Lake Glenn Shoals

Lake Glenn Shoals

Hillsboro, Montgomery County, IL
2mi²
182.00ft
Directions
Lake Information

Nestled in the picturesque landscape of Illinois, Lake Glenn Shoals is a haven for water enthusiasts and nature lovers alike. The lake, spanning over 1,085 acres, was originally constructed for flood prevention and now serves as a primary source of water supply for the City of Hillsboro. With its scenic surroundings and pristine waters, Lake Glenn Shoals is a popular destination for fishing, boating, and other water activities. At Lake Glenn Shoals, anglers can cast their lines for a chance to reel in a variety of fish species. The lake is known for its abundance of Largemouth Bass, Bluegill, Channel Catfish, and Crappie. With no outboard motor hp limit, visitors can enjoy a variety of boating activities, from leisurely cruises to high-speed thrills. Two concrete boat ramps at the North and South Marinas provide easy access to the water for boaters and anglers alike. But Lake Glenn Shoals isn't just for water activities. The lake's scenic beauty and peaceful atmosphere make it a popular destination for hiking, biking, and picnicking. The surrounding area features several hiking and biking trails, providing visitors with an opportunity to explore the natural beauty of the region. For those looking for a more leisurely experience, the lake's shores are dotted with numerous picnic areas, perfect for a relaxing afternoon in the great outdoors. Whether you're seeking adventure on the water or a serene escape into nature, Lake Glenn Shoals has something to offer for everyone. With its pristine waters, picturesque surroundings, and abundant wildlife, Lake Glenn Shoals is a true gem of the Illinois landscape.

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Current Conditions

69°F°
Feels like 71°F°
PartlyCloudy
Today's High
71°F°
Today's Low
54°F°

Water Temperature

60°F
Updated: (May 7)
Sign in to contribute temps.

Current water temperature for Lake Glenn Shoals is 60°F.

Current Snapshot

Wind2 mph ESE (Gust 5 mph)
Pressure
29.98 inHg
Visibility18 mi
Humidity62%
Cloud Cover54%

Forecast: Thursday, May 8

Day 1 of 9

Hourly Insights

7 AM
54°F°
35%
10 AM
57°F°
33%
1 PM
62°F°
23%
4 PM
70°F°
14%

Temperature

High
71°F°
Low
54°F°

Precipitation

Chance73%
Amount0.72"
Typerain

Wind

5mph
Avg Speed
Gusts up to
23mph
CalmModerateStrong
Max Speed12 mph

Sun, Moon & UV

Sunrise10:51 AM
Sunset12:58 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)

5:00 AM - 5:00 AM

2:38 PM - 5:08 PM

Minor Times (Good)

8:58 PM - 10:28 PM

8:22 AM - 9:52 AM

Outlook for Thursday at Lake Glenn Shoals

Expect temperatures ranging from 54°F to 71°F. There's a 73% chance of rain, potentially bringing around 0.72" rain. Winds will be averaging 5 mph, with potential gusts reaching up to 23 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 5:00 AM and 2:38 PM, or try the minor windows near 8:58 PM and 8:22 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake Glenn Shoals.

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May 8th 2025

Lake Information

Elevation
182 ft
Area
2 mi²
Coordinates
39.193, -89.478

Weather Forecast

Thursday

71°F
54°F

Friday

69°F
47°F

Saturday

76°F
45°F

Sunday

77°F
53°F

Monday

75°F
58°F

Tuesday

76°F
60°F

Wednesday

80°F
61°F

Thursday

88°F
66°F

Friday

84°F
68°F
Thursday - 5/8/2025
71°F
54°F
12am
60°F
60°F
30.00 hPa
1 mph
WSW
G: 2 mph
2am
59°F
60°F
30.00 hPa
4 mph
NE
G: 7 mph
4am
57°F
60°F
30.00 hPa
3 mph
NE
G: 8 mph
6am
54°F
60°F
30.01 hPa
6 mph
NE
G: 11 mph
8am
55°F
60°F
30.04 hPa
6 mph
NNE
G: 12 mph
10am
57°F
60°F
30.05 hPa
6 mph
NNE
G: 10 mph
12pm
62°F
60°F
30.04 hPa
7 mph
NNE
G: 9 mph
2pm
65°F
60°F
30.03 hPa
5 mph
N
G: 6 mph
4pm
70°F
60°F
30.00 hPa
5 mph
N
G: 8 mph
6pm
64°F
60°F
30.02 hPa
5 mph
NE
G: 12 mph
8pm
60°F
60°F
30.03 hPa
3 mph
N
G: 5 mph
10pm
59°F
60°F
30.06 hPa
6 mph
NNE
G: 13 mph

Water Temperature History

Trends for Lake Glenn Shoals

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

32°F

On Jan 12

Coldest point in the Last 12 Months.

Average in Period

55°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: July (80°F).
  • Coolest avg: January (35°F).
  • Rapid warming often occurs: May → June (+11°F).
  • Sharpest cooling trend: November → December (-13°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm06121824

Wind Direction

239°

Pressure

1016 mb

Cloud Cover

96%

Visibility

11 miles

Daily Pressure Forecast

ThuFriSatSunMonTueWedThuFri0.008.8617.7226.5835.44
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Frequently Asked Questions About Lake Glenn Shoals

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