Point Forecast Matrices
Issued by NWS Rapid City, SD

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FOUS53 KUNR 191241
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Point Forecast Matrices
National Weather Service Rapid City SD
641 AM MDT Sat Sep 19 2026

SDZ026-192200-
Rapid City Regional Airport-Pennington SD
44.05N 103.06W Elev. 3204 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      67          50          59          46          63
Temp                64 64 66 62 57 56 56 54 56 57 57 56 53 52 51 48 53 58 63 60
Dewpt               63 62 60 60 57 56 56 54 56 57 57 55 53 52 51 48 53 55 55 54
RH                  97 93 81 93100100100100100100100 96100100100100100 90 75 81
Wind dir             E  E  E NE  E  E  E  E  E  E  E  E  E  E NE NE  E  E  E SE
Wind spd             4  8  9 10  9  8  8  9 11 12 12 10  9  8  5  5  5  6 10 12
Wind gust                 20 23 19 18 18    23 25 25 23 20             17 23 25
Clouds              OV OV OV B2 OV OV OV B2 B2 B2 OV OV OV OV OV OV OV B2 B1 B1
PoP 12hr                     40          70          80         100          40
QPF 12hr                   0.02        0.32        0.44        0.40        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  C  L  L  L  L  D  D  D  D  D  D  L  L  C  C  S  S  S
Tstms                S  S  C  S                 S  C  S
Obvis               PF


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            46    72      51    78      52    80      53    80
Temp          52   48 67 69 57   53 72 73 58   54 74 75 59   53 75 76
Dewpt         52   48 57 58 55   53 58 58 54   51 56 56 53   51 56 55
PWind dir          SE     S       S     S       S     S       S    SE
Wind char          GN    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    B1   B1 B1 SC SC   SC SC SC B1   B1 SC FW FW   SC SC SC
PoP 12hr           20     5      10    20      30    10       5     5
Rain shwrs     S                        S  C
Tstms                                   S  S

$$
WYZ054-192200-
Northeast Wyoming Regional Airport-Campbell WY
44.35N 105.54W Elev. 4364 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      70          48          61          45          68
Temp                54 62 68 65 58 55 55 53 55 58 59 59 53 51 49 48 55 62 67 66
Dewpt               52 54 55 56 56 54 52 52 52 51 51 51 52 51 48 48 50 50 48 47
RH                  93 75 63 73 93 96 90 96 90 77 75 75 96100 96100 83 65 50 50
Wind dir            SW NW  N  N  N  S SW SW  W  N  N  N NW SW SW  S  S  S SE SE
Wind spd             5  6  9 10  8  6  6  6  6 10 11  6  4  3  3  3  4  5  6  9
Wind gust                 20 23 19 18 18 17 18 20 24 21                16 19 21
Clouds              OV B2 OV B2 B2 B2 OV B2 B2 OV OV OV OV B2 B2 B2 B1 SC FW FW
PoP 12hr                     50          80          80          70          10
QPF 12hr                   0.11        0.45        0.33        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S     C  D  D  D  D  D  D  L  L  L  L  S  S
Tstms                S     C  C  C  S  S        S  S  S


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            45    75      51    78      50    81      52    82
Temp          53   48 69 73 59   55 73 74 59   54 77 78 61   54 76 78
Dewpt         49   48 50 47 51   49 49 47 48   44 45 42 45   44 46 42
PWind dir          SE     S      SE     S       S     S      SE     S
Wind char          BZ    GN      GN    GN      LT    LT      GN    BZ
Avg clouds    FW   FW FW FW FW   SC SC SC SC   FW SC FW FW   FW SC SC
PoP 12hr            0     0      20    10      10     0       5     0
Rain shwrs                        S

$$
SDZ001-192200-
Buffalo-Harding SD
45.60N 103.55W Elev. 3004 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      65          49          59          46          65
Temp                61 64 65 60 56 56 55 53 55 57 58 56 52 52 50 48 54 62 65 60
Dewpt               60 59 56 57 56 56 55 53 55 55 53 54 52 52 50 48 53 52 50 50
RH                  97 84 73 90100100100100100 93 83 93100100100100 96 70 58 69
Wind dir             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE
Wind spd             8 11 13 14 14 13 13 14 16 16 17 16 13 11 11 10 11 16 19 19
Wind gust              21 25 27             28 29 31 27             21 26 31 32
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1
PoP 12hr                     50          70          80          80           5
QPF 12hr                   0.02        0.19        0.41        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  L  L  L  L  D  D  D  D  D  D  C  C
Tstms                S  C  C


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            46    72      50    78      52    80      53    80
Temp          51   47 68 68 55   52 73 73 57   53 75 75 58   54 76 75
Dewpt         51   47 54 54 55   52 56 55 56   53 55 52 54   52 54 52
PWind dir          SE    SE      SE    SE      SE    SE      SE    SE
Wind char          BZ    BZ      BZ    GN      GN    LT      GN    BZ
Avg clouds    B1   B2 B1 SC SC   SC B1 SC SC   SC SC FW FW   SC B1 SC
PoP 12hr            5     0       5    20      20     5       5     5
Rain shwrs                              S  S
Tstms                                   S  S

$$
SDZ029-192200-
Custer County Airport-Custer SD
43.73N 103.62W Elev. 5602 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      62          46          54          42          56
Temp                58 60 61 56 53 52 51 50 52 52 53 52 48 48 46 43 49 53 56 54
Dewpt               57 56 56 55 52 52 51 50 52 52 51 50 48 47 46 43 49 49 49 48
RH                  96 87 84 96 96100100100100100 93 93100 96100100100 86 77 80
Wind dir             E SE SE  E  E  E  E  E  E  E  E  E  E NE NE NE  E  E  E  E
Wind spd             3  5  5  8  6  5  5  4  5  6  5  4  5  3  2  2  2  4  5  6
Wind gust                 18 18 18 17          17 18 17 17                18 18
Clouds              B2 OV OV B2 OV OV OV B2 B2 OV OV OV OV OV OV OV B2 B2 B2 B1
PoP 12hr                     60          90          90          90          40
QPF 12hr                   0.11        0.52        0.75        0.30        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  L  L  D  D  D  D  D  D  D  D  L  L  C  C  C  C  C
Tstms                S  C  C  C  S        S  S  C  C  S
Obvis               PF


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            43    64      48    70      49    73      50    73
Temp          49   45 60 62 54   50 67 66 55   51 71 68 56   51 71 69
Dewpt         47   45 52 51 50   50 52 50 47   45 47 47 46   46 48 47
PWind dir          SE     S       S     S      SW    SW       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 SC FW   SC B1 SC B1   SC SC FW FW   FW SC SC
PoP 12hr           30    10      20    20      30    10       5    10
Rain shwrs     C             S    S  S  S  C
Tstms                                   S  S

$$
SDZ013-192200-
Faith Municipal Airport-Meade SD
45.04N 102.02W Elev. 2584 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      66          49          60          47          64
Temp                62 64 65 63 57 56 55 53 55 57 58 57 53 52 51 48 54 60 63 61
Dewpt               59 59 57 55 57 56 55 53 55 56 55 53 53 52 51 48 52 53 52 50
RH                  90 84 75 75100100100100100 96 90 86100100100100 93 78 67 67
Wind dir            NE NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE SE
Wind spd             6  9 10 10 10 10 11 12 13 14 13 11 11 10 10 10 10 11 12 12
Wind gust                 20 20 20          24 26 25 21                   23 23
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
PoP 12hr                     30          60          80          90          20
QPF 12hr                      0        0.09        0.36        0.04        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  S  C  C  L  L  D  D  D  D  D  D  D  D  S  S
Tstms                   C  S
Obvis               PF


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            45    70      50    76      52    78      53    79
Temp          50   46 65 67 54   52 71 72 56   53 73 74 58   53 73 75
Dewpt         50   46 55 53 53   52 58 56 56   53 58 55 56   53 58 54
PWind dir          SE    SE      SE    SE      SE    SE      SE    SE
Wind char          GN    BZ      BZ    BZ      GN    GN      GN    BZ
Avg clouds    B1   B1 B2 B1 B1   SC SC SC SC   B1 B1 SC SC   SC B1 SC
PoP 12hr           10     5      10    10      30    10       5     5
Rain shwrs                                 C
Tstms                                      C

$$
SDZ042-192200-
Pine Ridge Airport-Oglala Lakota SD
43.02N 102.51W Elev. 3333 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      70          50          64          46          65
Temp                63 67 70 65 57 56 55 54 56 61 62 59 54 52 51 48 53 62 65 63
Dewpt               60 59 58 58 57 56 55 54 56 56 56 55 54 52 51 48 53 53 52 51
RH                  90 75 66 78100100100100100 84 81 87100100100100100 72 63 65
Wind dir            NE NE NE  E  E  E  E  E  E  E  E  E  E SE  S  N NE NE  E  E
Wind spd             4  6  9 11  9  8  6  6  9 10 10  9  8  4  3  3  4  6  9 11
Wind gust                       19    17 17
Clouds              OV B2 B1 B2 B2 OV OV OV B2 B2 B2 OV OV OV OV B2 B2 B1 SC SC
PoP 12hr                     60          70          90          90          40
QPF 12hr                   0.02        0.31        0.58        0.12        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  L  L  L  L  D  D  D  D  D  D  L  L  C  C  C  C
Tstms                      C  S              S  C  C  C
Obvis               PF


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            46    71      52    77      53    79      53    80
Temp          51   50 68 67 57   54 73 72 59   54 75 75 60   54 76 76
Dewpt         51   50 55 55 53   53 56 55 54   54 55 54 53   53 55 53
PWind dir          SE     S       S     S       S     S      SE     S
Wind char          GN    BZ      BZ    BZ      GN    LT      LT    GN
Avg clouds    SC   SC SC SC SC   SC SC SC B1   B1 B1 SC SC   SC SC SC
PoP 12hr            5    20      10    20      20    10       5     5
Rain shwrs             S             S  S  S
Tstms                                   S  S

$$
SDZ032-192200-
Philip Airport-Haakon SD
44.05N 101.60W Elev. 2209 ft
641 AM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      67          48          61          45          64
Temp                66 65 67 65 57 57 55 53 54 57 59 59 54 52 51 47 53 59 64 62
Dewpt               63 62 60 59 57 57 55 53 54 57 57 55 54 52 51 47 53 55 54 52
RH                  90 90 78 81100100100100100100 93 87100100100100100 87 70 70
Wind dir            NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd             6  9 10 12 10  9 10 11 12 13 13 12 12 10 10  9 10 11 12 13
Wind gust                                   23 24 25 23                   23
Clouds              OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1
PoP 12hr                     30          70          80          90          30
QPF 12hr                      0        0.06        0.40        0.25        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  L  L  L  L  D  D  D  D  D  D  D  D  C  C
Tstms                      S                          S


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            43    71      49    78      51    79      51    80
Temp          50   45 67 69 55   52 72 74 57   53 74 76 58   52 75 77
Dewpt         50   45 56 55 53   52 59 58 56   53 59 57 56   52 59 56
PWind dir          SE    SE      SE    SE      SE    SE      SE    SE
Wind char          GN    BZ      BZ    BZ      GN    LT      GN    GN
Avg clouds    B1   B1 B1 SC SC   SC SC SC SC   B1 B1 SC SC   SC B1 SC
PoP 12hr            5    10      20    20      30    10       5     5
Rain shwrs                   S          S  C
Tstms                        S          S  S

$$
SDZ049-192200-
Winner Regional Airport-Tripp SD
43.39N  99.84W Elev. 2032 ft
741 AM CDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      67          52          62          48          62
Temp                64 63 64 66 60 58 57 55 56 58 60 60 56 54 52 50 54 57 60 61
Dewpt               64 63 62 62 60 58 57 55 56 57 57 57 56 54 52 50 54 54 54 54
RH                 100100 93 87100100100100100 96 90 90100100100100100 90 81 78
Wind dir             N  N  N NE NE NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd             8 10 10 11 10  8  9 10 11 11 11 10 10  9  9  9 10 11 12 11
Wind gust                                      23 21
Clouds              OV OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 B2 B2 B1
PoP 12hr                     20          40          60          90          60
QPF 12hr                      0        0.01        0.11        0.22        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  C  C  L  L  D  D  D  D  L  L
Tstms
Obvis               PF


Date          Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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          45    67      49    72      53    76      54    77
Temp          49 48 62 65   52 51 66 69   56 55 70 72   58 55 72 73
Dewpt         49 48 53 55   52 51 57 59   56 55 60 61   58 55 60 60
PWind dir        SE    SE      SE     S       S     S      SE    SE
Wind char        GN    BZ      BZ    BZ      BZ    GN      GN    BZ
Avg clouds    B1 B1 B1 B1   SC SC B1 SC   B1 B1 B2 B1   B1 B1 B2 B1
PoP 12hr         10     5      20    30      40    20      20    10
Rain shwrs                      S  S  C    C  C  S          S
Tstms                                 S    S  S

$$