Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Flood Watch |
| Area(s): | West Glacier Region; Flathead/Mission Valleys |
| Effective: | 2026-05-30 @ 1:02 pm -> 2026-05-31 @ 1:15 pm |
| Onset: | 2026-05-30 @ 7:00 pm -> 2026-06-01 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-05-30 @ 1:02 pm |
| Headline: | Flood Watch issued May 30 at 12:02PM MDT until June 1 at 12:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...A portion of northwest Montana, including the following areas, Flathead/Mission Valleys and West Glacier Region. This includes the following Specific Areas... Kalispell and Going-to-the-Sun Road in Glacier Park. * WHEN...From 6 PM MDT this evening through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Rockfall and debris flows are also possible in steep terrain. * ADDITIONAL DETAILS... - Rainfall of 1 to 2 inches for valley locations with 2 to 4 inches in the terrain are possible late Saturday through Monday. - https://www.weather.gov/mso/hydrology |
| Alert: | Flood Watch |
| Area(s): | Flathead, MT |
| Effective: | 2026-05-30 @ 1:01 pm -> 2026-05-31 @ 1:15 pm |
| Onset: | 2026-05-30 @ 1:01 pm -> 2026-06-01 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-05-30 @ 1:01 pm |
| Headline: | Flood Watch issued May 30 at 12:01PM MDT until June 1 at 6:00AM MDT by NWS Missoula MT |
| Description: |
...The Flood Watch continues for the following rivers in Montana... Flathead River At Columbia Falls affecting Flathead County. For the Flathead River...including At Columbia Falls...flooding is possible. * WHAT...Flooding is possible. * WHERE...Flathead River At Columbia Falls. * WHEN...Until Monday morning. * IMPACTS...At 13.0 feet, Farmers crops adjacent to the Flathead River are inundated with water. At 14.0 feet, Flooding of farmers crops adjacent to the Flathead River is likely. Sections of the Steel Bridge Road become inundated with water and impassable. * ADDITIONAL DETAILS... - At 10:45 AM MDT Saturday the stage was 13.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM MDT Saturday was 13.8 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 14.0 feet. Forecast crest is 14.1 feet on Saturday afternoon. - https://www.weather.gov/mso/hydrology |
| Alert: | Flood Watch |
| Area(s): | Flathead, MT; Lake, MT; Missoula, MT |
| Effective: | 2026-05-30 @ 1:00 pm -> 2026-05-31 @ 1:00 pm |
| Onset: | 2026-06-01 @ 11:25 am -> 2026-06-03 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-05-30 @ 1:00 pm |
| Headline: | Flood Watch issued May 30 at 12:00PM MDT until June 2 at 11:00PM MDT by NWS Missoula MT |
| Description: |
...The Flood Watch continues for the following rivers in Montana... Swan River Near Bigfork affecting Lake, Missoula and Flathead Counties. * WHAT...Flooding is possible. * WHERE...Swan River Near Bigfork. * WHEN...From Monday morning to Tuesday evening. * IMPACTS...At 6.5 feet, Flooding affects low lying areas adjacent to the river. At 6.6 feet, Flooding affects low lying areas north of Lion Creek Road and adjacent to the river. * ADDITIONAL DETAILS... - At 11:00 AM MDT Saturday the stage was 5.2 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 6.5 feet. - https://www.weather.gov/mso/hydrology |
| Alert: | Flood Watch |
| Area(s): | Missoula, MT |
| Effective: | 2026-05-30 @ 12:58 pm -> 2026-05-31 @ 1:00 pm |
| Onset: | 2026-05-31 @ 9:51 pm -> 2026-06-05 @ 2:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-05-30 @ 12:58 pm |
| Headline: | Flood Watch issued May 30 at 11:58AM MDT until June 5 at 1:00AM MDT by NWS Missoula MT |
| Description: |
...The Flood Watch continues for the following rivers in Montana... Clark Fork River Above Missoula affecting Missoula County. * WHAT...Flooding is possible. * WHERE...Clark Fork River Above Missoula. * WHEN...From Sunday evening to late Thursday night. * IMPACTS...At 7.5 feet, Flooding of low lying areas adjacent to the river is possible. Flood waters begin to flood streets in the Orchard Homes area, specifically the north end of Tower Street including Kehrwald Drive. * ADDITIONAL DETAILS... - At 11:00 AM MDT Saturday the stage was 6.2 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 7.5 feet. - https://www.weather.gov/mso/hydrology |
| Alert: | Flood Watch |
| Area(s): | East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Gates of the Mountains |
| Effective: | 2026-05-30 @ 12:46 pm -> 2026-05-31 @ 6:15 am |
| Onset: | 2026-05-30 @ 1:00 pm -> 2026-06-01 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-05-30 @ 12:46 pm |
| Headline: | Flood Watch issued May 30 at 11:46AM MDT until June 1 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and north central Montana, including the following areas, in central Montana, Gates of the Mountains. In north central Montana, Cascade County below 5000ft, East Glacier Park Region, Eastern Glacier, Western Toole, and Central Pondera, Eastern Pondera and Eastern Teton, Northern High Plains, Southern High Plains and Southern Rocky Mountain Front. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Rainfall amounts of 1 to 2 inches are expected with a 10% chance for 3 inches are possible in localized areas. The steadiest period of moderate to locally heavy rainfall will occur between late this afternoon through Sunday morning. Light rainfall lingers Sunday afternoon through at least Monday. The greatest impacts will be along creeks and rivers emanating from the Rocky Mountain Front, including but not limited to Badger Creek, Sun River, Marias River, and Saint Mary River. Some unpaved rural roads may become impassable. In addition, isolated thunderstorms are possible through this evening with brief intense precipitation rates which will be monitored for potential impacts in more sensitive locations such as burn scars and areas of steep terrain. - http://www.weather.gov/safety/flood |
| Alert: | Winter Weather Advisory |
| Area(s): | Absaroka/Beartooth Mountains |
| Effective: | 2026-05-30 @ 10:44 am -> 2026-05-31 @ 10:45 am |
| Onset: | 2026-05-31 @ 1:00 am -> 2026-06-01 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-05-30 @ 10:44 am |
| Headline: | Winter Weather Advisory issued May 30 at 9:44AM MDT until June 1 at 12:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow showers expected for the Beartooth Highway. Total snow accumulation of 1 to 3 inches above 9000 feet. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Travel on the Beartooth Highway will be impacted by wintry conditions, mainly at elevations above Vista Point. Be sure to monitor the weather and road conditions. * ADDITIONAL DETAILS...Those with recreation plans in the high country should be prepared for wintry conditions. |
| Alert: | Flash Flood Watch |
| Area(s): | Red Lodge Foothills; Absaroka/Beartooth Mountains; Northeast Bighorn Mountains; Sheridan Foothills |
| Effective: | 2026-05-30 @ 8:50 am -> 2026-05-31 @ 1:00 am |
| Onset: | 2026-05-30 @ 8:50 am -> 2026-05-31 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2026-05-30 @ 8:50 am |
| Headline: | Flash Flood Watch issued May 30 at 7:50AM MDT until May 31 at 12:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Elk, Robertson Draw, and East Side burn areas. * WHERE...Portions of south central Montana, including the following areas, Absaroka/Beartooth Mountains and Red Lodge Foothills, and north central Wyoming, including the following areas, Northeast Bighorn Mountains and Sheridan Foothills. * WHEN...Through this evening. * IMPACTS...Periods of heavy rainfall with embedded thunderstorms are expected over the Elk, Robertson Draw, and East Side burn areas today. Residents in and downstream of these burn areas should be prepared for potential rapid runoff, flooding, and debris flows. Narrow drainages and low-lying areas are especially prone to flooding. * ADDITIONAL DETAILS... - Periods of heavy rainfall with embedded thunderstorms are expected across the region. The Elk burn area along the eastern slopes of the Bighorn Mountains, and the Robertson Draw and East Side burn areas south of Red Lodge, could experience flash flooding and debris flows. Stay alert! - http://www.weather.gov/safety/flood |
| Alert: | Flash Flood Watch |
| Area(s): | Southern Rosebud |
| Effective: | 2026-05-30 @ 8:50 am -> 2026-05-31 @ 1:00 am |
| Onset: | 2026-05-30 @ 8:50 am -> 2026-05-31 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2026-05-30 @ 8:50 am |
| Headline: | Flash Flood Watch issued May 30 at 7:50AM MDT until May 31 at 12:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the North Remington McGhee burn scar. * WHERE...A portion of southeast Montana, including the following area, Southern Rosebud. * WHEN...Through this evening. * IMPACTS...Periods of heavy rainfall with embedded thunderstorms are expected over the North Remington McGhee Burn Area today. Residents in and near this burn scar should prepare for potential rapid runoff, flooding and debris flows. Narrow drainages and low-lying areas are especially prone to flood. Be sure to stay up to date with information from local authorities. * ADDITIONAL DETAILS... - Periods of heavy rainfall with embedded thunderstorms are expected across the region. The North Remington McGhee burn area in southern Rosebud County could experience flash flooding and debris flows. Stay alert! - Some locations that may experience flash flooding include... Birney. - http://www.weather.gov/safety/flood |