Pompeys Pillar

Today’s Forecast:

Today’s Report:

About Pompeys Pillar

Pompeys Pillar is a Montana destination for a short historic climb, river-bottom trails, cycling stops, and seasonal programs.

Make the Most of a Pompeys Pillar Day

Use the forecast to match the day’s route, launch, road access, and turnaround time to wind, precipitation, temperature, smoke, water conditions, and elevation. Keep a shorter or lower-elevation backup ready.

Weather Tips for Pompeys Pillar

• Check current access, alerts, fire restrictions, and local forecasts before setting out.
• Turn around before exposed ridges, overlooks, or open ground become unsafe in thunder, high wind, smoke, or poor visibility.
• Montana weather can shift quickly; carry layers, sun protection, water, and a reliable navigation plan.
• Allow extra daylight for remote roads, seasonal traffic, wildlife, and changing trail or shoreline conditions.

Nearby Towns and Areas

This page can also be useful when planning outdoor time near:

• Pompeys Pillar National Monument
• Yellowstone River
• Huntley
• Worden
• Billings

Plan Around the Conditions

Choose the safest and most enjoyable version of a Pompeys Pillar day by matching the activity to current wind, precipitation, smoke, temperature, road access, trail surfaces, water conditions, and daylight.

7-Day Forecast for Pompeys Pillar

Pompeys Pillar Weather by Season

Winter

Winter around Pompeys Pillar can bring snow, ice, strong wind, short daylight, and abrupt cold. Check road, trail, campground, and facility access before leaving, and expect conditions to change sharply with elevation.

Spring

Spring is variable, with freeze-thaw cycles, mud, lingering mountain snow, rising water, and occasional late storms. Lower routes often open well before high-country roads and trails.

Summer

Summer generally offers the broadest access, but heat, afternoon thunderstorms, wildfire smoke, fire restrictions, gusty wind, and limited shade can alter plans. Start exposed outings early and carry more water than expected.

Fall

Fall brings cooler days, clearer periods, changing color, shorter daylight, and the possibility of early snow. Seasonal services can close before winter weather becomes continuous, so confirm local operations.

Key Climate Data Points

• Annual average temperature: around 43–47°F, using the relevant local and elevation context.
• Annual snowfall: commonly 25–45 inches, though wind redistribution and year-to-year swings are substantial.
• Warmest months: July and August are normally warmest.
• Coolest months: December and January are typically coolest.
• Wettest season: late spring and early summer often bring the most precipitation, with local mountain variation.
• Driest season: midsummer is often driest, although thunderstorms remain possible.
• Best outdoor window: June through September for the broadest access, with shoulder seasons useful at lower elevations.