Regional Weather Roundup
Issued by NWS

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854
ASUS43 KDMX 121501
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
1000 AM CDT SAT SEP 12 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>046-121600-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARROLL *      SUNNY     66  54  63 N16G25    29.98R TC  19
CHEROKEE *     MOSUNNY   63  52  67 N12G17    30.01S TC  17
DENISON *      MOSUNNY   64  54  68 N14G21    30.02R TC  18
LE MARS *      MOSUNNY   63  52  67 N10       30.03R TC  17
MAURICE *      MOSUNNY   63  52  67 N10G22    30.04R TC  17
SHELDON *      MOSUNNY   61  52  72 N13G21    30.00S TC  16
SIOUX CITY     MOSUNNY   63  52  67 NW13      30.05R TC  17
SPENCER        MOSUNNY   63  48  58 N16G26    30.01R TC  17
STORM LAKE *   MOSUNNY   61  50  67 N16G24    30.00S TC  16
$$

IAZ055>058-069>071-079>083-090>094-121600-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     MOSUNNY   66  55  68 N15       29.97R TC  19
AUDUBON *        N/A     66  55  68 N12G18    29.97R TC  19
CLARINDA *     PTSUNNY   72  55  56 N13G22    29.98R TC  22
COUNCIL BLFS * MOSUNNY   64  57  77 N13G22    29.98S TC  18
CRESTON *      PTSUNNY   66  57  72 N14       29.95R TC  19
HARLAN  *      SUNNY     64  54  68 N13       29.99R TC  18
LAMONI         CLOUDY    69  65  86 N13       29.93R TC  21
$$

IAZ047>049-059>061-072>074-084-121600-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           PTSUNNY   67  55  65 N13G24    29.93R TC  19
ANKENY *       CLOUDY    66  55  68 N14G25    29.94R TC  19
BOONE *        MOSUNNY   66  55  68 N20       29.92R TC  19
CHARITON *     CLOUDY    70  66  88 N15       29.90R TC  21
DES MOINES     CLOUDY    68  57  68 N13G18    29.94R TC  20
GRINNELL*      PTSUNNY   70  64  81 N13G20    29.91R TC  21
KNOXVILLE *    CLOUDY    70  64  83 NW13G24   29.90R TC  21
MARSHALLTOWN   PTSUNNY   66  59  78 NW15      29.91R TC  19
NEWTON *       SUNNY     70  70 100 N13G20    29.90R TC  21
$$

IAZ004>006-015-016-023>025-035-036-121600-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALGONA *       SUNNY     64  50  59 N17G26    29.98R TC  18
CLARION *      SUNNY     66  52  59 N14G22    29.95R TC  19
ESTHERVILLE    MOSUNNY   62  49  62 NW16G23   30.01R TC  17
FORT DODGE *   SUNNY     66  52  60 VRB5      29.97R TC  19
MASON CITY     SUNNY     66  52  60 N20G30    29.93R TC  19
WEBSTER CITY * SUNNY     64  55  72 N20G25    29.95R TC  18
IOWA FALLS *   MOSUNNY   68  54  60 NW13G21   29.94R TC  20
HAMPTON *      MOSUNNY   64  52  63 NW15      29.93R TC  18
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-121600-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   PTSUNNY   74  68  81 NW9       29.86R TC  23
CHARLES CITY * MOSUNNY   68  57  68 N17G23    29.89R TC  20
CLINTON *      MOSUNNY   76  70  82 S7        29.86S TC  24
DECORAH *      CLOUDY    68  66  94 NW10G17   29.85R TC  20
DUBUQUE        MOSUNNY   72  67  84 SW12      29.85S TC  22
OELWEIN *      CLOUDY    68  66  94 NW16      29.88R TC  20
WATERLOO       PTSUNNY   68  61  78 NW15G28   29.87R TC  20
$$

IAZ064-065-067-068-078-121600-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      MOSUNNY   78  69  73 SW9       29.86R HX  80  TC  26
IOWA CITY      PTSUNNY   72  69  90 W8        29.87R TC  22
MUSCATINE *    SUNNY     75  72  88 SW7       29.87R TC  24
QUAD CITIES    MOSUNNY   78  70  76 SW8       29.85S HX  80  TC  26
$$

IAZ062-063-075>077-085>089-095>099-121600-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     MOSUNNY   76  71  85 SW7       29.87S TC  24
FAIRFIELD *    SUNNY     75  72  88 NW9G16    29.87R TC  24
WASHINGTON *   PTSUNNY   75  75 100 W10       29.86R TC  24
$$

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