Regional Weather Roundup
Issued by NWS

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096
ASUS43 KDMX 181301
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
800 AM CDT TUE AUG 18 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>046-181400-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DENISON *      PTSUNNY   66  66 100 CALM      30.02F TC  19
LE MARS *      PTSUNNY   68  68 100 S6        29.97F TC  20
MAURICE *      CLOUDY    68  66  94 S14G20    29.97S TC  20
SHELDON *      PTSUNNY   68  68 100 S13       29.93F TC  20
SIOUX CITY     PTSUNNY   66  64  93 CALM      30.00F TC  19
SPENCER        PTSUNNY   68  66  93 SW5       29.98R TC  20
$$

IAZ055>058-069>071-079>083-090>094-181400-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AUDUBON *        N/A     70  66  88 CALM      30.03F TC  21
CLARINDA *     LGT RAIN  66  66 100 SW6       30.09S TC  19
CRESTON *      LGT RAIN  68  68 100 W10G17    30.08R TC  20
HARLAN  *      MOSUNNY   66  66 100 CALM      30.03F TC  19
LAMONI         PTSUNNY   69  65  86 SW17G25   30.04R TC  21
$$

IAZ047>049-059>061-072>074-084-181400-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           CLOUDY    70  67  90 MISG      30.00R TC  21
ANKENY *       CLOUDY    70  68  94 CALM      30.00R TC  21
BOONE *        CLOUDY    70  68  94 SW7       29.99R TC  21
CHARITON *     PTSUNNY   68  66  94 W5        30.01R TC  20
DES MOINES     CLOUDY    70  66  87 SW7       30.01R TC  21
KNOXVILLE *    PTSUNNY   70  66  88 S7        29.98R TC  21
MARSHALLTOWN   PTSUNNY   69  66  90 CALM      29.98S TC  21
NEWTON *       MOSUNNY   70  70 100 CALM      29.98S TC  21
$$

IAZ004>006-015-016-023>025-035-036-181400-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CLARION *      SUNNY     68  68 100 S6        29.98S TC  20
ESTHERVILLE    PTSUNNY   68  66  93 CALM      29.95S TC  20
FORT DODGE *   PTSUNNY   69  67  93 SW7       30.00R TC  21
MASON CITY     PTSUNNY   70  66  87 SW12      29.94F TC  21
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-181400-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   PTSUNNY   67  65  93 S5        29.99S TC  19
CLINTON *      PTSUNNY   67  65  93 S5        30.03R TC  19
DUBUQUE        CLOUDY    65  62  90 S8        30.01F TC  18
OELWEIN *      PTSUNNY   66  66 100 S6        29.98F TC  19
WATERLOO       PTSUNNY   70  65  84 S10       29.96F TC  21
$$

IAZ064-065-067-068-078-181400-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      PTSUNNY   69  64  84 SW8       30.03R TC  21
MUSCATINE *      N/A     70  66  88 S3        30.02S TC  21
QUAD CITIES    PTSUNNY   69  65  86 W3        30.03R TC  21
$$

IAZ062-063-075>077-085>089-095>099-181400-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     PTSUNNY   67  67 100 S6        30.02S TC  19
FAIRFIELD *    SUNNY     70  70 100 S3        30.00F TC  21
WASHINGTON *   PTSUNNY   68  68 100 SW8       29.99F TC  20
$$

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