National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jun 18, 2026 at 4:44:25 am EDT

 

A few scattered showers and thunderstorms today along with breezy conditions. A strong to low end severe thunderstorm is possible, with winds the hazard. A few showers may linger into tomorrow, but generally clouds to decrease through the day. Mostly dry Saturday with isolated showers possible across the south.
Chances for showers and storms expected into tonight before decreasing early tomorrow. Isolated flooding is possible, in addition to a few strong to marginally severe storms. Dry weather with lower humidity later tomorrow into Saturday.
Chances for showers and storms expected into tonight before decreasing early tomorrow. Isolated flooding is possible, in addition to a few strong to marginally severe storms. Dry weather with lower humidity later tomorrow into Saturday.
Chances for showers and storms expected into tonight before decreasing early tomorrow. Isolated flooding is possible, in addition to a few strong to marginally severe storms. Dry weather with lower humidity later tomorrow into Saturday.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA04:15Overcast10716068SW 7-29.84
Andrews-Murphy NC04:15Overcast7696895CALM-29.94
Chattanooga TN04:16Overcast10777284S 8-29.85
Crossville TN03:53Overcast10747087-29.86
Dalton GA04:35Overcast107676100VRB 6-29.88
Knoxville TN (McGhee-Tyson)04:16Overcast10787076SSW 17G28-29.81
Middlesboro KY04:15Overcast10777078SSW 6-29.79
Monroe Cnty TN04:15Overcast10777594SSW 14G22-29.84
Morristown TN04:159777183SW 17G24-29.82
Oak Ridge TN03:53Overcast10787179-29.82
Tazewell Cnty VA14:35Partly Cloudy10745450SW 8G17-29.93
Tri-Cities TN03:53Partly Cloudy10676387CALM-29.82
Wise VA04:35Overcast10696894SW 18G32-29.83
Greeneville, TN04:15Overcast10716273VRB 3-29.83


Local Weather History For June 18th...
In 1992, storms dumped heavy rain in Knoxville with 3.60" of rain falling in 3 hours.

 

 

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