Regional Weather Roundup
Issued by NWS

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735
ASUS43 KDMX 200606
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
100 AM CDT WED AUG 20 2025

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>046-200700-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARROLL *      CLEAR     68  68 100 NW3       30.13S TC  20
CHEROKEE *     CLEAR     72  72 100 NE1       30.14S TC  22
DENISON *      CLEAR     70  70 100 CALM      30.15S FOG     TC  21
LE MARS *      CLEAR    N/A N/A N/A CALM      30.13S
MAURICE *      MOCLDY    73  73 100 E5        30.12S TC  23
SHELDON *      PTCLDY    68  68 100 CALM      30.13S TC  20
SIOUX CITY     CLEAR     72  71  97 CALM      30.13S FOG     TC  22
6HR MIN TEMP:  72; 6HR MAX TEMP:  87; 6HR PCP: TRACE;

SPENCER        CLEAR     68  68 100 NW5       30.15R TC  20
6HR MIN TEMP:  68; 6HR MAX TEMP:  83;

STORM LAKE *   CLEAR     72  70  94 CALM      30.15S TC  22
$$

IAZ055>058-069>071-079>083-090>094-200700-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     CLEAR     72  72 100 CALM      30.12S TC  22
AUDUBON *      MOCLDY    70  70 100 CALM      30.14F TC  21
CLARINDA *     CLEAR     72  72 100 NE3       30.13S TC  22
COUNCIL BLFS * CLEAR     75  72  88 E7        30.12S TC  24
CRESTON *      CLEAR     73  72  94 NE6       30.13S TC  23
HARLAN  *      CLEAR     70  70 100 CALM      30.13S TC  21
LAMONI         CLEAR     72  71  97 CALM      30.11F TC  22
6HR MIN TEMP:  72; 6HR MAX TEMP:  83;

SHENANDOAH *   CLEAR     73  72  94 CALM      30.11R TC  23
$$

IAZ047>049-059>061-072>074-084-200700-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           CLEAR     72  71  97 CALM      30.11S TC  22
6HR MIN TEMP:  71; 6HR MAX TEMP:  84;

ANKENY *       PTCLDY    72  72 100 CALM      30.11F TC  22
BOONE *        CLEAR     73  73 100 N5        30.11S TC  23
CHARITON *     CLEAR     72  72 100 CALM      30.10F TC  22
DES MOINES     PTCLDY    77  71  82 CALM      30.11F TC  25
6HR MIN TEMP:  75; 6HR MAX TEMP:  85;

GRINNELL*      MOCLDY    70  70  99 CALM      30.12F TC  21
KNOXVILLE *    CLEAR     73  72  94 SW3       30.10F TC  23
MARSHALLTOWN   CLEAR     71  71 100 CALM      30.10F TC  22
6HR MIN TEMP:  71; 6HR MAX TEMP:  83; 6HR PCP: TRACE;

NEWTON *       CLEAR     72  72 100 W6        30.09F TC  22
PELLA *        CLEAR     71  71  98 SW3       30.10F TC  22
PERRY *        CLEAR     72  72 100 N5        30.10S TC  22
$$

IAZ004>006-015-016-023>025-035-036-200700-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALGONA *       CLEAR     70  70 100 NW6       30.12S TC  21
CLARION *      CLEAR     66  66 100 CALM      30.12F TC  19
ESTHERVILLE    CLEAR     69  67  93 NW6       30.14R TC  21
6HR MIN TEMP:  68; 6HR MAX TEMP:  83;

FORT DODGE *   FOG       69  69 100 CALM      30.13S VSB 1/4 TC  21
MASON CITY     CLEAR     69  68  96 W6        30.11F TC  21
6HR MIN TEMP:  68; 6HR MAX TEMP:  82;

FOREST CITY *  PTCLDY    68  68 100 CALM      30.13S TC  20
WEBSTER CITY *   N/A    N/A N/A N/A MISG        N/A
IOWA FALLS *   CLEAR     70  67  90 CALM      30.13S TC  21
HAMPTON *      CLEAR     68  66  94 NW3       30.12S TC  20
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-200700-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   CLOUDY    73  69  87 NW3       30.08F TC  23
6HR MIN TEMP:  71; 6HR MAX TEMP:  81;

CHARLES CITY * PTCLDY    70  70 100 CALM      30.11R FOG     TC  21
CLINTON *      FOG       67  67 100 W3        30.09S VSB 3/4 TC  19
DECORAH *      MOCLDY    72  72 100 CALM      30.08S TC  22
DUBUQUE        CLOUDY    69  68  96 CALM      30.10S TC  21
6HR MIN TEMP:  68; 6HR MAX TEMP:  78;

MONTICELLO *   PTCLDY    70  70 100 CALM      30.07F TC  21
OELWEIN *      PTCLDY    70  70 100 W5        30.10F TC  21
WATERLOO       CLEAR     71  70  96 CALM      30.09S TC  22
6HR MIN TEMP:  71; 6HR MAX TEMP:  83;

$$

IAZ064-065-067-068-078-200700-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      CLEAR     67  67 100 CALM      30.09F FOG     TC  19
6HR MIN TEMP:  67; 6HR MAX TEMP:  81;

IOWA CITY      CLOUDY    74  72  93 W5        30.09F TC  23
6HR MIN TEMP:  72; 6HR MAX TEMP:  83;

MT. PLEASANT * CLEAR     70  68  94 CALM      30.09S TC  21
MUSCATINE *    CLEAR     70  70 100 CALM      30.08S TC  21
QUAD CITIES    CLEAR     69  68  96 S3        30.07S TC  21
6HR MIN TEMP:  69; 6HR MAX TEMP:  80;

$$

IAZ062-063-075>077-085>089-095>099-200700-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     CLEAR     70  70 100 CALM      30.08F TC  21
6HR MIN TEMP:  70; 6HR MAX TEMP:  80;

FAIRFIELD *      N/A     70  70 100 NW3       30.08F TC  21
FORT MADISON * CLEAR     70  70 100 SE2       30.08F FOG     TC  21
KEOKUK *       MOCLDY    72  72 100 CALM      30.08F TC  22
OSKALOOSA *    CLEAR     72  70  94 CALM      30.10S TC  22
OTTUMWA        CLEAR     69  68  96 NW3       30.09F TC  21
6HR MIN TEMP:  68; 6HR MAX TEMP:  81;

WASHINGTON *   CLEAR     70  70 100 NW3       30.07F FOG     TC  21
$$

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