Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

GREEN MOUNTAIN (CCRO3)

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

NA

51°F

11°C

Humidity 99%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Mar 10:13 PM PDT
Extended Forecast for

Cottage Grove OR

  • Tonight

    Tonight: Rain likely, mainly before 3am.  Cloudy, with a low around 41. Light north northwest wind.  Chance of precipitation is 70%.

    Low: 41 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: A 10 percent chance of rain before 7am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 56. North wind 3 to 7 mph.

    High: 56 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31. North wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am.  Otherwise, mostly sunny, with a high near 58. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. North wind around 6 mph becoming calm  in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain.  Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Tonight
Rain likely, mainly before 3am. Cloudy, with a low around 41. Light north northwest wind. Chance of precipitation is 70%.
Saturday
A 10 percent chance of rain before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 56. North wind 3 to 7 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 35. North wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 63.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 44.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain. Snow level 4200 feet lowering to 2300 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 33.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Cottage Grove OR
 43.81°N 123.06°W (Elev. 600 ft)
9:42 pm PDT Mar 20, 2026
10pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database