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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
841 PM MDT Thu Jun 20 2024

MTZ312-211000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      49          76          49          82          55
Temp                64 55 52 50 57 68 72 71 63 56 51 50 60 74 80 82 71 63 58 56
Dewpt               47 47 46 45 48 50 52 52 52 52 49 48 49 48 44 42 46 47 45 43
RH                  54 74 80 83 72 52 49 51 67 86 93 93 67 40 28 24 41 56 62 62
Wind dir             E  E  E SE  N NE NE  N NE SW SW SW SW  W NW NE  E SE  S SW
Wind spd             9  5  4  3  5  6  8 10  6  4  3  4  4  5  5  8  6  6  5  6
Clouds              SC B2 B2 B2 SC SC B2 SC SC FW FW SC FW FW SC SC SC SC FW FW
PoP 12hr                     20          70          20           5           0
QPF 12hr                      0        0.03        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S              S  L  S  S
Tstms                S              S  C  S  S


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          92      56    84      49    83      52    88      57    84
Temp          86 89 64   56 78 83 59   50 75 83 63   53 79 87 66   57 79 78
Dewpt         47 41 39   34 31 31 36   35 38 38 43   41 42 41 46   44 40 41
PWind dir        SW       W     W       W     N       E    SW      SE     W
Wind char        GN      GN    GN      GN    LT      GN    LT      GN    GN
Avg clouds    FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   FW FW SC
PoP 12hr          5       0     0       0     0       0     5      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ303-211000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      44          72          44          80          51
Temp                63 53 48 45 55 65 69 66 60 52 47 45 58 73 78 79 69 61 54 52
Dewpt               42 42 41 42 44 47 48 49 49 48 45 42 44 42 40 39 43 43 41 40
RH                  46 66 77 89 66 52 47 54 67 86 93 89 59 33 26 24 39 51 61 63
Wind dir            SE  E  N  N  N NE NE  N NW  W  W  W SW SW SW SW  S  S  S SW
Wind spd             6  5  3  4  5  9  8  8  5  4  3  3  4  6  8 10  6  9  6  6
Clouds              SC SC B1 B2 B1 SC B2 SC FW FW FW SC FW FW SC SC B1 SC FW SC
PoP 12hr                     20          70          20           0           0
QPF 12hr                   0.01        0.10        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S     S  C  L  S  S
Tstms                   S  S     S  C  C  S  S


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          84      49    75      46    78      49    82      53    76
Temp          81 80 58   50 70 75 55   46 69 78 57   50 74 81 62   54 73 72
Dewpt         43 38 33   30 31 32 35   34 35 38 41   38 40 42 43   41 40 39
PWind dir        SW       W     W       W    SW       S     S      SW     W
Wind char        GN      BZ    BZ      GN    GN      GN    GN      GN    BZ
Avg clouds    FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW FW   SC SC SC
PoP 12hr          0       0     0       5     5       0     5      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ319-211000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      52          83          53          87          58
Temp                71 62 56 52 61 73 80 79 71 62 56 53 62 76 85 86 78 68 62 59
Dewpt               38 42 41 42 45 48 47 47 49 49 46 44 45 45 43 43 44 43 43 41
RH                  30 48 57 69 56 41 31 32 46 62 69 71 54 33 23 22 30 40 50 51
Wind dir            NE  W  W  W NW  N  N NW  N  W  W SW SE NW  W NW  N  S  S  S
Wind spd             4  3  2  2  1  4  8 10  6  3  2  2  1  5  8  9  4  4  5  5
Wind gust                                                     18
Clouds              SC B2 B2 SC SC SC B1 FW FW FW FW SC SC SC SC SC FW FW FW FW
PoP 12hr                     20          40           5           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C
Tstms                                  C


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          95      58    86      53    88      56    91      59    86
Temp          86 90 69   59 80 84 64   54 79 87 68   57 83 88 70   60 79 80
Dewpt         47 42 42   40 39 33 34   33 37 37 40   38 43 41 43   41 42 40
PWind dir        SW       W     W       W    NW       W    SE       W     W
Wind char        LT      GN    GN      GN    LT      GN    LT      GN    GN
Avg clouds    FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   FW FW SC
PoP 12hr          5       5     0       0     0       5     5      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ326-211000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      46          81          48          84          53
Temp                66 57 50 47 57 70 78 80 68 59 51 48 60 73 82 83 74 63 56 53
Dewpt               41 45 45 44 47 51 48 47 49 50 48 46 48 49 46 46 48 46 45 44
RH                  40 64 83 89 69 51 35 31 51 72 89 93 64 43 28 27 40 54 66 71
Wind dir             E SE  W  W NW NW NW NW  E SE SE SE SW  W  W  W  E SE SE SE
Wind spd             6  6  5  3  2  2  4  6  5  4  2  2  1  2  5  5  5  5  5  5
Clouds              FW SC FW SC FW FW SC FW FW FW FW FW FW FW SC SC FW FW CL FW
PoP 12hr                      5          30          10           5           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S
Tstms                                  S


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          93      53    88      49    87      51    88      53    85
Temp          85 89 65   54 80 85 61   50 77 86 63   52 80 85 65   54 79 80
Dewpt         49 46 45   43 47 42 40   38 43 43 45   42 48 43 45   43 46 43
PWind dir        SW      SW     W      NE     W       E    SW      SE    SW
Wind char        LT      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW FW FW FW   FW CL FW FW   FW FW FW SC   SC FW SC
PoP 12hr          5       5     5       5     5       5    10      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ330-211000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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          76          41          79          45
Temp                60 48 42 39 54 71 74 73 62 51 45 41 56 73 77 78 66 55 49 45
Dewpt               34 39 38 37 37 34 33 35 41 41 39 38 39 37 34 35 40 40 39 38
RH                  37 71 86 92 52 26 22 25 46 68 79 89 53 27 21 21 38 57 68 76
Wind dir             N  N  E NE  E SW SW  W  W NE NE  N SW SW SW SW  S  S SE SE
Wind spd             2  2  2  1  1  5  8  6  2  1  1  0  2  8 10  9  4  2  2  2
Wind gust                                17                   20 20
Clouds              SC B2 B2 SC SC SC B1 SC SC FW FW FW CL FW FW SC FW FW FW CL
PoP 12hr                     10          20           5           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S
Tstms                                  S


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          83      47    81      44    83      46    81      47    77
Temp          80 81 59   47 77 80 57   44 78 82 59   46 77 79 58   48 73 75
Dewpt         41 37 41   39 37 34 40   38 36 34 41   38 36 35 41   40 38 35
PWind dir         S      SW    SW       W     S       S     S       S     S
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    CL FW FW   FW CL FW FW   FW CL FW FW   FW FW FW SC   SC SC SC
PoP 12hr          5       0     5       0     5       5    10      10    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ328-211000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      44          80          47          85          51
Temp                63 53 46 44 55 70 78 80 68 57 50 48 59 76 83 85 74 62 55 52
Dewpt               32 34 35 36 38 40 35 34 39 41 40 39 40 42 36 35 40 40 37 36
RH                  31 48 65 73 53 33 21 19 34 55 68 71 49 30 19 17 29 44 51 54
Wind dir            NE NE SE  S SW SW  W  W  N NW  S  S SW SW  W  W SW  S  S  S
Wind spd             8  6  5  3  2  3  8 10  9  6  5  5  4  6 10 10  8  6  5  6
Wind gust                                                     20
Clouds              FW FW FW SC FW CL FW FW FW FW FW FW FW FW SC FW FW CL CL CL
PoP 12hr                      0          10           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          89      53    87      49    89      52    87      52    83
Temp          85 87 64   54 81 86 61   49 78 88 63   52 80 85 63   53 79 81
Dewpt         42 37 38   38 36 31 35   35 38 33 38   38 40 35 38   38 38 33
PWind dir        SW      SW    SW      NW    SW      NW    SW      SW    SW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    CL FW FW   CL CL CL CL   CL CL FW FW   FW FW FW SC   SC FW SC
PoP 12hr          0       0     0       0     0       0     5       5    20
Rain shwrs                                                                S
Tstms                                                                     S

$$
MTZ305-211000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      51          77          50          82          55
Temp                67 57 53 53 59 70 72 69 63 55 52 51 60 73 79 81 71 63 59 56
Dewpt               50 50 49 50 52 57 56 55 56 54 52 50 52 53 50 50 50 49 50 49
RH                  54 77 86 89 78 63 57 61 78 96100 96 75 49 36 34 47 60 72 77
Wind dir             E  E  E  E  E  E  E NE  E  E SW SW  W  W  W  W SE SE SE SE
Wind spd             8  8  6  8  9 10 10  9  5  5  4  3  4  5  5  5  5  8  6  6
Clouds              B1 SC B1 B2 B1 B1 B2 B1 B1 FW FW SC FW FW FW FW SC SC SC FW
PoP 12hr                     30          80          40          10           0
QPF 12hr                   0.02        0.20        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C        S  C  C  D  C  C
Tstms                C        S  C  C  C  C  C
Obvis                     PF


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          92      56    81      50    80      53    84      57    83
Temp          84 88 66   57 78 79 59   51 74 80 61   54 76 83 65   58 79 79
Dewpt         55 51 44   38 38 37 44   40 44 43 47   44 46 47 49   49 49 48
PWind dir         S       W     W       W     W      NE    SE      SE     W
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   SC SC B1
PoP 12hr         10       5     0       5     5       5     5      20    30
Rain shwrs                                                     S    S  S  C
Tstms                                                                     S

$$
MTZ314-211000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
841 PM MDT Thu Jun 20 2024

Date           06/20/24      Fri 06/21/24            Sat 06/22/24            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                      46          72          47          77          54
Temp                58 52 49 47 58 66 68 68 59 53 49 48 60 71 75 77 67 60 56 55
Dewpt               47 47 47 45 51 55 55 55 53 51 48 46 50 50 49 49 51 50 48 48
RH                  67 83 93 93 77 68 63 63 80 93 96 93 69 47 40 37 56 69 74 77
Wind dir             E SE  E  E  E SE SE NE NE  S  S SW  W NW NW  N  E SE  S  S
Wind spd            10  8  5  5  5  6  8  6  5  5  4  4  4  5  6  5  5  6  8  8
Clouds              FW FW FW B1 B1 B1 B2 B1 B1 FW FW SC FW FW SC SC SC SC FW FW
PoP 12hr                     20          80          40          10           0
QPF 12hr                   0.01        0.14        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S        S  C  C  L  C  C
Tstms                            C  C  L  C  C
Obvis                     PF


Date           06/23/24  Mon 06/24/24  Tue 06/25/24  Wed 06/26/24  Thu 06/27/24
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          89      53    80      47    79      50    83      54    83
Temp          85 84 63   54 76 78 57   48 74 78 59   51 77 81 63   55 78 77
Dewpt         52 55 47   39 41 39 39   36 43 45 44   40 46 45 46   43 46 45
PWind dir        SW       W     W       W    NW       E    SE      SE     W
Wind char        GN      LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    FW FW SC   FW FW FW FW   FW FW FW FW   FW FW FW SC   FW FW B1
PoP 12hr         10      10     5       5     5       5     5      20    30
Rain shwrs                                                     S          C
Tstms                                                          S          S

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