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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
217 PM MDT Mon May 27 2024

MTZ312-281000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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          82          53          66          42
Temp          69 71 61 53 48 46 59 74 80 81 66 61 56 54 58 64 64 61 53 48 45 43
Dewpt         34 33 37 37 35 35 39 42 40 41 44 46 45 46 45 41 36 28 27 25 26 25
RH            27 25 41 54 60 65 47 32 24 24 45 58 66 74 62 43 35 28 36 40 47 49
Wind dir       W  W  E  S  S  S  S  S  S  S  S  S SW SW  W  W  W  W  W  W SW SW
Wind spd       9  6  5  5  5  5  8 10 10 11 16 11 10 10 13 17 19 18 19 19 19 20
Wind gust                                   27 21                28
Clouds        FW CL SC FW SC SC CL CL FW B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC
PoP 12hr                      0           5          40          50          10
QPF 12hr                      0           0        0.02        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  C  C  C  C              S
Tstms                                     S     S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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    66      40    73      48    76      53    77
Temp          57 60 46   41 60 65 47   41 65 73 55   49 70 75 60   54 72 74
Dewpt         26 24 26   25 28 29 32   30 32 33 37   35 36 38 41   40 42 40
PWind dir         W       W     W       W    SW      SW    SW      SW    SW
Wind char        WY      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1 SC   FW FW SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         30       5     5       5     0       5     5       5    10
Rain shwrs     S  C

$$
MTZ303-281000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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          78          49          61          39
Temp          67 68 59 51 45 43 57 72 76 76 63 56 53 50 53 58 59 57 49 44 41 39
Dewpt         34 34 37 37 35 35 37 40 40 42 48 46 44 41 37 32 27 24 25 26 26 26
RH            29 28 44 59 68 73 47 31 27 30 58 69 71 71 54 37 29 28 39 49 55 59
Wind dir       W  W  W SW SW  S SE SE SE SE  S  W  W  W  W  W  W  W  W  W  W  W
Wind spd      14 13  6  5  5  5  8 14 18 14 12 13 16 20 26 29 32 29 27 24 23 20
Wind gust                                            31 39 43 48 43 39 34 33
Clouds        SC SC SC FW B1 B1 FW FW B1 B1 B2 B2 B2 OV B1 B1 SC FW SC SC SC B1
PoP 12hr                      0          20          50          20          10
QPF 12hr                      0        0.01        0.18           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  S  S                    C
Tstms                                     C     S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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          60      38    64      38    70      45    72      50    71
Temp          54 58 45   39 58 63 46   39 64 69 53   46 69 70 56   51 68 68
Dewpt         27 26 28   27 26 28 31   31 31 32 35   35 37 37 38   39 40 41
PWind dir         W       W     W       W     W       W     W      SW    SW
Wind char        WY      BZ    BZ      GN    GN      GN    GN      BZ    BZ
Avg clouds    B1 B1 SC   SC FW SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         30       5     5       5     0       5     5       5    10
Rain shwrs     C  C

$$
MTZ319-281000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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                      48          84          53          65          42
Temp          73 74 66 57 52 48 57 73 82 79 68 62 57 54 56 62 63 60 55 49 45 43
Dewpt         35 33 35 35 35 35 38 39 38 40 45 46 45 44 43 41 35 29 26 26 26 25
RH            25 22 32 43 52 60 49 29 21 25 43 56 64 69 62 46 35 31 32 40 47 49
Wind dir       W NW  W  W  S  W  E  E SE  S  S SE SW  W  W  W  W  W  W  W  W  W
Wind spd      12 10  4  3  2  3  3  8 11 12  9  6  6  8 10 14 16 18 17 13 12 11
Wind gust                                23             20 25 28 31 28 24 23 21
Clouds        SC SC FW SC B1 SC FW FW SC B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC
PoP 12hr                      0          20          50          60          20
QPF 12hr                      0        0.01        0.05        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  L  L  L  L  S  S
Tstms                                     C  S  S  S        S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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          63      41    70      43    76      50    78      53    78
Temp          56 61 48   41 60 68 51   43 67 73 58   51 71 76 61   54 71 74
Dewpt         25 23 25   26 27 29 31   29 34 34 36   36 39 37 40   39 44 42
PWind dir         W       W     W       W    SW      SW     W       W     W
Wind char        BZ      GN    GN      LT    LT      LT    LT      GN    LT
Avg clouds    SC SC FW   FW FW SC SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         20       0     5       0     0       5    10       5    20
Rain shwrs        S                                                       S
Tstms                                                                     S

$$
MTZ326-281000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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          81          47          64          35
Temp          67 70 59 51 45 42 55 71 79 78 64 56 51 48 56 61 59 55 51 44 39 36
Dewpt         36 37 37 37 35 34 38 41 40 42 45 46 43 43 47 48 48 44 41 37 33 30
RH            32 30 44 59 68 73 53 34 25 28 50 69 74 83 72 62 67 66 68 76 79 79
Wind dir       W NW  E  S  S  S  N NE SE SE NE SE  S  S NW NW NW  N NW NW  W SW
Wind spd       5  5  5  5  5  5  2  1  4 10  8  6  5  4  5  6  8  6  6  6  6  6
Wind gust     16
Clouds        FW SC SC SC SC FW CL FW FW B1 B1 B1 B1 B1 B1 OV OV B2 B2 B1 B1 B1
PoP 12hr                      0           5          40          90          60
QPF 12hr                      0           0        0.06        0.38        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  S  S  C  C  D  D  L  L  C  C  S
Tstms                                     S     S  S        C  C  C  C  S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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      34    66      37    72      44    76      48    77
Temp          52 58 43   35 56 65 46   37 62 71 53   45 68 74 57   48 69 75
Dewpt         28 28 29   26 31 34 33   30 36 38 38   35 41 44 43   40 44 47
PWind dir         W      SW     W      SE     W      SE    SW       S    SW
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   SC SC SC SC   SC SC SC B1   SC B1 B1 B1   B1 SC B1
PoP 12hr         20       5     5       5     5       5    10       5    10
Rain shwrs     S  S

$$
MTZ330-281000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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                      34          71          41          62          31
Temp          61 63 52 42 36 34 48 66 70 69 58 49 44 42 53 60 59 54 46 39 34 31
Dewpt         28 28 33 32 31 30 32 32 30 30 37 39 38 37 40 42 41 36 36 31 30 27
RH            28 26 48 67 82 85 54 28 22 23 45 68 79 82 61 51 51 50 68 73 85 85
Wind dir      SW SW  S SE NE SE  E  S SW  S SW SE  S SE  S SW SW SW SW SW  W  W
Wind spd       9  9  5  3  2  2  1  6 10 10  5  3  3  3  6 12 13 11  8  4  3  3
Wind gust                                   16             25 27 26 18
Clouds        B1 SC FW FW SC SC FW FW FW B1 B1 B2 B1 B1 B1 OV OV B1 B1 B1 SC SC
PoP 12hr                      0           5          40          90          50
QPF 12hr                      0           0        0.01        0.17        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  C  C  D  D  C  C  S  S
Snowshwrs                                                                  S  S
Tstms                                     S                 C  C  C  C  S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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      28    59      31    65      36    68      41    67
Temp          47 53 37   28 54 57 39   31 58 64 43   36 64 66 48   41 64 65
Dewpt         21 21 26   22 25 26 29   26 28 30 31   30 33 31 35   34 37 36
PWind dir         W      SW    SW       S     S       S    SW      SW    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   SC FW SC SC   SC SC SC SC   SC SC B1 B1   B1 SC SC
PoP 12hr         20       5     5       5     5       5    10       5    10
Snowshwrs      S

$$
MTZ328-281000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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          78          46          65          34
Temp          68 71 60 51 45 42 54 72 78 72 61 54 49 46 53 62 63 60 50 43 37 34
Dewpt         31 30 32 34 32 32 34 36 33 38 43 44 43 42 45 44 38 33 31 29 28 26
RH            25 22 35 52 60 67 46 27 19 29 51 69 80 86 74 52 39 36 48 57 70 72
Wind dir       W  N NE  E  S  S  W  S  S SW  S  S  S  S  W  W  W  W NW  W  W SW
Wind spd       5  5  6  5  5  5  5  8 12 14 10  6  5  5  8 11 14 13 14 11 10  8
Wind gust                                                        24
Clouds        FW SC SC B1 SC FW FW FW SC B1 B1 B1 B2 B2 B2 OV OV B1 B1 SC SC SC
PoP 12hr                      0          20          50          80          30
QPF 12hr                      0        0.01        0.06        0.12           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  D  D  D  D  C  C  S  S
Snowshwrs                                                                  S
Tstms                                     C  S  S  S  S  S  C  C  S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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          60      34    65      37    72      44    75      48    76
Temp          52 58 41   34 56 64 45   37 62 71 52   44 69 73 55   48 71 74
Dewpt         22 20 25   26 27 26 29   28 31 28 35   33 36 35 38   37 40 38
PWind dir         W       W    SW      NW    SW      SW    SW      SW    SW
Wind char        GN      GN    LT      GN    LT      LT    GN      GN    GN
Avg clouds    FW SC SC   SC FW SC SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         10       0     5       0     0       5     5       5    10

$$
MTZ305-281000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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          83          54          70          42
Temp          70 71 62 53 48 44 59 75 81 81 71 64 60 55 60 66 68 66 58 51 47 43
Dewpt         37 36 39 38 36 36 40 42 43 44 46 46 45 46 47 44 39 35 33 32 30 31
RH            30 28 43 57 63 73 49 31 26 27 41 52 58 72 62 45 34 32 39 48 51 62
Wind dir      NW NW  E SE SE  E  E SE SE SE SE SE SE SW  W  W  W  W  W  W  W  W
Wind spd      12 10  5  5  5  5  6 12 14 16 14 16 11 10 17 19 19 18 19 19 19 18
Wind gust                                   25                32 28    29
Clouds        FW FW FW SC SC SC FW CL FW SC SC B2 B2 B2 B1 B1 B1 B2 B1 SC SC B1
PoP 12hr                      0           0          30          50          20
QPF 12hr                      0           0        0.01        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  C  C  C  C  S  S        C
Tstms                                     S     S  S


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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      42    68      43    75      48    79      52    78
Temp          54 60 48   42 62 65 49   43 67 74 55   49 73 76 60   52 74 75
Dewpt         35 34 34   33 36 33 37   35 38 37 40   38 43 42 44   44 47 45
PWind dir         W       W     W       W    SW      SW    SW      SW     W
Wind char        BZ      BZ    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2 SC   SC FW SC SC   SC SC SC SC   B1 SC SC B1   B1 SC SC
PoP 12hr         60      10    10       5     0       0     5       5    10
Rain shwrs     C  L
Tstms             S

$$
MTZ314-281000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
217 PM MDT Mon May 27 2024

Date           05/27/24      Tue 05/28/24            Wed 05/29/24            Thu
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          76          51          65          37
Temp          63 65 55 48 43 42 58 71 75 74 64 59 54 51 59 63 59 54 49 44 40 38
Dewpt         35 36 37 36 33 32 37 41 41 43 43 42 41 43 46 46 48 43 39 32 28 26
RH            35 34 51 63 67 67 45 34 29 33 46 53 61 74 62 54 67 66 68 62 62 62
Wind dir       W NW  E SE SE SE SE  S  S SE SE SE  S  W NW NW NW NW  W  W  W  W
Wind spd      12  9  4  5  6  6  6 11 12 13 11 10  8  8 12 13 13 11 12 12 13 13
Wind gust                                                  24 24
Clouds        CL CL FW CL FW FW FW CL FW SC SC B2 B2 B1 B2 OV OV B2 B2 B1 SC SC
PoP 12hr                      0           0          20          90          60
QPF 12hr                      0           0           0        0.60        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S  C  C  D  D  L  L  S  S
Tstms                                     S                 C  C  C  C


Date           05/30/24  Fri 05/31/24  Sat 06/01/24  Sun 06/02/24  Mon 06/03/24
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          57      37    62      38    70      45    73      48    75
Temp          52 55 43   38 56 61 44   39 63 69 50   46 70 71 55   49 71 72
Dewpt         28 28 28   26 29 32 32   28 33 37 36   35 39 42 41   39 45 46
PWind dir         W       W     W       W    SW      SW     W      SW     W
Wind char        BZ      GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC B1 B1   SC SC SC
PoP 12hr         30       5    10       5     0       5    10      10    10
Rain shwrs        C
Tstms             S

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