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Waterfall Glen Forest Preserve

Mountain bike trail conditions · Chicago, IL 41.724° N  87.975° W   682 FT Verified

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
0.1″ of rain, 3d ago
Today
84°Fpartly cloudy

Updated Sep 5, 2026, 13:40 UTC. Modeled hourly. Unchanged for 10+ days. Official closures and current trail conditions take priority.

Last 10 daysoldest to newest

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Trail outlook

Is Waterfall Glen Forest Preserve rideable today?

Yes. The live verdict is PRIME, rideable now. 0.1″ of rain, 3d ago.

0.1″
0.1″
0.1″
FORECAST
PRIME 7d 2026-08-29: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-30: 0.10 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-08-31: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-09-01: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-09-02: 0.10 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-09-03: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-09-04: 0.00 inches of rain, representative trail outlook PRIME
84° PRIME Today 2026-09-05: 0.00 inches of rain, Partly cloudy, representative trail outlook PRIME
81° PRIME SUN 2026-09-06: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
82° PRIME MON 2026-09-07: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
84° PRIME TUE 2026-09-08: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
85° PRIME WED 2026-09-09: 0.10 inches of forecast rain, Light rain, representative trail outlook PRIME
Modeled rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Waterfall Glen Forest Preserve has been rideable on 10 of the last 10 days. Each daily marker shows the expected daytime condition. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Waterfall Glen Forest Preserve

Waterfall Glen Forest Preserve is a mountain bike trail network in Chicago, IL. The soil is clay and holds water. Heavy tree cover can slow drying after rain. The terrain averages a 0.8° slope at 682 ft and mainly faces E. Its nearly flat slopes can hold water in flat stretches.

How we check ourselves

How these factors affect drying

SoilClay

Dense clay holds moisture and stays slick the longest. It needs the most drying time before it’s worth riding.

CanopyDense 78%

Heavy tree cover shades the soil and blocks wind, so these trails dry slowly and can hold morning damp even after dry days.

TerrainHolds water

Water tends to pool and linger here rather than running off, so the surface can stay damp well after the weather clears.

FAQ

Can you ride Waterfall Glen Forest Preserve right now?

The current estimate for Waterfall Glen Forest Preserve is PRIME: rideable now. No significant rain in the forecast. 0.1″ of rain, 3d ago.

Is Waterfall Glen Forest Preserve muddy right now?

Loam currently estimates dry conditions (PRIME). Clay soil can stay wet for several days. 0.1″ of rain, 3d ago.

What is the soil and trail surface like at Waterfall Glen Forest Preserve?

Waterfall Glen Forest Preserve sits on clay soil that holds water. Dense clay holds moisture and stays slick the longest. It needs the most drying time before it’s worth riding.

How long does Waterfall Glen Forest Preserve take to dry after rain?

Waterfall Glen Forest Preserve can need several days to dry after meaningful rain. Its terrain holds water in low spots, which slows it. Heavy tree cover slows drying further.

Can you ride Waterfall Glen Forest Preserve after rain?

Clay soil needs time to dry. Riding it wet can leave lasting ruts. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

Does Waterfall Glen Forest Preserve get snow in winter?

Rarely. Waterfall Glen Forest Preserve sits low and mild enough (around 682 ft) that snow seldom affects riding; conditions are driven by rain and drying. Loam still flags FROZEN on the rare freeze.

What's the terrain and elevation like at Waterfall Glen Forest Preserve?

Waterfall Glen Forest Preserve sits at roughly 682 feet, faces mostly E, and averages a 0.8° grade with about 78% tree cover. It is exposed to morning sun, and the nearly flat terrain holds puddles in the flats.

When is the best time of year to ride Waterfall Glen Forest Preserve?

Snow rarely affects Waterfall Glen Forest Preserve. Check recent rain and allow time for the ground to dry. The live verdict above reflects today.

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Network profile

Network profile

Soil
Clayholds water
Drainage
Holds waterdries slowly
Tree cover
78%Dense
Elevation
682 ft
Average grade
0.8°
Predominant aspect
E-facing

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