Special Weather Statement for Winnebago; Boone; McHenry +16 more
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
Shallow fog has developed early this morning across portions of the area outside of Chicago and may expand in coverage. Some fog has become locally dense, with visibilities down to one quarter mile or less, especially in low lying areas and near open fields. Conditions will gradually improve after sunrise. If...
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
Shallow fog has developed early this morning across portions of the area outside of Chicago and may expand in coverage. Some fog has become locally dense, with visibilities down to one quarter mile or less, especially in low lying areas and near open fields. Conditions will gradually improve after sunrise. If traveling early this morning, be prepared for sudden reductions in visibility over short distances. Slow down, use low beam headlights and increase following distances in fog. Be especially cautious in school zones.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 19 at 5:30AM CDT by NWS Chicago IL
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected