Special Weather Statement for Lyon; Sioux; O'Brien +26 more
Official alert fields
What you need to know
- Effective
- Ends or expires
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
Areas of fog, occasionally reducing visibility to less than a half mile, have developed from the James River Valley, east into portions of northwest Iowa and far southwest Minnesota early this morning. Travelers should be prepared for rapidly deteriorating or changing visibility, and use extra caution at...
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
Full official description
Bulletin details
Areas of fog, occasionally reducing visibility to less than a half mile, have developed from the James River Valley, east into portions of northwest Iowa and far southwest Minnesota early this morning. Travelers should be prepared for rapidly deteriorating or changing visibility, and use extra caution at intersections, railroad crossings, and school bus stops. The fog is expected to improve by 8 to 9 AM.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 27 at 5:31AM CDT by NWS Sioux Falls SD
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Sioux Falls SD. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
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- Alert
- Last collected