Regional Weather Roundup
Issued by NWS Sioux Falls, SD

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533
ASUS43 KFSD 182010
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 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.


SDZ038>040-050-052>070-182100-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      LGT RAIN  63  62  97 E7        30.03F FOG     TC  17
CHAMBERLAIN    CLOUDY    72  67  82 W3        30.01F TC  22
HURON          CLOUDY    66  65  96 E6        29.99F FOG     TC  19
MADISON        CLOUDY    64  64 100 E6        30.01S TC  18
MITCHELL       CLOUDY    69  65  86 CALM      29.99S TC  21
SIOUX FALLS    DRIZZLE   67  65  93 E10       29.99F FOG     TC  19
WINNER         CLOUDY    75  67  76 N6        30.00F TC  24
YANKTON        CLOUDY    73  71  93 N7        29.97S TC  23
$$

MNZ071-072-080-081-089-090-097-098-182100-
SOUTHWEST MINNESOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FAIRMONT       CLOUDY    66  63  90 E12       30.06F TC  19
JACKSON        LGT RAIN  64  64 100 E13       30.04F TC  18
LUVERNE        CLOUDY    68  64  88 SE8       30.00F TC  20
MARSHALL       LGT RAIN  61  61 100 E15G21    30.05F TC  16
MONTEVIDEO     DRIZZLE   61  61 100 E17G24    30.08F TC  16
PIPESTONE      CLOUDY    64  64 100 E8        30.03F FOG     TC  18
REDWOOD FALLS  LGT RAIN  61  59  93 E12G24    30.07F TC  16
TRACY          DRIZZLE   61  61 100 E14       30.04F FOG     TC  16
WORTHINGTON    CLOUDY    65  64  97 E7        30.03F FOG     TC  18
$$

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ071-182100-
NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       PTSUNNY   73  70  88 E14       29.98F TC  23
DENISON        MOSUNNY   90  75  62 S16       29.95F HX 100  TC  32
ESTHERVILLE    CLOUDY    68  65  90 SE9       30.04F TC  20
LE MARS        MOSUNNY  N/A N/A N/A E8        29.93F
MAURICE        CLOUDY    73  72  94 E12       29.97F TC  23
SHELDON        CLOUDY    68  68 100 SE13      29.98F TC  20
SIOUX CITY     MOSUNNY   91  73  55 S8        29.90F HX  99  TC  33
SPENCER        CLOUDY    69  66  90 SE14      30.01F TC  21
STORM LAKE     CLOUDY    72  68  88 SE13G20   30.00F TC  22
$$

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