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Banner Forest

Mountain bike trail conditions · Seattle & Snoqualmie, WA 47.484° N  122.556° W   433 FT Verified

DRY: Rideable

Friday, November 6th at 9pm Conditions turn Stay off.

Recent rain
0.1″ of rain, 6d ago
Today
55°Ffog or low cloud
  • Mon 10/26, no measurable rain, daily high 55 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION then DRY
  • Tue 10/27, 0.63 inches of rain, daily high 54 degrees Fahrenheit, modeled conditions: DRY then STAY OFF
  • Wed 10/28, 0.14 inches of rain, daily high 51 degrees Fahrenheit, modeled conditions: STAY OFF
  • Thu 10/29, 0.11 inches of rain, daily high 52 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION then DRY
  • Fri 10/30, 0.32 inches of rain, daily high 47 degrees Fahrenheit, modeled conditions: DRY then CAUTION then STAY OFF then CAUTION then DRY
  • Sat 10/31, no measurable rain, daily high 51 degrees Fahrenheit, modeled conditions: DRY
  • Sun 11/1, no measurable rain, daily high 48 degrees Fahrenheit, modeled conditions: DRY
  • Mon 11/2, no measurable rain, daily high 49 degrees Fahrenheit, modeled conditions: DRY
  • Tue 11/3, no measurable rain, daily high 56 degrees Fahrenheit, modeled conditions: DRY
  • Wed 11/4, no measurable rain, daily high 55 degrees Fahrenheit, modeled conditions: DRY
  • Today, Thu 11/5, no measurable rain, daily high 55 degrees Fahrenheit, modeled conditions: DRY
  • Fri 11/6, 0.36 inches of rain, daily high 53 degrees Fahrenheit, modeled conditions: DRY then STAY OFF
  • Sat 11/7, 0.25 inches of rain, daily high 61 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION then STAY OFF
  • Sun 11/8, 0.10 inches of rain, daily high 54 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION
  • Mon 11/9, no measurable rain, daily high 54 degrees Fahrenheit, modeled conditions: CAUTION, forecast preview, beyond the free window
  • Tue 11/10, no measurable rain, daily high 56 degrees Fahrenheit, modeled conditions: CAUTION, forecast preview, beyond the free window
Updated

Updated Thursday, November 5th, 2026 at 12:45 UTC. Verdict last changed: Thursday, November 5th. Official closures and current trail conditions take priority.

Modeled hourly. Closures and local conditions take priority.

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Is Banner Forest rideable today?

Yes. The live verdict is DRY, rideable now. 0.1″ of rain, 6d ago.

CHANGED
Friday, October 30th at 2pm
Dried back to CAUTION.
Friday, October 30th at 12pm
Rain moved in. Verdict dropped to STAY OFF.
Thursday, October 29th at 11am
Dried back to CAUTION.
Over the tracked history, Banner Forest has been rideable on 7 of the last 10 days, and too wet to ride on 3. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Banner Forest

Banner Forest is a mountain bike trail network in Seattle & Snoqualmie, WA. Soil data at the sampled location is classified as gravelly sandy. Sandy soil can help drainage, while dense tree cover can slow drying by reducing sun and wind exposure. Terrain data indicates an elevation of about 433 ft, an average terrain slope of 1.5° and a predominant NW-facing aspect. Terrain slope does not measure the trail tread or its drainage features. Loam models conditions across the network; individual trails and constructed surfaces can differ from these environmental inputs. Official closures and conditions on the ground take priority.

How we check ourselves

How these factors affect drying

SoilGravelly sandy

The soil data includes about 30% rock fragments. The model uses this to adjust drainage; it does not measure how quickly every trail section dries. Drying behavior is modeled from the soil classification, not measured directly on the trail.

CanopyDense 81%

Dense tree cover can reduce sunlight and wind at ground level, slowing drying. Its effect depends on weather and local openings.

TerrainGentle

Gentle terrain can allow water to linger, but slope alone does not establish whether water pools on a trail.

FAQ

Can you ride Banner Forest right now?

The current estimate for Banner Forest is DRY: rideable. Rideable now. Rain returns in ~2 days. 0.1″ of rain, 6d ago.

Is Banner Forest muddy right now?

Loam currently estimates dry conditions (DRY). Sandy soil usually drains quickly. 0.1″ of rain, 6d ago.

What is the soil and trail surface like at Banner Forest?

The soil data at the sampled location is classified as gravelly sandy. This describes an environmental input, not a survey of every trail surface.

How long does Banner Forest take to dry after rain?

Banner Forest has no fixed drying time. Rainfall, soil moisture, shade and the weather that follows all matter. Check the current estimate and wait until the trail surface is firm.

Can you ride Banner Forest after rain?

Sandy soil can help drainage, but heavier rain, shade and the trail surface also affect recovery. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

What does a frozen condition mean at Banner Forest?

FROZEN means Loam estimates snow cover or frozen ground. It does not establish that riding is allowed or that every trail is frozen. Check posted winter access rules and watch for soft ground as temperatures rise.

What's the terrain and elevation like at Banner Forest?

Terrain data indicates an elevation of about 433 ft, an average terrain slope of 1.5° and a predominant NW-facing aspect. Terrain slope does not measure the trail tread or its drainage features.

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Network profile

Network profile

Soil
Gravelly sandydrainage input · modeled
Terrain
Gentleterrain slope
Tree cover
81%Dense
Elevation
433 ft
Average grade
1.5°
Predominant aspect
NW-facing

Around Banner Forest

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