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Point Forecast Matrices
National Weather Service Great Falls MT
301 PM MST Fri Feb 23 2018

MTZ012-241100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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                      13          30          15          41          13
Temp             22 14 14 16 18 18 26 30 26 16 15 20 22 26 36 40 35 24 22 17 16
Dewpt             7  5  5  9 11 11 14 16 15 11 10 15 15 17 23 24 20 15 14 10 11
RH               52 67 67 73 73 73 60 55 62 80 80 81 74 68 59 52 54 68 71 73 80
Wind dir         SW SW SW SW SW SW SW SW  W SW SW SW SW SW SW SW  W SW SW SW SW
Wind spd         21 19 26 24 24 24 26 20 14 10 16 20 27 29 31 34 28 20 20 17 16
Wind gust        33 29 39 36 36 36 39 31          31 41 44 46 50 42 31 31
Clouds           CL CL FW B1 B1 SC B1 B1 B1 B1 SC SC B1 B1 B2 B1 B1 SC B1 B1 B1
PoP 12hr                      5          10          10          20          10
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                        S  S
Obvis            BS BS BS BS BS BS BS BS       BS BS BS BS       BS BS BS BS
Wind chill          -3 -6 -2                   -1
Min chill              -7    -6                -1
Winter Storm                                             A  A  A  A  A  A
Winter Weath      Y  Y  Y  Y  Y


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          28       9    29      13    30      12    29       9    27
Temp          25 24 10   13 25 28 15   15 26 29 15   14 26 27 13   10 21 26
Dewpt         14 11  3    6 10 13  7   10 15 16  9    9 15 14  7    6 10 16
PWind dir         W      SW    SW      SW    SW      SW    SW       S    SW
Wind char        GN      GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC   FW FW SC B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2
PoP 12hr         10       0     0       5    10      10    10      10    20
Snow                                                                   S  S

$$
MTZ010-241100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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                      13          31          14          37          11
Temp             21 17 15 17 13 15 24 30 25 14 16 19 22 25 33 36 32 23 20 16 12
Dewpt            10 10  8  9  7 10 15 18 15  9 11 14 17 21 24 23 20 15 13 10  7
RH               62 73 73 70 76 80 68 60 65 80 80 80 81 84 69 59 61 71 74 77 80
Wind dir          W  W  W  W  W  W  W  W  W  W  W  W  W  W SW  W  W  W  W  W  W
Wind spd         36 33 39 33 32 23 26 21 16 12 25 20 28 24 35 34 35 25 23 18 14
Wind gust        54 49 57 49 47 34 39 33       37 31 42 36 52 50 52 37 34 28
Clouds           FW FW SC B2 SC SC SC SC SC FW FW SC B1 B1 B1 B1 B1 B1 B1 SC B1
PoP 12hr                      5           5           5          20          10
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                  S  S  S  S
Obvis            BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS BS
Wind chill          -4 -8 -4 -9 -3             -3                            -4
Min chill              -8    -9    -8          -4                            -4
Blizzard          W  W  W  W  W


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          28      10    28      12    28       9    25       5    21
Temp          23 23 11   13 25 26 15   14 26 26 13   10 23 23 10    5 15 20
Dewpt         15 11  5    8 16 14 10    9 18 15  9    5 14 13  7    1  8 11
PWind dir         W       W     W       W     W       W    SW       S     N
Wind char        BZ      BZ    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC   FW SC B1 SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B2 B2
PoP 12hr         10       0     5       5    10      10    10      20    20
Snow                                                                S  S  S

$$
MTZ014-241100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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                       5          27          15          39          14
Temp             20 12  8  9  6  7 21 27 23 17 15 16 18 18 33 38 36 27 24 17 17
Dewpt             7  2  0  2 -1  1 10 13 13 12 10 10 12 12 20 22 23 19 17 12 11
RH               56 63 69 72 72 76 62 55 65 80 80 77 77 77 58 52 59 71 74 80 77
Wind dir         SW SW SW SW SW SW SW  W  W  W  W  W SW SW SW  W  W  W  W  W SW
Wind spd         10  9  8  6  8  8  9 10 11  6  6  8  9 10 13 18 21 14 10  6  5
Wind gust                                                     28 33
Clouds           SC FW B1 B2 B1 B1 B2 B1 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1
PoP 12hr                     20          20          20          50          30
QPF 12hr                      0        0.01           0        0.03        0.02
Snow 12hr                 00-00           T           T
Snow                          S  S  S  S  S  S        C  C  C  C  C  C  S  S  S
Obvis                                                            BS BS
Wind chill             -4 -2 -7 -6
Min chill              -4    -7    -8


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          28       7    28      13    31      13    30      12    30
Temp          23 27 13    8 21 28 16   14 24 30 16   14 23 30 17   13 24 29
Dewpt         11 12  5    1  6 14  9    9 12 17 10    9 12 17 12    7 12 17
PWind dir         W      SW    SW      SW    SW      SW     S       S     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC   FW FW SC B2   B1 B1 B1 B2   B1 B1 B1 B2   B2 B2 B2
PoP 12hr         20       5     5      10    10      10    10      20    20
Snow           S  S                                            S       S  S

$$
MTZ055-241100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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                       5          25           9          34          13
Temp             17  7  5  9  9  9 19 25 22 16 13  9 10 14 27 33 30 24 20 17 15
Dewpt             5  0 -1  3  3  3  8 10 12 11  8  3  3  5 13 16 17 17 15 12  9
RH               58 72 76 76 76 76 61 52 65 80 80 76 73 67 55 49 58 74 81 80 77
Wind dir         SW SW  S  S SW  S SW SW  W SW SW SW SW SW SW SW SW  W  W SW SW
Wind spd          6  8  6  8  6 12 11 14  9  8  6  8  5 11 17 26 21 13 11  5  5
Wind gust                                                     39 33
Clouds           SC FW SC B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 OV B2 B2
PoP 12hr                     10          30          30          30          50
QPF 12hr                      0           0        0.01        0.02        0.04
Snow 12hr                 00-00           T           T
Snow                                      C  C  S  S  S  S  C  C  C  C  C  C  C
Obvis                                                      BS BS BS BS
Wind chill          -6 -7 -3 -2 -7                -3
Min chill              -8    -6    -7                -3


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          27       2    26       9    29       9    31      13    33
Temp          22 25  9    3 20 25 13   10 24 28 14   10 25 30 18   15 30 31
Dewpt         10 11  1   -3  5 10  6    4 10 14  7    4 12 15 12    9 17 18
PWind dir         W       W    SW      SW    SW      SW     S       S    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 B1   SC FW SC B2   B2 B2 B2 B2   B1 B1 B2 B2   B1 B2 B2
PoP 12hr         40      20     5      10    20      10    10      20    20
Snow           C  C  S                        S                S    S  S  S

$$
MTZ055-241100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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          18          -1          21          11
Temp             15  5  1 -2 -2 -3  8 17 17 14  5 -1  0  0 12 19 20 21 20 19 13
Dewpt             3  1 -1 -4 -4 -5  2  9 12 11  3 -3 -2 -1  5 11 16 17 17 16 11
RH               58 83 91 91 91 91 76 70 80 88 91 91 91 95 73 70 84 84 88 88 91
Wind dir         SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd         10 10  9  8 10  9 13 13 11  8  6  5  9 10 16 17 19 27 19 10  9
Wind gust                                                        29 41 29
Clouds           B1 B1 B2 B2 B2 B2 OV OV OV B2 B1 B1 B2 B2 B2 OV OV OV OV OV OV
PoP 12hr                     50          60          60          70          80
QPF 12hr                   0.01        0.04        0.03        0.08        0.19
Snow 12hr                     T           1           1
Snow              C  C  C  C  C  C  L  L  L  L  C  C  C  C  L  L  D  D  L  L  L
Obvis                                                      BS BS BS BS BS BS
Wind chill         -10-14-17-19-19 -8          -7-13-15-16 -5
Min chill             -14   -19   -20    -3    -7   -15   -16    -1
Winter Weath               Y  Y  Y  Y  Y  Y  Y  Y


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          24      -5    23       3    23       6    26      13    30
Temp          21 24  7   -4 18 21  9    4 17 22 10    7 21 26 17   14 27 29
Dewpt         13 15  3   -7  8 13  7    2  9 13  7    5 13 18 14   12 19 20
PWind dir        SW       W    SW      SW    SW      SW     S       S     S
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    OV OV B2   B2 SC SC B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr         60      30    10      20    20      20    30      30    30
Snow           L  C  C             S    S  S  S  S    S  C  C  C    C  C  C

$$
MTZ008-241100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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          21           4          32          10
Temp             16  4  2  6  2  3 14 21 17  9  7  5  4  7 21 31 30 24 19 16 11
Dewpt             2 -2 -3  2 -3 -1  4  9  6  6  4  2  0  3  9 17 17 19 15 14  8
RH               53 75 79 83 79 83 64 59 61 87 87 87 83 83 59 56 58 81 84 92 87
Wind dir         SW SW  S SW  S  S  S SW SW SW SW SW SW  S SW SW SW SW SW  S  S
Wind spd         12 11 12 12 13 13 13 17 13 11 11 11 19 13 18 33 27 18 11 10  9
Wind gust                                            29    28 49 41 28
Clouds           FW FW B2 OV B1 B2 B2 B1 B2 B1 SC B1 B1 B2 B1 B2 B2 B2 OV B2 B2
PoP 12hr                     20          30          30          50          50
QPF 12hr                      0        0.01        0.01        0.02        0.06
Snow 12hr                 00-00           T           T
Snow                          C  C  C  C  C  C        S  S  C  C  C  C  C  C  C
Wind chill         -12-15-10-16-15 -1       -6 -8-11-17-10                   -2
Min chill             -15   -16   -17          -8   -17   -16                -2


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          24      -1    25       5    26       7    29      12    32
Temp          21 23  5    0 15 25 10    6 21 25 12    8 21 29 17   13 28 30
Dewpt         10  8 -1   -4  4  9  5    2 12 11  7    5 11 16 13    9 18 17
PWind dir         W       W    SW       S     S       S     S       S     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B1   SC FW SC B2   B1 B1 B1 B2   B1 B1 B2 B2   B1 B2 B2
PoP 12hr         30      10     5      10    10      10    20      20    20
Snow           C  C                                         S  S    S  S  S

$$
MTZ011-241100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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          25          10          39          11
Temp             12  8  5  6  4  8 17 24 22 12 10 10 14 16 29 37 38 27 22 20 13
Dewpt             6  3  0  0  0  4 10 16 17  9  6  5 10 12 21 27 30 21 18 16  9
RH               76 79 79 76 83 83 73 71 81 87 83 80 84 84 72 67 73 78 84 84 84
Wind dir         SW SW SW SW SW SW  W  W  W  W SW SW SW SW SW SW  W  W  W  W  W
Wind spd         23 18 14 21 17 18 21 17 18 12 10 16 14 16 19 21 34 27 17 23 14
Wind gust        34       33       33                      29 33 50 41    34
Clouds           FW CL FW SC B2 B1 SC SC B1 B1 SC SC B1 B1 B2 B2 B1 B1 B2 B2 B1
PoP 12hr                      5           5           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                        S  S
Obvis            BS BS BS BS BS BS BS BS                   BS BS BS BS BS BS
Wind chill       -7-11-13-15-15-11          -3 -4 -7 -1                      -3
Min chill        -7   -13   -16   -14          -5    -7    -1                -3
Winter Storm                                             A  A  A  A  A  A
Winter Weath      Y  Y  Y  Y  Y


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          24       5    26       8    24       6    22       5    21
Temp          18 22  7    8 19 26 13    8 19 23 11    6 17 21  8    6 13 21
Dewpt         11 16  3    3 10 18  9    3 11 15  8    3 10 13  4    3  6 15
PWind dir         W      SW    SW      SW    SW      SW     S      SE     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 SC SC   FW FW SC SC   B1 SC SC SC   B1 B1 B2 SC   B1 B1 B1
PoP 12hr         10       0     0       5     5       5     5       5    20
Snow                                                                      S

$$
MTZ051-241100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
301 PM MST Fri Feb 23 2018

Date          Fri 02/23/18      Sat 02/24/18            Sun 02/25/18         Mon
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          14          38          13
Temp             19 12  8  9 13 15 22 28 24 16 14 16 19 20 30 36 37 28 20 18 14
Dewpt             8  8  3  4  7  9 13 16 16 12 10 11 11 12 19 22 27 23 14 13  9
RH               61 84 79 80 76 77 68 60 71 84 84 80 70 71 63 56 67 81 77 80 80
Wind dir         SW SW SW SW SW SW  W  W  W  W  W  W SW SW  W SW  W  W  W  W  W
Wind spd         11 14 12 13 14 17 19 16 11 10 11 11 17 19 21 21 23 18 16 13 12
Wind gust                          29                   29 33 33 34 28
Clouds           FW CL FW FW B2 B1 SC SC B1 B1 B1 SC B1 B1 B1 B2 B2 B2 B1 SC B1
PoP 12hr                      5          10          20          10          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00           T
Snow                                      S  S                    S  S
Obvis                        BS BS BS BS             BS BS BS BS BS BS
Wind chill          -4 -8 -7 -3 -1
Min chill              -8    -8    -2
Winter Storm                                             A  A  A  A  A  A


Date           02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18  Fri 03/02/18
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          26       6    27      12    28      11    28      10    26
Temp          24 23  8    9 23 26 13   15 25 27 13   14 26 26 14   11 23 24
Dewpt         14 17  3    4  9 17  9    9 13 19 10    9 14 19 11    7 13 17
PWind dir         W       W    SW      SW     W      SW    SW       S     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   FW FW SC B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         10       5     0      10     5       5    10      10    20
Snow                                                                   S  S

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




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