Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

HOURLY CLIMATE DATA UPDATE

KNOXVILLE MCGHEE TYSON AIRPORT
455 AM EDT THU MAY 21 2026
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From 100 AM EDT through 455 AM EDT

High...72 at 105 AM EDT
Low....67 at 212 AM EDT

Precipitation.....0.01
Peak Wind Speed and Direction
102 AM EDT: NNE ( 30 Deg )at 19 MPH

TRI-CITIES REGIONAL AIRPORT
455 AM EDT THU MAY 21 2026
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From 100 AM EDT through 455 AM EDT

High...67 at 113 AM EDT
Low....64 at 455 AM EDT

Precipitation.....Trace
Peak Wind Speed and Direction
129 AM EDT: ENE ( 70 Deg )at 5 MPH

LOVELL FIELD CHATTANOOGA TN
455 AM EDT THU MAY 21 2026
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From 100 AM EDT through 455 AM EDT

High...70 at 425 AM EDT
Low....69 at 454 AM EDT

Precipitation.....0.14
Peak Wind Speed and Direction
113 AM EDT: NNW ( 340 Deg )at 9 MPH

OAK RIDGE TN
455 AM EDT THU MAY 21 2026
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From 100 AM EDT through 455 AM EDT

High...70 at 406 AM EDT
Low....67 at 208 AM EDT

Precipitation.....Trace
Peak Wind Speed and Direction
306 AM EDT: W ( 270 Deg )at 8 MPH

Local Radar