Point Forecast Matrices
Issued by NWS Rapid City, SD

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FOUS53 KUNR 220631
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Point Forecast Matrices
National Weather Service Rapid City SD
1231 AM MDT Sat Aug 22 2026

SDZ026-231000-
Rapid City Regional Airport-Pennington SD
44.05N 103.06W Elev. 3204 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      60          86          64          93          64
Temp                      62 61 69 79 85 82 74 70 66 65 73 84 92 89 75 70 66 64
Dewpt                     58 57 57 58 57 58 58 61 63 63 65 64 62 62 63 62 59 57
RH                        87 87 66 49 39 44 57 73 90 93 76 51 37 41 66 76 78 78
Wind dir                   N  N  E SE SE SE SE SE SE SE  S SE SE NE NW NW NW NW
Wind spd                   4  3  4 11 13 14 12  9  9  9 12  8  6  8  6  5  5  4
Wind gust                          21 25 26 24 21 20 19    18 19 20
Clouds                    SC B1 SC SC B1 B1 B2 B2 B1 B1 FW SC SC SC SC FW FW FW
PoP 12hr                      5           0          20          10          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S              C  C
Tstms                                     S  S  S                 C  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          91      62    86      58    86      60    90      60    90
Temp          86 85 67   62 80 81 65   59 81 82 66   60 84 85 66   61 84 85
Dewpt         58 55 54   52 55 54 54   52 56 55 56   56 58 55 57   56 57 54
PWind dir         N      NW    NE      NW     E       S     S       S     N
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW SC   SC SC SC SC   FW FW FW SC   SC SC SC SC   SC SC FW
PoP 12hr         20      20    40      10    10      20    10      20     5
Rain shwrs        S  S    S  S  C             S  S             S
Tstms             S  S    S  S  C             S  S             S

$$
WYZ054-231000-
Northeast Wyoming Regional Airport-Campbell WY
44.35N 105.54W Elev. 4364 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      62          86          63          92          61
Temp                      63 63 73 81 85 82 75 71 67 64 76 87 92 89 74 69 65 62
Dewpt                     51 55 58 58 58 57 59 60 59 58 58 54 50 50 52 53 52 51
RH                        65 75 59 46 40 43 58 68 75 81 54 32 24 26 46 57 63 67
Wind dir                  SE SE SE SE SE  S  S SE  S  S SW NW NW NW NW  W SW  W
Wind spd                   6  6 12 17 16 16 17 16 12  9  5  6 10  8  4  4  5  6
Wind gust                       24 27 26 27 28 28 24 20 16 20 23 21
Clouds                    B2 B2 B1 B1 B2 B2 B2 B1 SC FW FW SC SC FW SC SC FW FW
PoP 12hr                      0          30          40          10          30
QPF 12hr                      0           0        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  C  C                    C  C
Tstms                               S  C  C  C                    C  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          86      59    85      58    88      60    90      59    89
Temp          82 84 66   60 81 83 65   60 84 84 67   61 86 87 67   60 84 86
Dewpt         49 43 45   48 48 45 49   51 50 45 50   50 45 41 47   47 43 38
PWind dir         N       E    NE       E    SE      SE    SW       S    NW
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC SC SC   SC FW FW SC   SC SC SC SC   SC SC SC
PoP 12hr          5      20    20      10    20      20     5      20     0
Rain shwrs           S          S             S  S             S
Tstms                S          S             S  S             S

$$
SDZ001-231000-
Buffalo-Harding SD
45.60N 103.55W Elev. 3004 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      56          87          63          92          61
Temp                      59 58 68 80 86 82 73 69 65 63 70 82 91 86 72 67 64 62
Dewpt                     52 51 52 51 50 51 53 54 54 57 62 63 61 61 63 62 60 59
RH                        78 77 57 36 29 34 49 59 68 81 76 53 37 43 73 84 87 90
Wind dir                  NE  E  E SE SE SE  E SE SE  E SE SE SE SE  E SE  S  W
Wind spd                   9  8 11 14 17 18 17 16 14 13 13 12 10 12 13  9  6  6
Wind gust                             27 28                   23 24
Clouds                    FW SC FW FW SC SC B2 B2 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                      0           0          50          40          20
QPF 12hr                      0           0        0.21        0.30           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  S  S  S  S
Tstms                                           S  S  S     S  S  S  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          90      57    88      55    88      58    90      58    90
Temp          86 85 64   57 82 83 63   56 83 83 65   59 85 84 65   59 84 83
Dewpt         54 43 47   45 45 43 49   48 49 46 52   53 55 52 56   54 54 50
PWind dir        NW      NW    NW       N     E      SE    SE      SE    NW
Wind char        GN      GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    FW FW FW   SC SC FW FW   FW FW FW FW   SC SC SC SC   SC SC SC
PoP 12hr          5       0     5       0     5      10    10      20     5
Rain shwrs                                                     S
Tstms                                                          S

$$
SDZ029-231000-
Custer County Airport-Custer SD
43.73N 103.62W Elev. 5602 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      56          78          58          86          59
Temp                      59 58 65 73 77 74 67 64 60 59 70 81 85 81 69 65 61 59
Dewpt                     53 54 55 55 55 55 57 59 58 58 60 56 54 56 56 55 52 51
RH                        80 86 70 53 47 51 70 84 93 96 71 42 35 42 63 70 72 75
Wind dir                  NE NE  E  E SE SE  E SE SW SW SW SW  W  N  N NW NW NW
Wind spd                   3  4  6  8  8  6  4  3  3  2  4  4  5  4  3  3  3  3
Wind gust                 16 16 17 19 20 19 17 16          16 18 16
Clouds                    B1 B1 B1 SC B1 B1 B2 B2 B1 B1 FW SC SC SC SC FW FW FW
PoP 12hr                      0           5          40          30          20
QPF 12hr                      0           0        0.02        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C        C  C  S  S
Tstms                                     C  C  S           C  C  S  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          84      57    78      54    78      55    82      56    83
Temp          83 76 62   57 75 72 59   55 76 74 60   56 80 78 62   57 81 78
Dewpt         49 50 48   48 51 52 50   48 50 51 51   50 48 49 50   48 45 47
PWind dir        NW       N    NE       N     E       S     S       W    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC SC   SC SC SC SC   FW FW FW SC   SC SC SC SC   SC SC SC
PoP 12hr         30      40    50      20    20      20    10      10     5
Rain shwrs        C  C    S  S  C  S          C  S
Tstms             C  C          C  S          C  S

$$
SDZ013-231000-
Faith Municipal Airport-Meade SD
45.04N 102.02W Elev. 2584 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      57          86          63          87          61
Temp                      60 59 69 78 85 81 72 67 64 63 68 78 86 83 72 67 63 62
Dewpt                     53 52 55 53 52 52 53 54 55 56 62 65 64 64 64 63 62 62
RH                        78 78 61 42 32 37 51 63 73 78 81 64 48 53 76 87 97100
Wind dir                  NE NE  E  E SE  E  E SE SE SE SE SE SE  E  E  E  E  N
Wind spd                   9  8  9 10 10 11 12 13 14 16 16 14 14 13 13 10  6  4
Wind gust                                                           24
Clouds                    FW FW FW FW SC SC B1 B2 B2 B1 B1 SC SC FW SC B1 SC SC
PoP 12hr                      0           0          20          40          20
QPF 12hr                      0           0        0.02        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  C  C  S  S
Tstms                                           S  S  S  S     C  S  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          89      60    87      57    86      59    87      60    88
Temp          83 85 67   60 81 85 64   58 80 83 65   60 82 83 66   60 81 84
Dewpt         62 56 56   51 49 48 53   51 52 50 55   56 59 58 60   58 60 56
PWind dir         N       N    NW       N     N       E    SE      SE     E
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC FW SC   SC SC FW FW   FW FW FW FW   SC SC SC SC   SC B1 SC
PoP 12hr         10      10     5       0     0      10    10      20     5
Rain shwrs                                                     S
Tstms                                                          S

$$
SDZ042-231000-
Pine Ridge Airport-Oglala Lakota SD
43.02N 102.51W Elev. 3333 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      61          86          66          96          64
Temp                      66 64 72 82 86 82 75 72 68 66 75 87 95 92 78 73 67 64
Dewpt                     62 61 62 60 57 59 62 63 62 61 63 61 56 58 62 61 60 58
RH                        87 90 71 47 37 46 64 73 81 84 66 42 27 32 58 66 78 81
Wind dir                   E  E SE SE SE SE SE SE  S  S  S  S SW  S SE  S  W NW
Wind spd                   4  4  5 11 11 12 12 11 13 16 17 12  9  8  6  3  2  2
Wind gust                       16          23 24 24          19 19 17
Clouds                    B1 B1 SC SC SC B1 B2 B2 B1 SC FW SC FW SC SC SC FW FW
PoP 12hr                     20           5          40           5          10
QPF 12hr                   0.02           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C
Tstms                                     C  C  S  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          92      62    86      58    87      60    91      61    92
Temp          88 88 70   62 82 81 66   59 83 83 68   60 86 86 69   61 86 87
Dewpt         57 55 59   56 56 56 59   56 56 54 58   57 56 53 58   55 55 53
PWind dir         N      SE    NE      SE     E      SE     S       S     W
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    FW FW SC   SC SC SC SC   SC FW FW SC   SC SC SC SC   SC SC FW
PoP 12hr          5      40    30      20    10      20    10      20     5
Rain shwrs           C    S     C  S             S          S  S
Tstms                C          C  S             S          S  S

$$
SDZ032-231000-
Philip Airport-Haakon SD
44.05N 101.60W Elev. 2209 ft
1231 AM MDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      59          87          66          90          64
Temp                      61 61 71 80 86 84 74 69 67 66 72 82 89 87 75 70 66 64
Dewpt                     56 56 57 57 56 56 56 58 60 62 65 66 65 66 66 65 63 62
RH                        84 84 61 45 36 38 53 68 78 87 79 58 45 50 74 84 90 93
Wind dir                  NE NE  E  E  E  E  E SE SE SE SE  S SE SE  E SE NW  N
Wind spd                   5  5  9 10 11 12 12 12 12 13 16 16 14 16 14 10  5  4
Wind gust                                               26 26       25
Clouds                    SC SC SC FW SC B1 B2 B2 B2 B2 SC SC SC FW SC SC SC SC
PoP 12hr                      5           0          30          20          10
QPF 12hr                      0           0        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  S  S
Tstms                                           C  C  S


Date           08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          90      63    87      58    86      60    89      61    89
Temp          84 87 69   63 80 84 66   59 81 84 66   60 83 85 67   61 83 86
Dewpt         65 62 62   57 57 56 57   55 57 56 58   58 62 61 62   60 62 61
PWind dir         N       N     N      NW    NE      SE    SE      SE     E
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW SC   SC B1 SC SC   FW FW FW FW   SC SC SC SC   SC SC SC
PoP 12hr         20      30    40      10     5      20    20      20     5
Rain shwrs        S  C    S  C                        S  S     S
Tstms             S  C    S  C                        S        S

$$
SDZ049-231000-
Winner Regional Airport-Tripp SD
43.39N  99.84W Elev. 2032 ft
131 AM CDT Sat Aug 22 2026

Date           08/21/26      Sat 08/22/26            Sun 08/23/26            Mon
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      61          85          64          83          64
Temp                      63 63 72 80 85 82 72 69 66 64 69 75 82 80 72 69 66 64
Dewpt                     60 61 60 59 58 59 59 57 58 62 66 67 67 68 67 66 65 64
RH                        90 93 66 49 40 46 64 66 75 93 90 76 61 67 84 90 97100
Wind dir                  SE SE  E  E NE  E  E SE SE SE  S  S  S SE SE  S  S  S
Wind spd                   3  3  5  6  5  8  9  9 10 11 16 18 20 20 19 16 16 12
Wind gust                                               26 28    31 32 27 26
Clouds                    SC FW FW FW SC SC B1 B1 B2 OV OV B1 B1 FW SC SC SC SC
PoP 12hr                     10           0          30          70          60
QPF 12hr                      0           0        0.04        0.23        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  L  L  C  C  L  L  C  C
Tstms                                           S  C  C  C  S  C  C  C  C


Date           08/24  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26  Fri 08/28/26
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      64    86      61    85      61    86      63    87
Temp          82 85   70 64 81 82   68 62 80 82   67 62 81 82   69 63 82 83
Dewpt         68 68   67 64 64 63   62 59 60 60   60 60 65 65   65 63 67 66
PWind dir        NW       S    NW       W     N      SE     S       S     S
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   SC SC SC SC   SC SC FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr          0      30    30      20     5      10    20      40    10
Rain shwrs             C     S  C    S                      S    C  C
Tstms                  C     S  C    S                      S    C  S

$$