Regional Weather Roundup
Issued by NWS

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477
ASUS43 KDMX 181201
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
700 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>046-181300-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DENISON *      CLOUDY    66  66 100 W6        30.05R TC  19
LE MARS *      PTCLDY    68  68 100 SW9       29.97R TC  20
MAURICE *      MOCLDY    68  68 100 W6        29.97R TC  20
SHELDON *      MOCLDY    68  68 100 W5        29.92F TC  20
SIOUX CITY     CLOUDY    65  63  93 SW6       30.02R TC  18
6HR MIN TEMP:  63; 6HR MAX TEMP:  72; 6HR PCP:  0.12;

SPENCER        MOCLDY    69  65  86 W7        29.93F TC  21
6HR MIN TEMP:  66; 6HR MAX TEMP:  71;

$$

IAZ055>058-069>071-079>083-090>094-181300-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AUDUBON *        N/A     68  66  94 NW7       30.02R TC  20
CLARINDA *     MOCLDY    68  66  94 SW9       30.03R TC  20
CRESTON *      CLOUDY    68  66  94 S12       29.94R TC  20
HARLAN  *      PTCLDY    68  66  94 N14G21    30.04R TC  20
LAMONI         CLOUDY    67  65  93 S9        29.97F TC  19
6HR MIN TEMP:  67; 6HR MAX TEMP:  69; 6HR PCP:  0.04;

$$

IAZ047>049-059>061-072>074-084-181300-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           MOCLDY    68  66  93 N3        29.98R TC  20
6HR MIN TEMP:  63; 6HR MAX TEMP:  69; 6HR PCP: TRACE;

ANKENY *       CLOUDY    70  66  88 SE5       29.97S TC  21
CHARITON *     CLOUDY    68  66  94 E7        29.95F TC  20
DES MOINES     CLOUDY    69  65  86 VRB5      29.97F TC  21
6HR MIN TEMP:  69; 6HR MAX TEMP:  71; 6HR PCP: TRACE;

KNOXVILLE *    CLOUDY    70  64  83 S10       29.97F TC  21
MARSHALLTOWN   CLOUDY    68  65  90 CALM      29.98R TC  20
6HR MIN TEMP:  64; 6HR MAX TEMP:  69; 6HR PCP: TRACE;

$$

IAZ004>006-015-016-023>025-035-036-181300-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CLARION *      CLEAR     64  64 100 S7        29.98S TC  18
ESTHERVILLE    MOCLDY    68  66  93 W3        29.95R TC  20
6HR MIN TEMP:  66; 6HR MAX TEMP:  70;

FORT DODGE *   PTCLDY    67  66  97 SW5       29.99S TC  19
MASON CITY     MOCLDY    69  65  86 W9        29.95S TC  21
6HR MIN TEMP:  63; 6HR MAX TEMP:  70; 6HR PCP:  0.08;

$$

IAZ007>011-017>019-026>030-037>042-050>054-066-181300-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   CLOUDY    65  63  93 S3        29.99S TC  18
6HR MIN TEMP:  62; 6HR MAX TEMP:  66;

CLINTON *      CLOUDY    65  63  93 S5        30.02S TC  18
DUBUQUE        CLOUDY    64  61  90 S5        30.02R TC  18
6HR MIN TEMP:  60; 6HR MAX TEMP:  64;

OELWEIN *      MOCLDY    64  64 100 S6        29.99R TC  18
WATERLOO       CLOUDY    68  64  87 S6        29.97R TC  20
6HR MIN TEMP:  65; 6HR MAX TEMP:  69;

$$

IAZ064-065-067-068-078-181300-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      CLOUDY    66  63  90 S6        30.02S TC  19
6HR MIN TEMP:  63; 6HR MAX TEMP:  67;

MUSCATINE *      N/A     66  66 100 S5        30.03R TC  19
QUAD CITIES    CLOUDY    66  63  90 CALM      30.01F TC  19
6HR MIN TEMP:  62; 6HR MAX TEMP:  67;

$$

IAZ062-063-075>077-085>089-095>099-181300-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     MOCLDY    65  65 100 S3        30.02F TC  18
6HR MIN TEMP:  63; 6HR MAX TEMP:  66;

FAIRFIELD *    MOCLDY    66  66 100 S6        30.02S TC  19
WASHINGTON *   CLOUDY    66  66 100 SW9       30.01R TC  19
$$

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