Regional Weather Roundup
Issued by NWS Sioux Falls, SD

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347
ASUS43 KFSD 210610
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
100 AM CDT MON SEP 21 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>070-210700-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      RAIN      54  52  93 E8        30.20R FOG     TC  12
6HR MIN TEMP:  54; 6HR MAX TEMP:  60; 6HR PCP:  0.40;

CHAMBERLAIN    DRIZZLE   57  57 100 CALM      30.17S TC  14
HURON          LGT RAIN  56  55  97 E8        30.17S TC  13
6HR MIN TEMP:  56; 6HR MAX TEMP:  63; 6HR PCP:  0.51;

MADISON        CLOUDY    54  54 100 NE9       30.17S TC  12
MITCHELL       CLOUDY    57  55  93 E10       30.16S TC  14
6HR MIN TEMP:  57; 6HR MAX TEMP:  59; 6HR PCP:  0.42;

SIOUX FALLS    RAIN      56  54  93 E13       30.15S TC  13
6HR MIN TEMP:  56; 6HR MAX TEMP:  59; 6HR PCP:  0.48;

WINNER         CLOUDY    57  57 100 CALM      30.14S FOG     TC  14
YANKTON        CLOUDY    58  58 100 NE8       30.13S TC  14
6HR MIN TEMP:  58; 6HR MAX TEMP:  60; 6HR PCP:  0.23;

$$

MNZ071-072-080-081-089-090-097-098-210700-
SOUTHWEST MINNESOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FAIRMONT       CLOUDY    58  53  84 E8        30.16R TC  14
JACKSON        CLOUDY    57  54  88 CALM      30.16R TC  14
LUVERNE        LGT RAIN  55  54  94 NE9       30.17S TC  13
MARSHALL       CLOUDY    56  50  80 E8        30.20R TC  13
6HR MIN TEMP:  56; 6HR MAX TEMP:  60;

MONTEVIDEO     CLOUDY    54  46  76 E9        30.22R TC  12
PIPESTONE      LGT RAIN  53  53 100 NE9       30.19S TC  12
REDWOOD FALLS  MOCLDY    55  48  77 NE7       30.20R TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  60;

TRACY          CLOUDY    55  52  88 NE6       30.19R TC  13
WINDOM         CLOUDY    57  54  88 N6        30.17R TC  14
WORTHINGTON    HVY RAIN  55  54  94 NE9       30.18R FOG     TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  62; 6HR PCP:  0.78;

$$

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ071-210700-
NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       CLOUDY    59  59 100 NW5       30.11R TC  15
DENISON        CLOUDY    59  59 100 E9        30.10S TC  15
ESTHERVILLE    CLOUDY    56  53  90 E8        30.13R TC  13
LE MARS        LGT RAIN N/A N/A N/A NE7       30.10R
MAURICE        LGT RAIN  57  57 100 NE12      30.12R TC  14
SHELDON        RAIN      57  57 100 N7        30.14R TC  14
SIOUX CITY     LGT RAIN  60  59  96 NE7       30.10S TC  16
6HR MIN TEMP:  60; 6HR MAX TEMP:  62; 6HR PCP:  0.11;

SPENCER        CLOUDY    59  53  80 E9        30.12R TC  15
6HR MIN TEMP:  59; 6HR MAX TEMP:  63;

STORM LAKE     CLOUDY    59  57  94 E3        30.10S TC  15
$$

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