Carlyle Lake, IL

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Water flowing through the open gates of Carlyle Lake Dam
Water flowing through the open gates of Carlyle Lake Dam — Photo by U.S. Army Corps of Engineers, photographer not specified or unknown, Public domain, via Wikimedia Commons.

Today’s Forecast:

🌤
40°F
High: 40° | Low: 26°
Current Temperature
Station: KENL
Observed at: 9:35 pm CST on 11/13/26
Wind: 6 mph | Humidity: 62%
Tonight:Mostly clear, with a low around 26. North wind around 3 mph.
Saturday:Sunny. High near 50, with temperatures falling to around 46 in the afternoon. North wind 0 to 3 mph.
Saturday Night:Mostly clear, with a low around 27. Wind around 0 mph.
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Today’s Report:

🥾 Hiking

Excellent
  87 /100

Ideal conditions for hiking. Comfortable temperature (high near 50°F), light wind, and clear forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 92/100
Ideal conditions for hiking. Comfortable temperature (high near 53°F), light wind, and clear forecast.

🚲 Biking

Good
  79 /100

Ideal conditions for biking. Comfortable temperature (high near 50°F), light wind, and clear forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 84/100
Ideal conditions for biking. Comfortable temperature (high near 53°F), light wind, and clear forecast.

⛺ Camping

Excellent
  100 /100

Ideal conditions for camping. Comfortable temperature (high near 50°F), light wind, and clear forecast.

  • 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 53°F), light wind, and clear forecast.

⛵ Boating

Not Recommended
  23 /100

Not Recommended for boating. High near 50°F. Temperatures outside comfort limits (50°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 23/100
Not Recommended for boating. High near 53°F. Temperatures outside comfort limits (53°F).

🛶 Paddling

Not Recommended
  23 /100

Not Recommended for paddling. High near 50°F. Temperatures outside comfort limits (50°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 23/100
Not Recommended for paddling. High near 53°F. Temperatures outside comfort limits (53°F).

🐟 Fishing

Excellent
  89 /100

Ideal conditions for fishing. Comfortable temperature (high near 50°F), light wind, and clear forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 93/100
Ideal conditions for fishing. Comfortable temperature (high near 53°F), light wind, and clear forecast.

About Carlyle Lake

This page connects the USACE lake, principal campgrounds, marinas, ramps, bicycle route and paddle trails, where exposure and operating notices matter as much as the regional forecast.

Planning an Outing

A workable outing depends on strong wind, waves, lake level, ramps, algae, lightning, sailing operations, paddle exposure and campground access. Match the forecast to the chosen access rather than assuming every component operates alike.

Weather Tips

  • Across a broad sailing reservoir, compare wind direction with open-water fetch; short, steep waves can build before rain arrives.
  • Within a broad sailing reservoir, honor posted wet-trail closures and keep bicycles off hiking-only routes.
  • Before camping at a broad sailing reservoir, confirm loops, water service and gate hours with the managing agency.

Nearby Towns and Areas

  • Eldon Hazlet State Park
  • Carlyle
  • Dam West
  • Carlyle Marina
  • Kaskaskia River
  • General Dean Bridge

Adjust the Day to the Forecast

Move to shore or a short protected trail when wind, waves, flow or access is unsuitable; otherwise, replace natural-surface riding with a paved route when trails are closed.

7-Day Forecast

🌤
40°F
High: 40° | Low: 26°
Current Temperature
Station: KENL
Observed at: 9:35 pm CST on 11/13/26
Wind: 6 mph | Humidity: 62%
Sat ☀
50° 27°
0%
Sun ☀
53° 28°
0%
Mon ☀
56° 28°
0%
Tue ☀
58° 31°
0%
Wed ☀
63° 40°
0%
Thu ⛅
64° 47°
12%
Fri ⛅
69° --°
10%

7-Day High Temperature Trend

50° Sat 53° Sun 56° Mon 58° Tue 63° Wed 64° Thu 69° Fri

7-Day Low Temperature Trend

27° Sat 28° Sun 28° Mon 31° Tue 40° Wed 47° Thu 50° Fri

📊 7-Day Outdoor Outlook

Good Fair Poor 70 Sat 85 Sun 100 Mon 100 Tue 100 Wed 100 Thu 100 Fri
Forecast data from the National Weather Service  |  Last Updated: November 13, 2026 10:53 pm CST

Weather by Season

Winter

Freeze-thaw cycles leave shaded parts of this a broad sailing reservoir icy while exposed ground softens; verify roads and gates after storms.

Spring

Basin-wide rain can raise water and move debris through this a broad sailing reservoir; low access may remain closed after the crest.

Summer

Afternoon wind and lightning can end a water window on this a broad sailing reservoir; warm water may also bring advisories.

Fall

Cold water arrives before winter air on this a broad sailing reservoir; 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 55–58°F, receives roughly 42–47 inches of precipitation and records commonly 8–16 inches.
  • Wettest season: Spring.
  • Driest season: Late summer into early autumn.
  • Annual average temperature: About 55–58°f.
  • Annual snowfall: Commonly 8–16 inches.