EMA Reminds Community to Take Precautions During Extreme Heat

(WASHINGTON COUNTY, Tenn.) August 17, 2026 — With extreme heat and humid conditions continuing across Washington County and Johnson City, Washington County/Johnson City Emergency Management Agency is reminding everyone to take a few simple steps to stay safe.

The National Weather Service in Morristown forecasts temperatures in the upper 80s and low 90s through much of the week. Monday’s high is expected to reach around 93 degrees, with heat index values around 101 degrees. Highs near 90 degrees are also expected again Wednesday and Thursday.

Drink plenty of water throughout the day, even if you do not feel thirsty. If you are spending time outside, take frequent breaks in the shade or air conditioning and try to limit strenuous activity during the hottest part of the day.

Never leave children or pets inside a parked vehicle, even for a short period of time. Check on older family members, neighbors and others who may be more affected by the heat.

Know the signs of heat-related illness. Heavy sweating, dizziness, nausea, weakness, and headache can be signs of heat exhaustion. Confusion, loss of consciousness or other signs of heat stroke are a medical emergency. Call 911 immediately.

Stay hydrated, stay cool, and keep an eye on each other this week.

For the latest local forecast, watches and warnings, follow the National Weather Service in Morristown:

Website: https://www.weather.gov/mrx

Facebook: https://www.facebook.com/NWSMorristown

X: https://x.com/NWSMorristown

NWS Morristown provides forecast and warning information for Washington County and the surrounding region.