Missouri Breaks & CMR Refuge, MT

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pper Cow Island Landing, above the mouth of Cow Creek, in the Missouri Breaks, Montana

Today’s Forecast:

🌤
48°F
High: 48° | Low: 35°
Current Temperature
Station: LBCM8
Observed at: 8:32 pm CST on 11/13/26
Wind: 3 mph | Humidity: 65%
Tonight:Patchy fog after 5am. Mostly cloudy, with a low around 35. East southeast wind 1 to 6 mph.
Saturday:Patchy fog before 8am. Mostly sunny. High near 59, with temperatures falling to around 53 in the afternoon. South southeast wind around 2 mph.
Saturday Night:Partly cloudy, with a low around 37. West wind 2 to 7 mph.
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Today’s Report:

⛵ Boating

  23 /100

Not Recommended for boating. High near 59°F. Temperatures outside comfort limits (59°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 83/100
Ideal conditions for boating. Comfortable temperature (high near 62°F), light wind, and clear forecast.

⛺ Camping

Excellent
  100 /100

Ideal conditions for camping. Comfortable temperature (high near 59°F), light wind, and clear forecast.

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for camping. Comfortable temperature (high near 62°F), light wind, and clear forecast.

🥾 Hiking

Excellent
  100 /100

Ideal conditions for hiking. Comfortable temperature (high near 59°F), light wind, and clear forecast.

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for hiking. Comfortable temperature (high near 62°F), light wind, and clear forecast.

About Missouri Breaks & CMR Refuge

Missouri Breaks & CMR Refuge is a Montana destination for remote river travel, boat-in camping, hiking, wildlife country, and limited services.

Make the Most of a Missouri Breaks & CMR Refuge 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 Missouri Breaks & CMR Refuge

  • Check current access, alerts, fire restrictions, and local forecasts before setting out.
  • Cold water, waves, current, wind, and lightning should guide launch and crossing decisions more than sunshine alone.
  • 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:

  • Upper Missouri River Breaks
  • Charles M. Russell Refuge
  • James Kipp Recreation Area
  • Fort Benton
  • Lewistown

Plan Around the Conditions

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

7-Day Forecast for Missouri Breaks & CMR Refuge

🌤
48°F
High: 48° | Low: 35°
Current Temperature
Station: LBCM8
Observed at: 8:32 pm CST on 11/13/26
Wind: 3 mph | Humidity: 65%
Sat 🌫
59° 37°
0%
Sun ⛅
62° 36°
0%
Mon ⛅
58° 38°
4%
Tue 🌧
50° 34°
22%
Wed ❄
43° 31°
63%
Thu ❄
42° 29°
21%
Fri ❄
41° --°
21%

7-Day High Temperature Trend

59° Sat 62° Sun 58° Mon 50° Tue 43° Wed 42° Thu 41° Fri

7-Day Low Temperature Trend

37° Sat 36° Sun 38° Mon 34° Tue 31° Wed 29° Thu 50° Fri

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Sat 100 Sun 100 Mon 70 Tue 19 Wed 20 Thu 20 Fri
Forecast data from the National Weather Service  |  Last Updated: November 13, 2026 9:38 pm CST

Weather by Season

Winter

Winter around Missouri Breaks & CMR Refuge 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. Cold water and ice remain serious hazards even when the air feels mild.

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. Cold water and ice remain serious hazards even when the air feels mild.

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.