Point Forecast Matrices
Issued by NWS Rapid City, SD

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657
FOUS53 KUNR 081831
PFMUNR

Point Forecast Matrices
National Weather Service Rapid City SD
1231 PM MDT Tue Sep 8 2026

SDZ026-082200-
Rapid City Regional Airport-Pennington SD
44.05N 103.06W Elev. 3204 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      83          52          80          50          91
Temp                      82 76 65 59 55 52 60 72 79 74 62 57 53 50 64 84 91 86
Dewpt                     39 42 42 41 44 43 45 43 42 41 42 42 42 41 44 41 32 32
RH                        22 30 43 51 66 71 58 35 27 30 48 57 66 71 48 22 12 14
Wind dir                  NE NE  N NW NW NW NW NW  N  N SE SW SW SW  S  S  S SW
Wind spd                  10 10  5 10 12 10 10  6  6  6  3  5  5  5  4 11 14 11
Wind gust                          20 28 24 23 19 19                   23 28 23
Clouds                    FW FW FW FW CL FW CL CL FW FW FW FW CL FW CL CL FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            56    90      48    70      46    69      46    71
Temp          60   57 84 74 55   48 64 66 53   48 62 63 52   47 65 66
Dewpt         32   27 37 42 43   43 44 42 44   47 52 52 49   47 46 43
PWind dir          SW    NW       N    NE       E     E      NE     N
Wind char          LT    BZ      WY    GN      GN    BZ      BZ    BZ
Avg clouds    FW   FW FW SC SC   SC SC SC SC   B1 B2 B1 B1   B1 B1 SC
PoP 12hr            0     0      10     5      60    60      60    20
Rain shwrs                                 C    L  L  C  L    C  S
Tstms                                           S     S  S

$$
WYZ054-082200-
Northeast Wyoming Regional Airport-Campbell WY
44.35N 105.54W Elev. 4364 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      78          46          78          49          89
Temp                      75 74 63 56 51 48 56 69 75 76 62 56 53 50 64 82 87 86
Dewpt                     31 29 31 36 38 38 39 37 33 30 29 28 29 29 29 23 20 19
RH                        20 19 30 47 61 68 53 31 21 18 28 34 39 44 27 11  8  8
Wind dir                  NW  N  N NW NW  W  W  W  W  N  E  S  S  S  S SW SW SW
Wind spd                   6 10 12  9  4  3  5  6  3  8  3  5  8  9 10  8  5  4
Wind gust                    20 24 20          17 16 18                19 18 17
Clouds                    FW CL SC FW FW FW CL FW FW FW FW FW FW FW CL CL CL CL
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            55    81      42    69      45    70      41    67
Temp          61   57 76 67 49   45 63 67 53   49 65 65 50   45 62 65
Dewpt         20   21 35 40 38   36 39 39 39   41 46 44 41   37 39 34
PWind dir           W    NW       N    SE       E     S      NW    NW
Wind char          LT    BZ      GN    GN      GN    BZ      BZ    GN
Avg clouds    FW   FW FW FW FW   SC SC SC B1   B1 B2 B1 SC   SC SC FW
PoP 12hr            0     0      20    10      60    50      40    10
Rain shwrs                   S             C    L  C  C  C    S
Tstms                                      S

$$
SDZ001-082200-
Buffalo-Harding SD
45.60N 103.55W Elev. 3004 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      79          50          79          48          90
Temp                      79 71 61 57 53 50 57 72 78 73 59 54 51 49 62 85 90 86
Dewpt                     38 38 43 47 48 45 46 43 39 36 39 39 38 36 39 36 30 34
RH                        23 30 51 69 83 83 67 35 25 26 47 57 61 61 43 17 12 16
Wind dir                   W NW NW NW  W  W  W  W  W  W SW  S  S SW SW SW  W  W
Wind spd                  25 18 13 12 12 13 16 17 16 13  3  5  6  5  6 14 14  9
Wind gust                 36 28       26       27 27 24                25 26
Clouds                    FW FW SC B1 FW FW FW CL FW FW FW FW CL FW CL CL CL FW
PoP 12hr                      0          20           0           0           0
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  S  S


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            53    83      43    68      43    65      42    68
Temp          60   53 79 68 50   45 64 65 50   44 60 60 50   44 63 63
Dewpt         35   35 41 41 43   42 40 37 41   42 45 46 48   44 42 39
PWind dir           E    NW      NW     N       E     E       E    NW
Wind char          LT    BZ      BZ    GN      BZ    WY      BZ    WY
Avg clouds    FW   FW FW SC SC   SC B1 SC B1   B2 B2 B1 B2   B1 B1 SC
PoP 12hr            0     0      30     5      50    50      70    20
Rain shwrs                   C    S        S    C  C  C  L    C  S  S
Tstms                                           S

$$
SDZ029-082200-
Custer County Airport-Custer SD
43.73N 103.62W Elev. 5602 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      77          48          73          48          81
Temp                      74 71 60 55 51 48 57 68 71 70 57 53 50 49 64 77 80 78
Dewpt                     35 30 34 35 36 35 36 34 32 30 33 34 34 35 36 29 24 25
RH                        24 22 37 47 56 60 45 28 24 22 40 48 54 58 35 17 13 14
Wind dir                   W NW NE  N  N NW NW  W  W NW NE NW  W NW  W SW SW SW
Wind spd                   9  5  5  6  6  4  3  8  9  3  2  1  2  2  3  8  9  3
Wind gust                 19       20 23    13 19 21 13                20 24 13
Clouds                    FW CL FW FW FW FW CL CL FW CL FW CL FW FW CL CL CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            53    81      44    63      42    63      42    63
Temp          59   54 78 71 52   44 59 60 49   44 58 59 49   44 60 61
Dewpt         20   20 31 36 37   38 39 37 39   42 46 44 43   41 39 33
PWind dir           W     W       N    SE       E     E       N     W
Wind char          LT    GN      GN    LT      GN    GN      LT    GN
Avg clouds    FW   FW FW SC SC   SC SC SC SC   B1 B2 B1 B1   B1 B1 FW
PoP 12hr            0     0      10    10      60    50      60    20
Rain shwrs                                 C    L  C  C  L    C  S
Tstms                                                 S  S

$$
SDZ013-082200-
Faith Municipal Airport-Meade SD
45.04N 102.02W Elev. 2584 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      83          52          79          50          90
Temp                      83 77 64 59 55 52 59 71 77 76 62 56 52 50 62 83 89 87
Dewpt                     35 38 41 44 47 45 47 44 42 39 41 40 40 41 44 41 37 40
RH                        18 24 43 57 74 77 64 38 29 26 46 55 63 71 52 23 16 19
Wind dir                   W NW NW NW NW NW NW NW NW NW SE  S  S  S  S  S  S  S
Wind spd                  19 12  8  9 11 13 17 16 13  9  2  5  6  6  6 11  9  6
Wind gust                 29       19 21 24       24                      19
Clouds                    FW FW FW SC FW FW CL CL FW FW FW FW CL FW CL CL CL CL
PoP 12hr                      0          10           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            54    88      47    69      45    65      45    69
Temp          62   54 82 75 53   48 65 66 52   47 60 62 51   47 64 65
Dewpt         43   42 42 42 45   42 41 38 42   44 46 47 50   47 44 42
PWind dir          SE    NW      NW     N       E     E       E    NW
Wind char          LT    GN      BZ    GN      GN    BZ      BZ    BZ
Avg clouds    FW   FW FW FW SC   SC SC SC B1   B1 B2 B1 B2   B1 B1 SC
PoP 12hr            0     0      10     0      60    50      70    20
Rain shwrs                                      L  C  C  L    L  S
Tstms                                           S        S

$$
SDZ042-082200-
Pine Ridge Airport-Oglala Lakota SD
43.02N 102.51W Elev. 3333 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      83          52          81          50          92
Temp                      83 80 68 61 56 52 61 73 80 78 63 58 54 51 65 84 91 88
Dewpt                     38 37 42 45 46 43 44 40 35 32 38 40 45 47 49 41 29 29
RH                        20 21 39 56 69 71 53 30 20 19 39 51 71 86 56 22 11 12
Wind dir                   W NW  E NE  N  N  N NW  W  W SE  S  S  S SW SW SW SW
Wind spd                   5  5  6  5  8  8  6  5  4  5  5  6  8  9 11 10 10  5
Wind gust                             18 18                   18
Clouds                    FW FW FW FW FW FW FW CL FW FW CL CL CL FW CL CL CL FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            58    93      48    74      47    75      46    74
Temp          67   59 88 81 59   48 68 70 56   50 69 69 55   48 68 70
Dewpt         37   27 32 36 42   42 40 36 44   49 49 48 51   48 43 37
PWind dir           S     W       N     E      SE    SE      SE    NW
Wind char          GN    BZ      GN    GN      GN    BZ      BZ    GN
Avg clouds    FW   FW FW SC SC   SC FW SC SC   B1 B1 SC B1   B1 B1 SC
PoP 12hr            0     0      10     5      70    50      70    20
Rain shwrs                                 C    L  C  C  L    C  S
Tstms                                           S     S  S

$$
SDZ032-082200-
Philip Airport-Haakon SD
44.05N 101.60W Elev. 2209 ft
1231 PM MDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      86          53          81          50          92
Temp                      86 82 68 60 56 54 61 72 79 79 64 57 52 50 64 84 91 90
Dewpt                     38 41 44 43 44 45 47 45 42 40 43 43 43 43 49 49 43 42
RH                        18 23 42 53 64 71 60 38 27 25 46 59 71 77 58 30 19 19
Wind dir                  NW NW  N NW NW NW NW NW NW NW SE  S  S  S SW  S  S  S
Wind spd                  10  8  5  4  9  9 14 13 11  6  2  4  6  6 10  9 10  6
Wind gust                             20          21
Clouds                    FW FW FW FW SC FW FW CL FW FW FW CL FW FW CL CL CL CL
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            56    92      50    73      46    69      46    72
Temp          63   56 85 83 58   50 66 71 55   48 62 66 53   48 66 69
Dewpt         45   36 40 42 45   43 42 40 43   47 51 51 52   48 47 44
PWind dir           S     W       N     N       E     E       E    NW
Wind char          LT    BZ      BZ    GN      GN    BZ      BZ    BZ
Avg clouds    FW   FW FW FW SC   SC SC SC SC   B2 B2 B1 B1   B2 B1 SC
PoP 12hr            0     0       5     5      60    50      70    20
Rain shwrs                                      L  C  C  L    L  S
Tstms                                                 S  S

$$
SDZ049-082200-
Winner Regional Airport-Tripp SD
43.39N  99.84W Elev. 2032 ft
131 PM CDT Tue Sep 8 2026

Date             Tue 09/08/26            Wed 09/09/26            Thu 09/10/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      85          57          80          53          89
Temp                      85 80 69 64 59 57 64 74 79 78 65 59 55 54 65 82 88 86
Dewpt                     44 50 50 50 49 48 50 49 47 46 48 48 47 47 51 55 56 58
RH                        24 35 51 60 69 72 60 41 32 32 54 67 74 77 60 40 34 39
Wind dir                  NW NW  S SW NW NW NW NW NW NW  S  S  S  S  S  S  S  S
Wind spd                  11  6  4  3  5  8 13 14 13  9  3  6  9 11 17 21 21 21
Wind gust                                         24                   32 32 33
Clouds                    SC FW CL FW FW FW SC CL CL CL FW FW FW FW CL CL CL CL
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Tstms


Date          Fri 09/11/26  Sat 09/12/26  Sun 09/13/26  Mon 09/14/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          67    95      55    74      51    68      51    70
Temp          73 68 89 85   66 56 68 71   57 52 63 65   57 54 65 67
Dewpt         57 58 45 46   51 46 45 44   47 49 53 55   56 54 52 50
PWind dir         S    SW       N     N       E     E       E    NW
Wind char        WY    BZ      BZ    BZ      GN    BZ      BZ    BZ
Avg clouds    FW FW FW FW   FW SC SC FW   SC B1 B2 B1   B1 B2 B2 B1
PoP 12hr          0     0       5     5      50    60      70    30
Rain shwrs                                    C  L  S    L  L  C
Tstms                                            S  S    C  S

$$