Illinois Valley & Cave Junction, OR

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A scene along the Illinois River in Oregon, at very low water

Today’s Forecast:

🌤
74°F
High: 77° | Low: 41°
Current Temperature
Station: SBFO3
Observed at: 2:52 pm CDT on 9/27/26
Wind: 6 mph | Humidity: 39%

This Afternoon:Sunny, with a high near 76. North wind around 6 mph.
Tonight:Clear. Low around 41, with temperatures rising to around 43 overnight. North wind around 6 mph.
Monday:Sunny, with a high near 78. North northeast wind 5 to 8 mph.

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Today’s Report:

🥾 Hiking

Excellent
  92 /100

Excellent for hiking. High near 77°F. Light wind (8 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for hiking. Comfortable temperature (high near 73°F), light wind, and clear forecast.

⛺ Camping

Excellent
  93 /100

Excellent for camping. High near 77°F. Light wind (8 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for camping. Comfortable temperature (high near 73°F), light wind, and clear forecast.

🛶 Paddling

Excellent
  100 /100

Excellent for paddling. High near 77°F. Light wind (8 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for paddling. Comfortable temperature (high near 73°F), light wind, and clear forecast.

🐟 Fishing

Excellent
  94 /100

Excellent for fishing. High near 77°F. Light wind (8 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for fishing. Comfortable temperature (high near 73°F), light wind, and clear forecast.

About Illinois Valley & Cave Junction

Illinois Valley & Cave Junction is a southwest forest and river planning page for cave-area trips, Illinois River access, campgrounds, botanical areas, and remote Siskiyou routes.

Make the Most of a Illinois Valley & Cave Junction Day

Use river conditions, rain, smoke, heat, and remote-road status to choose between hikes, paddling, cave-area stops, campground time, or town services.

Weather Tips for Illinois Valley & Cave Junction

  • Illinois River flow, cold water, heavy rain, wildfire smoke, hot exposed river bars, remote roads, and limited cell service can all affect plans.
  • Check wind, cold water, current, river or lake levels, and lightning risk before choosing open water, river, or shoreline plans.
  • For campground days, check overnight lows, fire restrictions, rain timing, and how quickly shelter is available.
  • Have a land-based backup ready when wind, waves, high flow, or storms make water plans less comfortable.

Nearby Towns and Areas

This page is meant to cover a roughly 25-mile outdoor-planning area around Illinois Valley & Cave Junction, including Cave Junction, Illinois Valley towns, Oregon Caves approaches, Illinois River access, Eight Dollar Mountain, and nearby Siskiyou forest routes. It can also be useful when planning outdoor time near:

  • Cave Junction
  • Illinois River
  • Oregon Caves
  • Selma
  • Kerby
  • Eight Dollar Mountain
  • Siskiyou forest routes
  • Rough and Ready Creek

Plan Around the Conditions

Use the forecast to choose the best version of Illinois Valley & Cave Junction rather than forcing one itinerary. Match rain, wind, tides, river or lake conditions, trail surfaces, smoke, road access, seasonal closures, and temperature swings to the activity that gives your group the most comfortable day.

7-Day Forecast for Illinois Valley & Cave Junction

🌤
74°F
High: 77° | Low: 41°
Current Temperature
Station: SBFO3
Observed at: 2:52 pm CDT on 9/27/26
Wind: 6 mph | Humidity: 39%
Sun ☀
76° 41°
4%
Mon ☀
78° 43°
0%
Tue ☀
80° 46°
0%
Wed ☀
81° 46°
0%
Thu ☀
86° 47°
0%
Fri ⛅
82° 46°
0%
Sat ☀
86° 48°
0%

7-Day High Temperature Trend

76° Sun 78° Mon 80° Tue 81° Wed 86° Thu 82° Fri 86° Sat

7-Day Low Temperature Trend

41° Sun 43° Mon 46° Tue 46° Wed 47° Thu 46° Fri 48° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 90 Sun 80 Mon 70 Tue 20 Wed 20 Thu 20 Fri 20 Sat
Forecast data from the National Weather Service  |  Last Updated: September 28, 2026 2:07 am CDT