Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

77°F

25°C

Humidity 41%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index78°F (26°C)
Last update 03 Jul 08:52 PM PDT
Extended Forecast for

9 Miles WNW Cave Junction OR

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind around 6 mph becoming east northeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 78. North northeast wind around 6 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Northeast wind 5 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Northeast wind 5 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. North northeast wind 5 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Northwest wind around 6 mph becoming east northeast after midnight.
Independence Day
Sunny, with a high near 78. North northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 56. Northeast wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 79. Northeast wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 59. North northeast wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Cave Junction OR
 42.23°N 123.78°W (Elev. 3399 ft)
4:41 pm PDT Jul 3, 2026
9pm PDT Jul 3, 2026-6pm PDT Jul 10, 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