Regional Weather Roundup
Issued by NWS

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ASUS43 KDMX 211710
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
1200 PM CDT FRI AUG 21 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* - THESE STATIONS ARE NOT NWS STATIONS...THUS NOT UNDER NWS
QUALITY CONTROL.  THEY ALSO DO NOT REPORT WEATHER SUCH
AS PRECIPITATION OR FOG.

IAZ001>003-012>014-020>022-031>034-043>046-211800-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE *     SUNNY     81  64  57 NE9       30.06S HX  82  TC  27
DENISON *      SUNNY     82  72  69 VRB3      30.07S HX  87  TC  28
LE MARS *      SUNNY     79  66  65 N12       30.05S HX  81  TC  26
MAURICE *      SUNNY     79  66  65 N13       30.08R HX  81  TC  26
SHELDON *      SUNNY     77  66  69 N6G13     30.06R TC  25
SIOUX CITY     SUNNY     84  67  56 N6        30.05S HX  86  TC  29
SPENCER        SUNNY     78  62  57 N6        30.07R HX  80  TC  26
$$

IAZ055>058-069>071-079>083-090>094-211800-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     SUNNY     81  73  78 VRB6      30.05S HX  85  TC  27
AUDUBON *        N/A     81  73  78 W3        30.06F HX  85  TC  27
CLARINDA *     SUNNY     84  73  70 SW7G14    30.08F HX  91  TC  29
COUNCIL BLFS * SUNNY     84  72  65 NW6       30.06R HX  89  TC  29
CRESTON *      SUNNY     81  73  78 W13       30.07S HX  85  TC  27
HARLAN  *      SUNNY     81  72  74 CALM      30.06S HX  84  TC  27
LAMONI         SUNNY     81  70  69 W9        30.07F HX  84  TC  27
RED OAK *      SUNNY     82  73  74 SW6       30.06S HX  88  TC  28
SHENANDOAH *   SUNNY     82  73  74 W6        30.04F HX  88  TC  28
$$

IAZ047>049-059>061-072>074-084-211800-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           MOSUNNY   81  71  71 W7        30.03S HX  85  TC  27
ANKENY *       MOSUNNY   82  72  69 W12       30.04S HX  87  TC  28
BOONE *        SUNNY     81  72  74 CALM      30.03S HX  84  TC  27
CHARITON *     MOSUNNY   81  72  74 W10G17    30.05S HX  84  TC  27
DES MOINES     MOSUNNY   82  70  66 W12       30.04F HX  86  TC  28
GRINNELL*      CLOUDY    78  70  76 W12G17    30.05F HX  80  TC  26
KNOXVILLE *    SUNNY     82  72  69 W9G17     30.04F HX  87  TC  28
MARSHALLTOWN   PTSUNNY   80  70  71 W9        30.02S HX  83  TC  27
NEWTON *       PTSUNNY   79  79 100 SW10      30.03S HX  83  TC  26
PELLA *        MOSUNNY   82  71  69 W13G20    30.04F HX  87  TC  28
PERRY *        SUNNY     82  75  78 W5        30.02S HX  89  TC  28
$$

IAZ004>006-015-016-023>025-035-036-211800-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALGONA *       SUNNY     79  64  61 N12       30.04R HX  81  TC  26
CLARION *      SUNNY     81  72  74 N8        30.03S HX  84  TC  27
ESTHERVILLE    SUNNY     77  62  59 N9        30.05S TC  25
FORT DODGE *   SUNNY     81  70  69 N5        30.05R HX  84  TC  27
MASON CITY     SUNNY     81  63  54 N13       30.02R HX  82  TC  27
FOREST CITY *  SUNNY     81  61  50 N12       30.03S HX  81  TC  27
WEBSTER CITY * SUNNY     81  73  78 VRB5      30.03S HX  85  TC  27
IOWA FALLS *   SUNNY     81  69  67 NW3       30.03S HX  84  TC  27
HAMPTON *      SUNNY     79  68  69 NW6       30.02S HX  81  TC  26
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-211800-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   MOSUNNY   79  71  76 SW13G22   30.01F HX  82  TC  26
CHARLES CITY * MOSUNNY   79  73  83 NW9       30.00S HX  82  TC  26
CLINTON *      PTSUNNY   80  69  69 SW14G20   30.04F HX  83  TC  27
DECORAH *      MOSUNNY   79  70  73 SW5       29.97F HX  81  TC  26
DUBUQUE        MOSUNNY   77  69  76 SW20G29   30.01F TC  25
MONTICELLO *   PTSUNNY   79  70  73 SW13      30.00S HX  81  TC  26
OELWEIN *      PTSUNNY   79  72  78 W10       30.00F HX  82  TC  26
WATERLOO       SUNNY     81  70  69 W8        29.99F HX  84  TC  27
$$

IAZ064-065-067-068-078-211800-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      MOSUNNY   79  68  69 SW9G20    30.04F HX  81  TC  26
IOWA CITY      CLOUDY    79  71  76 SW10      30.03F HX  82  TC  26
MT. PLEASANT * SUNNY     79  70  73 SW9       30.05F HX  81  TC  26
MUSCATINE *      N/A     82  70  65 SW9       30.04F HX  86  TC  28
QUAD CITIES    SUNNY     80  68  66 SW14      30.03F HX  83  TC  27
$$

IAZ062-063-075>077-085>089-095>099-211800-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     MOSUNNY   80  71  74 SW9       30.06F HX  84  TC  27
FAIRFIELD *    MOSUNNY   81  73  78 SW12G20   30.04F HX  85  TC  27
FORT MADISON * PTSUNNY   81  70  69 S10G16    30.06F HX  84  TC  27
OSKALOOSA *    SUNNY     83  73  73 SW15      30.05S HX  88  TC  28
WASHINGTON *   MOSUNNY   81  77  89 SW14      30.03S HX  88  TC  27
$$

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