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Lyon Lake
69°F
Lyon Lake
Marshall, MI · Calhoun County
69°F water91.39 acres7 ft deep
Right Now
86°
Clear
Water
69°
Wind
5 mph
W
Gusts
10 mph
Pressure
29.96
steady
LakeMonster planner
Plan Lyon Lake
Lyon Lake
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is finding the right window.
Best first move
Scout the first break or defined cover closest to a feeding flat.
use a search bait first, then slow down after the first contact A workable forecast window starts near 6am with about 4 mph wind.
8 lake data sources in this readSee dataHideLatest source updated Jul 16, 7:09 AM EDT
- Current water temp
- 69°F
- Water temp history
- 358 readings
- Hourly weather
- 224 hours
- Solunar timing
- 3/5
- Satellite imagery
- 163 captures
- Thermal imagery
- 746 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 - Thu, Jul 16
High / Low
89° / 69°
Wind
3 mph
gusts 12 mph
Precip
0%
UV
9
Sunrise
6:18 AM
Sunset
9:13 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 4 mph.
Best for Boating
Thu, Jul 16
90/100
Thu, Jul 16 scores 90/100: Wind 5 mph, Rain 0%.
Best for Swimming
Fri, Jul 24
80/100
Fri, Jul 24 scores 80/100: Air 78°F, Rain 0%.
Best for Paddling
Thu, Jul 16
85/100
Thu, Jul 16 scores 85/100: Wind 5 mph, Rain 0%.
Temperature Range
High Low
Precip & Wind
Rain % Wind mph
Daily Breakdown
Swipe to see all 9 days
| Metric | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 | Tue21 | Wed22 | Thu23 | Fri24 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Mostly Clear | Thunderstorms | Thunderstorms | Mostly Clear | Rain | Rain | Mostly Clear | Mostly Clear | Partly Cloudy |
| High / Low | 89°/69° | 89°/66° | 85°/70° | 83°/63° | 84°/64° | 84°/70° | 76°/59° | 77°/56° | 78°/61° |
| Precip | 0% | 47% | 54% | 16% | 38% | 70% | 0% | 0% | 0% |
| Wind | 5 mphgust 12 | 9 mphgust 16 | 15 mphgust 28 | 8 mphgust 15 | 9 mphgust 20 | 12 mphgust 24 | 9 mphgust 22 | 4 mphgust 8 | 6 mphgust 12 |
| Pressure | 30.02" stable | 29.99" falling | 29.83" falling | 29.91" rising | 29.86" falling | 29.75" falling | 29.94" rising | 30.07" rising | 30.01" falling |
| UV Index | 9 | 8 | 7 | 8 | 8 | 6 | 7 | 8 | 5 |
| Sunrise | 6:18 AM | 6:19 AM | 6:19 AM | 6:20 AM | 6:21 AM | 6:22 AM | 6:23 AM | 6:24 AM | 6:25 AM |
| Sunset | 9:13 PM | 9:13 PM | 9:12 PM | 9:11 PM | 9:10 PM | 9:10 PM | 9:09 PM | 9:08 PM | 9:07 PM |
| Bite Rating | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent | 2/5first quarter | 2/5first quarter | 3/5first quarter | 2/5waxing gibbous |
Today Read
Lyon LakeWind read
Calm
3 mph avg
Water read
69°
Warm-water bite
Air range
69° / 89°
today
Precip
0%
low concern
Today's forecast for Lyon Lake has calm wind, 69F to 89F air temperatures, 0% chance of precipitation, and 69F water.
Fishing Forecast
NEW
3/5
Major
4:30 PM - 7:00 PM
Minor
8:23 AM - 9:53 AM
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July 12, 2026
Water Temperature History
Current
73°
Jul 26
Low
34°
Mar 1
Average
61°
Last 12 Months
Warmest avg: August (76°F)
Coolest avg: March (43°F)
Rapid warming: March → April (+13°F)
Sharpest cooling: August → September (-15°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
7 day view
Hourly Wind Forecast
Swipe days or tap points
16
12am - 11pm
Wind SpeedWind Gust
Tap pointsPeak Wind
5 mph
8am
Peak Gust
12 mph
highest gust
Pressure
30.00 inHg
rising
Visibility
11 mi
13% 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
3/5NEW
Major4:30 PM - 7:00 PM
Minor8:23 AM - 9:53 AM
Water at 69°F -- warm-water species active.
Nearby Lakes
Lake facts
About Lyon 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 Lyon Lake, updated Jul 16, 2026, shows 69°F surface water temperature, clear, 5 mph wind. Conditions can vary across the lake and change quickly, so check local weather, access notices, and on-water observations before acting.
Lyon Lake has 91.39 acres and a reported maximum depth of about 7 feet based on the latest lake profile available to LakeMonster.
Lyon Lake is listed in Marshall, Calhoun County, MI. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.