Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583° N Lon: 123.07333° W Elev: 3355.0 ft.

NA

82°F

28°C

Humidity 22%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index80°F (27°C)
Last update 08 Sep 06:01 PM PDT
Detailed forecast for

Western Lake

Tonight
Partly cloudy. Lows 58 to 68. West wind around 10 mph shifting to the north overnight.
Wednesday
Mostly sunny. Highs 88 to 98. North wind around 5 mph shifting to the west in the afternoon.
Wednesday Night
Mostly cloudy. Lows 64 to 74. Northwest wind up to 10 mph.
Thursday
Mostly sunny. Highs 88 to 100. Northwest wind around 10 mph.
Thursday Night
Mostly clear. Lows 59 to 69. Northwest wind 5 to 15 mph.
Friday
Sunny. Highs 83 to 94. Northwest wind around 15 mph.
Friday Night Through Saturday Night
Mostly clear. Lows 49 to 59. Highs 79 to 94.
Sunday And Sunday Night
Clear. Highs 73 to 83. Lows 49 to 59.
Monday Through Tuesday
Mostly clear. Highs 75 to 86. Lows 51 to 61.



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136 PM PDT Tue Sep 8 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database