Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
206 PM MDT Tue May 6 2025

MTZ312-071000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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                      37          76          46          74          42
Temp          57 57 49 42 40 38 50 67 73 76 63 55 51 47 58 69 72 73 60 52 47 43
Dewpt         32 33 35 34 32 31 35 40 40 40 40 40 39 37 38 39 33 30 29 28 28 27
RH            38 40 58 73 73 76 56 37 30 27 43 57 63 68 47 33 24 20 31 39 47 53
Wind dir       E  E SE  S  S  S  S SW SW SW SW SW SW SW SW  W  W  W NW SW SW  S
Wind spd      12 12 11 10  9  9 12 17 16 13  9  8  8  9 16 21 20 16  9  3  3  3
Wind gust                                                  32
Clouds        FW FW FW FW CL CL CL CL FW FW FW FW FW SC SC FW FW FW FW SC FW FW
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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      48    85      53    82      50    74      46    64
Temp          68 76 57   50 77 80 61   54 73 71 57   53 66 65 52   47 57 60
Dewpt         34 33 38   36 41 40 42   42 44 45 45   44 40 38 37   35 32 32
PWind dir         S       S    SW       S    SW       W     W       W     W
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC SC B1   B2 B1 B2 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr          5       0    10      20    40      40    40      40    50
Rain shwrs                         S    S  S  C  C    C  C  C  C    C  C  C
Tstms                                         S             S

$$
MTZ303-071000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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                      33          74          46          69          37
Temp          59 60 51 44 37 34 46 66 72 72 61 53 48 48 57 65 68 66 55 48 41 38
Dewpt         19 24 29 32 31 31 32 32 31 32 35 33 32 34 35 27 23 21 22 21 22 24
RH            21 25 42 62 79 89 58 28 22 23 38 46 54 58 43 24 18 18 27 34 46 57
Wind dir      SE SE SE SE SE  S  S SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W
Wind spd      19 19 17 12  8  5  9 16 19 20 13 10 10 16 27 28 25 21 13  9  6  5
Wind gust                             29             26 41 41 37 32
Clouds        FW FW FW FW FW FW FW FW FW FW SC SC SC B1 FW FW FW FW SC SC B1 SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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          74      43    81      50    76      46    67      40    60
Temp          63 72 53   45 73 77 58   51 68 69 53   47 61 59 48   42 53 56
Dewpt         25 26 31   30 31 31 35   37 38 37 38   39 36 34 33   32 29 27
PWind dir        SW      SW    SW       W    SW       W     W       W     W
Wind char        LT      GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC SC B1   B1 B1 B1 B1   B2 B2 B1 B2   B2 B1 B1 B1   B2 B1 B1
PoP 12hr          0       0     5      20    30      50    40      50    40
Rain shwrs                              S  S  C  C    C  C  C  C    C  C  C

$$
MTZ319-071000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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                      37          76          48          77          45
Temp          57 59 51 45 40 37 45 62 72 76 65 57 51 48 56 66 73 75 63 55 49 45
Dewpt         31 33 35 35 34 33 36 41 40 40 40 40 39 38 41 40 38 37 34 33 32 31
RH            37 37 54 68 79 85 70 46 31 27 40 53 63 68 57 38 28 25 34 43 52 58
Wind dir       E  E  E  S  S  W SE  E  E SE  S SW SW SW  W  W  W NW NW  W  W SW
Wind spd       9  9  6  5  5  5  4  5  9  9  5  5  4  4  5  9 11 11  4  2  1  1
Wind gust                                                     21
Clouds        SC SC FW FW FW FW FW FW SC SC FW FW FW SC SC SC SC FW FW FW FW FW
PoP 12hr                      0           5           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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          81      49    86      53    84      51    76      45    66
Temp          69 78 59   51 74 79 62   55 73 74 59   52 65 66 53   46 57 60
Dewpt         38 35 36   36 40 39 42   42 43 41 43   41 39 35 36   35 34 32
PWind dir         S      SW     S       S     S       W    SW       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC SC   FW SC SC B2   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B2
PoP 12hr          5       0    10      20    50      40    50      50    60
Rain shwrs                         S          C  C    C  C  C  C    C  C  L
Tstms                                         S

$$
MTZ326-071000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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          72          42          75          41
Temp          50 52 43 39 34 34 46 60 69 72 59 52 47 43 54 68 73 71 59 51 45 42
Dewpt         33 34 33 33 32 32 38 39 40 39 42 39 37 35 40 42 41 40 42 41 39 37
RH            52 50 67 79 92 92 73 46 35 30 53 61 68 73 59 39 31 32 53 68 79 82
Wind dir       E  E SE SE  S SE  W NW  W  S SE SE SE  S SW  W  W NW  E SE SE SE
Wind spd       9  9  8  5  4  3  2  2  3  5  6  8  5  5  4  5  6  6  4  2  1  2
Clouds        FW FW FW FW FW FW FW FW FW FW SC SC FW SC SC B1 B1 SC SC FW FW FW
PoP 12hr                      0           5           0          30          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  S  S
Tstms                                                             S  S
Obvis                     PF PF


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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      45    83      50    82      47    75      41    64
Temp          67 75 54   47 73 78 58   52 74 75 57   49 66 67 50   43 57 59
Dewpt         41 35 37   36 39 39 41   40 42 39 40   40 38 35 36   36 36 34
PWind dir        SW      SE     S       S     S       S    SW       W     W
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    LT
Avg clouds    FW FW FW   FW FW SC B1   B1 B1 B1 B1   B1 SC B1 B1   B1 B1 B2
PoP 12hr          5       0    10      10    40      30    30      40    60
Rain shwrs                                    C  C    S  S  C  C    C  C  L

$$
MTZ330-071000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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                      28          65          33          67          31
Temp          54 54 44 36 30 28 39 58 63 63 50 42 36 33 44 63 66 62 51 42 35 31
Dewpt         28 29 34 32 29 27 31 33 31 31 34 34 32 31 33 35 34 34 36 34 32 29
RH            36 38 68 85 96 96 73 39 30 30 54 73 85 92 65 35 30 35 56 73 89 92
Wind dir      NE  E  E NE SE  S SE SW SW SW  S  S SE SE  S SW SW  W SW SE  E  E
Wind spd       5  4  3  2  2  1  1  4  5  5  3  2  2  2  2  5  6  5  2  2  1  1
Clouds        B1 SC SC FW FW FW FW FW FW FW FW FW FW FW SC B1 B1 SC SC FW FW FW
PoP 12hr                      5           5           0          40          20
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  S  S
Tstms                                                             S  S
Obvis                  PF PF PF


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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      33    73      39    73      39    66      33    60
Temp          64 67 43   33 67 69 48   39 68 66 48   39 59 58 41   33 54 55
Dewpt         31 27 30   26 32 32 33   31 35 35 38   34 33 30 29   26 26 26
PWind dir         S       S     S       S     S       S     S       S    SW
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    FW FW FW   FW FW FW SC   SC B1 B1 B1   SC SC B1 B1   B1 B1 B1
PoP 12hr          5       0    10      20    40      40    30      40    50
Rain shwrs                         S          C  C    S  S  C  C    C  C  C
Tstms                                         S

$$
MTZ328-071000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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                      33          71          41          73          40
Temp          52 54 46 40 36 34 44 61 69 71 60 51 45 42 51 68 73 71 60 51 44 40
Dewpt         32 32 34 34 32 30 34 37 35 34 36 35 35 33 36 37 33 33 35 35 32 31
RH            46 43 63 79 85 85 68 41 28 26 41 54 68 70 56 32 23 25 39 54 62 70
Wind dir      NE NE NE NE SW  S SW SW SW SW  S  S  S  S SW SW  W  W  S SW SW  S
Wind spd       8  6  5  3  4  4  4  5 10 12 10  9  8  6  5  9 13 12  5  4  4  3
Clouds        FW FW FW CL FW FW FW FW FW SC B1 FW FW FW SC SC SC SC FW FW FW FW
PoP 12hr                      0           5           0          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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    81      50    79      48    70      42    61
Temp          67 75 55   47 73 76 58   52 74 73 56   48 63 63 48   42 55 57
Dewpt         34 27 32   32 36 36 37   38 37 34 38   38 33 28 32   33 32 30
PWind dir        SW       S     S       S     S       S    SW      SW    SW
Wind char        LT      GN    GN      GN    BZ      BZ    BZ      BZ    GN
Avg clouds    FW FW SC   FW FW SC B2   B1 B1 B1 B1   SC SC B1 B1   B2 B1 B1
PoP 12hr          0       0     5      10    30      30    30      40    50
Rain shwrs                                    C  C    S  S  C  C    C  C  C

$$
MTZ305-071000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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                      36          78          47          79          39
Temp          62 62 52 45 40 37 49 67 75 76 64 57 52 48 59 73 78 75 60 52 45 40
Dewpt         26 28 33 34 33 33 36 40 40 40 42 41 40 38 39 39 32 27 28 29 28 28
RH            25 27 48 65 76 85 61 37 28 27 45 55 63 68 47 29 19 17 29 41 51 62
Wind dir      SE SE SE SE  E  E SE  S SW SW  S  S SW SW  W  W  W  W  W  W  E  E
Wind spd      13 13 11 10  8  6  9 10 13 13 10 10 10  9 16 21 23 19 12  8  5  5
Clouds        FW FW FW FW FW CL CL CL CL CL FW FW FW SC SC SC FW FW FW FW FW FW
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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      46    86      52    85      49    77      45    69
Temp          68 76 56   48 77 81 62   54 75 76 58   50 69 69 53   46 61 64
Dewpt         35 34 39   39 41 37 40   42 43 43 45   44 42 40 41   39 38 35
PWind dir        SE       S    SW      SE    SE      SW     W       W     W
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC SC B1   B2 B2 B1 B2   B1 B1 B1 B1   B1 B1 B1
PoP 12hr          0       5    10      20    40      50    40      50    40
Rain shwrs                         S    S  S  C  C    C  C  C  C    C  C  C
Tstms                                         S

$$
MTZ314-071000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
206 PM MDT Tue May 6 2025

Date           05/06/25      Wed 05/07/25            Thu 05/08/25            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          71          46          72          43
Temp          51 53 44 39 35 34 51 63 69 71 59 54 49 47 59 68 71 69 58 51 46 44
Dewpt         31 33 34 33 31 31 37 38 40 42 42 42 38 37 40 41 43 39 38 35 32 29
RH            46 46 68 79 85 89 59 39 35 35 53 64 66 68 49 37 36 33 47 54 58 55
Wind dir      SE SE SE SE SE SE  S SW SW SW  S  S  S SW  W NW NW NW  W SW SW  S
Wind spd      10 11  9  8  6  8 10 13 12 11 10 10  9  8  9 10 10 10  5  4  3  3
Wind gust                                                  20
Clouds        SC SC FW FW FW FW FW CL FW FW FW FW FW FW SC B1 B1 B1 B1 SC SC SC
PoP 12hr                      5           5           0          30          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  S  S
Tstms                                                             S  S


Date           05/09/25  Sat 05/10/25  Sun 05/11/25  Mon 05/12/25  Tue 05/13/25
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          74      49    81      54    81      50    75      44    64
Temp          68 72 55   52 76 78 60   57 76 73 57   54 67 67 51   46 58 57
Dewpt         36 38 41   40 38 40 41   39 41 43 44   41 40 39 38   36 34 36
PWind dir         S       S    SW       S     S       S     W       W    NW
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC FW SC   SC SC SC B1   B2 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2
PoP 12hr         10       5    10      20    50      50    40      50    60
Rain shwrs                         S    S     C  C    S  S  C  C    C  C  L
Tstms                                         S             S             S

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