Regional Weather Roundup
Issued by NWS Sioux Falls, SD

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379
ASUS43 KFSD 182210
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 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>070-182300-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      LGT RAIN  63  62  97 E9        30.01F FOG     TC  17
CHAMBERLAIN    CLOUDY    72  67  85 N7        30.01S TC  22
HURON          CLOUDY    66  66 100 NE6       29.99S FOG     TC  19
MADISON        CLOUDY    64  64 100 E6        30.00S FOG     TC  18
MITCHELL       CLOUDY    70  66  87 CALM      29.98S TC  21
SIOUX FALLS    CLOUDY    69  67  93 E7        29.97F TC  21
WINNER         CLOUDY    75  66  73 NW10      30.01R TC  24
YANKTON        PTSUNNY   77  72  84 N9        29.95S TC  25
$$

MNZ071-072-080-081-089-090-097-098-182300-
SOUTHWEST MINNESOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FAIRMONT       CLOUDY    66  63  90 E9        30.03S TC  19
JACKSON        CLOUDY    64  64 100 E9        30.02S FOG     TC  18
LUVERNE        CLOUDY    68  64  88 E6        29.99S TC  20
MARSHALL       CLOUDY    61  61 100 E13       30.03F TC  16
MONTEVIDEO     LGT RAIN  61  61 100 E14G21    30.06F TC  16
PIPESTONE      CLOUDY    65  65 100 E10       30.01S TC  18
REDWOOD FALLS  CLOUDY    61  60  97 E9G22     30.05S TC  16
TRACY          DRIZZLE   61  61 100 E12       30.03S FOG     TC  16
WINDOM         CLOUDY    63  63 100 E12       30.03S FOG     TC  17
WORTHINGTON    CLOUDY    66  66 100 E6        30.01F FOG     TC  19
$$

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ071-182300-
NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       PTSUNNY   75  70  83 E10       29.94F TC  24
DENISON        PTSUNNY   90  72  55 S9        29.92F HX  96  TC  32
ESTHERVILLE    CLOUDY    68  65  90 SE8       30.00F TC  20
LE MARS        MOSUNNY  N/A N/A N/A NE14      29.90S
MAURICE        PTSUNNY   75  72  88 E13       29.94S TC  24
SHELDON        PTSUNNY   72  72 100 E10       29.95S TC  22
SIOUX CITY     MOSUNNY   95  68  41 SW9       29.87F HX  99  TC  35
SPENCER        CLOUDY    70  67  90 SE12      29.98F TC  21
STORM LAKE     PTSUNNY   75  70  83 SE14      29.95F TC  24
$$

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