Regional Weather Roundup
Issued by NWS

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077
ASUS43 KDMX 201301
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
800 AM CDT THU AUG 20 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>046-201400-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE *     SUNNY     57  57 100 CALM      30.06R TC  14
DENISON *      SUNNY     61  61 100 CALM      30.08R TC  16
LE MARS *      SUNNY     57  57 100 CALM      30.04R TC  14
MAURICE *      SUNNY     59  59 100 S7        30.05R TC  15
SHELDON *      SUNNY     59  59 100 CALM      30.04R FOG     TC  15
SIOUX CITY     SUNNY     60  60 100 CALM      30.06R TC  16
SPENCER        MOSUNNY   56  55  97 CALM      30.06R TC  13
$$

IAZ055>058-069>071-079>083-090>094-201400-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AUDUBON *        N/A     63  61  94 CALM      30.07R TC  17
CLARINDA *     MOSUNNY   64  64 100 CALM      30.07R FOG     TC  18
COUNCIL BLFS * SUNNY    N/A N/A N/A CALM      30.06R
CRESTON *      SUNNY     66  66 100 NE7       30.06R TC  19
HARLAN  *      SUNNY     63  61  94 CALM      30.07R TC  17
LAMONI         SUNNY     66  64  93 NE3       30.05R TC  19
RED OAK *      SUNNY     64  64 100 VRB1      30.06R FOG     TC  18
$$

IAZ047>049-059>061-072>074-084-201400-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           SUNNY     66  62  87 CALM      30.06R TC  19
ANKENY *       SUNNY     64  64 100 CALM      30.06S TC  18
BOONE *        SUNNY     64  64 100 E3        30.04S TC  18
CHARITON *     SUNNY     66  64  94 CALM      30.05R TC  19
DES MOINES     MOSUNNY   69  62  78 E3        30.06R TC  21
GRINNELL*      SUNNY     64  61  89 NE5       30.08R TC  18
KNOXVILLE *    SUNNY     68  64  88 NE3       30.05R TC  20
MARSHALLTOWN   SUNNY     64  61  90 CALM      30.06R TC  18
NEWTON *       SUNNY     66  66 100 NE5       30.05R TC  19
$$

IAZ004>006-015-016-023>025-035-036-201400-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALGONA *       SUNNY     63  63 100 CALM      30.05R TC  17
CLARION *      SUNNY     64  64 100 SE6       30.06R TC  18
ESTHERVILLE    SUNNY     58  56  93 S5        30.05R TC  14
FORT DODGE *   SUNNY     63  63 100 CALM      30.07R TC  17
MASON CITY     SUNNY     61  57  87 SE5       30.05S TC  16
WEBSTER CITY * SUNNY     63  61  94 SE3       30.05S TC  17
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-201400-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   SUNNY     65  62  90 NE3       30.05R TC  18
CHARLES CITY * SUNNY     63  59  88 SE5       30.06S TC  17
CLINTON *      CLOUDY    66  62  87 NE3       30.06R TC  19
DECORAH *      SUNNY     59  59 100 CALM      30.06S TC  15
DUBUQUE        SUNNY     64  61  90 CALM      30.07R TC  18
OELWEIN *      SUNNY     63  59  88 CALM      30.08R TC  17
WATERLOO       SUNNY     63  57  81 CALM      30.06R TC  17
$$

IAZ064-065-067-068-078-201400-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      SUNNY     67  62  84 E6        30.04R TC  19
IOWA CITY      SUNNY     70  64  81 CALM      30.06R TC  21
MUSCATINE *      N/A     68  68 100 CALM      30.05R TC  20
QUAD CITIES    SUNNY     68  63  84 E5        30.04R TC  20
$$

IAZ062-063-075>077-085>089-095>099-201400-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     SUNNY     68  67  96 NE6       30.03R TC  20
FAIRFIELD *    PTSUNNY   66  66 100 E5        30.04R FOG     TC  19
FORT MADISON * FOG       66  66 100 NE5       30.03S VSB<1/4 TC  19
OSKALOOSA *    SUNNY     68  66  93 CALM      30.06R TC  20
WASHINGTON *   FOG       64  64 100 E6        30.03R VSB 1/4 TC  18
$$

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