Freeze Warning Issued for Jackson Hole and South Lincoln County WY

Source: NOAA · Western Wyoming

This alert is no longer in effect.

NOAA issued it on September 8, 2026, 12 days 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 Riverton WY has issued a Freeze Warning from 2 AM to 9 AM MDT Wednesday for Jackson Hole, Star Valley, Upper Green River Basin and South Lincoln County areas.

The weather record, at a glance

Record type
Freeze Warning
Affected area
Western Wyoming
Issued
September 8, 2026
Issuing authority
NWS Riverton WY

Winter notices differ by expected impact and timing. The original notice carries the forecast window and any travel guidance for the named area.

Record status: historical. It was issued 12 days ago; use the issuing agency's live warning service for current conditions in Western Wyoming.

Alert Details

Freeze Warning issued by NWS Riverton WY. The alert is effective from 2 AM to 9 AM MDT Wednesday.

Affected Areas

Jackson Hole, Star Valley, Upper Green River Basin Foothills, Upper Green River Basin, and South Lincoln County.

What You Should Do

Take steps now to protect tender plants from the cold.

Expected Conditions

Sub-freezing temperatures of 26 to 32 degrees are expected, with isolated cold prone areas seeing 22 to 25 degrees.

Timeline

The warning is in effect from 2 AM to 9 AM MDT on September 9, 2026.

Original source: NOAA Official Notice ↗

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Similar notices nationwide by length or severity timing 8

Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.

Common Questions

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about?
NWS Riverton WY has issued a Freeze Warning from 2 AM to 9 AM MDT Wednesday for Jackson Hole, Star Valley, Upper Green River Basin and South Lincoln County areas.
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 Western 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.