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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Aug 01:30 AM PDT
Extended Forecast for

Monte Rio CA

  • Overnight

    Overnight: Mostly clear, with a low around 51. Light west wind.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50. West wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53. West wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Light west wind.
Monday
Sunny, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 50. West wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 53. West wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.49°N 123°W (Elev. 197 ft)
Last Update:
1:25 am PDT Aug 18, 2025
Forecast Valid:
1am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation