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Point Forecast Matrices
National Weather Service Great Falls MT
250 PM MDT Mon Apr 24 2017

MTZ012-251100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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                      35          49          33          54          36
Temp          54 54 46 40 37 35 38 44 48 47 40 36 34 34 43 50 54 53 45 42 39 36
Dewpt         31 34 36 36 36 34 37 38 34 36 34 33 31 30 34 35 35 35 37 37 35 32
RH            41 46 68 85 96 96 96 79 58 65 79 89 89 85 70 56 48 50 73 82 85 85
Wind dir      NW  N  N  N  N NW  W  N NE  W SW SW SW  S SW SW SW SW SW  W  W  W
Wind spd       6  8  8  8  8  6  6  5  5  6  6  6  8  8  9 11 11 12 12 16 16 16
Clouds        B2 B2 OV OV OV OV OV OV B2 OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
PoP 12hr                     60          70          40          50          60
QPF 12hr                   0.15        0.13        0.03        0.04        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  L  L  L  L  L  L  C  C  C  C        C  C  C  L  L  C  C  C
Snowshwrs                     L                 C  C  C                 C  C  C
Tstms          S  S                    S


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          48      31    46      30    54      34    56      36    55
Temp          46 46 34   32 40 46 34   31 49 53 39   35 52 55 42   36 50 54
Dewpt         29 30 30   29 34 33 30   27 31 29 31   29 30 30 34   31 33 29
PWind dir         W       W     N      NW    SW      SW    SW       W     W
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV   B2 OV B2 B2   B1 SC SC SC   SC B1 B2 B2   B2 B2 B2
PoP 12hr         60      60    60      10    10       5    30      40    40
Rain shwrs     C  L  C       L  L                        S  C  C    C  C  C
Snowshwrs      C     C    L  L                           S          C  C

$$
MTZ010-251100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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                      35          47          32          51          35
Temp          50 50 41 38 36 35 36 42 45 47 39 37 33 32 40 48 51 50 43 39 37 35
Dewpt         34 36 35 35 34 35 34 36 34 34 32 33 30 32 36 36 35 33 33 33 33 33
RH            54 58 79 89 92100 92 79 65 60 76 85 89100 85 63 54 52 67 79 85 92
Wind dir       N  N  N  N  N  N  E  N  E  N  N  S  S  S  S  S SW SW SW  W  W  W
Wind spd      11 10 10  9  9  6  8  6  8  9  6  8  6  6  8 10 11 13 13 13 13 17
Clouds        OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
PoP 12hr                     50          70          50          50          60
QPF 12hr                   0.17        0.09        0.08        0.04        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  C  C  C  L  L  C  C  C        C  C  C  L  L  C  C  L
Snowshwrs                  C  C  C                 C  C                 C  C  L


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          46      31    47      30    53      34    54      36    53
Temp          43 44 34   31 40 47 36   30 47 52 38   35 49 53 40   37 48 53
Dewpt         34 31 32   30 33 28 30   29 32 29 31   31 32 29 32   33 35 28
PWind dir        NW      NW     N      NW    SW       W     W       W    NW
Wind char        BZ      GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    B2 OV OV   OV OV B2 B2   B1 SC B1 SC   SC B1 B2 B2   B2 B2 B2
PoP 12hr         80      60    50      20    20      10    30      30    40
Rain shwrs     L  D  L       C  C  S          S          S  C  C    S  C  C
Snowshwrs      L     L    L  C                           S          S

$$
MTZ014-251100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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                      37          55          36          56          37
Temp          54 53 47 43 40 37 40 47 53 54 45 41 38 36 43 53 56 53 47 42 40 37
Dewpt         32 34 37 37 36 34 34 34 30 31 32 32 31 31 34 32 31 31 35 33 33 31
RH            43 48 68 79 85 89 79 60 41 41 60 70 76 82 70 44 38 43 63 70 76 79
Wind dir       N  N  W  W  W NW NW NW NW NW  W  W SW  S  S  S SW SW SW  W  W  W
Wind spd       5  6  6  8  5  5  6  9 10 10  6  3  3  3  3  8  9 11 11 16 16 18
Clouds        B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B2 B2 OV OV B2 B2 B2 B2 B2
PoP 12hr                     80          60          30          40          60
QPF 12hr                   0.23        0.13        0.01        0.05        0.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  L  D  L  L  L  C  C  C  C  C  C  C  C  C  C  L  L  C  C  C
Snowshwrs                                             C
Tstms                                  C


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          50      33    49      33    55      35    57      37    56
Temp          47 49 39   33 47 48 39   33 50 54 40   36 52 56 43   37 52 55
Dewpt         27 24 27   27 29 27 30   28 29 26 30   29 29 29 32   31 30 29
PWind dir         W       W    NW       N     W       W    SW       W     W
Wind char        BZ      GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B2 B2 B2   B1 B1 SC B1   SC B1 B2 B2   B2 B1 B2
PoP 12hr         60      40    60      10    10       5    40      40    40
Rain shwrs     C  L  C    C  L  L                        C  C  C    C  C  C
Snowshwrs                 C  L                           C

$$
MTZ055-251100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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                      35          51          32          54          34
Temp          50 49 44 39 37 35 37 44 49 50 42 38 34 32 41 52 54 51 43 40 38 34
Dewpt         36 38 39 38 35 35 34 34 33 34 36 34 31 30 34 33 34 37 39 37 35 32
RH            58 66 82 96 92100 89 68 54 54 79 85 89 92 76 48 46 59 86 89 89 92
Wind dir      SW  W  W  W  W NW NW NW NW NW  W  S  S  S SE SW SW SW SW  W  W  W
Wind spd       4  5  4  4  4  4  4  5  6  6  5  4  4  4  3  6  9 11 11  9  9  8
Clouds        B2 OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B2 B2 OV OV OV OV OV OV OV
PoP 12hr                     90          90          50          50          80
QPF 12hr                   0.30        0.21        0.04        0.07        0.20
Snow 12hr                     T       00-00           T
Rain shwrs     C  L  L  L  D  D  D  L  C  C  C  C        C  C  C  D  D  D  D  L
Snowshwrs                     D                    C  C                 D  D  L
Tstms                                  C  S


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          46      29    46      30    52      30    55      34    54
Temp          43 45 35   29 44 45 35   31 47 51 37   31 51 54 41   34 50 53
Dewpt         28 30 29   26 27 31 30   27 28 29 29   26 29 32 35   31 32 31
PWind dir         W       W     W       N    NE      SW    SW       W     W
Wind char        GN      GN    LT      GN    LT      GN    LT      GN    LT
Avg clouds    OV B2 B2   B2 B2 B2 OV   B2 B1 B1 SC   SC B1 B2 B2   B2 B2 B2
PoP 12hr         70      50    70      30    10      10    40      50    50
Rain shwrs     L  L  C    C  L  L  C    S                C  C  C    C  C  C
Snowshwrs      L          C  L          S                C          C  C

$$
MTZ055-251100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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                      29          42          25          42          26
Temp          35 37 33 32 30 29 33 38 41 41 33 29 26 26 32 39 42 41 35 32 30 26
Dewpt         33 34 32 31 29 29 31 28 28 29 29 27 25 25 30 29 31 34 32 32 29 26
RH            92 89 96 96 96100 92 67 59 62 85 92 96 96 92 67 65 76 89100 96100
Wind dir       W SW SW SW SW  W  N  N NW NW  W  W SW  S SW SW SW SW SW SW SW  W
Wind spd       4  4  4  4  3  4  5  8  8  5  3  3  3  3  5 11 13 10 10  6  6  5
Clouds        OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV
PoP 12hr                     90          60          30          80          80
QPF 12hr                   0.17        0.05        0.02        0.14        0.21
Snow 12hr                     2           T           T
Rain shwrs     D  D                 C  C  C                 D  D  D  D
Snowshwrs      D     D  D  L  L  C           C  C  C  L  L        D  D  D  D  L
Tstms          S                       S  S
Winter Weath   Y  Y  Y  Y  Y  Y  Y


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          36      22    37      23    42      22    43      26    43
Temp          34 33 28   22 35 36 28   23 37 41 28   23 39 42 32   26 40 42
Dewpt         22 24 26   20 22 25 25   22 21 20 24   20 22 26 29   24 24 27
PWind dir         W      NW     N       N    NE       W    SW      SW     W
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV OV OV   B2 B2 B2 B2   B2 B1 B1 B1   SC B1 B2 B2   B2 B2 B1
PoP 12hr         70      60    50      20    20      10    30      40    30
Rain shwrs        L             C  S       S  S          C  C  C       C  S
Snowshwrs      L  L  C    L  C  C  S    S  S             C     C    C  C

$$
MTZ008-251100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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          52          33          52          33
Temp          48 47 41 38 35 34 38 47 51 51 43 38 34 33 42 51 51 49 42 39 34 33
Dewpt         31 34 34 35 32 32 32 27 26 27 30 29 29 28 32 27 27 32 34 34 29 28
RH            51 60 76 89 89 92 79 45 37 39 60 70 82 82 67 39 39 52 73 82 82 82
Wind dir       W NW NW SW  W SW NW  N NW NW NW SW  S  S  S SW SW  W  W  W  W  W
Wind spd       4  9  5  5  6  6  9 11  9 10  5  5  6  5  8 13 13 13 13 12 12 12
Clouds        B2 OV B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 OV B2 OV OV OV OV B2 B2 B2
PoP 12hr                     60          40          30          60          70
QPF 12hr                   0.15        0.03           0        0.06        0.18
Snow 12hr                     T       00-00       00-00
Rain shwrs     L  C  C  L  L     C  C  C  C  C  S        C  L  L  L  L  L  L  L
Snowshwrs                  L  C                    S  C                 L  L  L
Tstms          S                       S


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          45      28    45      29    51      31    53      33    53
Temp          41 45 33   28 40 45 33   30 45 51 36   32 50 52 38   34 48 52
Dewpt         18 23 24   21 18 25 26   23 22 24 28   25 25 25 28   26 25 25
PWind dir         W       W    NW       N     N       W    SW       W     W
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B1 B2 B2 B2   B2 B1 B1 SC   SC B1 B2 B2   B1 B1 B1
PoP 12hr         60      40    50      20    10       5    40      40    40
Rain shwrs     L  L  C       C  C  S                     C  C  C    C  C  C
Snowshwrs      L     C    C  C     S    S                C          C  C

$$
MTZ011-251100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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          47          33          55          36
Temp          51 52 45 40 37 34 36 40 43 47 42 37 35 33 39 50 54 53 45 42 39 36
Dewpt         40 39 40 36 35 32 32 29 32 33 35 33 32 30 34 35 37 37 40 39 36 34
RH            66 61 82 85 92 92 85 64 65 58 76 85 89 89 82 56 52 54 82 89 89 92
Wind dir      NE NE NE  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE SE SE SE  E
Wind spd       4  9 12 12 12 10 11  9  8  6  5  4  5  4  5  6 10 13 13 10 10  8
Clouds        B1 B2 B2 B2 B2 OV OV OV B2 OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2
PoP 12hr                     30          50          50          40          50
QPF 12hr                      0        0.06        0.02        0.01        0.11
Snow 12hr                 00-00           T       00-00
Rain shwrs     S  C  C  S  S     C  C  C  C  C  C  C     C  C  C  C  C  C  C  C
Snowshwrs                     C  C                 C  C                 C  C  C


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          50      34    51      32    57      35    60      38    59
Temp          48 50 38   35 46 51 37   33 52 56 42   36 56 58 45   38 54 58
Dewpt         34 35 34   32 29 32 32   30 32 30 34   32 34 33 37   34 35 33
PWind dir         S      NE     N       E    SW       S    SW       W    NW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   OV OV B1 B1   B1 SC SC SC   SC SC B1 B2   B2 B2 B2
PoP 12hr         50      50    40      10    10      10    20      30    30
Rain shwrs     C  C  C    C  C  C                           S  C    S  C  C
Snowshwrs      C          C  C

$$
MTZ051-251100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
250 PM MDT Mon Apr 24 2017

Date           04/24/17      Tue 04/25/17            Wed 04/26/17            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                      32          44          31          51          33
Temp          51 50 43 40 36 32 33 38 42 44 38 34 33 31 40 49 50 49 43 39 37 33
Dewpt         35 37 37 37 34 32 32 31 31 33 34 32 31 29 33 32 33 35 38 36 34 31
RH            54 61 79 89 92100 96 76 65 65 85 92 92 92 76 52 52 58 82 89 89 92
Wind dir      NW NE  E  E  E  E  E  E  E SE SE SE SW SW SW  S  S  S  S SW SW  W
Wind spd       5  8  6 10  9  8  8  8  6  5  5  6  6  5  5  6  9 11 11 10 10 11
Clouds        B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 OV B2 OV OV OV OV B2
PoP 12hr                     70          60          60          50          70
QPF 12hr                   0.18        0.07        0.06        0.04        0.18
Snow 12hr                 00-00           T           T
Rain shwrs     C  C  L  L  C        C  L  L  L           C  C  C  L  L  L  L  L
Snowshwrs                  C  C  C              C  C  C                 L  L  L
Tstms          S  S


Date           04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          43      30    42      29    49      31    55      35    53
Temp          42 43 34   30 38 42 32   30 44 49 36   32 51 54 42   35 49 52
Dewpt         31 31 30   28 28 29 28   27 26 28 29   27 27 31 34   30 32 28
PWind dir         W      NW     N       E     W      SW     W       W     W
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 OV OV   B2 OV OV B2   B2 B1 B1 B1   SC SC B1 B2   B2 B2 B2
PoP 12hr         60      60    60      20    20      10    20      40    40
Rain shwrs     L  L  L       L  L  S          S          S  S  C    C  C  C
Snowshwrs      L     L    C  L     S    S                S          C  C

$$
weather.gov/greatfalls



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