Regional Weather Roundup
Issued by NWS

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138
ASUS43 KDMX 150601
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
100 AM CDT TUE SEP 15 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>046-150700-
   NORTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARROLL *      MOCLDY    70  70 100 S5        29.82F TC  21
DENISON *      MOCLDY    70  70 100 SW3       29.84S TC  21
LE MARS *      MOCLDY   N/A N/A N/A CALM      29.82R
MAURICE *      CLOUDY    61  61 100 N7        29.84S TC  16
SHELDON *      PTCLDY    59  59 100 NW6       29.82F TC  15
SIOUX CITY     CLOUDY    68  67  96 NW7       29.82R TC  20
6HR MIN TEMP:  67; 6HR MAX TEMP:  74;

SPENCER        MOCLDY    62  61  96 NW5       29.84R TC  17
6HR MIN TEMP:  61; 6HR MAX TEMP:  65;

STORM LAKE *   CLOUDY    68  66  94 CALM      29.83R FOG     TC  20
$$

IAZ055>058-069>071-079>083-090>094-150700-
   SOUTHWEST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AUDUBON *        N/A     73  70  88 SW6       29.85R TC  23
CLARINDA *     MOCLDY    70  68  94 CALM      29.83S TC  21
CRESTON *      CLOUDY    72  68  88 NE5G16    29.86R TC  22
HARLAN  *      MOCLDY    72  68  88 SW9       29.80F TC  22
LAMONI         MOCLDY    69  68  96 E7        29.88F TC  21
6HR MIN TEMP:  69; 6HR MAX TEMP:  82; 6HR PCP:  0.03;

$$

IAZ047>049-059>061-072>074-084-150700-
   CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AMES           LGT RAIN  71  69  93 S9        29.83F TC  22
6HR MIN TEMP:  69; 6HR MAX TEMP:  72; 6HR PCP:  0.72;

ANKENY *       LGT RAIN  72  72 100 SE10      29.86F TC  22
BOONE *        LGT RAIN  73  72  94 SW10G16   29.82S TC  23
CHARITON *     CLOUDY    72  68  88 S9        29.88F FOG     TC  22
DES MOINES     TSTM      70  69  97 SE12      29.87F TC  21
6HR MIN TEMP:  70; 6HR MAX TEMP:  75; 6HR PCP:  0.67;

GRINNELL*      RAIN      70  68  95 SW13      29.94R TC  21
KNOXVILLE *    LGT RAIN  72  70  94 SW8G15    29.91F TC  22
MARSHALLTOWN   LGT RAIN  71  68  90 S16G24    29.85F TC  22
6HR MIN TEMP:  68; 6HR MAX TEMP:  72; 6HR PCP:  0.51;

NEWTON *       CLOUDY    70  70 100 W6        29.92R FOG     TC  21
$$

IAZ004>006-015-016-023>025-035-036-150700-
   NORTH CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALGONA *       FOG       64  64 100 CALM      29.81F VSB 1/4 TC  18
CLARION *      CLEAR     70  70 100 S8        29.81F TC  21
ESTHERVILLE    MOCLDY    60  60 100 NW3       29.83F TC  16
6HR MIN TEMP:  60; 6HR MAX TEMP:  62;

FORT DODGE *   MOCLDY    70  70 100 W7        29.83F TC  21
MASON CITY     MOCLDY    69  67  93 SW13      29.82S TC  21
6HR MIN TEMP:  59; 6HR MAX TEMP:  69; 6HR PCP:  0.08;

IOWA FALLS *   MOCLDY    69  69  99 S9G17     29.85S TC  21
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-150700-
   NORTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   LGT RAIN  68  65  90 S6        29.92F TC  20
6HR MIN TEMP:  67; 6HR MAX TEMP:  71;

CLINTON *      CLOUDY    71  56  58 S15       29.91F TC  22
DUBUQUE        CLOUDY    63  61  93 SW13      29.95F THUNDER TC  17
6HR MIN TEMP:  62; 6HR MAX TEMP:  67; 6HR PCP:  0.18;

OELWEIN *      PTCLDY    66  68 100 SW13      29.87S TC  19
WATERLOO       LGT RAIN  69  67  93 S14G25    29.83F TC  21
6HR MIN TEMP:  64; 6HR MAX TEMP:  69; 6HR PCP:  0.31;

$$

IAZ064-065-067-068-078-150700-
   EAST CENTRAL IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DAVENPORT      MOCLDY    75  58  55 S23G41    29.89F TC  24
6HR MIN TEMP:  69; 6HR MAX TEMP:  75;

IOWA CITY      LGT RAIN  70  65  84 SE6       29.94R TC  21
6HR MIN TEMP:  67; 6HR MAX TEMP:  73; 6HR PCP: TRACE;

MUSCATINE *    MOCLDY    73  63  68 SW8G15    29.92R TC  23
QUAD CITIES    MOCLDY    75  57  53 S15G30    29.89F TC  24
6HR MIN TEMP:  68; 6HR MAX TEMP:  75;

$$

IAZ062-063-075>077-085>089-095>099-150700-
   SOUTHEAST IOWA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     MOCLDY    74  64  71 S12       29.92F TC  23
6HR MIN TEMP:  73; 6HR MAX TEMP:  76;

FAIRFIELD *      N/A     73  70  88 CALM      29.93R TC  23
WASHINGTON *   MOCLDY    75  68  78 SW9       29.92R TC  24
$$

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