Flash Flood Warning Issued for Northwestern Sheridan County, WY

Source: NOAA · Northwestern Sheridan County, Wyoming

This alert is no longer in effect.

NOAA issued it on June 15, 2026, 2 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Billings MT has issued a Flash Flood Warning for the Northern Elk Burn Area in northwestern Sheridan County until 1:30 AM MDT May 31.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Northwestern Sheridan County, Wyoming
Issued
June 15, 2026
Issuing authority
NWS Billings MT

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Northwestern Sheridan County, Wyoming.

Alert Details

Flash Flood Warning issued by NWS Billings MT. Effective from May 30 at 10:35 PM MDT until May 31 at 1:30 AM MDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Northern Elk Burn Area in northwestern Sheridan County in north central Wyoming. Some locations that will experience flash flooding include Parkman.

What You Should Do

Life threatening flooding of creeks, roads, and normally dry coulees in and downstream of the Northern Elk burn area is likely. In addition to the flash flooding, the heavy rains may trigger rockslides, mudslides, and debris flows in steep terrain. Be especially cautious at night when it is harder to recognize the dangers of flooding. Avoid the area.

Expected Conditions

At 10:35 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Northern Elk Burn Area. Between 0.7 and 1.2 inches of rain have fallen a few miles west of Parkman. Additional rainfall is occurring. Flash flooding and debris flow is expected to begin shortly.

Timeline

Alert effective May 30 at 10:35 PM MDT. Expires and ends May 31 at 1:30 AM MDT.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Billings MT has issued a Flash Flood Warning for the Northern Elk Burn Area in northwestern Sheridan County until 1:30 AM MDT May 31.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northwestern Sheridan County, Wyoming. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.