Drought Information Statement for Western & Central Wyoming Valid August 29th, 2025 Issued By: WFO Riverton, WY Contact Information: This product will be updated by September 26th, 2025, or sooner if drought conditions change significantly. Please see all currently available products at https://drought.gov/drought-information-statements. Please visit https://www.weather.gov/riw/DroughtInformationStatement for previous statements. Please visit https://www.drought.gov/drought-status-updates for regional drought status updates. Extreme (D3) drought conditions across Teton, Sublette, Lincoln, and Sweetwater Counties, with small portions of Fremont and Park counties. Severe (D2) conditions in Park, Teton, Sublette, Fremont, and Natrona Counties. Conditions worsened early in the month but thanks to monsoonal rain during the second half of the month, the conditions have stabilized. 1 U.S. Drought Monitor Drought intensity and Extent D4 (Exceptional Drought): None occurring. D3 (Extreme Drought): Sweetwater, Lincoln and Teton Counties. Portions of Sublette, Fremont and Park counties. D2 (Severe Drought): Teton, Lincoln, Sublette, Sweetwater, western Fremont. Park and Hot Springs, and southern Natrona Counties. D1 (Moderate Drought): Sections of Park, Fremont, Hot Springs, and Natrona Counties. D0: (Abnormally Dry): Parts of Park, Hot Springs, Washakie, Big Horn, Johnson, Natrona, and Fremont Counties. Recent Change in Drought Intensity Four Week Drought Monitor Class Change Drought Worsened: Across much of Park, Teton, Lincoln, Sublette, Sweetwater, Fremont, Big Horn, Washakie, and Hot Springs Counties. No Change: Portions of Park, Sweetwater, Fremont, Johnson, and Natrona Counties. Drought Improved: Small areas of Fremont and Natrona Counties. A hot and dry start to August led to most of the worsening conditions in the west. Monsoonal moisture finally came in during the second half of the month and stabilized conditions for now. Precipitation Much of western and southern WY saw trace to little amounts of precipitation. This lead to well below normal amounts for the month. Central and northern WY saw higher rainfall amounts. Heavy localized rain produced above normal values with a few record breaking days. Summary of Impacts (graphics on following slides) Links: See/submit Condition Monitoring Observer Reports (CMOR) and view the Drought Impacts Reporter Hydrologic Impacts Lower water levels are expected across many bodies of waters especially those in worsening droughts. Reservoir levels may continue to diminish with only minimal, localized rainfall. Agricultural Impacts USDA Wyoming Crop Progress and Condition Reports can be found here Fire Hazard Impacts Fire Hazards are on the higher side with many locations seeing cured fuels due to above normal temperatures and dry conditions. (Most recent Significant Wildland Fire Potential Outlook) Mitigation Actions Please refer to your municipality and/or water provider for mitigation information Clear debris from around structures to protect from potential wildfires Precipitation Outlook Valid August 29 - September 5 Seven-Day Precipitation Forecast Monsoon season will continue to bring some moisture into the area, mainly along and east of the Continental Divide. Warmer temperatures move in at the start of the work week and drier conditions will return. Long-Range Outlooks The latest monthly and seasonal outlooks can be found on the CPC homepage Probability of temperatures being above normal range from 40 to 70%. Highest in the southwest Below normal precipitation is indicated 33 to 60% with the driest areas in the west and especially across southwestern WY. Drought Outlook The latest monthly and seasonal outlooks can be found on the CPC homepage Seasonal Outlook Drought conditions are expected to persist across much of Park, Teton, Lincoln, Sublette and Sweetwater counties, as well as part of Fremont and Natrona counties. Drought conditions are expected to develop across Johnson, Big Horn, Washakie, Hot Springs, and northern Fremont and Natrona Counties.