Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

HOURLY CLIMATE DATA UPDATE

KNOXVILLE MCGHEE TYSON AIRPORT
455 AM EDT MON SEP 21 2026
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From 100 AM EDT through 455 AM EDT

High...77 at 135 AM EDT
Low....73 at 455 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
404 AM EDT: WSW ( 250 Deg )at 14 MPH

TRI-CITIES REGIONAL AIRPORT
455 AM EDT MON SEP 21 2026
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From 100 AM EDT through 455 AM EDT

High...70 at 120 AM EDT
Low....66 at 455 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
144 AM EDT: N ( 360 Deg )at 5 MPH

LOVELL FIELD CHATTANOOGA TN
455 AM EDT MON SEP 21 2026
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From 100 AM EDT through 455 AM EDT

High...77 at 104 AM EDT
Low....72 at 345 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
410 AM EDT: SE ( 140 Deg )at 6 MPH

OAK RIDGE TN
455 AM EDT MON SEP 21 2026
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From 100 AM EDT through 455 AM EDT

High...74 at 441 AM EDT
Low....73 at 455 AM EDT

Precipitation.....0.00
Peak Wind Speed and Direction
419 AM EDT: SW ( 230 Deg )at 7 MPH

Local Radar