Regional Weather Roundup
Issued by NWS

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166
ASUS43 KFSD 181110
RWRSD

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
600 AM CDT FRI SEP 18 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.


SDZ001>005-009-010-012>017-181200-
NORTHWEST AND NORTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BUFFALO          N/A     60  59  96 E6        30.08F TC  16
MOBRIDGE       RAIN      59  58  96 E15       30.07F FOG     TC  15
$$

SDZ012>016-024>037-041>051-057-063-072>074-181200-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    61  61 100 CALM      30.07F FOG     TC  16
PIERRE         LGT RAIN  61  60  97 E7        30.04S TC  16
CUSTER         MOCLDY    56  56 100 W7        30.17S TC  13
ELLSWORTH AFB  MOCLDY    61  61 100 CALM      30.03F FOG     TC  16
PHILIP         CLOUDY    64  64 100 CALM      30.03R TC  18
SPEARFISH      FOG       59  59 100 CALM      30.10F VSB 1/2 TC  15
WINNER         CLOUDY    64  64 100 SE15G22   30.04R TC  18
$$

SDZ004>011-016>023-039-040-181200-
NORTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ABERDEEN       LGT RAIN  60  60 100 E8        30.12F TC  16
WATERTOWN      HVY RAIN  59  57  93 E12G17    30.14F FOG     TC  15
BROOKINGS      RAIN      60  59  96 SE25      30.16F FOG     TC  16
SISSETON         N/A     59  57  93 E8        30.17F TC  15
$$

SDZ017-020-022-023-036>040-048>070-181200-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    63  61  93 E10       30.14F TC  17
HURON          CLOUDY    62  60  93 E7        30.09F TC  17
CHAMBERLAIN    CLOUDY    63  63  99 SE10      30.07S TC  17
MADISON        LGT RAIN  59  59 100 E13       30.13F TC  15
MITCHELL       LGT RAIN  62  61  96 SE16G24   30.06F TC  17
YANKTON        LGT RAIN  64  64 100 E10       30.09F TC  18
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY