Dillon & Beaverhead Country, MT

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Dillon, Montana, from the Interstate 15 Off Ramp

Today’s Forecast:

☀
45°F
High: 48° | Low: 32°
Current Temperature
Clear
Station: KDLN
Observed at: 7:30 pm CST on 11/12/26
Wind: 5 mph | Humidity: 53%
Tonight:Mostly cloudy, with a low around 32. South southwest wind 5 to 8 mph.
Friday:Partly sunny. High near 57, with temperatures falling to around 52 in the afternoon. South southwest wind 5 to 14 mph, with gusts as high as 25 mph.
Friday Night:Mostly cloudy. Low around 34, with temperatures rising to around 37 overnight. South wind around 9 mph, with gusts as high as 20 mph.
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Today’s Report:

🚲 Biking

Excellent
  90 /100

Excellent for biking. High near 57°F. Light wind (14 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 70/100
Good for biking. High near 50°F. Risk of rain (29%). Light wind (8 mph).

⛺ Camping

Excellent
  100 /100

Excellent for camping. High near 57°F. Light wind (14 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for camping. High near 50°F. Low rain risk (29%). Light wind (8 mph).

🎪 Outdoor Events / Activities

Excellent
  85 /100

Excellent for outdoor events / activities. High near 57°F. Light wind (14 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 41/100
Use Caution for outdoor events / activities. High near 50°F. Risk of rain (29%). Light wind (8 mph).

About Dillon

Dillon & Beaverhead Country is a Montana destination for cycling, camping, historic sites, rivers, and broad southwest Montana trip planning.

Make the Most of a Dillon & Beaverhead Country 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 Dillon & Beaverhead Country

  • 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:

  • Dillon
  • Bannack State Park
  • Clark Canyon Reservoir
  • Beaverhead River
  • Wisdom

Plan Around the Conditions

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

7-Day Forecast for Dillon MT

☀
45°F
High: 48° | Low: 32°
Current Temperature
Clear
Station: KDLN
Observed at: 7:30 pm CST on 11/12/26
Wind: 5 mph | Humidity: 53%
Fri ⛅
57° 34°
0%
Sat 🌧
50° 29°
29%
Sun ⛅
47° 28°
0%
Mon 🌧
46° 30°
35%
Tue ❄
41° 27°
48%
Wed ❄
39° 26°
26%
Thu ❄
38° --°
40%

7-Day High Temperature Trend

57° Fri 50° Sat 47° Sun 46° Mon 41° Tue 39° Wed 38° Thu

7-Day Low Temperature Trend

34° Fri 29° Sat 28° Sun 30° Mon 27° Tue 26° Wed 50° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Fri 70 Sat 20 Sun 19 Mon 19 Tue 20 Wed 19 Thu
Forecast data from the National Weather Service  |  Last Updated: November 12, 2026 8:26 pm CST

Weather by Season

Winter

Winter around Dillon & Beaverhead Country 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 40–46°F, using the relevant local and elevation context.
  • Annual snowfall: commonly 35–70 inches in valleys and foothills, while nearby mountains receive much more.
  • 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.