Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
508 PM MDT Thu May 23 2024

MTZ312-241000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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          63          40          65          42
Temp             53 47 43 41 40 47 56 59 62 53 46 42 41 50 60 64 59 52 47 44 42
Dewpt            34 36 36 34 33 34 35 35 37 38 37 36 34 37 39 40 41 41 38 35 33
RH               48 65 76 76 76 60 45 40 39 57 71 79 76 61 46 41 51 66 71 70 70
Wind dir         SW SW SW SW SW SW  W  W  W  E  S SW SW SW  W  W  W  W  W  W SW
Wind spd          5  8 11 11 11 14 14 13  9  5  5  5  5  5  6  8 10 10 12 13 14
Clouds           SC B1 B1 B1 B1 SC B1 B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1
PoP 12hr                     30          30           5          60          50
QPF 12hr                   0.02        0.03           0        0.06        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  S  S  S     S  C              S  S  L  L  C  C  C  C  S
Tstms                               S  S                    S  S  C  C  S  S


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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      42    73      45    80      50    76      47    69
Temp          55 63 48   43 64 72 53   46 72 79 57   51 71 72 55   48 63 67
Dewpt         36 35 34   32 37 37 39   36 42 43 45   42 43 39 39   36 33 33
PWind dir        SW      SW    SW      SW    SW       S    SW       W    SW
Wind char        BZ      GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    B1 SC FW   FW FW FW FW   FW FW FW SC   SC SC B1 SC   SC SC SC
PoP 12hr         20       0     0       0    10      20    30      20    20
Rain shwrs     S                                 S    S     C  S          S
Tstms                                            S

$$
MTZ303-241000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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          60          37          62          40
Temp             51 44 43 41 40 46 54 58 58 50 44 39 38 48 58 61 59 51 45 43 40
Dewpt            35 38 39 38 38 40 40 39 39 38 37 35 34 36 37 37 38 36 35 33 32
RH               54 79 86 89 92 79 59 49 49 63 76 85 85 63 45 41 45 56 68 67 73
Wind dir         SW NW  W  W  W  W  W NW NW  W SW  W  W  W  W  W  W  W  W  W  W
Wind spd          8  9  9  9  6 10 13 14 12  6  5  5  5  8 11 13 17 16 14 16 17
Clouds           B2 OV B2 B2 B2 B1 B1 B2 SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          50           5          40          20
QPF 12hr                   0.17        0.06        0.01        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  C  C  S  S  C  C                    C  C  S  S
Tstms             C     S           C  C                          S  S
Obvis                        PF


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          62      40    70      42    78      47    71      44    64
Temp          57 61 45   40 63 69 50   43 70 75 56   48 67 67 50   44 60 63
Dewpt         34 33 32   32 36 35 37   36 39 40 42   38 38 35 32   32 29 30
PWind dir         W       W     W      SW    SW      SW     W       W     W
Wind char        BZ      BZ    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    SC SC FW   FW FW FW FW   SC SC SC SC   B1 SC SC SC   SC SC SC
PoP 12hr          5       0     0       0     5      10    20      10    20
Rain shwrs                                                  S          S  S

$$
MTZ319-241000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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          65          42          64          42
Temp             54 49 43 40 37 44 55 62 65 56 48 44 42 49 59 62 58 53 48 44 43
Dewpt            30 38 37 36 35 36 35 36 36 36 36 33 33 37 40 42 39 35 35 32 31
RH               40 66 79 85 92 73 47 38 34 47 63 65 70 63 49 48 49 50 60 62 62
Wind dir         SW SW  S  S SW NE  W  W  W SW SW SW SW  S  W  W  W  W  W  W  W
Wind spd          8  9  8  6  5  4  5  9  9  4  3  2  2  2  4  8 11 11 10 10  9
Clouds           SC SC SC SC SC B1 SC SC SC SC B1 B1 B2 B1 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                     10          20          10          70          50
QPF 12hr                      0           0           0        0.09        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  L  L  C  C  C  C
Tstms                                                       C  C  S  S
Obvis                        PF


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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      43    76      48    81      52    76      47    72
Temp          54 63 50   44 65 74 56   48 73 76 60   53 70 71 56   48 65 69
Dewpt         34 33 33   32 37 37 38   36 44 42 42   40 42 38 37   34 36 33
PWind dir         W       W     W       W    SE      SW     W       W     W
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 SC FW   FW FW FW FW   FW FW FW SC   SC B1 B1 SC   SC SC SC
PoP 12hr         10       0     0       0    10      20    30      20    30
Rain shwrs                                       S          C  S          C
Tstms                                            S          S

$$
MTZ326-241000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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                      26          62          36          62          36
Temp             40 35 31 28 27 37 51 59 62 51 45 39 37 45 56 60 56 49 44 40 37
Dewpt            34 31 29 27 27 30 36 37 39 38 37 35 33 36 41 42 43 41 38 36 33
RH               79 85 92 96100 75 56 44 43 61 73 85 85 70 57 51 62 74 79 85 85
Wind dir         NW  S SE SE SE  N  W  W NW SE  E SE SE  S  W SW SW  W  W  W  W
Wind spd          5  6  6  6  5  3  5  6  6  4  4  3  2  2  2  4  5  5  5  5  5
Clouds           SC FW FW FW FW FW FW SC B1 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5          20          10          70          70
QPF 12hr                      0           0           0        0.13        0.28
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  L  L  L  L  C  C  S
Tstms                                                       C  C  C  C
Obvis               PF PF PF  F


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          62      36    71      41    77      46    75      43    70
Temp          51 61 45   37 61 70 50   42 68 76 55   47 69 69 52   44 62 69
Dewpt         35 35 34   31 37 38 38   35 43 43 43   41 46 42 40   38 39 40
PWind dir         W      SW    SW      SE    SW      SE    SW       W     W
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 SC   FW FW FW FW   FW FW FW SC   SC SC B1 B1   SC SC B1
PoP 12hr         20       0     0       0    10      20    40      20    30
Rain shwrs     S                                 S          C  S          C
Tstms                                            S          S             S

$$
MTZ330-241000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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                      23          54          30          52          29
Temp             37 30 25 24 24 34 46 52 52 43 36 32 30 40 49 51 49 42 36 33 29
Dewpt            34 27 25 24 24 27 30 30 27 29 29 29 27 30 33 34 33 32 31 30 26
RH               89 88100100100 75 53 43 38 57 75 88 88 67 54 52 54 67 82 89 88
Wind dir         NW SW  S SE SE SW SW SW SW  S SE SE SE  S SW SW SW SW SW SW SW
Wind spd          5  3  2  2  2  3  8  9  6  3  2  2  2  2  6  9  9  5  4  2  2
Wind gust                             19 19                   19 20 16
Clouds           B1 FW FW SC B1 B1 SC SC B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     10          10          10          80          80
QPF 12hr                      0           0           0        0.10        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  D  D  D  D  C  C
Snowshwrs                                                               C  C  S
Tstms                                                       C  C  C  C
Obvis                F  F  F  F


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          54      29    63      32    69      37    68      35    66
Temp          46 54 36   29 56 62 41   33 65 67 46   38 65 65 44   36 61 64
Dewpt         26 28 29   26 30 30 33   30 34 33 37   34 35 32 35   33 33 31
PWind dir         W      SW    SW       S     S       S     S      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC   FW FW FW FW   FW FW FW SC   SC SC B1 SC   SC SC SC
PoP 12hr         20       0     0       0    10      10    30      20    20
Rain shwrs     S                                            C  S          S
Snowshwrs      S
Tstms                                                       S             S

$$
MTZ328-241000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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          36          58          34
Temp             41 35 31 29 27 38 52 59 59 50 44 38 37 44 55 57 55 46 40 36 34
Dewpt            32 32 29 28 26 31 34 30 32 35 36 33 33 34 36 36 38 36 33 30 28
RH               70 89 92 96 96 76 50 33 36 56 73 82 85 68 49 45 53 68 76 79 78
Wind dir          S  S  S  S  S SW SW SW  S SE SE  S  S SW SW SW  W NW  W  W SW
Wind spd          5  6  8  8  6  6  8 10 10  6  4  4  5  5  6 10 10 10  9  8  6
Clouds           B1 SC FW FW FW FW FW SC B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1
PoP 12hr                     10          10          20          70          50
QPF 12hr                      0           0        0.03        0.07        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S        S  S  L  L  C  C  C  C
Tstms                                     S  S              C  C  C  C
Obvis               PF       PF


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          62      37    71      42    77      46    74      44    71
Temp          51 61 43   37 61 70 50   42 69 72 53   46 69 70 50   44 63 70
Dewpt         29 29 31   30 34 33 35   34 40 36 41   39 40 35 36   35 34 31
PWind dir         W      SW    SW      SW    SW       S    SW       W    SW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 SC FW   FW FW FW FW   FW FW SC SC   SC SC B1 SC   SC SC SC
PoP 12hr          5       0     0       0    10      10    20      10    20
Rain shwrs                                                  S             S
Tstms                                                       S

$$
MTZ305-241000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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                      42          63          39          69          44
Temp             57 51 47 44 43 48 56 60 62 53 46 42 40 50 63 67 65 57 51 48 45
Dewpt            38 42 43 41 42 42 43 43 45 44 42 39 38 41 43 43 43 44 44 41 40
RH               49 71 86 89 96 80 62 53 54 71 86 89 92 71 48 42 45 62 77 77 82
Wind dir         NW SW  S SW SW  W SW  W  W SW SE SE  E  S SW  W  N  E SW  W  W
Wind spd          6  8  8  8  5  8 10 10  8  3  3  3  3  4  6  8  9  8  9  9 10
Clouds           B1 B1 B2 OV B2 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B2 B1 B1
PoP 12hr                     60          60          10          50          40
QPF 12hr                   0.05        0.04           0        0.01        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  S     S  C                    C  C  C  C  S  S
Tstms             S     S           S  S                    S  S  S  S
Obvis                        PF


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          68      44    74      46    82      52    76      48    70
Temp          61 67 52   44 66 72 54   47 74 78 60   52 72 72 56   48 65 67
Dewpt         41 41 40   36 40 41 43   39 45 44 47   43 45 41 43   39 40 38
PWind dir         W       W     W      SW     S       S     W       W     W
Wind char        GN      GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    B1 B1 SC   FW FW FW FW   FW FW FW SC   SC SC SC B1   SC SC SC
PoP 12hr         30       5     0       0     5      20    20      30    30
Rain shwrs        C                              S    S     S  C    S     C
Tstms             S                              S

$$
MTZ314-241000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
508 PM MDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            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                      33          60          37          62          39
Temp             48 43 36 36 37 48 55 58 58 48 42 40 38 49 59 61 57 49 45 41 40
Dewpt            35 35 32 31 32 35 36 37 37 38 36 34 32 35 39 41 41 43 41 37 35
RH               60 73 85 82 82 60 49 45 45 68 79 79 79 58 47 48 55 80 86 85 82
Wind dir         NW  W  S SW SW  W  W  W NW  N  S  S  S  S  S SE  E  W  W  W  W
Wind spd         10  9  6  8  6  8 10 10  8  4  5  4  4  3  4  5  5  5  6  9 10
Clouds           B1 SC SC B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     10          40          10          80          70
QPF 12hr                      0        0.04           0        0.17        0.19
Snow 12hr                 00-00       00-00       00-00
Rain
Rain shwrs                          S  C                    D  D  L  L  C  C  C
Tstms                               S  C                    C  C  C  C  S  S


Date           05/26/24  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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      39    68      43    76      48    73      46    66
Temp          51 59 45   40 62 67 48   44 72 74 56   49 70 68 52   46 62 64
Dewpt         36 38 34   31 37 38 38   35 42 43 44   40 45 43 41   37 38 37
PWind dir         W       W     W       S     S       S     W       W     W
Wind char        GN      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B1 FW   FW FW FW FW   FW FW FW SC   SC SC B1 B1   SC SC B1
PoP 12hr         30       5     0       0    10      20    40      40    30
Rain shwrs     C  C                              S    S     C  C    S  S  C
Tstms                                            S          S

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