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Point Forecast Matrices
National Weather Service Great Falls MT
213 PM MDT Tue May 14 2024

MTZ312-151000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      43          71          48          75          52
Temp          58 59 53 49 45 44 54 65 69 69 62 55 52 49 58 69 73 74 63 58 54 53
Dewpt         44 43 43 43 41 39 41 39 36 38 40 39 38 37 40 41 39 41 38 37 37 36
RH            59 55 69 80 86 82 61 38 30 32 44 55 59 63 51 36 29 30 39 45 52 52
Wind dir       N  N SW SW SW SW SW  W  W  W  W  W SW SW SW SW  W  W  W SW SW SW
Wind spd      10  8  4  5  6  9 10 10 12 11  8 10 10 10 13 18 21 18 14 20 18 21
Wind gust                                                  28 32 28          32
Clouds        B1 SC SC SC SC FW FW SC B1 B2 B2 B1 B1 B1 B1 B1 B2 SC SC FW FW SC
PoP 12hr                     10          10          20          30          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C                          S  S        S  S  C  C  S  S
Tstms          C


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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      41    61      39    63      40    62      42    60
Temp          63 61 47   41 55 60 45   40 59 61 47   41 57 61 48   43 56 58
Dewpt         31 27 30   29 28 29 31   29 30 27 33   31 34 36 36   35 37 36
PWind dir         W       W     W       W     W       W     N       E     E
Wind char        WY      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    FW B1 B1   B1 B1 B1 SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         30      40    40      20    30      20    30      30    40
Rain shwrs        C  C    C  C  C  S       S  C  S          C  C    S  C  C
Tstms                                                       S             S

$$
MTZ303-151000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      40          69          46          70          46
Temp          58 60 53 49 44 41 52 64 68 67 59 53 49 47 55 64 69 69 59 54 49 47
Dewpt         41 37 40 41 40 37 37 35 36 37 39 40 40 40 41 40 39 37 37 38 36 34
RH            53 42 61 74 86 85 56 34 31 33 47 61 71 76 59 41 33 31 44 54 61 60
Wind dir       N  N SW SW SW  W  W  W  W  W  W  W  W  W SW  W  W  W  W  W  W  W
Wind spd      10  9  4  6  5  9 11 13 19 23 13 13 12 10 16 20 26 29 21 17 13 21
Wind gust                                                  31 37 41 34
Clouds        B1 SC B2 B1 FW SC SC B1 B2 B1 B2 B2 B2 B2 B2 B1 B2 SC SC SC SC SC
PoP 12hr                     20          10          20          30          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S        S  S  C  C  S  S  S  S  S


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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          59      37    57      35    59      37    60      37    59
Temp          56 55 42   37 51 56 42   36 56 57 43   37 55 59 45   38 55 56
Dewpt         30 29 32   31 28 29 30   28 29 29 35   32 31 32 34   31 35 34
PWind dir         W      NW     W       W     W       W    NW      NE    NE
Wind char        WY      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1 B1   B1 B1 B1 B1   SC SC B1 SC   SC SC B1 B1   B1 B1 B1
PoP 12hr         50      50    40      10    30      10    20      20    30
Rain shwrs     S  C  C    C  C  C             C             S  S    S  S  C
Tstms                           S

$$
MTZ319-151000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      45          74          51          80          52
Temp          62 62 57 52 48 45 53 65 72 72 66 59 55 51 58 72 78 76 68 61 56 53
Dewpt         43 42 42 43 41 39 40 38 34 34 36 37 37 37 37 39 38 37 36 37 35 33
RH            50 48 57 71 77 79 61 37 25 25 33 44 51 59 45 30 24 24 31 41 45 46
Wind dir       N  N  W SW SW SW  W  W  W  W  W  W SW SW SW  W  W  W  W  W SW  W
Wind spd      11 10  6  5  4  4  5 10 13 17 10 10  9  5 10 14 21 24 18 14 10 14
Wind gust                                                     32 35 28
Clouds        OV B1 B1 B1 SC SC FW FW SC B1 B1 B1 B1 B1 SC SC B1 SC FW FW FW FW
PoP 12hr                     40           5           5          20          10
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D  C  S                                      S  S
Tstms          C  C  S


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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          69      42    65      40    66      42    65      43    62
Temp          65 63 50   43 56 64 48   40 59 64 49   43 59 62 50   44 55 61
Dewpt         31 23 25   23 26 24 29   27 28 26 31   31 34 32 35   34 36 35
PWind dir         W       W     W       W     W      NW    NW      NW    NW
Wind char        WY      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC B1 SC   FW SC B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         20      20    30      20    30      10    30      30    40
Rain shwrs        S  S    S  S  C  S          C             C  C    S  S  C
Tstms                                                       S             S

$$
MTZ326-151000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      41          69          43          77          46
Temp          61 59 52 47 43 41 49 60 67 69 60 53 47 43 54 68 74 75 62 54 49 47
Dewpt         43 44 43 41 40 39 41 39 38 36 37 38 36 35 37 38 37 42 41 39 36 35
RH            51 57 71 79 89 92 74 46 34 30 42 57 65 73 52 33 26 31 46 57 61 63
Wind dir       W  W SW SE  S SE SW  W  W  W SW SW  S  S SW  W  W  W  W SW  S  S
Wind spd      10 10  8  5  5  3  4  8  9 12  5  6  8  5  5 13 21 21 10  9 10 10
Wind gust                                                     32 32
Clouds        B2 B1 B1 B1 B2 SC FW FW SC SC B1 B1 B1 B1 SC B1 SC B1 SC FW FW FW
PoP 12hr                     60           5           5          20          20
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  C  C                                      S  S  S  S
Tstms          C  C  S


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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          70      36    64      36    65      37    64      39    62
Temp          66 64 46   37 54 62 45   36 58 64 45   38 57 59 46   40 54 60
Dewpt         35 30 28   25 28 29 30   27 30 32 32   30 35 36 36   34 35 38
PWind dir         W      NW     W       S     W      SW    NW       E     W
Wind char        WY      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW B1 B1   SC SC B1 B1   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         30      30    30      20    30      20    40      30    50
Rain shwrs        C  C    S  S  C  S          C  S       S  C  C    S  S  C
Tstms                                         S             S             S

$$
MTZ330-151000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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          63          34          67          38
Temp          53 52 44 37 34 32 41 54 61 61 51 43 37 34 46 62 66 64 55 47 41 38
Dewpt         36 36 37 35 34 32 34 33 31 29 33 34 32 31 31 35 35 33 35 35 34 32
RH            52 54 76 92100100 76 45 32 29 50 70 82 89 55 36 32 31 47 63 76 79
Wind dir      NE NW  N NE  E  N NE NW  W  W SW SW SW  S SW SW SW SW SW SW  S  S
Wind spd       5  8  6  4  2  0  3  5  5 10  5  4  2  2  5 12 14 17 13  5  5  8
Clouds        B2 B1 SC SC SC B1 SC SC SC FW SC B1 SC SC SC SC SC SC SC FW CL FW
PoP 12hr                     40           5           5          20          10
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  C  S                                      S  S
Tstms          C  C
Obvis                      F  F


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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          65      30    57      27    59      30    57      30    55
Temp          62 61 40   31 51 56 36   27 55 57 38   30 53 54 38   31 52 53
Dewpt         32 23 25   21 22 22 25   21 23 21 27   24 27 25 30   27 26 24
PWind dir        SW       W    SW       S    SW      SW    SW       S    SW
Wind char        WY      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC FW SC SC   SC FW SC SC   B1 B1 B1 B1   SC B1 B1
PoP 12hr         20      20    20      10    20      20    40      30    40
Rain shwrs        S  S          S             S  S       S  C  C    S  S  C
Snowshwrs                                                S
Tstms                                                       S             S

$$
MTZ328-151000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      40          69          43          76          46
Temp          58 59 51 46 43 40 48 59 67 69 59 51 47 43 53 68 74 75 62 54 49 46
Dewpt         39 39 40 41 40 38 37 35 32 30 33 33 33 34 34 35 31 34 35 34 34 33
RH            49 47 66 83 89 92 65 40 27 23 37 50 58 70 48 29 20 22 36 46 56 60
Wind dir       N NE  N SE SW  S SW  W  W  W NW SW  S  S SW SW  W  W  W SW  S SW
Wind spd      10 11  8  5  5  6  5  5  9 11  9  6  9  8 10 13 21 21 12  9 11 11
Wind gust                                                     32 33
Clouds        B2 B1 B1 B1 B1 SC FW FW SC B2 B1 B1 SC SC FW SC FW SC FW FW FW FW
PoP 12hr                     40           5           0           5           5
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C
Tstms          C  C  S


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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      36    62      35    65      36    63      37    60
Temp          66 65 44   36 54 62 45   35 59 63 44   37 57 60 45   38 55 58
Dewpt         26 21 23   23 22 19 23   22 22 20 27   27 29 29 34   32 33 28
PWind dir        SW       W     W      SW    SW      NW    NW       N    SW
Wind char        WY      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW SC   SC FW SC SC   SC FW SC SC   B1 SC B1 B1   B1 B1 B1
PoP 12hr         10      10    10      10    20      10    30      20    40
Rain shwrs                                    S             C  S    S  S  C
Tstms                                         S             S             S

$$
MTZ305-151000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      43          73          46          75          48
Temp          62 62 55 50 45 43 54 66 71 71 62 55 50 47 54 66 71 73 61 56 52 49
Dewpt         47 45 46 46 42 42 44 44 41 40 44 45 44 43 43 45 43 47 44 45 42 40
RH            58 54 72 86 89 96 69 45 34 32 52 69 80 86 66 47 36 40 53 66 69 71
Wind dir      NW NW  W SW SW SW SW SW  W  W  W SW SW SW SW  W  W  W  W SW SW SW
Wind spd      10 10  5  4  5  5 10 12 12 11  9  9  8  8  9 12 16 14 12 13 12 18
Clouds        B2 SC SC SC SC SC SC SC B1 B2 OV B2 B1 B2 B1 B1 B2 B1 B1 SC SC SC
PoP 12hr                     20          20          50          40          40
QPF 12hr                      0           0        0.02           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  S                    S  C  C  C  C  S  S  C  C  C  C  S  S  S
Tstms          S  S                       S  S                    S  S
Obvis                        PF


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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          64      40    61      39    65      40    64      42    63
Temp          62 60 46   40 56 58 45   39 59 62 47   41 60 62 49   43 60 61
Dewpt         38 36 39   36 37 34 36   33 36 36 38   35 37 37 39   37 40 40
PWind dir         W      NW     W       W     W       W    NW      NE     E
Wind char        WY      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1 B1   B1 B1 B1 SC   SC SC B1 SC   SC SC B1 B1   B1 B1 B1
PoP 12hr         40      50    40      20    30      20    30      30    40
Rain shwrs     S  C  C    C  C  C  S          C  S          C  C    S  S  C
Tstms             S             S

$$
MTZ314-151000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
213 PM MDT Tue May 14 2024

Date           05/14/24      Wed 05/15/24            Thu 05/16/24            Fri
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                      40          66          45          70          47
Temp          55 54 48 44 42 40 51 61 64 64 56 52 48 46 55 65 69 67 58 53 49 48
Dewpt         46 44 44 42 40 38 40 40 39 39 41 40 39 37 40 41 42 42 43 40 36 35
RH            72 69 86 93 93 92 66 46 40 40 57 63 71 71 57 41 37 40 57 61 61 60
Wind dir      NW NW  W SW SW  S  W  W NW NW SW SW  W SW  W  W  W  W  W SW SW SW
Wind spd      13 11  8  5  6  5  6 10 11 11  6  9 10  9  9 13 14 14 10 10 12 11
Clouds        OV B1 SC SC SC SC FW FW SC B1 B2 B2 B1 B2 B2 B1 B1 B2 B1 FW FW SC
PoP 12hr                     30          20          40          40          30
QPF 12hr                   0.01           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D  C                    S  C  C  S  S  S  S  C  C  C  C  S  S  S
Tstms          C  C                    S  S  S              S  S  S  S  S  S


Date           05/17/24  Sat 05/18/24  Sun 05/19/24  Mon 05/20/24  Tue 05/21/24
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          65      38    57      36    60      37    59      38    56
Temp          62 59 45   39 52 56 42   37 56 58 44   38 56 56 44   39 52 55
Dewpt         36 31 32   28 28 30 31   28 30 32 33   30 35 37 37   33 38 39
PWind dir         W      NW     W       W     W       W     N       E     E
Wind char        BZ      BZ    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1 B1   B1 B1 B1 B1   SC SC B1 SC   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         40      50    50      30    40      20    40      40    50
Rain shwrs     S  C  C    C  C  C  C    S  S  C  S    S  S  C  C    S  C  C
Tstms             S                           S             S             S

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