Regional Weather Roundup
Issued by NWS

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168
ASUS43 KFSD 181802
RWRSD

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
100 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>017-181900-
NORTHWEST AND NORTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BUFFALO          N/A     65  59  81 CALM      30.08F TC  18
FAITH            N/A     64  61  90 N9        30.06S TC  18
MOBRIDGE       CLOUDY    61  60  97 E14       30.04S FOG     TC  16
$$

SDZ012>016-024>037-041>051-057-063-072>074-181900-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    67  61  81 N10       30.09S TC  19
PIERRE         CLOUDY    64  63  96 E6        30.01S FOG     TC  18
CUSTER         SUNNY     76  50  40 VRB3      30.17F TC  24
ELLSWORTH AFB  CLOUDY    67  60  79 N13       30.06S TC  19
PHILIP         CLOUDY    68  62  81 NW8       30.04S TC  20
SPEARFISH      MOSUNNY   66  63  88 CALM      30.13F TC  19
WINNER         CLOUDY    73  66  78 W6        30.02F TC  23
$$

SDZ004>011-016>023-039-040-181900-
NORTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ABERDEEN       CLOUDY    62  61  96 E12       30.06F FOG     TC  17
WATERTOWN      CLOUDY    61  59  93 E12G17    30.06F FOG     TC  16
BROOKINGS      LGT RAIN  62  61  96 E10       30.06F FOG     TC  17
SISSETON         N/A     61  59  93 SE14G23   30.11F TC  16
$$

SDZ017-020-022-023-036>040-048>070-181900-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    DRIZZLE   64  64 100 SE12      30.02F FOG     TC  18
HURON          CLOUDY    65  64  97 E7        30.02F FOG     TC  18
CHAMBERLAIN    CLOUDY    67  66  95 CALM      30.04S TC  20
MADISON        CLOUDY    63  64 100 SE13      30.03F FOG     TC  17
MITCHELL       CLOUDY    67  65  93 SE12      30.01F TC  19
YANKTON        CLOUDY    69  69 100 NE8       29.99F FOG     TC  21
$$

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