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Morris, IL · Grundy County
Right Now
Clear
Water
73°
Wind
6 mph
ENE
Gusts
11 mph
Pressure
30.04
rising
Forecast - Tue, Jun 23
High / Low
77° / 54°
Wind
4 mph
gusts 11 mph
Precip
0%
UV
8
Sunrise
10:20 AM
Sunset
1:30 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Wed, Wed, Jul 1
Wed, Jul 1 scores 67/100 — Solunar 4/5, Wind 8 mph.
Best for Boating
Tue, Tue, Jun 23
Tue, Jun 23 scores 90/100 — Wind 6 mph, Rain 0%.
Best for Swimming
Tue, Tue, Jun 23
Tue, Jun 23 scores 75/100 — Air 77°F, Rain 0%.
Best for Paddling
Tue, Tue, Jun 23
Tue, Jun 23 scores 85/100 — Wind 6 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Tue23 | Wed24 | Thu25 | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Mostly Clear | Rain | Drizzle | Thunderstorms | Drizzle | Thunderstorms | Mostly Clear | Mostly Cloudy | Partly Cloudy |
| High / Low | 77°/54° | 78°/58° | 78°/63° | 78°/61° | 81°/61° | 85°/65° | 91°/73° | 89°/76° | 89°/76° |
| Precip | 0% | 67% | 42% | 52% | 39% | 50% | 0% | 26% | 17% |
| Wind | 6 mphgust 11 | 12 mphgust 20 | 11 mphgust 16 | 10 mphgust 21 | 9 mphgust 17 | 11 mphgust 18 | 12 mphgust 22 | 11 mphgust 19 | 8 mphgust 14 |
| Pressure | 30.16" stable | 30.03" falling | 29.93" falling | 29.95" rising | 29.97" rising | 29.94" falling | 29.95" stable | 29.96" stable | 29.98" rising |
| UV Index | 8 | 6 | 5 | 6 | 7 | 6 | 9 | 5 | 6 |
| Sunrise | 10:20 AM | 10:20 AM | 10:21 AM | 10:21 AM | 10:22 AM | 10:22 AM | 10:22 AM | 10:23 AM | 10:23 AM |
| Sunset | 1:30 AM | 1:30 AM | 1:30 AM | 1:30 AM | 1:31 AM | 1:30 AM | 1:30 AM | 1:30 AM | 1:30 AM |
| Bite Rating | 2/5first quarter | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 5/5FULL | 4/5FULL |
Today Read
Heidecke LakeWind read
Calm
4 mph avg
Water read
73°
Warm-water bite
Air range
54° / 77°
today
Precip
0%
low concern
Today's forecast for Heidecke Lake has calm wind, 54F to 77F air temperatures, 0% chance of precipitation, and 73F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is weak timing.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
first quarter
Major
12:49 AM - 3:19 AM
Minor
7:29 PM - 8:59 PM
Detailed temperature readings across your lake.
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Fish Species
8Water Temperature History
Current
81°
Jun 28
Low
38°
Feb 22
Average
60°
Last 12 Months
Warmest avg: July (79°F)
Coolest avg: February (41°F)
Rapid warming: March → April (+14°F)
Sharpest cooling: September → October (-11°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 12pm
Peak Wind
7 mph
5am
Peak Gust
13 mph
highest gust
Pressure
30.12 inHg
rising
Visibility
16 mi
11% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5first quarter
Water at 73°F -- warm-water species active.
Fish Species
8Nearby Lakes
FAQ
Heidecke Lake covers 1955.00 acres (3.05 square miles) with a maximum depth of 18.29 meters (~60 feet).
Heidecke Lake is located in Morris, Grundy County, IL. It is accessible to the public for outdoor activities.