Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | East Glacier Park Region; Northern High Plains |
| Effective: | 2026-10-17 @ 12:59 am -> 2026-10-17 @ 7:00 pm |
| Onset: | 2026-10-17 @ 10:00 am -> 2026-10-18 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-17 @ 12:59 am |
| Headline: | High Wind Warning issued October 16 at 11:59PM MDT until October 18 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Southwest winds 40 to 50 mph, with gusts up to 80 mph expected. Isolated wind gusts near 90 mph in wind prone locations along the immediate eastern slopes of the Rocky Mountain Front. * WHERE...East Glacier Park Region and Northern High Plains. * WHEN...From 9 AM Saturday to midnight MDT Saturday Night. * IMPACTS...Travel will be difficult, especially for high profile vehicles. Isolated instances of tree damage and or power outages are possible. Outdoor recreation within Glacier National Park, particularly near mountain passes and saddles, will be dangerous and could lead to falls in areas of exposure. * ADDITIONAL DETAILS...The period of most intense wind speeds and gusts is likely to occur between 2 PM and 6 PM. |
| Alert: | High Wind Warning |
| Area(s): | Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Southern Rocky Mountain Front; Southern High Plains |
| Effective: | 2026-10-17 @ 12:59 am -> 2026-10-17 @ 7:00 pm |
| Onset: | 2026-10-17 @ 10:00 am -> 2026-10-18 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-17 @ 12:59 am |
| Headline: | High Wind Warning issued October 16 at 11:59PM MDT until October 18 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Southwest winds 30 to 40 mph, with gusts up to 75 mph expected. * WHERE...Eastern Glacier, Western Toole, and Central Pondera, Eastern Toole and Liberty, Southern High Plains, and Southern Rocky Mountain Front. * WHEN...From 9 AM Saturday to midnight MDT Saturday Night. * IMPACTS...Travel will be difficult, especially for high profile vehicles. Isolated instances of tree damage and or power outages are possible. * ADDITIONAL DETAILS...The period of most intense wind speeds and gusts is likely to occur between 2 PM and 6 PM. |
| Alert: | Lake Wind Advisory |
| Area(s): | Flathead/Mission Valleys |
| Effective: | 2026-10-16 @ 11:37 am -> 2026-10-17 @ 8:00 pm |
| Onset: | 2026-10-17 @ 3:00 pm -> 2026-10-17 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-10-16 @ 11:37 am |
| Headline: | Lake Wind Advisory issued October 16 at 10:37AM MDT until October 17 at 7:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Flathead/Mission Valleys. * WHEN...From 2 PM to 7 PM MDT Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. |
