Live event map
Floods in Wyoming
Track floods in Wyoming during the last 30 days on a live interactive map, with the newest verified events listed first.
Current events · newest first
Showing 9 of 9 events- Flash Flood Warning — NWS Cheyenne WY (issued Sep 18 9:12PM MDT)
A Flash Flood Warning was issued by NWS Cheyenne WY on September 18 at 9:12PM MDT (2026-09-19T03:12:00Z) for the Cheyenne, Wyoming area; the warning was valid until September 18 at 11:15PM MDT (2026-09-19T05:15:00Z).
- Flood Watches — Riverton2 related reports
2 related advisories are grouped here. Expand the group to review every affected area and source advisory.
View individual reports
- Flood Watch issued September 18 at 1:10PM MDT until September 20 at 6:00PM MDT by NWS Riverton WY
The National Weather Service in Riverton, WY issued a Flood Watch effective Sep 18 1:10 PM MDT (2026-09-18T19:10:00Z) through Sep 20 6:00 PM MDT for the Riverton, Wyoming area.
- Flood Watch issued by NWS Riverton WY
The National Weather Service Riverton WY issued a Flood Watch on September 18 at 1:10 PM MDT in effect until September 20 at 6:00 PM MDT. The watch applies to the Riverton, Wyoming area.
- Flood Watch issued September 18 at 1:10PM MDT until September 20 at 6:00PM MDT by NWS Riverton WY
- Hydrologic Outlook issued September 19 at 11:59AM MDT by NWS Riverton WY
The National Weather Service office in Riverton, Wyoming issued a Hydrologic Outlook on 2026-09-19 11:59 MDT indicating potential hydrologic concerns (e.g., elevated river/stream flows or minor flooding risk) for the Riverton, WY area.
- Flood Advisories — Riverton5 related reports
5 related advisories are grouped here. Expand the group to review every affected area and source advisory.
View individual reports
- Flood Advisory issued by NWS Riverton WY (Sep 18, 2026)
The National Weather Service office in Riverton, WY issued a Flood Advisory on September 18 at 3:20 PM MDT effective until 5:00 PM MDT for the Riverton, Wyoming area.
- Flood Advisory issued September 18 at 2:32PM MDT until September 18 at 4:30PM MDT by NWS Riverton WY
The National Weather Service in Riverton, WY issued a Flood Advisory on Sept. 18 beginning at 2:32 PM MDT and set to expire at 4:30 PM MDT the same day, indicating potential localized flooding in the Riverton, Wyoming area.
- Flood Advisory issued September 18 at 2:21PM MDT until September 18 at 2:45PM MDT by NWS Riverton WY
The National Weather Service office in Riverton, WY issued a Flood Advisory on 2026-09-18 at 2:21 PM MDT, in effect until 2:45 PM MDT the same day, indicating short-duration localized flooding threats in the Riverton, Wyoming area.
- Flood Advisory issued September 18 at 1:55PM MDT until September 18 at 5:00PM MDT by NWS Riverton WY
National Weather Service (Riverton, WY) Flood Advisory issued Sep 18 at 1:55 PM MDT, effective until Sep 18 at 5:00 PM MDT for the Riverton, Wyoming area.
- Flood Advisory issued September 18 at 1:51PM MDT until September 18 at 2:45PM MDT by NWS Riverton WY
The National Weather Service Riverton WY issued a Flood Advisory beginning September 18 at 1:51 PM MDT (2026-09-18T19:51:00Z) through 2:45 PM MDT (2026-09-18T20:45:00Z) for the Riverton, Wyoming area. The advisory indicates potential for localized flooding during that period.
- Flood Advisory issued by NWS Riverton WY (Sep 18, 2026)
- Flood Watch issued September 19 at 1:34AM MDT until September 20 at 6:00PM MDT by NWS Riverton WY
The National Weather Service office in Riverton, WY issued a Flood Watch on 2026-09-19 01:34 MDT, in effect through 2026-09-20 18:00 MDT, for the Riverton, Wyoming area. The watch indicates conditions are favorable for flooding in the watch area during this period.
- Flood Advisories — Cheyenne2 related reports
2 related advisories are grouped here. Expand the group to review every affected area and source advisory.
View individual reports
- Flood Advisory issued September 23 at 4:09PM MDT until September 23 at 6:15PM MDT by NWS Cheyenne WY
Flood Advisory issued September 23 at 4:09PM MDT until September 23 at 6:15PM MDT by NWS Cheyenne WY. Additional details were not included in the source data received by Planet Briefing.
- Flood Advisory issued September 23 at 2:33PM MDT until September 23 at 4:30PM MDT by NWS Cheyenne WY
Flood Advisory issued September 23 at 2:33PM MDT until September 23 at 4:30PM MDT by NWS Cheyenne WY. Additional details were not included in the source data received by Planet Briefing.
- Flood Advisory issued September 23 at 4:09PM MDT until September 23 at 6:15PM MDT by NWS Cheyenne WY
- Flood Watch issued September 20 at 2:10AM MDT until September 20 at 6:00PM MDT by NWS Riverton WY
Flood Watch issued September 20 at 2:10AM MDT until September 20 at 6:00PM MDT by NWS Riverton WY. Additional details were not included in the source data received by Planet Briefing.
- Flood Advisory issued September 19 at 9:36PM MDT until September 20 at 12:30AM MDT by NWS Cheyenne WY
Flood Advisory issued September 19 at 9:36PM MDT until September 20 at 12:30AM MDT by NWS Cheyenne WY. Additional details were not included in the source data received by Planet Briefing.
- Flash Flood Warning issued September 19 at 6:25PM MDT until September 19 at 9:30PM MDT by NWS Riverton WY
The National Weather Service office in Riverton, Wyoming issued a Flash Flood Warning for the Riverton area beginning 6:25 PM MDT on September 19 (2026-09-20T00:25:00Z) and continuing until 9:30 PM MDT that evening. The warning indicates imminent or ongoing flash flooding conditions.