Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
722 AM MDT Sat Apr 26 2025

MTZ312-262200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      68          42          60          34          58
Temp                49 60 66 64 54 50 46 43 50 57 59 56 47 42 37 34 37 43 53 56
Dewpt               35 31 30 37 45 44 42 39 39 39 40 37 33 33 31 29 32 29 32 31
RH                  58 33 26 37 71 80 86 86 66 51 49 49 58 70 79 82 82 57 44 38
Wind dir             S  E NE SE SW SW SW SW  W  N  N  N  N  N  N  N  N NW  W  S
Wind spd             3  3  5  8  5  5  5  5  8 13 19 21 24 27 25 14 11  8  5  6
Wind gust                                                  39 35
Clouds              SC B1 B1 B2 B2 SC SC B2 OV B2 B2 OV OV B2 B2 B2 B2 B1 SC FW
PoP 12hr                     30          40          50          70          30
QPF 12hr                   0.01        0.04        0.03        0.10        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                  L  L  L  L  C
Rain shwrs              S  S  C  S           S  C  C
Snow                                                           L  C  C
Tstms                      S  S


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            41    63      42    64      40    72      44    78
Temp          44   44 59 60 48   43 58 62 48   41 63 71 51   44 73 76
Dewpt         32   32 35 35 34   33 33 31 33   31 33 31 33   31 33 30
PWind dir           S    SW      SW     W       W    SW      SW    SW
Wind char          GN    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    SC   SC B1 B2 B1   B1 B1 B1 SC   FW FW FW FW   FW FW FW
PoP 12hr            0    30      20    30      10     0       0     5
Rain shwrs             S  C       S  C  C

$$
MTZ303-262200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      65          38          53          29          58
Temp                41 56 64 63 54 48 44 40 44 50 52 50 41 37 32 30 34 45 54 57
Dewpt               35 29 23 26 34 36 36 33 34 35 35 32 30 29 26 25 26 24 27 28
RH                  79 35 21 24 46 63 73 76 68 56 52 50 65 72 78 81 72 43 35 33
Wind dir            SE SE  S SW SW  W  W NW NW  N  N  N  N  N  N  N  N NW SW SW
Wind spd             3  5  6  6  5  5  6 11 26 26 26 25 24 25 21 12 10  6  8 11
Wind gust                                   36 36 36 35 35 35
Clouds              B1 SC B1 B2 B2 B2 B1 B1 OV B2 B2 B2 B2 B1 B2 B2 B1 SC SC SC
PoP 12hr                      5          20          30          30          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S
Rain shwrs                       S  S     S  C  C  C
Snow                                                     S  C  C


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            40    59      38    61      37    69      40    74
Temp          45   41 56 57 45   39 55 59 46   38 60 68 48   40 69 72
Dewpt         31   31 35 33 34   32 31 29 32   31 30 28 31   30 29 30
PWind dir          SW     W       W     W       W    SW      SW    SW
Wind char          GN    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    SC   B1 B2 B1 B1   SC B1 B1 SC   SC SC FW FW   FW FW FW
PoP 12hr            0    30      20    20       5     0       0     0
Rain shwrs             C  C  S    S  S  S

$$
MTZ319-262200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      68          42          61          36          59
Temp                44 57 63 63 54 49 46 42 48 58 60 56 48 45 41 36 39 45 55 58
Dewpt               36 31 31 34 40 41 38 37 39 41 42 39 38 37 33 32 31 31 31 31
RH                  73 37 30 34 59 74 73 82 71 53 51 53 68 73 73 85 73 58 40 36
Wind dir             N  E  E SE SW SW SW  W NW  N  N  N  N  N  N  N  N  N NW NW
Wind spd             2  4  6  5  4  3  2  2  2 11 18 18 12 13 12 10  6  5  5  6
Clouds              B2 B1 B2 B2 B1 B1 B1 B2 B2 B2 OV OV OV B2 B2 B2 B2 B1 SC SC
PoP 12hr                     70          40          80          90          30
QPF 12hr                   0.10        0.01        0.01        0.12           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  D  D  L  L  C  C
Rain shwrs              C  L  C  S           S  L  L
Tstms                   S  S  C                 S  S


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            41    63      40    65      39    72      43    77
Temp          47   41 57 60 49   41 55 63 49   39 60 71 53   43 67 76
Dewpt         33   33 37 35 34   34 33 31 32   31 32 29 32   31 35 32
PWind dir          SW    SW       W     W       W    SW      SW     S
Wind char          LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC   SC B2 B2 B1   SC B1 SC SC   FW FW FW FW   FW FW FW
PoP 12hr            5    30      20    30       5     0       0     5
Rain shwrs                C  S    S  C  C

$$
MTZ326-262200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      68          37          62          33          54
Temp                45 57 64 65 53 46 41 38 46 57 61 55 45 42 38 36 34 44 50 53
Dewpt               37 35 31 31 36 36 34 32 36 39 39 40 40 39 36 35 32 33 35 32
RH                  73 43 29 28 52 68 76 79 68 51 44 57 82 89 92 96 92 65 56 44
Wind dir             W NW SW SW SW  S  S  S  W NW NE  W  N  N NW NW NW NW  W  W
Wind spd             2  3  6 10  6  3  3  2  2  4  9 10  8  9 10  8  8  5  5  5
Clouds              OV B1 B1 B1 B1 SC B1 B1 B2 OV OV OV OV OV OV OV B2 B2 B1 SC
PoP 12hr                     20          10         100         100          60
QPF 12hr                      0           0        0.07        0.82        0.21
Snow 12hr                 00-00       00-00       00-00
Rain                                                        D  D  L  L
Rain shwrs                 S                    D  D  D  D              S  S
Tstms                      S                    S  S  S  S


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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    60      36    61      35    68      38    74
Temp          40   35 54 59 45   37 53 59 44   36 58 67 47   39 64 73
Dewpt         33   30 36 39 38   34 35 31 33   30 33 32 34   31 34 34
PWind dir           S    SW      SW     W       S    SW      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC B1 B2 B2   B1 B1 B1 SC   FW FW FW FW   FW FW FW
PoP 12hr            5    30      50    30       5     0       0     5
Rain shwrs                C  C    C  C  C

$$
MTZ330-262200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      60          26          57          28          52
Temp                39 55 59 57 44 34 29 26 37 54 56 47 37 33 30 28 33 45 50 49
Dewpt               32 25 20 24 28 28 24 23 25 31 32 33 33 30 29 28 28 30 29 29
RH                  76 31 22 28 53 78 81 88 61 41 40 58 85 89 96100 82 55 44 46
Wind dir             N SW  S SW SE SE  E  N  N SW SW SW SW  W  W NW  N  N  N  N
Wind spd             3 12 13 10  3  3  2  2  1  4  6  6  4  4  4  2  4  5  5  4
Wind gust                                                              16 16
Clouds              B1 SC B1 B1 B1 SC SC B1 B2 OV OV OV OV OV OV B2 B2 B2 B1 SC
PoP 12hr                      5           5          80         100          70
QPF 12hr                      0           0        0.09        0.41        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  L  L  D  D              C  C
Snow                                                        D  D  L  L
Snowshwrs                                                D
Tstms                                           S  S  S  S
Winter Storm                                          A  A  A  A  A  A


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            26    53      30    55      24    61      27    66
Temp          31   27 50 49 38   30 48 51 34   25 54 59 37   27 60 62
Dewpt         27   25 33 33 34   28 29 28 28   22 28 26 29   23 31 29
PWind dir           W    SW      SW    NW       N     S       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC B1 B2 B2   B2 B1 B1 SC   FW FW FW FW   FW FW FW
PoP 12hr            5    40      70    40      10     0       0    10
Rain shwrs                C  L    L  C  C
Snowshwrs                         L  C

$$
MTZ328-262200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      65          37          60          34          56
Temp                45 58 63 63 53 46 41 37 44 56 60 53 45 40 37 34 38 48 54 55
Dewpt               40 33 24 26 31 34 34 32 34 37 37 39 39 37 36 33 33 33 32 33
RH                  82 39 22 24 43 63 76 82 68 49 42 59 79 89 96 96 82 56 43 43
Wind dir            NW  W SW SW SE NW SW  S  W  N NE  N  N  N  N  N  N  N  N  N
Wind spd             4  9 17 14  8  5  3  3  3  6 11 13 17 21 20 12 12 10  8  6
Clouds              B2 B1 B2 B1 B2 B2 B1 B1 B2 OV OV OV OV OV B2 B2 B1 B1 SC B1
PoP 12hr                     30          10          90         100          30
QPF 12hr                   0.01           0        0.05        0.53        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                                                        D  D  C  C
Rain shwrs           S  S  S                    D  D  D  D
Snow                                                           D
Tstms                   S  S                    S  S  S  S


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            36    59      35    61      35    69      40    74
Temp          42   36 56 57 45   36 53 59 44   36 59 68 49   40 65 73
Dewpt         33   30 35 35 35   30 31 27 29   27 30 27 31   28 32 31
PWind dir           S    SW       W    NW      NW    SW       S    SW
Wind char          LT    GN      GN    GN      GN    LT      LT    GN
Avg clouds    SC   SC B1 B2 B1   B1 SC SC SC   FW FW FW FW   FW FW FW
PoP 12hr            0    20      30    10       0     0       0     5
Rain shwrs                S  C    S

$$
MTZ305-262200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      70          40          67          31          58
Temp                47 59 67 68 56 50 44 41 49 64 66 63 50 42 36 32 36 47 55 57
Dewpt               39 34 28 31 38 40 40 39 42 44 42 39 35 33 30 27 29 28 25 25
RH                  74 39 23 25 51 68 86 92 77 48 42 41 56 70 79 81 75 47 31 29
Wind dir             E  E NE  E  E SW SW SW  W  N  N  N  N  N  N  N  N  N NW  W
Wind spd             8  5  5  5  4  4  4  4  6  9 14 18 16 17 14 11 10 10  8  6
Clouds              FW SC SC B1 B1 B1 SC B1 B2 OV B2 B2 B2 B1 B1 B1 B1 SC FW FW
PoP 12hr                      5          20          30          30          10
QPF 12hr                      0           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S  C  C
Rain shwrs                    S  S              C  C


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            38    67      38    66      37    71      40    78
Temp          43   39 61 62 48   39 58 63 46   38 62 70 50   41 70 76
Dewpt         29   29 39 38 38   34 36 31 33   31 34 31 33   31 35 30
PWind dir           S    SW       W     W       W    SW       S    SW
Wind char          GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC B1 B2 B2   B1 SC B1 SC   SC SC FW FW   FW FW FW
PoP 12hr            0    20      30    30      10     0       0     0
Rain shwrs                S  C    C  S  C

$$
MTZ314-262200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
722 AM MDT Sat Apr 26 2025

Date             Sat 04/26/25            Sun 04/27/25            Mon 04/28/25
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                      67          40          62          32          50
Temp                45 59 66 61 51 46 42 41 50 61 61 55 48 44 39 34 33 40 46 49
Dewpt               35 36 36 42 43 41 39 37 40 42 42 42 40 38 35 32 31 30 32 31
RH                  68 42 33 49 74 83 89 85 68 49 49 61 74 79 85 92 92 67 58 50
Wind dir            NE  N  W NE SW  S  S SW  W  N  N NE  N  N  N NW NW NW NW NW
Wind spd             5  5  5  8  5  4  4  3  4  9 10 11 11 13 16 13 14 13 10  6
Clouds              B1 B1 B1 B2 B1 SC B1 OV B1 B2 OV OV OV OV OV OV B2 B2 B1 SC
PoP 12hr                     30          30          80          90          50
QPF 12hr                   0.03           0        0.16        0.48        0.10
Snow 12hr                 00-00       00-00       00-00
Rain                                                        D  D  C  C
Rain shwrs              S  C  C  S              L  L  D  D              S  S
Snow                                                           D  C  C
Tstms                      S  C                 C  C  S  S


Date               Tue 04/29/25  Wed 04/30/25  Thu 05/01/25  Fri 05/02/25
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            37    60      39    59      38    66      43    74
Temp          39   40 58 57 46   40 53 57 44   39 59 65 47   44 69 71
Dewpt         30   31 36 37 36   32 34 34 34   31 33 33 33   30 33 34
PWind dir          SW     W       W    NW      SW     W       S    SW
Wind char          LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC   SC B1 B2 B2   B1 B1 B1 SC   SC SC FW FW   FW FW FW
PoP 12hr            5    20      30    40      10     5       0     5
Rain shwrs                S  C    C  C  C

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