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Point Forecast Matrices
National Weather Service Great Falls MT
916 AM MST Tue Feb 20 2018

MTZ012-202300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      11         -12          17          -8          13
Temp                    1 11  7 -1 -5 -6-10-10  6 17 12  4 -1 -3 -5 -7  5 13  6
Dewpt                 -10 -4 -6-10-13-12-14-16 -5  2 -1 -3 -7 -8 -9-13 -5  1 -3
RH                     59 50 54 65 67 74 82 74 60 51 55 72 75 78 82 74 62 58 66
Wind dir               SW SW SW  S  S SW SW SW SW SW SW SW SW SW SW SW  W NW  N
Wind spd               13 10  8  9  6  9  5  6  9 11 10 10 10  8  6  6  6  6  8
Clouds                 FW SC SC B2 B2 B2 B1 FW CL CL FW FW FW FW FW FW SC SC B1
PoP 12hr                      0           5           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill            -17 -3 -6-16-19-23-23-25 -8    -1-11-17-18-19-21 -7    -7
Min chill             -31   -10   -19   -24   -27    -3   -17   -19   -23    -7
Wind Chill              Y


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -5    23      11    29      11    28      11    28
Temp          -5   -1 17 21 11   16 26 27 13   14 22 27 12   16 25 27
Dewpt        -10   -7  4  8  3    9 14 15  7   10 12 14  6   11 13 16
PWind dir           W    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    B1   SC FW SC SC   B1 B1 B1 B2   B2 B2 B1 B1   B1 B1 B1
PoP 12hr           10     5      10    20      20    20      20    20
Snow                                    S  S    S  S  S  S    S  S

$$
MTZ010-202300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      12         -15          15          -7          14
Temp                    4 12  7 -2 -4 -7-12-14  4 15  8 -4 -7 -6 -6 -5  7 14  9
Dewpt                  -6 -1 -2 -6 -7-10-15-18 -5  1 -3-10-12-12-12 -9 -2  2 -2
RH                     62 55 66 82 86 86 86 81 65 53 60 75 78 74 74 82 66 58 60
Wind dir                W NW  N NE  W  W  W  W SW SW SW SW  W  W  W NW NW  N  N
Wind spd                9 10  6  5  4  6  6  6 10 12 11  9  8  8 10 10 10 10  8
Clouds                 B1 B1 B2 OV B2 B2 FW CL CL CL FW FW FW SC B1 B1 B1 B1 B1
PoP 12hr                      5           5           5           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill            -10 -1 -5-14-15-21-27-30-11    -7-20-23-21-24-22 -8    -3
Min chill             -25    -6   -15   -27   -31    -7   -23   -24   -24    -3
Wind Chill              Y


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -5    23      11    26       8    23       8    24
Temp          -5   -2 19 20 12   14 24 24 12    8 18 23 12    9 21 22
Dewpt        -10   -9  5  7  5    8 15 12  7    4 10 12  7    5 12 12
PWind dir           W    SW       W     W       W     W      SW    SW
Wind char          GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    B1   SC SC SC B1   B1 B1 B1 B2   B1 B1 B1 B1   B1 B1 B1
PoP 12hr           10     5      10    20      20    20      20    20
Snow                                 S  S  S    S  S  S       S  S  S

$$
MTZ014-202300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      13          -7          19          -4          18
Temp                    6 13  9  1 -1 -3 -6 -5  9 19 16  7  3  0 -3 -3 11 18 14
Dewpt                  -6 -2 -3 -6 -7 -9-11 -9 -2  4  4  2 -2 -5 -8 -6 -1  4  2
RH                     57 50 57 72 75 75 78 82 60 51 58 79 79 79 78 86 57 53 58
Wind dir               SE  E  E  S SW  W SW SW  S SW  S SW SW SW  S NW  N  N  N
Wind spd                3  3  3  1  3  2  3  3  3  4  3  2  3  2  3  3  3  4  5
Clouds                 SC SC SC B2 B2 B2 B2 SC SC SC SC FW FW FW SC SC SC B1 B1
PoP 12hr                      0           5           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             -1          -9   -15-14             -4   -11-11
Min chill             -15          -9   -15   -16          -4   -11   -12
Wind Chill              Y


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -2    23      10    29      14    29      14    31
Temp           1   -2 16 22 12   13 25 28 15   17 25 28 17   15 27 30
Dewpt         -5   -8  2 10  4    7 12 16 10   12 12 16 11   10 15 20
PWind dir          NW    SW      SW    SW      SW     W      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   B1 B2 B1 B2   B1 B2 B1 B2   B1 B1 B2
PoP 12hr           20    10      10    20      30    20      20    20
Snow                S                S  S  C    C  S  S       S  S  S

$$
MTZ055-202300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                       7          -8          17          -5          19
Temp                    0  6  5 -7 -7 -8 -6 -6  8 17 15  6  1 -1 -3 -4 11 19 16
Dewpt                  -9 -9 -5-13-12-12-11-11 -2  2  4  1 -4 -5 -8 -9  0  4  4
RH                     65 49 62 74 78 82 78 78 63 51 61 79 79 83 78 78 60 51 58
Wind dir                N  N  E SE SE  S  S  S SW  W SW  S  S  S  S SE NW  N NE
Wind spd                2  4  4  6  4  3  4  5  4  4  4  5  4  4  3  4  3  4  3
Clouds                 SC FW SC B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1
PoP 12hr                      0           5          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                -3 -4-21-18-17-17-19 -1       -4 -9-11-11-15
Min chill              -9    -5   -21   -19   -20          -9   -12   -16


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -4    23       7    27      12    28      12    31
Temp           1   -4 13 23 10    9 22 26 15   13 22 27 15   14 27 30
Dewpt         -5  -10 -1  9  4    1  8 12  9    7 11 13  8    8 14 16
PWind dir          SE    SW      SW    SW      SW     W      SW    SW
Wind char          LT    LT      GN    LT      GN    LT      LT    LT
Avg clouds    B1   B1 SC SC SC   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr           10    10      10    20      30    30      20    20
Snow                                 S  S  C    C  C  S  S    S  S  S

$$
MTZ055-202300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                       5         -16          13         -11          19
Temp                   -8  4  4 -8-11-11-15-14  2 11 12  2 -3 -3-10 -8  9 19 15
Dewpt                 -15 -9 -5-11-13-13-17-15 -5  0  4 -1 -5 -5-12-10  2  7  4
RH                     70 54 65 86 90 90 90 95 72 60 70 87 91 91 90 91 72 59 61
Wind dir               SW SW SW  S  S  S  S  S SW SW SW  S  S  S  S SE  S SW SW
Wind spd                4 10 10  6  6  5  5  5  9 11  9  4  5  4  4  4  5  9  6
Clouds                 B1 B1 B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B2 B1 B1 B1 B2 B2
PoP 12hr                     10          20          30          30          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                          S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S
Wind chill            -19-11-11-23-26-25-29-28-13 -3    -8-15-13-22-19 -1
Min chill             -29   -15   -26   -29   -31    -9   -15   -22   -23


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max           -10    20       2    21       8    24       9    26
Temp          -6  -10 13 18  5    3 12 21 12    9 18 24 13   10 21 26
Dewpt         -9  -12  5  8  2   -1  4 14  9    7 10 14 11    8 13 18
PWind dir           S    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B1 B1 B1 B1   B2 B2 B2 OV   OV B2 B2 B2   B2 B2 B2
PoP 12hr           20    20      20    30      50    30      30    30
Snow           S    S  S     S    S  C  C  C    C  C  C  S    C  C  C

$$
MTZ008-202300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                       3          -8          14          -4          17
Temp                   -8  2  2 -4 -3 -7 -8 -7  5 13 12  2  1 -3 -3 -3  8 17 13
Dewpt                 -15-11-10 -9 -7 -9-11-10 -5 -1 -2 -4 -3 -6 -7 -6 -3  4  0
RH                     70 53 56 78 82 91 86 86 62 53 52 75 83 86 82 86 60 56 55
Wind dir                S SW  S  S  S  S  S  S  S SW  S  S  S  S  S SE  S  S  E
Wind spd                5  9  9  8 10  9  6  8  9 10  9  8  8  6  6  6  8  9  8
Clouds                 SC SC SC B1 B2 B1 SC B1 B1 B1 B1 SC SC B1 SC B1 B1 B2 B1
PoP 12hr                      0           5          10          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                  S  S        S  S  S  S  S
Wind chill            -21-13-13-19-20-24-23-23 -9      -12-13-17-17-17 -4
Min chill             -32   -16   -20   -24   -24    -4   -13   -17   -18


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -2    22       7    27      11    28      12    31
Temp           3   -2 10 22 11    8 20 27 16   11 23 27 15   13 24 31
Dewpt         -2   -7  0  7  6    1  9 13 11    6 11 13 11    8 14 17
PWind dir          SE     S      SW     S       S    SW      SW     S
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   SC SC SC SC   B1 B1 B2 B2   B2 B2 B1 B2   B1 B1 B1
PoP 12hr           20    10      10    20      30    20      20    20
Snow           S    S                S  S  C    C  S  S       S  S  S

$$
MTZ011-202300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                       2         -16           8         -15           8
Temp                   -7  1  0 -6-10-12-15-14 -1  8  2 -6-12-14-15-12  0  8  3
Dewpt                 -14 -8 -6-11-14-16-18-17 -7  0 -3-11-16-17-18-15 -6  1 -3
RH                     71 65 75 78 82 82 86 86 75 69 79 78 82 86 86 86 75 72 75
Wind dir               SW SW SW  W SW SW  S SW SW SW SE SE  S SW SW SW  W  W  W
Wind spd               14 14 13  8  6  4  5  5  6  8  8  6  5  4  5  8  8  8  6
Clouds                 SC SC B1 B2 B2 B2 B2 SC FW CL FW CL FW FW FW SC SC SC SC
PoP 12hr                      0           5           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill            -28-18-19-21-25-24-29-28-14 -4-12-20-26-26-29-29-14 -4 -9
Min chill             -43   -23   -25   -29   -31   -12   -26   -29   -31    -9
Wind Chill              Y


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max           -12    16       6    24       6    20       3    20
Temp          -9  -12  5 16  6   10 18 23  8    9 16 19  6    4 16 19
Dewpt        -13  -16 -2  9  2    6 10 15  3    6  9 11  2    1  9 12
PWind dir          SW    SW      SW    SW       W     W      SW    SW
Wind char          LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC   SC SC SC SC   B1 B1 B1 B1   B1 B2 B1 B1   B1 B1 B1
PoP 12hr           10     5      10    10      20    20      20    10
Snow                                       S    S  S  S  S    S

$$
MTZ051-202300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
916 AM MST Tue Feb 20 2018

Date                Tue 02/20/18            Wed 02/21/18            Thu 02/22/18
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                       4         -11          17          -6          16
Temp                   -1  4  0-10-11 -9 -9 -7 10 17 11 -1 -3 -5 -6 -3 11 16  7
Dewpt                 -13-11 -7-14-18-14-13-12  3  3  1 -4 -9-10-14 -9  1  4 -1
RH                     56 49 71 82 70 78 82 78 73 53 63 87 75 78 67 75 63 58 69
Wind dir               SW  W  W  S  S  S  S  S SW SW SW  S  S  S SW SW NW  N NW
Wind spd                6  9  6  8  9  9  8  8  6  6  6  8  8  8  8  6  4  6  6
Clouds                 FW FW SC SC B1 B2 B1 SC FW FW FW FW CL CL FW FW SC SC SC
PoP 12hr                      0           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill            -14-10-13-26-29-26-25-23 -1      -15-18-20-21-17       -5
Min chill             -22   -13   -29   -28   -26         -18   -21   -21    -5
Wind Chill              Y


Date               Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -6    23      10    27      11    25      10    28
Temp          -6   -5 19 18 10   16 25 26 14   12 19 24 11   14 25 27
Dewpt        -12  -13  5 10  6    8 13 17 10    8  9 15  6   10 13 22
PWind dir          SW    SW      SW     W      SW     W       W    SW
Wind char          LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC   SC FW FW FW   SC SC B1 B1   B1 B2 B1 B1   B1 B1 B1
PoP 12hr           10     5       5    10      20    30      20    10
Snow                                       S    S  C  S  S

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




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