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Active official alertUpdated

Dense Fog Advisory for Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty +9 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Moderate
Official urgency
Expected
Official certainty
Likely

What is happening

What: Visibility to as low as one quarter of a mile in dense fog. Impacts: Low visibility could make driving conditions hazardous. Where: A portion of north central Montana. When: From 9 PM MDT this evening to noon MST Sunday.

What the bulletin says to do

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Full official description

Bulletin details

* WHAT...Visibility to as low as one quarter of a mile in dense fog. * WHERE...A portion of north central Montana. * WHEN...From 9 PM MDT this evening to noon MST Sunday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Bridge and overpasses could become slippery.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Dense Fog Advisory issued October 31 at 11:30AM MDT until November 1 at 12:00PM MST by NWS Great Falls MT

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Great Falls MT. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections