Johnson City, Tennessee Weather:
Active Weather Warnings
Thursday, July 2, 2026
Hot Day
Day 97°
Night 70°
Precipitation 55 %
Wind 2 mph
UV Index (0 - 11+) 11

Weather Alerts and Warnings for

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 29 at 1:34PM EDT until July 2 at 9:00PM EDT by NWS Morristown TN
Jun 30, 11:00 AM Jul 2, 9:00 PM
WHAT: Afternoon heat index values will approach or exceed 100 at
times over all but the higher elevations, and some valley
locations may see heat index values exceed 105.

WHERE: Portions of southwest North Carolina, east Tennessee, and
southwest Virginia.

WHEN: From 11 AM EDT /10 AM CDT/ Tuesday to 9 PM EDT /8 PM CDT/
Thursday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Jun 30, 3:16 AM Source: NWS Alert