Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
203 PM MST Mon Jan 22 2018

MTZ012-231100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      26          37          28          45          32
Temp             35 30 30 29 27 26 33 37 30 28 29 31 31 32 40 45 41 36 35 33 33
Dewpt            24 21 22 20 20 19 21 21 19 18 19 20 23 24 27 28 29 26 25 21 24
RH               64 69 72 69 74 74 61 52 63 66 66 63 72 72 59 51 62 67 66 61 69
Wind dir         SW SW SW SW SW SW SW SW  S  S SW  S  S SW SW SW  S SW  S SW SW
Wind spd         18 18 19 19 18 17 18 17 13 14 19 19 20 19 20 19 19 18 18 18 16
Clouds           B2 B2 B1 SC SC FW SC SC B1 B1 B2 B1 B2 SC B1 B1 B1 B1 B1 SC B1
PoP 12hr                      0           0           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          41      22    33      17    33      24    41      30    44
Temp          41 34 24   23 32 30 21   18 27 33 26   26 37 40 31   32 43 41
Dewpt         27 23 16   15 18 17 13   10 13 21 19   18 26 27 23   25 28 27
PWind dir        SW      SW    SW      SW    SW      SW    SW       S    SW
Wind char        BZ      GN    BZ      BZ    GN      BZ    GN      GN    BZ
Avg clouds    B1 B1 B1   SC SC B1 B1   B1 SC B1 B1   B1 B1 B2 B2   B1 B1 B1
PoP 12hr         10      20    10      10    10      10    20      20     5
Rain                                                           S
Snow                 S                                   S     S

$$
MTZ010-231100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      24          34          23          41          26
Temp             34 30 28 28 27 24 29 34 25 23 25 25 26 28 34 41 37 32 29 28 26
Dewpt            27 25 23 22 23 20 20 22 19 19 20 20 22 24 25 31 31 28 24 22 21
RH               75 81 81 78 85 84 69 61 78 84 81 81 85 85 69 67 79 85 81 78 81
Wind dir          W  W  W  W  W  W  W SW  S  S  S  S  S SW SW SW  S  S SW SW SW
Wind spd         21 18 19 20 21 17 18 16 12 10 10 10 11 11 12 12 13 11 11 10 11
Clouds           B2 B1 FW FW CL CL SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC B1
PoP 12hr                      0           0          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          37      20    29      12    29      19    37      26    40
Temp          36 28 20   25 29 25 16   12 22 29 20   22 29 37 27   30 38 38
Dewpt         26 19 12   20 18 17  9    8 12 24 15   18 19 31 24   24 26 31
PWind dir        SW       W     W       W    SW      SW    SW      SW    SW
Wind char        BZ      BZ    BZ      BZ    GN      GN    GN      GN    BZ
Avg clouds    B1 SC SC   SC B1 B1 B1   SC SC B1 B2   B1 B1 B1 B2   B1 B1 B1
PoP 12hr         10       5    10      10    20      20    20      20    10
Snow                                          S  S       S  S  S    S

$$
MTZ014-231100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      16          30          16          36          20
Temp             28 25 23 21 18 16 25 30 27 22 19 18 18 17 28 35 35 30 26 23 21
Dewpt            20 18 18 17 14 13 19 18 18 15 14 13 14 13 20 24 24 23 19 18 16
RH               71 74 81 84 84 88 78 60 68 74 80 80 84 84 71 64 64 75 74 81 81
Wind dir         SW SW SW SW SW SW SW SE  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd          6  6  6  6  6  5  4  8  4  5  4  5  5  5  5  8  6  6  5  5  4
Clouds           B2 B1 B2 SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 B2
PoP 12hr                      5           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          C


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          31      12    26      12    27      16    33      20    36
Temp          30 27 18   12 22 25 16   12 18 27 20   16 24 33 28   20 30 36
Dewpt         23 16 13    6 13 14 11    7 10 16 15   11 17 22 24   15 21 25
PWind dir        SW      SW    SW      SW     S      SW     S      SW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 B1   SC B1 B1 B1   SC B1 B1 B2   B1 B1 B2 B2   B1 B1 B1
PoP 12hr         30      20    20      10    10      20    20      20    10
Rain                                                           S
Snow           C  C  S          S                     S  S     S

$$
MTZ055-231100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      14          28          15          37          20
Temp             25 22 19 19 16 14 21 28 23 17 16 16 17 15 27 36 35 28 24 26 23
Dewpt            21 19 15 16 12 11 14 17 16 12 10 12 12 11 19 26 24 21 17 20 15
RH               84 88 84 88 84 88 74 63 74 80 77 84 80 84 71 67 64 75 74 78 71
Wind dir         SW SW  S  S  S  S  S  W  S  S  S  S  S  S SW SW  S  S  S  S  S
Wind spd          6  6  5  6  6  6  6  5  4  5  5  4  5  6  5  4  5  6  5  5  5
Clouds           OV OV B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     20           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow              S  S


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          33      11    25       9    27      15    34      21    37
Temp          32 29 18   11 19 25 13    9 17 27 20   15 24 33 30   21 33 36
Dewpt         22 19 14    7 11 15  7    4  9 17 14   10 17 23 24   17 25 25
PWind dir        SW      SW    SW      SW     S      SW    SW      SW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B2   B1 B1 B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B2
PoP 12hr         40      20    20      20    20      10    20      20     5
Rain                                                        S  S
Snow              C  S       S  S  S          S          S  S  S

$$
MTZ055-231100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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          24          11          29          14
Temp             21 18 14 12 10  9 19 24 22 17 17 18 15 11 23 29 27 20 17 14 16
Dewpt            18 16 12 11  9  8 16 16 19 15 15 17 14  9 20 19 21 16 13 10  6
RH               88 92 92 96 96 96 88 71 88 92 92 96 96 91 88 66 78 84 84 84 64
Wind dir         SW SW SW SW SW SW SW SW SW  S  S  S  S  S  S SW  S  S  S  S  S
Wind spd         11  9  9  9  9  9 13 14  8  6  6  5  8  8 10 10  6  6  5  5  6
Clouds           OV OV B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B2
PoP 12hr                     50          30          30          10          10
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00           T
Snow              C  C  S  C  C  C  C  C  C  C  C  C                          C
Wind chill                   -3 -4                      -1
Min chill                    -3    -5                      -1


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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       4    23       3    23      12    29      15    32
Temp          23 25 10    5 17 22  7    4 16 23 15   13 21 29 23   15 28 31
Dewpt         18 19  7    3 11 16  5    2 11 15 11   11 17 21 21   14 22 23
PWind dir         S      SW    SW      SW    SW      SW    SW      SW     S
Wind char        GN      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 OV OV   B2 B2 B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B1 B1
PoP 12hr         50      50    30      20    30      30    30      20    10
Snow           C  C  C    C  C  S  S    S  S  C  C    S  C  C  S

$$
MTZ008-231100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      14          30          19          38          24
Temp             25 21 20 17 15 14 22 30 24 19 20 20 22 20 32 38 32 26 24 24 26
Dewpt            19 17 15 12 10 10 10 16 14 10 13 13 15 15 20 22 20 18 16 17 17
RH               78 84 81 80 80 84 59 55 65 67 74 74 74 81 61 52 61 71 71 74 68
Wind dir         SW  S  S  S  S  S SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd          9  9 11 11 11 11 11 10 11 11 11 12 11 11 11 14 13 11 10 11 10
Clouds           OV B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B2 B1 B2
PoP 12hr                     20           5          10           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow              S                                                           C


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          34      13    28      11    29      19    37      24    41
Temp          34 27 19   13 25 27 15   12 22 29 22   20 31 37 29   24 37 40
Dewpt         22 16 12    7 14 14  8    6  9 17 16   14 20 24 23   19 25 27
PWind dir        SW      SW    SW      SW     S       S     S       S     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B1   B1 B1 B2 B2   SC B1 B2 B1   B1 B1 B2 B1   B1 B1 B1
PoP 12hr         50      20    40      10    20      20    20      10     5
Snow           C  C  S       C  C             S  S    S  S  S

$$
MTZ011-231100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      19          29          15          35          20
Temp             31 26 24 21 22 19 23 29 22 18 15 17 22 24 31 35 29 25 20 23 24
Dewpt            25 20 20 18 18 15 17 19 16 13 11 13 18 19 23 27 22 19 16 19 19
RH               78 78 84 88 84 84 77 66 77 80 84 84 84 81 72 72 75 78 84 84 81
Wind dir         SW SW SW SW SW SW SW SW SW  S  S  S SW SW SW SW  S  S  S SW  S
Wind spd         14 14 16 13 13 13 14 12  9  8  8  8  8  9 11 11  9  9  9 10  8
Clouds           B1 SC B1 B1 SC FW FW SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1
PoP 12hr                      0           0           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          35      16    26       5    21       9    31      19    35
Temp          32 28 16   20 23 24  8    6 13 21  9   17 27 30 19   24 33 33
Dewpt         24 22 12   16 15 18  5    2  6 16  6   12 19 22 15   20 26 24
PWind dir        SW       W     W       W     W      SE     W       E     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 SC   SC SC B1 B1   B1 SC SC B1   B1 B1 B1 B1   B2 B2 B2
PoP 12hr         10      10    10      10    10      20    10      20    10
Snow                                             S             S    S

$$
MTZ051-231100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
203 PM MST Mon Jan 22 2018

Date          Mon 01/22/18      Tue 01/23/18            Wed 01/24/18         Thu
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                      21          35          20          42          26
Temp             31 25 24 25 23 21 31 35 28 20 23 25 27 30 39 42 39 34 29 28 26
Dewpt            23 20 18 20 19 16 20 19 18 15 16 18 20 23 25 27 25 26 20 20 18
RH               72 81 77 81 84 81 63 52 66 81 74 74 74 75 57 55 57 72 69 71 71
Wind dir          W  W  W  W  W  W  W SW SW  S SW SW SW SW SW SW SW SW SW SW  S
Wind spd         11 11 12 14 14 13 13 11  9  9 10 12 13 12 12 13 11 12 11 14 12
Clouds           B2 B2 B1 B1 SC FW CL SC SC B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 SC B1
PoP 12hr                      5           0           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/25/18  Fri 01/26/18  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18
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          39      19    30      15    30      19    38      26    41
Temp          38 34 21   20 29 28 18   16 28 29 24   20 36 35 28   27 38 40
Dewpt         22 22 16   14 16 17 10   11 15 21 18   15 23 26 24   21 22 28
PWind dir        SW       W     W       W     W      SW     W      SW    SW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1   B1 SC B1 B1   B1 SC SC B1   B1 B1 B1 B2   B2 B1 B2
PoP 12hr         20      20    10      10    10      20     5      20    10
Rain                                                           S
Snow              S  S                           S             S

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



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