Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
313 AM MST Wed Jan 24 2018

MTZ012-242300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      46          32          42          24          37
Temp             33 35 41 46 42 37 36 35 35 32 41 41 34 26 25 25 25 25 36 36 32
Dewpt            24 26 26 25 27 24 24 23 25 24 29 23 21 15 15 13 16 17 23 20 20
RH               69 69 55 43 55 59 61 61 66 72 62 48 58 62 65 60 68 71 59 52 61
Wind dir          S  S SW SW  S  S  S  S  S SW SW SW SW SW SW SW SW SW SW  W  W
Wind spd         17 16 29 29 26 26 24 21 24 24 16 18 16 14 17 19 16 17 18 19 17
Wind gust              41 41 36 36
Clouds           B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B2 B1 B2
PoP 12hr                      5           0          20          10          20
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                            S  S                    S  S  S


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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            17    29      21    39      30    50      29    34
Temp          24   17 27 23 22   26 35 39 30   34 49 46 36   29 33 22
Dewpt         15   10 14 13 14   19 26 26 24   26 32 32 26   20 18 11
PWind dir           W    SW       S    SW       S    SW      SW    SW
Wind char          BZ    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B2   B1 B1 B1 B2   B2 B2 B2 B2   B2 B1 B1 B2   B1 B1 B2
PoP 12hr           20    20      20    30      20    10      10    30
Rain                                    C  S
Snow           S          S  S       C  C  S                     C  S

$$
MTZ010-242300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      41          25          37          19          31
Temp             25 25 34 41 36 31 28 27 27 25 35 36 30 24 23 23 23 19 29 30 26
Dewpt            20 20 24 30 31 26 23 24 24 22 26 22 22 17 16 17 18 15 19 18 19
RH               81 81 66 65 82 81 81 88 88 88 69 56 72 74 74 77 81 84 66 60 74
Wind dir          S SW SW  S  S  S  S  S  S SW  W  W  W  W  W  W  W  W  W  W  W
Wind spd          6  9 18 19 18 13 12 11 12 16 16 23 19 16 13 16 14 12 13 18 14
Wind gust                                         34
Clouds           OV OV B1 B2 B2 B1 SC SC B1 B1 B1 SC FW SC SC SC B1 B1 B1 B1 B1
PoP 12hr                     10           5          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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             9    24      13    31      24    45      25    29
Temp          16   10 15 24 14   15 24 31 25   36 43 44 36   30 23 15
Dewpt         11    7  6 18  9   12 16 25 22   31 30 36 29   25 12 10
PWind dir          NW     E       S    NW       S    SW      SW     W
Wind char          GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B1 B1 B1   B1 B2 B1
PoP 12hr           10    20      30    40      30    10      20    30
Rain                                                          S
Snow                      S  C    S  C  C  C                  S  C  S

$$
MTZ014-242300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      41          20          32          14          33
Temp             19 17 32 40 40 36 29 26 21 21 28 32 27 22 19 15 14 16 26 33 30
Dewpt            15 12 23 23 23 25 20 19 16 18 22 20 17 14 12  9  9 13 18 21 20
RH               84 80 69 50 50 64 69 74 81 88 78 61 65 71 74 77 80 88 71 61 66
Wind dir          S  S  S  S  S  S  S SE  S  S SW  W SW SW SW SW  S SW SW  W  W
Wind spd          5  5  9 12 11 11  9 10  8  5  4  8  6  5  4  5  4  5  4 10  8
Clouds           B1 B1 B1 SC B1 SC SC B1 B1 B2 B2 B2 SC SC SC B1 B1 B1 B1 B2 B2
PoP 12hr                      5           5          30          10          20
QPF 12hr                      0           0        0.02           0        0.01
Snow 12hr                 00-00       00-00           T
Snow                                      C  C  S  S              S  S  S  S  S


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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            11    29      18    36      22    45      22    32
Temp          16   11 18 28 25   18 28 36 29   22 36 45 33   22 30 30
Dewpt         11    6  9 18 20   14 21 26 24   17 27 33 27   18 21 19
PWind dir          SW     S       S     S      SW     S      SW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   B2 B2 B2
PoP 12hr           20    20      20    30      20     5      10    40
Rain                                    C  S
Snow           S    S  S  S  S       C  C  S                     C  C

$$
MTZ055-242300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      39          20          34          11          31
Temp             13 13 28 39 37 31 25 25 23 20 32 33 26 16 14 13 12 12 21 31 27
Dewpt             9  9 19 24 21 20 16 15 14 16 24 22 18 10  8  8  7  9 13 21 18
RH               84 84 68 54 52 63 68 65 68 84 72 63 71 77 76 80 80 87 71 66 68
Wind dir          S SE  S  S  S  S  S SE  S SE SW  W SW  S SW  S SW SW SW  W  W
Wind spd          5  4  6  6  9  9  9  9  8  8  4  5  5  6  5  5  5  5  5  8  6
Clouds           B1 B2 B1 B1 B1 FW SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2
PoP 12hr                      5           0          40          10          40
QPF 12hr                      0           0        0.03           0        0.02
Snow 12hr                 00-00       00-00           T
Snow                                      S  S  C  C              S  S  C  C  C


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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             9    29      17    38      23    45      24    34
Temp          13    9 17 29 19   19 28 38 27   24 37 45 29   25 34 29
Dewpt          8    4  8 19 14   15 23 28 22   19 29 34 22   21 26 19
PWind dir          SW     S       S    SW      SW    SW       S    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B2   B2 B2 B2 B2   B2 OV OV B2   B1 B1 B1 B2   B2 B2 B2
PoP 12hr           30    20      20    30      20     5      10    40
Rain                                    C  S                     C
Snow           C    S  S  S  S    S  C  C  S                     C  C

$$
MTZ055-242300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      32          16          28           5          23
Temp             17 14 26 32 29 18 16 18 18 18 23 28 25 14 12  9  8  5 17 23 22
Dewpt            16 13 22 20 24 16 14 16  9 16 22 18 19 10 10  7  7  4 14 16 18
RH               96 96 85 61 81 92 92 92 67 92 96 66 78 84 91 91 96 95 88 74 84
Wind dir         SW  S  S SW  S  S  S  S  S  S  S SW SW SW SW SW SW SW SW SW SW
Wind spd          6  4 10 11  9  5  6  6  9 12 12 12  9  6  4  6  6  9 10 12  9
Clouds           B2 B2 SC SC SC FW SC B1 B2 OV OV B2 B2 B1 B2 B2 B2 B2 B2 B2 OV
PoP 12hr                     30          10          70          40          50
QPF 12hr                   0.01           0        0.16        0.03        0.05
Snow 12hr                     T       00-00           3
Snow              C  C  S                 C  C  L  L  C  C  C  C  C  C  C  C  C
Wind chill                                                    -2 -3 -9
Min chill                                                        -3    -9


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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    22      14    30      18    34      17    30
Temp           8    4 16 22 17   15 24 30 22   18 28 34 21   17 26 28
Dewpt          7    2 10 16 13   14 21 23 20   16 22 25 19   15 20 18
PWind dir          SW    SW      SW    SW      SW     S      SW    SW
Wind char          LT    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B2   B2 B2 OV OV   OV OV OV B2   B2 B2 B2 B2   B2 B2 OV
PoP 12hr           40    40      40    40      20    10      20    30
Snow           C    C  C  C  C    C  C  C  S                  S  C  C

$$
MTZ008-242300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      38          23          34          13          30
Temp             11 11 27 38 33 25 23 23 25 25 33 33 27 19 18 16 14 14 24 30 24
Dewpt             5  6 13 20 17 14 14 15 16 20 23 17 13  8  9  8  6 10 12 17 13
RH               76 80 55 48 51 62 68 71 68 81 66 51 55 61 67 70 70 84 60 58 62
Wind dir          S  S  S  S  S  S  S  S  S  S SW SW SW  S  S  S  S  S SW SW SW
Wind spd         12 11 18 23 23 19 14 13 13 16 10 13 10  9  9 10  9 10  9 14 11
Wind gust                                                                 25
Clouds           B1 B1 B1 SC B1 B1 SC B1 B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2
PoP 12hr                      5           5          40          20          30
QPF 12hr                      0           0        0.02           0        0.02
Snow 12hr                 00-00       00-00           T
Snow                                      C  C  C  C        S  S  C  C  C  C  S
Wind chill       -4 -3
Min chill        -4    -6


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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            11    29      21    40      27    46      26    38
Temp          16   11 22 29 21   26 36 39 30   28 40 45 31   27 38 31
Dewpt         10    5 10 18 16   19 26 27 25   21 28 32 25   19 24 18
PWind dir          SW     S       S     S       S     S       S    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1 B2   B2 B2 B2
PoP 12hr           20    20      20    30      10     5      10    40
Rain                                    S
Snow           S    S  S  S  S    S  C  S                        S  C

$$
MTZ011-242300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      37          21          36          16          29
Temp             19 20 31 37 31 24 21 21 23 23 29 36 31 24 19 19 21 16 26 29 24
Dewpt            15 16 22 27 23 16 17 17 19 17 21 28 24 18 14 14 17 12 19 22 18
RH               84 84 69 67 72 71 84 84 84 77 72 72 75 77 80 80 84 84 74 75 77
Wind dir         SW SW SW SW  S  S  S SW  S SW SW SW  W SW SW SW  W  W  W  W  W
Wind spd          5  6 12 14 12 13 13 12 11 10 10 13 14 16 16 14 12 13 12 13 10
Clouds           B2 B2 B1 B1 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1
PoP 12hr                      5           5          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          S


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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    17       5    24      14    41      23    28
Temp           9    7  7 17  7    8 20 23 14   24 37 40 31   26 25 18
Dewpt          6    3  0 11  4    5 13 18 11   20 29 32 26   21 17 11
PWind dir           W    NW       E    NE      SE    SW      SW     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   B1 B1 B1 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr           20    10      30    30      40    20      10    20
Rain                                               S
Snow           S    S        S    C  S  C  C    C  S             S  S

$$
MTZ051-242300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
313 AM MST Wed Jan 24 2018

Date                Wed 01/24/18            Thu 01/25/18            Fri 01/26/18
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                      42          25          39          19          34
Temp             29 31 40 42 39 34 31 28 26 26 37 38 32 24 20 19 21 21 32 33 29
Dewpt            22 25 24 26 25 28 22 21 18 20 23 26 23 20 14 14 15 16 20 21 18
RH               75 78 52 53 57 78 69 75 71 78 56 62 69 84 77 80 77 81 61 61 63
Wind dir         SW SW SW SW SW  S  S  S  S  S SW  W  W  W  W SW  W SW  W  W  W
Wind spd         14 14 21 21 19 19 18 16 17 16  9 11 10 11 11 16 14 13 13 14 12
Wind gust                                                                 25
Clouds           B1 B1 B1 B2 B2 B1 B1 B1 B1 SC B1 B2 B2 SC SC SC SC B1 B1 B1 B1
PoP 12hr                      5           0          20          10          20
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                            S  S                    S  S  S


Date               Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
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            14    28      18    37      25    48      27    34
Temp          20   14 27 23 18   23 36 32 29   27 44 46 34   27 34 25
Dewpt         14   10 15 15 13   19 26 28 25   23 29 33 26   21 20 17
PWind dir           W    SW       S     W      SW    SW      SW     W
Wind char          GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1   B1 SC B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr           20    10      20    40      30    10      10    30
Rain                                    C                        S
Snow           S    S        S    S  S  C  C    S                S  C

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



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