Regional Weather Roundup
Issued by NWS Sioux Falls, SD

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109
ASUS43 KFSD 171810
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
100 PM CDT MON AUG 17 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>070-171900-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      SUNNY     82  58  43 S16       30.09F TC  28
6HR MIN TEMP:  54; 6HR MAX TEMP:  82;

CHAMBERLAIN    MOSUNNY   81  63  53 W7        30.10F TC  27
HURON          MOSUNNY   81  65  58 SW15G23   30.04F TC  27
6HR MIN TEMP:  61; 6HR MAX TEMP:  82;

MADISON        SUNNY     81  61  50 S15       30.08F TC  27
MITCHELL       SUNNY     83  64  52 S9        30.06F TC  28
6HR MIN TEMP:  60; 6HR MAX TEMP:  84;

SIOUX FALLS    MOSUNNY   83  55  38 S15       30.10F TC  28
6HR MIN TEMP:  60; 6HR MAX TEMP:  83;

WINNER         MOSUNNY   83  62  49 VRB3      30.10F TC  28
YANKTON        SUNNY     82  64  54 S20       30.09F TC  28
6HR MIN TEMP:  63; 6HR MAX TEMP:  82;

$$

MNZ071-072-080-081-089-090-097-098-171900-
SOUTHWEST MINNESOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FAIRMONT       SUNNY     77  59  53 SW8       30.11F TC  25
JACKSON        SUNNY     77  57  50 SW8       30.12F TC  25
LUVERNE        SUNNY     81  55  41 SW9       30.11F TC  27
MARSHALL       SUNNY     82  56  40 SW12      30.07F TC  28
6HR MIN TEMP:  57; 6HR MAX TEMP:  83;

MONTEVIDEO     MOSUNNY   81  61  50 SW5       30.07F TC  27
PIPESTONE      SUNNY     81  59  47 SW8       30.12F TC  27
REDWOOD FALLS  SUNNY     80  56  43 SW12      30.07F TC  27
6HR MIN TEMP:  58; 6HR MAX TEMP:  80;

TRACY          SUNNY     81  55  41 SW12      30.08F TC  27
WINDOM         SUNNY     82  55  39 S10       30.10F TC  28
WORTHINGTON    SUNNY     78  60  53 SW9       30.12F TC  26
6HR MIN TEMP:  56; 6HR MAX TEMP:  78;

$$

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ071-171900-
NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       SUNNY     79  59  50 SW8       30.13F TC  26
DENISON        SUNNY     81  63  54 SW12      30.15F TC  27
ESTHERVILLE    SUNNY     77  57  50 SW6       30.11F TC  25
LE MARS        MOSUNNY   79  64  61 SW8       30.11F TC  26
MAURICE        SUNNY     79  64  61 SW12      30.12F TC  26
SHELDON        SUNNY     77  64  65 VRB6      30.11F TC  25
SIOUX CITY     SUNNY     80  62  54 S7        30.12F TC  27
6HR MIN TEMP:  59; 6HR MAX TEMP:  80; 6HR PCP:  0.01;

SPENCER        SUNNY     79  57  46 SW8       30.13F TC  26
6HR MIN TEMP:  54; 6HR MAX TEMP:  79;

$$

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