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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
822 PM MDT Thu May 9 2024

MTZ312-101000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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          67          41          75          46
Temp                50 43 39 35 46 58 65 65 54 47 44 42 53 69 73 74 62 54 49 47
Dewpt               44 39 35 30 36 41 42 41 42 37 35 33 38 42 40 41 42 42 39 37
RH                  80 86 85 82 68 53 43 41 64 68 70 70 57 37 30 30 48 64 68 68
Wind dir             S SW SW SW SW SW  S  S  S SW SW SW SW  W  W NW SW SW SW SW
Wind spd            10  9  8  9  9  8  6  8  6  8  9 10 11 10  9  8  5  6  6  8
Clouds              FW FW FW FW FW FW CL CL FW FW FW SC SC FW FW FW FW FW SC FW
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          77      50    72      46    64      44    66      45    70
Temp          70 76 57   51 69 67 53   47 58 63 49   45 59 65 50   46 64 66
Dewpt         43 42 41   36 38 38 38   35 37 38 38   37 37 37 37   34 36 34
PWind dir        SW      SW    SW       W    NW       W     W      SW    SW
Wind char        GN      GN    BZ      GN    GN      GN    GN      GN    BZ
Avg clouds    FW FW SC   FW FW SC B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC
PoP 12hr         10       5    10      30    40      30    30      20    20
Rain                               S    C  C     C    S  S  C  S          S
Rain shwrs                                    C
Tstms                                         S

$$
MTZ303-101000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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          71          44          75          46
Temp                55 46 40 35 48 65 69 70 58 50 46 45 57 70 74 73 62 54 49 47
Dewpt               37 37 35 30 35 35 35 35 38 37 33 33 36 39 39 38 40 40 39 37
RH                  51 71 82 82 60 33 28 27 47 61 60 62 45 32 28 28 44 59 68 68
Wind dir            NW  W  W  W  W SW  S SW SW  W  W  W  W NW NW  W SW  W  W  W
Wind spd             6  4  6  6  5  6  9 10  8 10 10 11 13 13 12 11  8 11 10 10
Clouds              FW FW FW FW FW CL FW FW FW SC SC SC SC FW SC SC SC SC FW FW
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          76      49    67      43    63      41    65      42    65
Temp          71 74 56   50 64 63 50   44 56 61 46   42 57 63 47   43 61 62
Dewpt         43 40 37   35 36 37 38   37 35 35 37   35 34 35 34   31 34 33
PWind dir         W      SW     W       W    NW       W     W       W     W
Wind char        GN      GN    BZ      BZ    GN      GN    GN      GN    BZ
Avg clouds    FW FW FW   SC SC B1 B1   B2 B1 B1 B1   B1 SC SC SC   SC SC SC
PoP 12hr         10       5    20      30    30      20    20      20    20
Rain                            S  C    C  C  C  S       S  S  S          S

$$
MTZ319-101000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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          70          43          78          49
Temp                56 49 43 38 44 57 68 70 60 52 46 43 52 67 76 77 67 58 53 49
Dewpt               44 41 37 33 35 41 40 37 37 36 33 33 35 38 37 36 37 36 35 35
RH                  64 74 79 82 70 55 36 30 42 54 60 67 52 34 24 23 33 44 50 58
Wind dir            NW  W SW SW  N  E NE  E SW SW SW SW  S  W  W NW  W SW SW SW
Wind spd             6  5  3  2  2  5  5  6  5  5  4  4  4  9 11 12  6  5  5  5
Clouds              CL FW FW SC SC FW FW FW CL FW FW FW SC SC SC 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


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          80      51    74      49    69      46    71      47    74
Temp          71 79 59   51 70 70 56   50 63 65 53   47 63 67 53   47 66 69
Dewpt         39 38 36   34 36 34 34   33 36 32 35   34 38 32 32   32 36 32
PWind dir         W       W     W       W     W       W     W       W     W
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW FW   FW FW SC SC   B1 B1 B1 B1   B1 SC SC SC   SC SC SC
PoP 12hr          5       0    10      10    30      20    30      20    20
Rain                                       S     S       S  C  S          S
Rain shwrs                                    C
Tstms                                         S

$$
MTZ326-101000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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          63          35          73          41
Temp                42 38 34 31 39 51 61 63 51 44 39 36 47 63 70 72 59 51 46 42
Dewpt               38 36 33 31 35 40 41 39 39 35 31 29 34 39 38 38 39 37 35 34
RH                  86 92 96100 85 66 48 41 63 70 73 75 60 41 31 29 47 59 65 73
Wind dir            SE SE  S  S  S SW  S  S  S  S  S  S  S  W  W  W SE SE  S  S
Wind spd             8  8  5  3  2  3  4  5  8  8  8  4  3  5  8  8  5  5  5  4
Clouds              SC SC SC FW SC FW FW FW CL FW FW FW SC SC SC SC 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
Rain
Obvis                     PF PF


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          76      45    73      42    66      39    68      41    72
Temp          67 75 54   46 68 68 51   43 59 65 49   40 58 66 49   42 64 68
Dewpt         39 39 38   36 39 39 37   35 35 35 37   32 36 36 35   33 38 35
PWind dir        SW       S    SW       W     W       W     W      SW    SW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC
PoP 12hr          5       5    20      20    30      20    30      20    20
Rain                               S       S     S       S     S          S
Rain shwrs                      S             C             C
Tstms                           S             S             S

$$
MTZ330-101000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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                      27          61          28          67          32
Temp                39 34 30 28 37 54 60 59 48 38 32 29 40 60 66 64 50 41 35 32
Dewpt               30 32 29 26 28 29 28 26 33 32 29 27 28 31 29 28 33 32 29 27
RH                  70 92 96 92 70 38 29 28 56 79 88 92 62 33 25 25 52 70 78 81
Wind dir             N  N  E  E NE  E NE NE  N  E  E  E  N  W NW NW  N  E  E  E
Wind spd            12  8  3  2  5  4  5  5  5  2  2  2  0  4  5  9  5  2  2  2
Clouds              SC SC B1 SC FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW
PoP 12hr                      5           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain
Obvis                     PF


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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      36    64      33    59      31    59      32    63
Temp          63 65 44   36 61 61 42   34 55 57 40   32 54 57 40   32 57 61
Dewpt         32 32 36   32 35 33 34   29 29 27 31   28 28 25 30   27 30 29
PWind dir        SW      SW    SW       W     W      NW    NW      SW    SW
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW FW   SC SC B1 B1   SC SC B1 B1   SC SC B1 SC   SC SC SC
PoP 12hr         10      10    40      30    40      20    30      20    20
Rain                               C    S        S          C  S          S
Rain shwrs                      C             C
Tstms                           S             S

$$
MTZ328-101000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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                      32          66          38          73          42
Temp                47 40 35 32 40 53 64 64 54 47 41 38 49 64 71 72 60 52 46 42
Dewpt               38 36 32 30 34 35 31 28 31 31 30 29 32 33 29 30 33 34 33 32
RH                  71 85 89 92 79 50 29 25 41 53 65 70 52 31 21 21 36 50 60 67
Wind dir            NE  N SE  S  W  N NE NE NE SW  S  S SW  W NW  N NW  W SW SW
Wind spd            12  8  5  6  4  4  5  8  8  5  6  6  5  5  8 10  8  6  8  6
Clouds              FW FW FW FW SC FW FW FW CL FW FW FW FW B1 SC SC 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


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          76      46    72      41    68      40    69      41    73
Temp          67 75 53   46 68 69 49   41 61 67 49   40 60 68 48   41 65 69
Dewpt         32 30 34   35 33 29 32   31 29 26 30   30 29 27 30   30 31 26
PWind dir         W      SW    SW       W     W      NW     W       W    SW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW FW   FW FW SC SC   SC SC SC B1   SC SC SC SC   SC FW SC
PoP 12hr          0       5    10       5    10       5    10      10    10

$$
MTZ305-101000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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                      39          71          45          78          47
Temp                58 49 44 40 50 63 69 69 58 51 48 45 54 70 77 75 64 56 51 47
Dewpt               45 44 41 38 42 43 42 42 43 42 39 38 41 46 45 43 45 45 43 42
RH                  62 83 89 92 74 48 37 37 57 71 71 76 61 42 32 32 50 66 74 83
Wind dir             W SW SW SW SW SW  W SW  S SW SW SW SW  W  W NW  W SE  S  S
Wind spd             9  6  6  9 12 11 10 10  8  8  9 10 13 11 10  9  5  5  6  9
Clouds              FW FW FW FW FW FW FW CL FW FW SC SC B1 SC SC FW SC B1 SC SC
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          78      50    74      45    64      42    68      44    71
Temp          70 74 56   50 71 68 52   46 58 61 48   42 62 64 50   44 64 67
Dewpt         48 45 45   41 44 45 43   41 41 38 39   37 40 38 38   37 40 39
PWind dir        SW       S     W       W    NW       W     W      SW    SW
Wind char        GN      GN    BZ      GN    BZ      GN    GN      GN    GN
Avg clouds    FW SC SC   SC FW B1 B1   B2 B1 B1 B1   B1 SC B1 SC   SC SC SC
PoP 12hr         20      20    30      40    40      30    30      20    20
Rain              S       S     C  C    C  C  C  C    S     C  S          S
Rain shwrs           S
Tstms                S

$$
MTZ314-101000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
822 PM MDT Thu May 9 2024

Date           05/09/24      Fri 05/10/24            Sat 05/11/24            Sun
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                      32          62          38          68          44
Temp                49 41 36 33 45 56 60 60 48 42 41 39 52 65 68 66 55 50 46 45
Dewpt               46 39 34 30 37 39 39 40 38 36 34 31 37 41 42 42 43 41 37 36
RH                  89 92 92 89 73 53 46 47 68 79 76 73 56 41 39 42 64 71 71 70
Wind dir             W SW  S  S SW  W  W  W  S  S  S  S SW NW NW NW  W  S SW SW
Wind spd             9  5  5  5  5  5  5  5  6  8  8  6  9 10 11 11  5  6  6  8
Clouds              SC FW FW FW SC FW FW FW FW FW FW FW B1 SC SC FW FW SC SC SC
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain


Date           05/12/24  Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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          71      47    70      42    58      39    61      41    66
Temp          68 69 51   47 67 64 49   43 55 56 44   40 56 60 45   42 61 63
Dewpt         45 44 41   37 38 40 39   34 40 38 37   34 37 37 36   32 37 38
PWind dir         W      SW     W       W    NW       W     W       W     W
Wind char        GN      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    FW B1 SC   FW FW B1 B1   B1 B1 B2 B1   B1 B1 B1 SC   SC SC B1
PoP 12hr         30      10    30      40    60      40    40      20    30
Rain              C                C    C  C     C    S  S     S          C
Rain shwrs                      C             L             C
Tstms                           S             S             S

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