Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 21, 10:17 AM PDT until July 21, 09:00 PM PDT

Current conditions at

Arroyo Seco (CI114)

Lat: 36.359°NLon: 121.29°WElev: 235.0ft.

N/A

Humidity	82%
Wind Speed	NE 4 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	07 Mar 10:00 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Greenfield CA

Heat Advisory until July 21, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 21, 09:00pm
NOW until 9:00pm Tue
Heat Advisory
This Afternoon
High: 87 °F
Sunny
Tonight
Low: 60 °F
Mostly Clear
then Patchy
Fog
Wednesday
High: 81 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 56 °F
Increasing
Clouds
Thursday
High: 81 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Friday
High: 83 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear

Detailed Forecast

This Afternoon

Sunny, with a high near 87. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.

Tonight

Patchy fog after 4am. Otherwise, increasing clouds, with a low around 60. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.

Wednesday

Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light northwest wind increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

Wednesday Night

Increasing clouds, with a low around 56. Northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph.

Thursday

Mostly sunny, with a high near 81. Northwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

Thursday Night

Mostly clear, with a low around 56. Breezy.

Friday

Sunny, with a high near 83.

Friday Night

Mostly clear, with a low around 57.

Saturday

Sunny, with a high near 83.