National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

42°F

6°C

Humidity 99%
Wind Speed ESE 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 18 Feb 11:39 PM PST
Extended Forecast for

Graton CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • Tonight

    Tonight: Rain. Low around 39. Calm wind becoming southeast 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 9 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Frost then
    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 57.

    High: 57 °F

    Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 51.

    Low: 51 °F

    Showers

Detailed Forecast

Tonight
Rain. Low around 39. Calm wind becoming southeast 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain likely, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 9 mph, with gusts as high as 25 mph.
Friday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 52. Light and variable wind.
Friday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 36. Calm wind.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 46. Chance of precipitation is 80%.
Sunday
Rain. Cloudy, with a high near 57.
Sunday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 51.
Monday
Rain. Cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain. Mostly cloudy, with a low around 45.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
Last Update:
5:13 pm PST Feb 18, 2026
Forecast Valid:
11pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation