Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

61°F

16°C

Humidity 45%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 19 Mar 10:52 AM PDT
Extended Forecast for

18 Miles WNW Cave Junction OR

  • Today

    Today: Sunny, with a high near 70. Southwest wind 6 to 9 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 3 to 7 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 67. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after 11pm.  Mostly cloudy, with a low around 47. West southwest wind around 7 mph becoming northwest in the evening.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 11am.  Snow level 6700 feet lowering to 5100 feet. Mostly sunny, with a high near 56. North wind 6 to 10 mph.

    High: 56 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Southwest wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 55. South wind 3 to 7 mph.
Friday
Partly sunny, with a high near 67. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Friday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47. West southwest wind around 7 mph becoming northwest in the evening.
Saturday
A 40 percent chance of showers, mainly before 11am. Snow level 6700 feet lowering to 5100 feet. Mostly sunny, with a high near 56. North wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 62.
Monday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 58.
Tuesday Night
Rain likely, possibly mixed with snow showers. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain and snow showers. Snow level 5400 feet lowering to 4700 feet. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles WNW Cave Junction OR
 42.22°N 123.99°W (Elev. 2487 ft)
10:41 am PDT Mar 19, 2026
11am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
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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