Moderate Extreme Weather ● Active

Special Weather Statement issued October 29 at 6:14AM MDT by NWS Billings MT, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Fog has formed along portions of the Yellowstone River from Billings
to Hysham, and the Bighorn River from Hardin northward. Travelers on
I-90 and I-94 in these areas should expect to encounter poor
visibility, locally to a quarter mile or less. With temps below
freezing some roads and sidewalks may be a little icy as well. Use
caution and allow extra time for your morning commute.

Expect fog to dissipate between 9 and 11 am this morning.

Measurements

Coordinates45.9965, -107.8018
RegionTreasure; Northern Big Horn; Northeastern Yellowstone; Southwestern Yellowstone
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyObserved
Cap Expires2026-10-29T09:15:00-06:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 5 hours ago (Oct 29, 2026 12:15 UTC) · we last heard from WMO Alert Hub (national weather services) 50 seconds ago

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Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

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What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

When thunder roars, go indoors — lightning risk outdoors, in vehicles, and first aid for strike victims.

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Earlier extreme weather events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

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