Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

HOURLY CLIMATE DATA UPDATE

KNOXVILLE MCGHEE TYSON AIRPORT
355 AM EST THU DEC 25 2025
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From 100 AM EDT through 355 AM EST

High...60 at 355 AM EST
Low....57 at 1226 AM EST

Precipitation.....0.00
Peak Wind Speed and Direction
212 AM EST: WSW ( 240 Deg )at 10 MPH

TRI-CITIES REGIONAL AIRPORT
355 AM EST THU DEC 25 2025
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From 100 AM EDT through 355 AM EST

High...52 at 1232 AM EST
Low....47 at 112 AM EST

Precipitation.....0.01
Peak Wind Speed and Direction
1220 AM EST: NW ( 320 Deg )at 6 MPH

LOVELL FIELD CHATTANOOGA TN
355 AM EST THU DEC 25 2025
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From 100 AM EDT through 355 AM EST

High...60 at 131 AM EST
Low....54 at 327 AM EST

Precipitation.....0.00
Peak Wind Speed and Direction
1231 AM EST: S ( 170 Deg )at 9 MPH

OAK RIDGE TN
355 AM EST THU DEC 25 2025
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From 100 AM EDT through 355 AM EST

High...58 at 325 AM EST
Low....53 at 227 AM EST

Precipitation.....0.00
Peak Wind Speed and Direction
303 AM EST: WSW ( 240 Deg )at 7 MPH

Local Radar