Crystal Lake

Crystal Lake

Crystal Lake, Mchenry County, IL
0mi²
272.00ft
Directions
Lake Information

Crystal Lake, located in McHenry County, Illinois, is a popular destination for outdoor enthusiasts seeking to enjoy the beauty and tranquility of nature. Spanning over 230 acres, it is one of the largest natural lakes in the county, attracting visitors from all over the region. The lake's crystal-clear water and scenic views make it an ideal location for a variety of water activities, including swimming, boating, and fishing. The lake's diverse fish population, which includes largemouth bass, bluegill, crappie, and channel catfish, is a major attraction for fishing enthusiasts. These species can be caught all year round, with the peak fishing season occurring in the summer months. Anglers can rent boats or launch their own from the public access points located around the lake. The lake's calm waters also make it a great place for water skiing, jet skiing, and wakeboarding. The surrounding area of Crystal Lake offers a wealth of recreational opportunities, including hiking, camping, and picnicking. The Prairie Trail, which runs alongside the lake, is a popular destination for walkers, joggers, and cyclists. The trail passes through lush forests and grasslands, offering scenic views of the lake and the surrounding countryside. There are several picnic areas located along the trail, providing a perfect spot to relax and enjoy a meal. In addition to the lake and its surrounding trails, there are several parks and nature reserves in the area. Veteran Acres Park, located on the west side of the lake, offers hiking trails, a playground, and a nature center. Sterne's Woods and Fen, located just south of the lake, features a boardwalk trail through a scenic wetland area. Moraine Hills State Park, located to the north of the lake, offers hiking trails, fishing, and boating opportunities on the adjacent Fox River. Overall, Crystal Lake and its surrounding area offer a wealth of recreational opportunities for outdoor enthusiasts. With its crystal-clear waters, diverse fish population, and scenic views, it is an ideal destination for fishing and boating enthusiasts. The surrounding trails and parks offer ample opportunities for hiking, camping, and picnicking, making it a perfect spot for a day trip or a weekend getaway.

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Current Conditions

74°F°
Feels like 74°F°
Cloudy
Today's High
72°F°
Today's Low
48°F°

Water Temperature

64°F
Updated: (May 5)
Sign in to contribute temps.

Current water temperature for Crystal Lake is 64°F.

Current Snapshot

Wind1 mph NNW (Gust 4 mph)
Pressure
29.97 inHg
Visibility27 mi
Humidity46%
Cloud Cover100%

Forecast: Wednesday, May 7

Day 1 of 9

Hourly Insights

7 AM
53°F°
10 AM
67°F°
1 PM
70°F°
4 PM
66°F°

Temperature

High
72°F°
Low
48°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

9mph
Avg Speed
Gusts up to
30mph
CalmModerateStrong
Max Speed15 mph

Sun, Moon & UV

Sunrise10:41 AM
Sunset12:59 AM
Moon PhasewaxingGibbous
Max UV Index5 (Moderate)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

2:10 AM - 4:40 AM

2:04 PM - 4:34 PM

Minor Times (Good)

7:53 PM - 9:23 PM

7:59 AM - 9:29 AM

Outlook for Wednesday at Crystal Lake

Expect temperatures ranging from 48°F to 72°F. Skies look partly cloudy with little chance of precipitation. Winds will be averaging 9 mph, with potential gusts reaching up to 30 mph. The maximum UV index will be 5 (Moderate), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 2:10 AM and 2:04 PM, or try the minor windows near 7:53 PM and 7:59 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Crystal Lake.

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May 5th 2025

Lake Information

Elevation
272 ft
Area
0 mi²
Coordinates
42.234, -88.366

Weather Forecast

Wednesday

72°F
48°F

Thursday

62°F
42°F

Friday

66°F
37°F

Saturday

76°F
45°F

Sunday

78°F
47°F

Monday

76°F
57°F

Tuesday

71°F
58°F

Wednesday

76°F
57°F

Thursday

77°F
59°F
Wednesday - 5/7/2025
72°F
48°F
12am
55°F
64°F
29.99 hPa
1 mph
SW
G: 2 mph
2am
52°F
64°F
29.98 hPa
1 mph
SSE
G: 1 mph
4am
50°F
64°F
29.99 hPa
1 mph
SSE
G: 2 mph
6am
51°F
64°F
30.03 hPa
4 mph
NW
G: 8 mph
8am
59°F
64°F
30.07 hPa
4 mph
NW
G: 8 mph
10am
67°F
64°F
30.05 hPa
6 mph
NE
G: 12 mph
12pm
72°F
64°F
30.06 hPa
11 mph
ENE
G: 17 mph
2pm
68°F
64°F
30.07 hPa
14 mph
ENE
G: 21 mph
4pm
66°F
64°F
30.09 hPa
15 mph
NE
G: 22 mph
6pm
60°F
64°F
30.10 hPa
15 mph
NE
G: 24 mph
8pm
53°F
64°F
30.12 hPa
15 mph
NE
G: 28 mph
10pm
50°F
64°F
30.15 hPa
15 mph
NE
G: 29 mph

Water Temperature History

Trends for Crystal Lake

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

36°F

On Dec 1

Coldest point in the Last 12 Months.

Average in Period

60°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: August (77°F).
  • Coolest avg: November (37°F).
  • Rapid warming often occurs: May → June (+13°F).
  • Sharpest cooling trend: October → November (-16°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm08162432

Wind Direction

230°

Pressure

1016 mb

Cloud Cover

12%

Visibility

15 miles

Daily Pressure Forecast

WedThuFriSatSunMonTueWedThu0.008.8617.7226.5835.44
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Frequently Asked Questions About Crystal Lake

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