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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

GREEN MOUNTAIN (CCRO3)

Lat: 43.72528°NLon: 122.80556°WElev: 3047.0ft.

NA

47°F

8°C

Humidity 65%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 11 Oct 05:13 PM PDT
Extended Forecast for

Cottage Grove OR

Frost Advisory October 12, 12:00am until October 12, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. North wind 5 to 7 mph becoming calm in the evening.

    Low: 32 °F

    Clear then
    Frost

  • Columbus Day

    Columbus Day: Widespread frost before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.

    High: 67 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 9am. Otherwise, sunny, with a high near 69. Calm wind.

    High: 69 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, clear, with a low around 40.

    Low: 40 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. North wind 5 to 7 mph becoming calm in the evening.
Columbus Day
Widespread frost before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33. Calm wind.
Tuesday
Widespread frost before 9am. Otherwise, sunny, with a high near 69. Calm wind.
Tuesday Night
Mostly clear, with a low around 38. Calm wind.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Patchy fog after midnight. Otherwise, clear, with a low around 40.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 81.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 84.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 72.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Sunday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottage Grove OR
 43.81°N 123.06°W (Elev. 600 ft)
Last Update:
5:41 pm PDT Oct 11, 2026
Forecast Valid:
6pm PDT Oct 11, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation