Regional Weather Roundup
Issued by NWS

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278
ASUS43 KFSD 182110
RWRSD

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
400 PM 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>017-182200-
NORTHWEST AND NORTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BUFFALO          N/A     74  59  59 VRB5      30.04F TC  23
FAITH            N/A     66  59  78 NE10      30.04S TC  19
MOBRIDGE       CLOUDY    65  61  87 E8        30.01F TC  18
$$

SDZ012>016-024>037-041>051-057-063-072>074-182200-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT MOSUNNY   75  60  59 N9        30.05F TC  24
PIERRE         CLOUDY    67  65  93 NE5       29.99S TC  19
CUSTER         MOSUNNY   71  59  65 E13G20    30.16S TC  22
ELLSWORTH AFB  MOSUNNY   74  60  61 N9        30.02F TC  23
PHILIP         CLOUDY    73  62  68 N12       30.01F TC  23
SPEARFISH      SUNNY     75  61  60 NE13      30.09S TC  24
WINNER         CLOUDY    76  66  71 N9        30.00S TC  24
$$

SDZ004>011-016>023-039-040-182200-
NORTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ABERDEEN       CLOUDY    63  62  97 E13       30.02F TC  17
WATERTOWN      CLOUDY    61  60  97 E8        30.03F FOG     TC  16
BROOKINGS      LGT RAIN  63  62  97 E9        30.02F FOG     TC  17
SISSETON         N/A     61  60  97 SE9       30.06F TC  16
$$

SDZ017-020-022-023-036>040-048>070-182200-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    68  66  93 E7        29.98F TC  20
HURON          CLOUDY    67  65  93 E3        29.99S FOG     TC  19
CHAMBERLAIN    CLOUDY    73  67  82 NE3       30.01S TC  23
MADISON        CLOUDY    64  64 100 E6        30.00F FOG     TC  18
MITCHELL       CLOUDY    70  66  87 SE3       29.98F TC  21
YANKTON        MOSUNNY   76  72  87 NE5       29.95F TC  24
$$

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