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Coffeen Lake
81°F
Coffeen Lake
Coffeen, IL · Montgomery County
81°F water1,102 acres58 ft deep581 ft elev7 fish species
Right Now
84°
Clear
Water
81°
Wind
7 mph
NNE
Gusts
10 mph
Pressure
29.89
steady
LakeMonster planner
Plan Coffeen Lake
Coffeen Lake
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Best first move
Scout a wind-touched point or bank next to deeper water.
keep shade, oxygen, and a nearby depth change in the plan A workable forecast window starts near 6am with about 1 mph wind.
Listed targets to ask about: Largemouth bass · Bluegill
9 lake data sources in this readSee dataHideLatest source updated Jul 20, 11:42 PM CDT
- Current water temp
- 81°F
- Water temp history
- 488 readings
- Hourly weather
- 224 hours
- Solunar timing
- 3/5
- Fish species
- 7 listed
- Satellite imagery
- 304 captures
- Thermal imagery
- 1377 captures
- Map structure
- available
- Nearby lakes
- 3 options
The quick read is a planning aid, not a safety or access determination. The assistant will state uncertainty when the page does not contain a specific observation.
Forecast - Mon, Jul 20
High / Low
89° / 70°
Wind
3 mph
gusts 10 mph
Precip
100%
UV
8
Sunrise
5:48 AM
Sunset
8:19 PM
7-Day Weather Outlook
Every forecast metric for the week ahead, plus best days for fishing, boating, swimming, and paddling.
9 day forecast
Best Days This Week
Quick recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Thu, Jul 23
62/100
Thu, Jul 23 scores 62/100: Solunar 3/5, Wind 7 mph.
Best for Boating
Thu, Jul 23
90/100
Thu, Jul 23 scores 90/100: Wind 7 mph, Rain 0%.
Best for Swimming
Thu, Jul 23
75/100
Thu, Jul 23 scores 75/100: Air 77°F, Rain 0%.
Best for Paddling
Thu, Jul 23
85/100
Thu, Jul 23 scores 85/100: Wind 7 mph, Rain 0%.
Temperature Range
High Low
Precip & Wind
Rain % Wind mph
Daily Breakdown
Swipe to see all 9 days
| Metric | Mon20 | Tue21 | Wed22 | Thu23 | Fri24 | Sat25 | Sun26 | Mon27 | Tue28 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Thunderstorms | Mostly Cloudy | Partly Cloudy | Rain | Thunderstorms | Mostly Clear | Partly Cloudy | Partly Cloudy |
| High / Low | 89°/70° | 89°/71° | 79°/63° | 77°/58° | 77°/60° | 83°/61° | 90°/67° | 94°/75° | 94°/75° |
| Precip | 100% | 100% | 0% | 0% | 43% | 48% | 43% | 51% | 52% |
| Wind | 5 mphgust 10 | 13 mphgust 23 | 11 mphgust 18 | 7 mphgust 14 | 4 mphgust 11 | 5 mphgust 10 | 4 mphgust 8 | 6 mphgust 13 | 9 mphgust 17 |
| Pressure | 29.87" stable | 29.81" falling | 30.00" rising | 30.14" rising | 30.07" falling | 29.95" falling | 29.86" falling | 29.78" falling | 29.75" falling |
| UV Index | 8 | 9 | 6 | 7 | 6 | 8 | 9 | 8 | 8 |
| Sunrise | 5:48 AM | 5:48 AM | 5:49 AM | 5:50 AM | 5:51 AM | 5:52 AM | 5:53 AM | 5:53 AM | 5:54 AM |
| Sunset | 8:19 PM | 8:19 PM | 8:18 PM | 8:17 PM | 8:16 PM | 8:15 PM | 8:14 PM | 8:14 PM | 8:13 PM |
| Bite Rating | 3/5waxing crescent | 2/5first quarter | 2/5first quarter | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 4/5FULL |
Today Read
Coffeen LakeWind read
Calm
3 mph avg
Water read
81°
Warm-water bite
Air range
70° / 89°
today
Precip
100%
watch timing
Today's forecast for Coffeen Lake has calm wind, 70F to 89F air temperatures, 100% chance of precipitation, and 81F water.
Fishing Forecast
waxing crescent
3/5
Major
5:49 PM - 8:19 PM
Minor
12:19 PM - 1:49 PM
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July 18, 2026
Fish Species
7Water Temperature History
Current
85°
Jul 26
Low
32°
Dec 21
Average
59°
Last 12 Months
Warmest avg: July (80°F)
Coolest avg: January (33°F)
Rapid warming: February → March (+16°F)
Sharpest cooling: July → August (-24°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
7 day view
Hourly Wind Forecast
Swipe days or tap points
20
12am - 11pm
Wind SpeedWind Gust
Tap pointsPeak Wind
5 mph
6pm
Peak Gust
8 mph
highest gust
Pressure
29.94 inHg
rising
Visibility
11 mi
34% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Daily Pressure Forecast
Pressure stability helps plan windows
Pressure
Tap for detailsTap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5waxing crescent
Major5:49 PM - 8:19 PM
Minor12:19 PM - 1:49 PM
Water at 81°F -- warm-water species active.
Fish Species
7Nearby Lakes
Lake facts
About Coffeen Lake
Direct answers from the lake profile and latest available condition data. Verify access, regulations, weather alerts, and safety conditions with local authorities.
The latest available LakeMonster reading for Coffeen Lake, updated Jul 20, 2026, shows 81°F surface water temperature, clear, 7 mph wind. Conditions can vary across the lake and change quickly, so check local weather, access notices, and on-water observations before acting.
Coffeen Lake has 1,102 acres and a reported maximum depth of about 58 feet based on the latest lake profile available to LakeMonster.
Coffeen Lake is listed in Coffeen, Montgomery County, IL. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.
LakeMonster lists Largemouth bass, Bluegill, Channel catfish, White crappie, Black crappie, Flathead catfish, Striped bass for Coffeen Lake. A species listing does not guarantee current activity; use current temperature, weather, recent reports, and local regulations when planning.