Significant Flood Threat Continues For South-Central U.S.
A widespread and significant flood risk continues across the south-central U.S. from repeated rounds of intense rain and strong to severe thunderstorms. Flash flood watches are in effect for large part of the ArkLaTex. Today's concern extends from the Louisiana and extreme Upper Texas Gulf Coast to northeastern Texas and southeastern Oklahoma before shifting to all of eastern Texas on Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33ft.
Mostly Clear
74°F
23°C
| Humidity | 29% |
| Wind Speed | WSW 21 MPH |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 18 May 04:54 PM PDT |
Extended Forecast for
5 Miles SE Saint Helena CA
Wind Advisory May 19, 05:00pm until May 20, 05:00am
-
Tonight
Mostly Clear
Low: 43 °F
-
Wednesday
Sunny
High: 75 °F
-
Wednesday
NightMostly Clear
Low: 41 °F
-
Thursday
Sunny
High: 73 °F
-
Thursday
NightMostly Clear
Low: 44 °F
-
Friday
Sunny
High: 77 °F
-
Friday
NightMostly Clear
Low: 47 °F
-
Saturday
Mostly Sunny
High: 78 °F
-
Saturday
NightMostly Clear
Low: 47 °F
Detailed Forecast
Tonight
Mostly clear, with a low around 43. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 75. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 41. West northwest wind 5 to 10 mph, with gusts as high as 31 mph.
Thursday
Sunny, with a high near 73. Northwest wind around 6 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 44. West northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 85.
Additional Forecasts and Information
Point Forecast:
5 Miles SE Saint Helena CA
38.45°N 122.41°W (Elev. 157 ft)
38.45°N 122.41°W (Elev. 157 ft)
3:01 pm PDT May 18, 2021
5pm PDT May 18, 2021-6pm PDT May 25, 2021
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
