Point Forecast Matrices
Issued by NWS Rapid City, SD

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FOUS53 KUNR 160921
PFMUNR

Point Forecast Matrices
National Weather Service Rapid City SD
321 AM MDT Sun Aug 16 2026

SDZ026-162200-
Rapid City Regional Airport-Pennington SD
44.05N 103.06W Elev. 3204 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                      82          58          85          57          80
Temp             59 67 74 79 75 67 62 60 59 72 80 80 79 67 63 60 58 66 74 77 74
Dewpt            56 60 60 61 61 61 60 58 56 59 57 57 57 57 57 57 57 59 59 59 60
RH               90 78 62 54 62 81 93 93 90 64 45 45 47 70 81 90 96 78 59 54 62
Wind dir         NW  S  S  S SE  S  S SW  W  N  N  N NE  N NW  W NW  N  E NE SE
Wind spd          1  3  9  8  6  5  4  4  4  5  6  5  5  4  4  4  4  4  6  6  6
Wind gust              19 20 19             17 20 19 17                18 19 17
Clouds           SC SC B1 B1 SC SC FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B2 B2 B1
PoP 12hr                     40          20          20          30          40
QPF 12hr                   0.05           0        0.11        0.05        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S                 S  S  C  C  C  C  C  C  C  C  C
Tstms                   C  C  S                 S  S  C  C  C  C  C  C  C  C  C


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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      57    88      59    88      60    89
Temp          60   56 75 77 62   58 83 85 65   60 83 85 67   61 82 85
Dewpt         59   56 61 59 58   55 55 52 52   51 55 54 55   56 59 58
PWind dir           S    SE       W     S      SW    NE       S    SE
Wind char          LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    B1   B1 SC SC SC   FW FW FW FW   FW FW FW SC   FW SC FW
PoP 12hr           40    50      20    10       5     5      20    10
Rain shwrs     C    C  S  C  S                           S    S
Tstms          C    C  S  C  S                           S

$$
WYZ054-162200-
Northeast Wyoming Regional Airport-Campbell WY
44.35N 105.54W Elev. 4364 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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          57          84          58          81
Temp             55 64 76 81 80 69 63 59 58 70 79 82 82 69 63 61 59 68 75 78 78
Dewpt            53 57 55 50 50 51 52 52 52 55 52 49 47 50 51 52 52 55 53 50 49
RH               93 78 48 34 35 53 67 78 80 59 39 32 29 51 65 72 78 63 46 37 36
Wind dir          S  S  S NW  N NW SW SW SW NW  N  N  N NE SE SW  S SW NW  N  N
Wind spd          6  8  5  5  6  2  3  3  3  3  4  5  6  5  4  4  4  4  5  6  6
Wind gust              18 20 19 14 13 13 13    16 20 19 18             17 19 19
Clouds           SC SC SC SC SC B1 SC FW FW FW SC SC B2 B2 B1 B1 B2 B2 B2 B1 B1
PoP 12hr                     10          10          10          40          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  S  S  S  S  S  S  C
Tstms                                                 C  C  S  S  S  S  S  S  C


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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    83      56    88      58    90      61    91
Temp          61   56 79 81 63   58 84 86 66   60 86 88 69   62 86 88
Dewpt         53   53 51 45 48   49 45 40 44   46 47 44 49   51 52 48
PWind dir          SE    NW      SE     W      SE    SE      SE     S
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B1   B1 SC SC FW   FW FW FW FW   FW FW FW FW   SC SC FW
PoP 12hr           30    20      10     5       5     5      20    20
Rain shwrs     C          S                              S          S
Tstms          C          S                              S          S

$$
SDZ001-162200-
Buffalo-Harding SD
45.60N 103.55W Elev. 3004 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                      82          56          85          56          80
Temp             56 64 76 80 73 65 61 59 57 69 80 83 75 66 61 59 57 64 74 78 72
Dewpt            52 55 56 54 57 59 59 57 56 58 54 52 52 54 55 55 55 57 56 54 54
RH               86 73 50 41 57 81 93 93 96 68 41 34 45 65 81 87 93 78 53 43 53
Wind dir          E SE SE SE SE SE  S SW  W NW NW NW  N  N SE  E  E SE  S  E NE
Wind spd          3  6  9  8  9  8  5  4  5  6  9 11 10  6  4  4  4  4  6  6  9
Wind gust                 18 20                21 25 24                   18
Clouds           SC SC B1 B1 B1 B1 SC SC SC SC FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     40          30           5          30          20
QPF 12hr                   0.11        0.03           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  C  S                    S  S  C  C  S  S  S  S  S
Tstms                   C  C  C  S                    S  S  C  C  S  S  S  S  S


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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    84      56    90      57    88      58    89
Temp          58   54 78 77 61   57 84 84 64   57 83 82 65   59 82 82
Dewpt         56   54 57 54 56   54 51 47 51   50 52 50 52   52 55 55
PWind dir          SE    SW       S     W       W    NE       E    SE
Wind char          LT    LT      GN    GN      LT    LT      GN    GN
Avg clouds    B1   SC SC SC SC   SC SC FW FW   SC SC FW SC   SC SC FW
PoP 12hr           20    20      20     5       5     5      10    10
Rain shwrs     S    S  S  S  S
Tstms          S    S  S  S  S

$$
SDZ029-162200-
Custer County Airport-Custer SD
43.73N 103.62W Elev. 5602 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                      75          54          78          54          76
Temp             52 60 68 72 69 61 58 56 55 70 77 72 70 62 59 57 55 66 74 70 66
Dewpt            52 55 56 55 55 55 55 53 52 54 51 52 53 53 52 51 51 54 52 52 55
RH              100 84 65 55 61 81 90 90 90 57 40 49 55 72 78 80 86 65 46 53 68
Wind dir          N  S  S SW SW NE SW NW NW  N SW NE NE NE  N NW NW NW  N NE SE
Wind spd          1  2  4  4  3  2  2  3  3  2  3  3  3  3  2  2  3  3  4  4  3
Wind gust              14 17 14                16 17 16 13                16 16
Clouds           SC SC SC SC SC SC FW FW FW FW SC SC B1 B1 SC B1 B1 B1 B2 B2 B1
PoP 12hr                     30          20          20          30          40
QPF 12hr                   0.08           0        0.04        0.07        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S                 S  S  C  C  S  S  C  C  C  C  C
Tstms                   C  C  S                 S  S  C  C  S  S  C  C  C  C  C


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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            52    76      53    81      55    82      56    82
Temp          57   52 73 70 58   55 78 77 61   56 80 77 62   57 78 78
Dewpt         54   52 53 53 52   49 48 46 46   46 48 50 50   51 53 52
PWind dir          NW     W      NW     W       N     E      NE     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 SC SC SC   FW FW FW FW   FW FW FW FW   FW SC SC
PoP 12hr           40    50      30     5       5    20      20    20
Rain shwrs     C    C  S  C  C                        S  S    S     S
Tstms          C    C  S  C  C                        S  S          S

$$
SDZ013-162200-
Faith Municipal Airport-Meade SD
45.04N 102.02W Elev. 2584 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                      82          57          84          57          78
Temp             57 65 73 80 77 67 63 60 58 68 78 83 79 68 63 60 58 64 71 77 74
Dewpt            55 58 59 57 58 59 59 59 57 62 59 56 56 58 57 57 57 60 60 59 58
RH               93 78 62 45 52 75 87 96 96 81 52 40 45 70 81 90 96 87 68 54 57
Wind dir          E SE SE SE SE  E  S  S SW NW NW NW  N NE NE NE NE  E NE SE SE
Wind spd          3  4  5  5  6  8  8  6  4  6  8  6  6  4  4  4  5  5  5  6  5
Wind gust                    17                18 21 19                   17
Clouds           SC FW SC SC B1 B1 SC FW SC FW SC FW SC B1 B1 B1 B2 B1 B1 B1 B1
PoP 12hr                     20          30           5          30          20
QPF 12hr                   0.02           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  S                          C  C  S  S  S  S  S
Tstms                   S  S  C  S                          C  C  S  S  S  S  S


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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    80      56    87      58    86      59    86
Temp          60   55 74 76 62   58 80 84 65   59 81 83 66   59 79 82
Dewpt         59   55 62 59 60   58 59 53 56   55 57 54 55   55 58 57
PWind dir           S     S       S    SW       S    NE       E    SE
Wind char          LT    LT      GN    LT      LT    LT      GN    GN
Avg clouds    B1   B1 SC SC SC   SC SC FW FW   FW SC FW SC   SC SC SC
PoP 12hr           20    20      20    10       5     5      10    10
Rain shwrs     S    S  S  S  S
Tstms          S    S  S  S  S

$$
SDZ042-162200-
Pine Ridge Airport-Oglala Lakota SD
43.02N 102.51W Elev. 3333 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                      84          60          88          59          83
Temp             57 67 74 81 79 70 67 63 61 72 82 86 84 72 67 63 60 68 75 79 80
Dewpt            57 60 59 57 58 61 61 60 59 60 58 55 55 59 59 59 58 60 59 57 58
RH              100 78 59 44 49 73 81 90 93 66 44 35 37 64 75 87 93 76 58 47 47
Wind dir         SE  S  S  S  S SE  S  S SW  W  N  N NE  E  E NE  E  E  N NE NE
Wind spd          1  2  5  5  6  8  8  6  4  3  4  6  8  5  4  3  2  4  6  8  9
Wind gust                 16 17 18 20 17       14 17    17
Clouds           SC SC SC SC SC SC FW FW FW FW SC SC SC SC B1 B1 SC B1 B1 B1 B1
PoP 12hr                     30          20          10          40          30
QPF 12hr                   0.01           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S  S                          C  C  S  S  C  C  S
Tstms                   C  C  S  S                          C  C  S  S  C  C  S


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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    83      57    89      59    90      61    91
Temp          64   56 75 79 65   58 82 86 68   60 84 86 70   62 84 87
Dewpt         60   56 60 57 60   57 57 52 57   56 56 53 57   56 58 55
PWind dir          SE     S       S     W      SE    SE      SE     S
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B1   B1 B1 SC SC   FW FW FW FW   FW FW FW FW   FW SC FW
PoP 12hr           40    50      30     5       5     5      20    10
Rain shwrs     S    C  C  C  C                           S    S
Tstms          S    C  C  C  C                           S    S

$$
SDZ032-162200-
Philip Airport-Haakon SD
44.05N 101.60W Elev. 2209 ft
321 AM MDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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          59          86          59          79
Temp             61 69 75 81 78 69 64 61 60 71 80 84 83 71 65 61 60 66 72 75 77
Dewpt            60 61 60 60 62 63 61 60 60 63 62 59 60 61 60 60 59 62 63 62 63
RH               97 76 60 49 58 81 90 97100 76 54 43 46 71 84 97 96 87 73 64 62
Wind dir          E SE SE SE SE SE  S  S SW  W  N  N  N NE  N NE NE NE NE  E  E
Wind spd          2  3  5  6  9  9  6  4  4  4  5  5  5  4  3  4  4  5  6  6  5
Wind gust                                   14 17 18 17                   17
Clouds           SC SC B1 B1 SC SC SC FW SC FW SC SC SC SC B1 B1 B2 B1 B1 B2 B1
PoP 12hr                     40          20          10          30          40
QPF 12hr                   0.07        0.03           0        0.02        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S  S                    S  S  C  C  S  S  C  C  S
Tstms                   C  C  S  S                    S  S  C  C  S  S  C  C  S


Date               Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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      57    87      59    87      60    87
Temp          61   56 74 77 62   58 81 85 66   60 82 85 67   60 81 84
Dewpt         61   56 64 64 62   58 63 60 59   57 61 59 59   57 61 62
PWind dir           S     S      SW    SW       S     N       E    SE
Wind char          LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1   B1 B1 SC SC   SC SC FW FW   FW SC FW FW   SC SC SC
PoP 12hr           30    50      30     5      10     5      20    10
Rain shwrs     S    C  S  C  C    S                           S
Tstms          S    C  S  C  C                                S

$$
SDZ049-162200-
Winner Regional Airport-Tripp SD
43.39N  99.84W Elev. 2032 ft
421 AM CDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                      83          62          87          62          81
Temp             61 69 75 81 78 70 66 64 63 73 82 85 82 71 67 64 63 68 75 79 75
Dewpt            59 61 62 60 62 63 63 63 62 68 68 64 66 67 66 63 62 67 67 66 67
RH               93 76 64 49 58 78 90 97 97 84 63 50 58 87 97 97 97 97 76 64 76
Wind dir          N NE  N  N SE  S  S  S  S SW  W NW  N NE  S SW SW NE NE NE NE
Wind spd          2  3  4  4  5  8  8  9 10 11  8  8  8  5  4  4  4  5  8  8  8
Wind gust                                         19
Clouds           SC FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B1 B2 B2
PoP 12hr                      5          20          10          40          40
QPF 12hr                      0        0.01        0.01           0        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  S  S                    C  C  C  C  C  C  C
Tstms                         S  S  S  S                    C  C  C  C  C  C  C


Date          Wed 08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26
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          58    79      59    85      62    87      62    86
Temp          64 59 73 76   64 61 79 81   67 62 82 83   68 62 80 81
Dewpt         64 59 66 67   64 61 67 67   65 62 65 65   63 61 64 65
PWind dir        SE     S       S    SW       S    NE      SE    SE
Wind char        LT    LT      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B1 B1 B1   SC SC SC FW   FW FW SC FW   FW SC SC FW
PoP 12hr         30    40      50    10      10     5      20    10
Rain shwrs     C  S  C  C    C  S                           S
Tstms          C  S  C  C    C  S                           S

$$