Hebgen & Quake Lakes

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Hebgen Lake in the Custer Gallatin National Forest

Today’s Forecast:

🌤
°F
Current Temperature
Station: E9980
Observed at: 8:15 pm
Wind: 0 mph | Humidity: %
⚠️
Red Flag Warning
Red Flag Warning issued July 24 at 1:09PM MDT until July 26 at 12:00AM MDT by NWS Billings MT (Expires: July 26, 2026 1:00 am)
Show Alert Details & Instructions
Description: The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from noon Saturday to midnight MDT Saturday night. The Fire Weather Watch is no longer in effect. * IMPACTS: Low humidities, hot temperatures, and increasing thunderstorm activity will create erratic fire behavior and new fire starts. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In North Central WY...Big Horn...Johnson...Sheridan...Washakie. In Northwest SD...Harding. In South Central MT...Big Horn...Carbon...Park...Stillwater Sweet Grass...Yellowstone. In Southeast MT...Carter...Custer...Fallon...Powder River Rosebud...Treasure. In Southwest MT...Gallatin. * WIND: Southwest 10 to 15 mph with gusts up to 25 mph. * THUNDERSTORMS: Widely scattered afternoon and evening thunderstorms will produce gusty and erratic winds, and spotty rainfall. * HUMIDITY: As low as 11 percent. * TEMPERATURES: Up to 108. Instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Tonight:A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 56. South wind 3 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday:A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny. High near 76, with temperatures falling to around 72 in the afternoon. South wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night:Partly cloudy, with a low around 54. South southeast wind 3 to 9 mph, with gusts as high as 22 mph.

Today’s Report:

Boating

Use Caution
  45 /100

Use Caution for boating. High near 74°F. Low rain risk (17%). Breezy winds (15 mph). Slight chance of thunderstorms.

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Marginal weather factor
Tomorrow's Outlook:
Use Caution 45/100

🛶 Paddling

Use Caution
  44 /100

Use Caution for paddling. High near 74°F. Low rain risk (17%). Breezy winds (15 mph). Slight chance of thunderstorms.

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Marginal weather factor
Tomorrow's Outlook:
Use Caution 44/100

Camping

Use Caution
  47 /100

Use Caution for camping. High near 74°F. Low rain risk (17%). Breezy winds (15 mph). Slight chance of thunderstorms.

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Marginal weather factor
Tomorrow's Outlook:
Use Caution 47/100

❄️ Snowmobiling

  5 /100

Not Recommended for snowmobiling. High near 74°F. Low rain risk (17%). Breezy winds (15 mph). Extreme heat (high near 74°F). Slight chance of thunderstorms. Temperatures outside comfort limits (74°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Heat: Unfavorable weather factor
  • Thunderstorm: Marginal weather factor
Tomorrow's Outlook:
Not Recommended 5/100


About Hebgen & Quake Lakes

Hebgen & Quake Lakes is a Montana destination for high-elevation boating, paddling, camping, and cold-water conditions west of Yellowstone.

Make the Most of a Hebgen & Quake Lakes 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 Hebgen & Quake Lakes

  • 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:

  • Hebgen Lake
  • Earthquake Lake
  • West Yellowstone
  • Madison River
  • Raynolds Pass

Plan Around the Conditions

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

7-Day Forecast for Hebgen & Quake Lakes

🌤
°F
Current Temperature
Station: E9980
Observed at: 8:15 pm
Wind: 0 mph | Humidity: %
Sat
76° 54°
17%
Sun
76° 55°
8%
Mon
76° 54°
3%
Tue
74° 54°
7%
Wed
77° 54°
8%
Thu
78° 55°
7%
Fri
79° --°
4%

7-Day High Temperature Trend

76° Sat 76° Sun 76° Mon 74° Tue 77° Wed 78° Thu 79° Fri

7-Day Low Temperature Trend

54° Sat 55° Sun 54° Mon 54° Tue 54° Wed 55° Thu 50° Fri

📊 7-Day Outdoor Outlook

Good Fair Poor 46 Sat 94 Sun 94 Mon 100 Tue 88 Wed 82 Thu 76 Fri
Forecast data from the National Weather Service  |  Last Updated: July 24, 2026 8:50 pm CDT

Weather by Season

Winter

Winter around Hebgen & Quake Lakes 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 35–42°F, using the relevant local and elevation context.
  • Annual snowfall: often 100 inches or more in nearby high terrain, with deep, persistent snow and major elevation variation.
  • 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.