Regional Weather Roundup
Issued by NWS

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269
ASUS43 KDMX 181306
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
800 AM CDT FRI SEP 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
CARROLL *      CLOUDY    64  64 100 E12G18    30.17S FOG     TC  18
CHEROKEE *     CLOUDY    63  63 100 E12G21    30.13F TC  17
DENISON *      FOG       64  64 100 E15       30.15S VSB 1   TC  18
LE MARS *      CLOUDY   N/A N/A N/A E17G25    30.09S
MAURICE *      CLOUDY    63  63 100 SE20G28   30.10F TC  17
SHELDON *      CLOUDY    63  63 100 SE12      30.12F TC  17
SIOUX CITY     CLOUDY    65  64  97 SE16      30.08F FOG     TC  18
SPENCER        CLOUDY    62  61  96 E18G30    30.15F TC  17
STORM LAKE *   CLOUDY    63  61  94 E14G20    30.15F TC  17
$$

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

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     CLOUDY    68  68 100 E8        30.13S FOG     TC  20
AUDUBON *        N/A     66  64  94 E7        30.16S TC  19
CLARINDA *     CLOUDY    72  72 100 SE7       30.14S FOG     TC  22
COUNCIL BLFS * CLOUDY    72  72 100 SE14      30.09S FOG     TC  22
CRESTON *      FOG       70  70 100 E9        30.16S VSB<1/4 TC  21
HARLAN  *      CLOUDY    68  68 100 E10G16    30.13S FOG     TC  20
LAMONI         CLOUDY    71  70  96 E5        30.16S FOG     TC  22
RED OAK *      CLOUDY    72  72 100 SE6       30.12S FOG     TC  22
SHENANDOAH *   CLOUDY    73  73 100 SE9       29.07F FOG     TC  23
$$

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

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           CLOUDY    65  63  93 E8        30.18F TC  18
ANKENY *       CLOUDY    64  64 100 E10       30.19F TC  18
BOONE *        CLOUDY    64  64 100 E16       30.17F TC  18
CHARITON *     FOG       66  66 100 E5G12     30.17S VSB<1/4 TC  19
DES MOINES     DRZL/FOG  65  64  97 E9        30.18F VSB 3/4 TC  18
GRINNELL*      FOG       64  64  99 E10       30.21F VSB 1   TC  18
KNOXVILLE *    CLOUDY    66  64  94 E9        30.19S FOG     TC  19
MARSHALLTOWN   TSTM      64  63  96 E13       30.22F VSB 3/4 TC  18
NEWTON *       CLOUDY    66  64  94 E15G22    30.18F FOG     TC  19
PELLA *        CLOUDY    65  65  99 E6        30.20S FOG     TC  18
PERRY *        LGT RAIN  64  64 100 E10       30.16S VSB 1/4 TC  18
$$

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

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALGONA *       CLOUDY    63  63 100 E10G17    30.19F TC  17
CLARION *      CLOUDY    63  63 100 E8G15     30.22F FOG     TC  17
ESTHERVILLE    CLOUDY    62  60  93 SE14G28   30.17F TC  17
FORT DODGE *   CLOUDY    63  63 100 E18       30.19F TC  17
MASON CITY     RAIN      61  60  97 E15G24    30.20F FOG     TC  16
FOREST CITY *  CLOUDY    61  59  94 E9        30.23R TC  16
WEBSTER CITY * LGT RAIN  64  64 100 E20G25    30.19R TC  18
IOWA FALLS *   DRIZZLE   63  63 100 NE9G16    30.22F TC  17
HAMPTON *      HVY RAIN  59  59 100 NE8       30.26R TC  15
$$

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   CLOUDY    65  63  93 E14       30.23F TC  18
CHARLES CITY * LGT RAIN  63  63 100 NE7       30.28R TC  17
CLINTON *      CLOUDY    65  63  93 NE9       30.29R TC  18
DECORAH *      PTSUNNY   61  61 100 VRB5      30.29R TC  16
DUBUQUE        CLOUDY    62  61  96 N8        30.28F TC  17
MONTICELLO *   CLOUDY    64  64 100 E7        30.25S TC  18
OELWEIN *      CLOUDY    63  63 100 E10       30.27R TC  17
WATERLOO       HVY RAIN  63  62  97 NE9       30.25R FOG     TC  17
$$

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

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      CLOUDY    66  63  90 NE10      30.26R TC  19
IOWA CITY      LGT RAIN  67  65  93 E9        30.23F TC  19
MT. PLEASANT * LGT RAIN  66  64  94 E9        30.20S TC  19
MUSCATINE *    CLOUDY    68  68 100 E8        30.23R TC  20
QUAD CITIES    CLOUDY    67  64  90 NE9       30.24R TC  19
$$

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

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     FOG       68  68 100 E9        30.20R VSB 1   TC  20
FAIRFIELD *    CLOUDY    66  66 100 E10       30.19S FOG     TC  19
FORT MADISON * FOG       68  68 100 NE7       30.20R VSB<1/4 TC  20
OSKALOOSA *      N/A     67  67  99 E9        30.21S VSB 3/4 TC  20
WASHINGTON *   FOG       66  66 100 E12       30.20S VSB 3/4 TC  19
$$

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