Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523° N Lon: 122.65831° W Elev: 1540.0 ft.

NA

98°F

37°C

Humidity 18%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index94°F (34°C)
Last update 28 Jul 05:26 PM PDT
Detailed forecast for

Western Glenn and Colusa County Foothills Between 1000-3000 ft

Tonight
Clear. Lows 62 to 70. Southwest winds around 10 mph shifting to the northwest up to 10 mph after midnight. Gusts up to 20 mph.
Wednesday
Sunny. Highs 89 to 99. North winds up to 10 mph shifting to the southeast around 10 mph with gusts to around 20 mph in the afternoon.
Wednesday Night
Clear. Lows 62 to 71. West winds up to 10 mph with gusts to around 20 mph.
Thursday
Sunny. Highs 89 to 99. Light winds becoming southeast around 10 mph in the afternoon.
Thursday Night
Clear. Lows 62 to 72. South winds around 10 mph shifting to the west up to 10 mph after midnight. Gusts up to 20 mph.
Friday
Sunny. Highs 93 to 103.
Friday Night
Clear. Lows 64 to 74.
Saturday Through Tuesday
Clear. Highs 93 to 103. Lows 65 to 75.



Basemap Options
Click map to change the forecast location
Loading map...
202 PM PDT Tue Jul 28 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database