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UTC Time: 8/15/2026, 07:01
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Superior Marsh Area, Iowa Hour by Hour Forcast

Aeronautical Observation: Automated synoptic observations via NWS Gateway.

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Superior Marsh Area, IA Regional Weather

Expires:202608150800;;218587
ASUS43 KDMX 150701
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
200 AM CDT SAT AUG 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>046-150800-
   NORTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DENISON *      CLOUDY    72  72 100 SE3       30.02R TC  22           
LE MARS *      CLOUDY    72  72 100 CALM      29.99F TC  22           
MAURICE *      CLOUDY    70  72 100 SE5       30.01F TC  21           
SHELDON *      CLOUDY    72  72 100 SE3       30.01S TC  22           
SIOUX CITY     CLOUDY    72  71  97 SE3       30.00R TC  22           
SPENCER        CLOUDY    72  70  93 SE7       30.03S TC  22           
$$
 

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed  PRES - Barometric Pressure  VSB - Visibility
WCI - Wind Chill Index  E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Iowa Weather Map Iowa Wind Speeds Map Iowa Humidity Map Iowa Barometric Pressure Map

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Forecast Discussion (FSD)

Issued: 1259 AM CDT Sat Aug 15 2026

Key Messages

Low stratus and fog continues through daybreak. Locally dense fog is possible, with fog lifting by 9-10 am. Lower confidence for stratus and fog Sunday into Sunday night with a small push of drier air.
Scattered showers and a few storms are likely to develop Saturday afternoon especially...