 36 33 40 49 54 52
Dewpt            29 31 32 30 30 32 30 28 29 33 34 36 38 36 33 32 30 32 29 30 33
RH               92 79 58 44 44 65 70 72 72 65 48 47 53 68 79 85 89 73 46 40 48
Wind dir          S  S  W SW SW  S SE SE  S  S  W  W  W NW  W  W SW SW  W  W  W
Wind spd          4  3  3  4  6  8  6  4  5  3  8 10 11  8  9  6  6  6  8  8  9
Clouds           B1 SC SC SC SC SC B1 B1 B2 B2 OV B2 B2 B2 B1 SC B1 B1 B1 B1 B2
PoP 12hr                     20           5          30          30          20
QPF 12hr                      0           0        0.01           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S                    C  C  C  C        S  S  S  S  C
Tstms                                              S  S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    52      31    63      39    70      44    68
Temp          39   33 48 51 39   32 55 62 45   41 65 68 50   45 65 64
Dewpt         33   31 30 33 33   29 32 34 37   36 41 41 42   40 39 43
PWind dir           W     W       W    SW      SW    SW       S     S
Wind char          GN    LT      GN    GN      GN    GN      GN    LT
Avg clouds    B2   OV OV B2 B2   SC SC SC SC   SC FW FW SC   SC SC SC
PoP 12hr           40    40      20     5      10     5      10    30
Rain shwrs     C    C  C  C  S                                   S  C
Snowshwrs              C
Tstms                     S

$$
MTZ055-292300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      42          26          46          25          44
Temp             22 28 37 41 41 32 29 27 28 33 43 45 45 38 32 29 25 32 40 43 43
Dewpt            19 24 22 22 24 26 25 24 25 28 28 30 32 34 30 27 24 29 24 26 29
RH               88 85 54 46 50 78 85 88 88 82 55 55 60 85 92 92 96 88 52 51 57
Wind dir          E  E  N  N SW  S SE SE SE  S SW SW SW  W NW NW NW NW  W  W  W
Wind spd          4  2  5  8  6  4  3  3  3  3  8 12  9  5  3  3  4  4  9  9 11
Clouds           B2 B1 B1 SC SC B1 B2 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 B2
PoP 12hr                     20           5          30          30          20
QPF 12hr                      0           0        0.01        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C                    C
Snowshwrs                  S                                S  S  S  S  S  S
Tstms                                              S  S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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            24    42      23    51      29    56      32    55
Temp          30   24 39 41 30   23 45 50 35   30 52 54 38   33 52 52
Dewpt         29   24 25 21 25   22 25 28 30   27 34 32 34   31 33 32
PWind dir           W    NW      NW     S      SW     S       S     S
Wind char          GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B2   OV B2 B2 B1   SC FW SC SC   SC FW FW SC   FW SC SC
PoP 12hr           50    40      10     5      10    10       5    20
Rain shwrs     C                                                    S
Snowshwrs           C  C  C

$$
MTZ008-292300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      52          37          55          32          53
Temp             30 36 45 50 52 45 41 39 39 44 52 55 54 46 40 35 32 39 48 53 51
Dewpt            26 29 27 25 22 24 27 28 29 29 29 31 31 31 31 28 25 26 24 25 24
RH               85 75 49 37 31 43 57 64 67 55 41 40 41 55 70 75 75 59 39 33 34
Wind dir          S SW SW SW SW  S  S  S  S SW SW  W  W  W  W SW SW SW  W  W  W
Wind spd          5  4  4  6 10  8  8  9  9 10 11 11 13  9  6  6  6  6  9  9 12
Clouds           SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B2
PoP 12hr                     10           5          20          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  S  S                    C
Tstms                                              S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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            31    52      31    63      39    69      42    67
Temp          38   31 48 51 38   32 56 62 47   40 67 65 51   42 64 63
Dewpt         30   27 25 24 29   26 29 31 35   31 38 34 40   34 37 36
PWind dir           W     W       W    SW      SW     S       S     S
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B1 B1   SC FW SC SC   SC FW FW FW   FW SC SC
PoP 12hr           40    30      10     5      10     5       5    20
Rain shwrs     C    C  C  S                                      S  S
Snowshwrs           C  C
Tstms                     S

$$
MTZ011-292300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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          41          63          38          58
Temp             32 43 54 59 58 50 45 43 43 47 59 63 60 52 46 42 38 44 53 58 56
Dewpt            28 33 33 31 30 33 34 34 36 35 37 38 33 35 36 38 35 37 33 36 31
RH               85 67 45 34 34 52 65 70 76 63 44 39 36 52 68 86 89 76 46 44 38
Wind dir          S SW SW SW SW SW  S  S SW SW  W  W  W  W  W  W  W  W NW NW NW
Wind spd          5 10 12 13 13  8  6  8 10 14 17 19 17 14 13 14 14 14 19 19 17
Wind gust                                            27
Clouds           SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1
PoP 12hr                     20          10          20          20          20
QPF 12hr                      0           0           0        0.01        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S                    S  S  S  S  S  S  S  S  S  S
Tstms                      S                          S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    58      36    67      41    75      44    68
Temp          42   35 54 57 42   37 61 66 50   42 71 72 55   44 64 65
Dewpt         36   33 35 35 36   34 37 37 41   38 47 41 45   40 41 39
PWind dir          NW    NW      NW    SW       W    SW      SW    NW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   B1 B2 B2 B1   SC SC SC B1   SC SC FW FW   FW SC SC
PoP 12hr           10    40      20     5      10     5       5    20
Rain shwrs             S  C  S                                      S
Tstms                     S

$$
MTZ051-292300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
303 AM MDT Sat Apr 29 2017

Date             Sat 04/29/17            Sun 04/30/17            Mon 05/01/17
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                      52          37          57          34          51
Temp             29 41 50 51 51 44 41 38 40 48 56 55 56 47 41 37 34 38 46 50 50
Dewpt            28 34 33 32 32 32 31 29 33 35 36 35 34 36 34 32 31 32 30 29 29
RH               96 76 52 48 48 62 67 70 76 60 47 47 43 65 76 82 89 79 53 44 44
Wind dir          S SW  W SW SW SW  S  S  S  W  W  W  W  W  W  W  W  W NW NW NW
Wind spd          5  5  6  8  9  6  8  8  8 12 11 13 14 10 11 12 13 13 17 17 16
Wind gust                                            25
Clouds           SC SC SC B1 SC SC SC SC B2 B2 OV B2 B2 B2 SC B1 B1 B1 B1 B1 B1
PoP 12hr                     30          20          30          20          30
QPF 12hr                   0.01           0        0.01           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S                 C  C  S  S        C  C  S  S  S
Tstms                                              S


Date               Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
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    49      33    63      40    71      44    66
Temp          37   32 45 49 38   34 57 62 47   41 69 67 52   44 64 59
Dewpt         31   30 32 33 34   31 31 35 36   35 42 39 42   39 40 39
PWind dir           W    NW       W     W       W     W      SW     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   B2 B2 B2 B2   SC FW SC SC   SC FW FW FW   FW FW SC
PoP 12hr           20    50      20     5      10     5       5    20
Rain shwrs     S    S  C  C  S                                      S
Snowshwrs              C

$$
weather.gov/greatfalls




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