Dangerous Fire Conditions in the Southern High Plains; Severe Weather in the Central Plains and Upper Midwest; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected in the central Plains into the Upper Midwest. Heavy late-season snow and record cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075° N Lon: 122.27944° W Elev: 33.0 ft.

Clear

46°F

8°C

Humidity 81%
Wind Speed SSW 6 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 17 May 05:35 AM PDT
Detailed forecast for

North Bay Interior Mountains

Rest Of Tonight
Clear. Lows in the lower to mid 50s. Northwest winds 10 to 20 mph with gusts to around 35 mph.
Sunday
Sunny, breezy. Highs in the mid 70s. North winds 20 to 30 mph with gusts to around 45 mph.
Sunday Night
Clear, breezy. Lows in the 50s to upper 60s. North winds 10 to 20 mph increasing to 20 to 30 mph after midnight. Gusts up to 45 mph.
Monday
Sunny, breezy. Highs in the mid 70s to lower 80s. North winds 20 to 30 mph with gusts to around 45 mph decreasing to 10 to 20 mph in the afternoon.
Monday Night
Clear. Lows near 60. Northwest winds 5 to 10 mph.
Tuesday
Sunny. Highs in the upper 70s to mid 80s.
Tuesday Night
Clear. Lows in the upper 50s to mid 60s.
Wednesday Through Thursday
Mostly clear. Highs in the mid 70s to lower 90s. Lows in the upper 50s to mid 60s.
Thursday Night
Clear. Lows in the mid 50s to lower 60s.
Friday Through Saturday
Mostly clear. Highs in the upper 60s to lower 80s. Lows in the 50s.



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302 AM PDT Sun May 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database