Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

HOURLY CLIMATE DATA UPDATE

KNOXVILLE MCGHEE TYSON AIRPORT
1156 AM EDT WED AUG 26 2026
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From 100 AM EDT through 1156 AM EDT

High...81 at 1155 AM EDT
Low....63 at 733 AM EDT

Precipitation.....Trace
Peak Wind Speed and Direction
1027 AM EDT: NW ( 310 Deg )at 9 MPH

** DATA IS NO LONGER CURRENT **

TRI-CITIES REGIONAL AIRPORT
1055 AM EDT WED AUG 26 2026
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From 100 AM EDT through 1055 AM EDT

High...79 at 1054 AM EDT
Low....57 at 727 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
1016 AM EDT: S ( 170 Deg )at 7 MPH

LOVELL FIELD CHATTANOOGA TN
1155 AM EDT WED AUG 26 2026
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From 100 AM EDT through 1155 AM EDT

High...85 at 1154 AM EDT
Low....67 at 711 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
603 AM EDT: WSW ( 240 Deg )at 12 MPH

OAK RIDGE TN
1155 AM EDT WED AUG 26 2026
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From 100 AM EDT through 1155 AM EDT

High...83 at 1154 AM EDT
Low....62 at 746 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
957 AM EDT: E ( 90 Deg )at 7 MPH

Local Radar