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Point Forecast Matrices
National Weather Service Great Falls MT
828 PM MST Tue Feb 18 2020

MTZ012-191100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       3          34          16          47          25
Temp                    6  5  3  6 23 33 33 22 19 18 18 17 38 46 42 29 28 26 27
Dewpt                   1  1 -1  0  7  7  9 10  9  8  6  5 11 12 14 14 14 12  8
RH                     79 83 83 76 50 33 36 59 64 64 59 58 32 25 31 53 55 55 44
Wind dir                S  S SW SW SW SW SW  S  S  S SW  S SW SW SW SW SW SW SW
Wind spd                5  6  6  8 13 13 12 12 13 17 17 18 21 21 18 18 20 20 18
Wind gust                                                  32 32
Clouds                 SC FW FW FW CL FW CL CL CL CL CL CL CL CL FW FW SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             -4 -7 -9 -7
Min chill              -4    -9    -9


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          50      30    49      29    48      26    36      17    30
Temp          44 46 32   32 46 47 31   31 46 46 34   26 35 32 20   18 27 29
Dewpt         14 11 15   14 21 20 21   21 25 23 21   17 19 14 13   11 14 11
PWind dir        SW      SW    SW      SW    SW       W    NW       N     N
Wind char        BZ      BZ    BZ      GN    BZ      BZ    BZ      BZ    GN
Avg clouds    SC FW FW   SC B1 B1 B1   B2 B2 B2 B2   B2 OV OV OV   B2 B2 B2
PoP 12hr          0       0     0       0    20      30    40      50    20
Rain                                          S
Snow                                             S    C  C  C  C    C  S

$$
MTZ010-191100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -1          34          12          47          22
Temp                    5  1 -1  3 24 34 30 20 16 14 13 14 36 46 42 26 25 24 22
Dewpt                   2 -2 -3 -2  8 12 13 12  9  7  6  5 13 19 19 13  9 10  8
RH                     87 87 91 79 50 39 49 71 73 73 73 67 38 34 39 57 50 54 54
Wind dir               SE  W  W  W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd                4  4  4  5 12 14 13 12 11 11 12 13 20 23 21 21 23 23 18
Wind gust                                                     33 32 32 33 33 28
Clouds                 SC FW FW FW FW CL CL CL CL CL CL CL CL CL FW FW SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             -4 -9-11 -8                   -2 -2
Min chill              -4   -12   -11                -3    -4


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          47      26    44      26    43      22    32      14    27
Temp          39 41 28   28 41 42 27   29 39 43 31   22 32 29 19   14 25 26
Dewpt         15 20 13   16 21 22 18   23 25 25 21   16 18 15 14    8 15 11
PWind dir        SW       W     W      SW    SW       W    NW       N    NW
Wind char        BZ      BZ    BZ      BZ    GN      GN    BZ      BZ    BZ
Avg clouds    SC FW SC   SC B1 SC SC   B1 B2 B2 B2   B2 OV B2 B2   B2 B2 B2
PoP 12hr          0       0     0       5    20      30    40      30    10
Snow                                       S  S  C    C  C  C  C    S

$$
MTZ014-191100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       8          33           9          40          17
Temp                   15 11  8  8 23 32 32 25 20 17 12 10 27 39 38 28 24 22 17
Dewpt                  12  9  6  6 10 10 10 14 11 11  5  2  5 10  9 14 13 11  5
RH                     88 91 91 91 57 39 39 62 67 77 73 69 38 30 29 55 62 62 58
Wind dir                W  W SW SW SE  E SE SE SE SE SE  S  S  S  S  S  S  S  S
Wind spd                3  3  2  2  4  4  4  4  3  3  3  2  3  5  5  5  4  4  4
Clouds                 SC FW FW FW CL CL CL CL CL CL CL CL CL CL SC SC SC SC SC
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          46      24    47      27    45      26    35      18    32
Temp          35 42 28   25 39 47 32   28 41 44 32   26 28 35 22   18 26 32
Dewpt          8 14 17   14 19 21 23   21 25 23 20   18 12 15 15   11 13 13
PWind dir         S      SW    SW      SW     S       W     W       N     N
Wind char        LT      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC FW   SC B1 B1 B1   B1 B2 B2 B2   B2 OV OV OV   OV B2 B2
PoP 12hr          0       0     0       0    30      30    30      30    10
Snow                                       S  C  C    S  C  C  C    S

$$
MTZ055-191100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       4          26          -4          33          12
Temp                   10  9  6  4 16 25 24 11  5  2  1 -2 22 32 30 20 16 14 12
Dewpt                   8  8  5  3  9 10 10  4  0 -3 -4 -7  7 12 14 12  7  3  3
RH                     91 96 96 95 73 52 54 73 79 79 79 79 52 43 51 71 67 61 66
Wind dir               SE  S  S  S NW  N  E SE SE SE  S  S  S SW  S  S  S  S  S
Wind spd                3  3  4  3  2  3  3  3  3  4  3  3  2  2  4  4  4  4  4
Clouds                 B1 B1 B1 SC FW CL CL CL CL CL CL CL CL CL SC SC FW FW SC
PoP 12hr                     40           5           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00
Snow                    S
Obvis                  PF PF PF PF
Wind chill                   -3 -3             -2 -8 -7-10
Min chill                    -3    -3          -2    -9   -11


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          40      18    44      22    42      21    33      13    29
Temp          30 36 22   19 36 43 26   24 37 41 24   22 22 33 16   14 22 29
Dewpt         12 15 12   10 21 25 19   20 26 26 20   16  9 18 13   11 13 14
PWind dir        SW       S    SW       S     S       W     W      NW     N
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC   FW FW FW SC   B1 B2 B2 B2   B2 OV OV OV   OV B2 B2
PoP 12hr          0       0     0       5    50      50    30      20    10
Snow                                       C  C  C    C  C  C  S    S

$$
MTZ055-191100-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                     -25          20         -22          26          -1
Temp                  -10-17-23-23  7 20 18  3 -5-14-21-15 12 25 23 11  7  3 -1
Dewpt                 -11-18-23-25 -1  3  7  1 -7-15-22-17  3  6 10  6  3 -2 -5
RH                     95 95100 90 69 47 61 91 91 95 95 90 66 44 57 80 83 79 83
Wind dir               SE  E  E  E  N  W  W SE  E  E  E SE  S SW  S  S  S  S  S
Wind spd                2  3  3  2  3  5  5  4  3  2  2  1  2  4  4  4  2  2  2
Clouds                 B1 SC SC FW CL CL CL FW FW FW FW FW CL CL SC SC SC SC SC
PoP 12hr                     30           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                     T       00-00       00-00
Snow
Obvis                  PF PF PF             PF PF PF PF
Wind chill               -27-34             -6-14
Min chill             -16   -34   -36         -14   -21   -21          -1    -1


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          29       3    34       9    31      10    24       2    21
Temp          22 27 12    3 26 33 15   10 26 31 22   10 16 24  8    2 15 21
Dewpt          6 13  4   -1 16 30  8    8 22 29 19    6  4 12  0    0  7  9
PWind dir         S       S     S       S    SW      SW     W      NW     N
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC SC SC   FW SC SC SC   SC B2 OV OV   OV OV OV B2   B2 B2 B2
PoP 12hr          0       5     0       5    70      70    40      20    10
Snow                                       C  L  L    L  C  C  S    S

$$
MTZ008-191100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       2          24           2          30          12
Temp                    9  6  3  3 14 21 23 10  8  7  4  3 18 29 28 14 14 12 12
Dewpt                   6  3  0  1  6  8  8  3 -1 -1 -4 -3  5 12 10  3 -2 -2  0
RH                     87 87 87 91 70 56 52 73 66 69 68 75 56 48 46 61 48 52 58
Wind dir                S  S  S  S SW SW  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  5  5  5  4  3  5  8  9  9  9  8  6  8  9  9 11 11  9
Clouds                 SC SC FW FW CL CL CL CL CL CL CL FW CL FW SC SC SC SC SC
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill             -1 -4 -8 -8          -2 -5 -7-10-11                -2
Min chill              -1    -8    -9          -5   -10   -12                -2


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      16    39      21    38      21    30      14    26
Temp          26 33 18   18 29 39 24   22 32 38 27   21 25 30 18   14 22 26
Dewpt         13 12  6    9 16 22 16   16 20 24 17   16 11 17 13   10  9 13
PWind dir         S       S    SW      SW    SW       W     W      NW     N
Wind char        GN      GN    GN      GN    GN      GN    BZ      BZ    GN
Avg clouds    SC SC FW   FW SC FW SC   SC B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr          0       0     0       5    50      40    20      20     5
Snow                                       C  C  C    C  S  S  S    S

$$
MTZ011-191100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -8          28           6          43          21
Temp                   -4 -6 -6 -8  9 26 26 15 12 10  9  8 29 41 40 29 26 24 21
Dewpt                  -6 -9 -8-10  3 11 12 10  7  6  3  2 11 21 24 22 18 17 12
RH                     91 86 91 91 76 52 55 80 80 83 76 76 46 44 52 75 71 74 68
Wind dir               NE  E  E  E  E  S SE SE SE  S SE  S SW SW SW SW SW SW SW
Wind spd                5  5  4  4  8 11  8  6  6  8  8  6 10 13 12 12 14 14 12
Clouds                 SC B1 SC SC CL CL CL CL FW FW FW FW FW CL CL CL FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF
Wind chill            -16-19-17-19 -3             -2 -3 -3
Min chill             -16   -19   -19                -3    -6


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          48      26    47      26    46      26    35      17    29
Temp          39 42 30   27 45 42 28   27 41 45 33   26 32 34 22   17 28 26
Dewpt         19 24 20   17 25 28 22   22 26 34 27   22 23 25 19   13 21 17
PWind dir        SW      SW     W       W    SW       W    NW       N     N
Wind char        GN      BZ    GN      GN    GN      GN    BZ      BZ    GN
Avg clouds    FW FW FW   SC SC SC SC   SC B2 B2 B2   B2 OV OV B2   B2 B2 B2
PoP 12hr          0       0     0       0    20      30    80      50    20
Rain                                          S  C
Snow                                          S  C    C  D  D  C    C  S

$$
MTZ051-191100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
828 PM MST Tue Feb 18 2020

Date          Tue 02/18/20      Wed 02/19/20            Thu 02/20/20         Fri
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -8          28           7          43          20
Temp                   -6 -8 -8 -6 18 28 25 14 12 11  9  9 35 42 37 24 23 20 21
Dewpt                  -7 -9-10-10  7  8  8  7  3 -1 -2 -1 17 18 13  7  2  1 -1
RH                     95 95 91 82 61 42 48 73 66 57 60 63 47 37 37 47 39 43 37
Wind dir                S  S  S  S SW SW SE  S  S SE  S  S  S SW  S  S SW SW SW
Wind spd                5  5  5  5  5  6  6  8  8  6  8  6  8 10 11 11 13 13 11
Clouds                 SC SC FW FW CL CL CL CL CL CL CL CL CL CL CL CL SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow
Wind chill            -19-21-21-19                   -3 -2
Min chill             -19   -23   -21                -3    -4


Date           02/21/20  Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          44      25    44      24    43      23    31      14    25
Temp          37 41 28   26 41 42 28   25 40 42 29   23 28 30 18   14 22 25
Dewpt         11 13 11   13 22 21 19   17 25 28 21   15 19 19 15   11 16 15
PWind dir        SW      SW     W      SW    SW       W    NW      NW    NW
Wind char        GN      GN    GN      GN    GN      GN    BZ      BZ    GN
Avg clouds    SC FW FW   FW SC SC SC   SC B1 B2 B2   B2 OV B2 OV   B2 B2 B2
PoP 12hr          0       0     0       0    10      30    50      50    30
Snow                                             C    C  C  C  C    C  C  S

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



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