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Active Weather Warnings

Weather in Johnson City, Tennessee

07:50 AM
Now
Stormy Weather
70° F
Feels Like 70°
Precipitation 46 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 92 %
Today
Sunny with a Chance of Thunderstorms
Day 84°
Night 70°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 6

Johnson City Weather Forecast Updated

52 minutes ago
Last updated on

Air Quality in Johnson City

NOW
12 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 2.96 µg/m³
PM10 3.53 µg/m³
O3 0.006 ppm
NO2 1.8 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.53 µg/m³
NO 0.37 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.52.96 µg/m³
PM103.53 µg/m³
O312.37 µg/m³
NO23.35 µg/m³
SO20.15 µg/m³
CO118.94 µg/m³
NH30.53 µg/m³
NO0.37 µg/m³

Weather Alerts and Warnings for Johnson City

Severe Future Possible

Flood Watch

Flood Watch issued August 12 at 2:38AM EDT until August 12 at 3:00PM EDT by NWS Morristown TN
Aug 12, 7:00 AM Aug 12, 3:00 PM
WHAT: Flash flooding caused by excessive rainfall is possible.

WHERE: Portions of east Tennessee, including the following areas,
Anderson, Blount Smoky Mountains, Campbell, Claiborne, Cocke Smoky
Mountains, Grainger, Hamblen, Hancock, Hawkins, Jefferson, Johnson,
Knox, North Sevier, Northwest Blount, Northwest Carter, Northwest
Cocke, Northwest Greene, Scott TN, Sevier Smoky Mountains,
Southeast Carter, Southeast Greene, Sullivan, Unicoi, Union and
Washington TN and southwest Virginia, including the following
areas, Lee, Russell, Scott VA, Washington VA and Wise.

WHEN: From 7 AM EDT this morning through this afternoon.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Additional showers and storms are expected to spread into the
area this morning into the early afternoon. Due to recent
rainfall, poor antecedent soil conditions will lead to heightened
chances for localized flash flooding with this additional
convection.
- http://www.weather.gov/safety/flood
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You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: Aug 12, 6:57 AM Source: NWS Alert