Lowden, Castle Rock & Rock River, IL

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Wooded grounds and river-bluff landscape at Lowden State Park
Wooded grounds and river-bluff landscape at Lowden State Park — Photo by IvoShandor, CC BY-SA 3.0, via Wikimedia Commons.

Today’s Forecast:

☀
°F
High: 64° | Low: 50°
Current Temperature
Clear
Station: KRPJ
Observed at: 6:55 pm CDT on 9/26/26
Wind: 6 mph | Humidity: %
Tonight:A slight chance of rain showers after 3am. Mostly cloudy, with a low around 50. East northeast wind 0 to 5 mph.
Sunday:A slight chance of rain showers before 10am. Mostly sunny, with a high near 69. East northeast wind 0 to 5 mph.
Sunday Night:Partly cloudy, with a low around 51. North northeast wind 0 to 5 mph.
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Today’s Report:

🥾 Hiking

Excellent
  100 /100

Excellent for hiking. High near 69°F. Low rain risk (12%).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for hiking. Comfortable temperature (high near 72°F), light wind, and clear forecast.

⛺ Camping

Excellent
  100 /100

Excellent for camping. High near 69°F. Low rain risk (12%).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for camping. Comfortable temperature (high near 72°F), light wind, and clear forecast.

⛵ Boating

Excellent
  95 /100

Excellent for boating. High near 69°F. Low rain risk (12%).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for boating. Comfortable temperature (high near 72°F), light wind, and clear forecast.

🛶 Paddling

Excellent
  95 /100

Excellent for paddling. High near 69°F. Low rain risk (12%).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for paddling. Comfortable temperature (high near 72°F), light wind, and clear forecast.

🐟 Fishing

Excellent
  100 /100

Excellent for fishing. High near 69°F. Low rain risk (12%).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for fishing. Comfortable temperature (high near 72°F), light wind, and clear forecast.

About Lowden, Castle Rock & Rock River

The two parks, their river ramps, lowden campground and castle rock primitive canoe camp create different weather decisions within one practical trip.

Planning an Outing

Begin with river stage, current, recreational traffic, fog, flooded ramps, bluff ice, wet trails and deer-season closure. Check the exact facility notice before committing to this a bluff-lined river corridor.

Weather Tips

  • For this a bluff-lined river corridor, read the gauge trend and upstream rainfall because current and floating debris can change after local skies clear.
  • Before camping at a bluff-lined river corridor, confirm loops, water service and gate hours with the managing agency.

Nearby Towns and Areas

  • Oregon
  • Lowden State Park
  • Castle Rock State Park
  • Rock River
  • Black Hawk Statue
  • Castle Rock canoe camp

Adjust the Day to the Forecast

Move to shore or a short protected trail when wind, waves, flow or access is unsuitable; otherwise, delay campsite setup until warned wind or lightning passes.

7-Day Forecast

☀
°F
High: 64° | Low: 50°
Current Temperature
Clear
Station: KRPJ
Observed at: 6:55 pm CDT on 9/26/26
Wind: 6 mph | Humidity: %
Sun 🌧
69° 51°
12%
Mon ☀
72° 53°
0%
Tue ⛅
73° 60°
10%
Wed ⛈
71° 60°
65%
Thu ⛈
71° 56°
70%
Fri ⛈
67° 53°
39%
Sat 🌧
67° --°
18%

7-Day High Temperature Trend

69° Sun 72° Mon 73° Tue 71° Wed 71° Thu 67° Fri 67° Sat

7-Day Low Temperature Trend

51° Sun 53° Mon 60° Tue 60° Wed 56° Thu 53° Fri 50° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Sun 100 Mon 100 Tue 21 Wed 21 Thu 65 Fri 100 Sat
Forecast data from the National Weather Service  |  Last Updated: September 26, 2026 8:20 pm CDT

Weather by Season

Winter

Freeze-thaw cycles leave shaded parts of this a bluff-lined river corridor icy while exposed ground softens; verify roads and gates after storms.

Spring

Basin-wide rain can raise water and move debris through this a bluff-lined river corridor; low access may remain closed after the crest.

Summer

Afternoon wind and lightning can end a water window on this a bluff-lined river corridor; warm water may also bring advisories.

Fall

Cold water arrives before winter air on this a bluff-lined river corridor; stronger fronts shorten launch windows and seasonal facilities reduce hours.

Key Climate Data Points

  • Local climate: This local planning area has an annual average temperature about 49–52°F, receives roughly 35–39 inches of precipitation and records commonly 25–35 inches.
  • Wettest season: Late spring and early summer.
  • Driest season: Late winter and early fall.
  • Annual average temperature: About 49–52°f.
  • Annual snowfall: Commonly 25–35 inches.