Bruneau Dunes State Park

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Sand dunes at Bruneau Dunes State Park
Sand dunes at Bruneau Dunes State Park. Image by Steve Spring via Wikimedia Commons, CC BY 3.0.

Today’s Forecast:

🌫
95°F
Current Temperature
Smoke
Station: KMUO
Observed at: 5:06 pm
Wind: 11 mph | Humidity: %
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 12:38PM MDT by NWS Boise ID (Expires: July 29, 2026 2:00 pm)
Show Alert Details & Instructions
Description: * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Very Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 3 PM MDT FRIDAY. * IMPACTS...Health warnings of emergency conditions. The entire population is more likely to be affected. Instructions: Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 10:32AM MDT by NWS Boise ID (Expires: July 29, 2026 2:00 pm)
Show Alert Details & Instructions
Description: * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT TUESDAY. * IMPACTS...Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. Instructions: Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 9:10AM MDT by NWS Boise ID (Expires: July 29, 2026 2:00 pm)
Show Alert Details & Instructions
Description: * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT TUESDAY. * IMPACTS...Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. Instructions: Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550
This Afternoon:Smoke. Sunny, with a high near 100. Northwest wind around 12 mph.
Tonight:Smoke. Mostly clear. Low around 59, with temperatures rising to around 64 overnight. West wind 7 to 13 mph.
Tuesday:Smoke. Sunny, with a high near 100. West wind 7 to 12 mph, with gusts as high as 21 mph.

Today’s Report:

🥾 Hiking

Not Recommended
  12 /100

Not Recommended for hiking. High near 98°F. Light wind (13 mph). Hot temperatures (high near 98°F). Smoke or haze in forecast. Temperatures outside comfort limits (98°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Heat: Marginal weather factor
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 12/100
Not Recommended for hiking. High near 98°F. Light wind (13 mph). Hot temperatures (high near 98°F). Smoke or haze in forecast. Temperatures outside comfort limits (98°F).

⛺ Camping

Not Recommended
  12 /100

Not Recommended for camping. High near 98°F. Light wind (13 mph). Hot temperatures (high near 98°F). Smoke or haze in forecast. Temperatures outside comfort limits (98°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Heat: Marginal weather factor
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 12/100
Not Recommended for camping. High near 98°F. Light wind (13 mph). Hot temperatures (high near 98°F). Smoke or haze in forecast. Temperatures outside comfort limits (98°F).

🎪 Outdoor Events / Activities

Not Recommended
  12 /100

Not Recommended for outdoor events / activities. High near 98°F. Light wind (13 mph). Hot temperatures (high near 98°F). Smoke or haze in forecast. Temperatures outside comfort limits (98°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Heat: Marginal weather factor
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 12/100
Not Recommended for outdoor events / activities. High near 98°F. Light wind (13 mph). Hot temperatures (high near 98°F). Smoke or haze in forecast. Temperatures outside comfort limits (98°F).

About Bruneau Dunes State Park

Bruneau Dunes State Park is an Idaho destination for a named dune, camping, sandboarding, and dark-sky destination.

Make the Most of a Bruneau Dunes State Park Day

Match the route, launch, facility, or turnaround time to wind, precipitation, temperature, smoke, water, snow, road access, and daylight. Keep a shorter or more sheltered backup ready.

Weather Tips for Bruneau Dunes State Park

  • Check official access notices, alerts, road or trail conditions, fire restrictions, and local forecasts before leaving.
  • Turn around before exposed ridges, canyon rims, dunes, or open ground become unsafe in lightning, heat, smoke, wind, or poor visibility.
  • Carry layers, water, navigation, sun protection, and seasonal traction or flotation appropriate to the activity.
  • Allow extra time for remote roads, mountain passes, wildfire smoke, spring runoff, and limited winter daylight.

Nearby Towns and Areas

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

  • Bruneau
  • Snake River Birds of Prey area
  • C.J. Strike Reservoir
  • Mountain Home
  • Observatory

Plan Around the Conditions

Choose the safest version of a Bruneau Dunes State Park day by matching the activity to current wind, precipitation, temperature, smoke, water or snow conditions, access, and daylight.

7-Day Forecast for Bruneau Dunes State Park

🌫
95°F
Current Temperature
Smoke
Station: KMUO
Observed at: 5:06 pm
Wind: 11 mph | Humidity: %
Mon 🌫
100° 59°
0%
Tue 🌫
100° 62°
0%
Wed 🌫
99° 62°
1%
Thu 🌫
102° 64°
0%
Fri ☀
104° 65°
0%
Sat ☀
108° 66°
0%
Sun ☀
97° 60°
0%

7-Day High Temperature Trend

100° Mon 100° Tue 99° Wed 102° Thu 104° Fri 108° Sat 97° Sun

7-Day Low Temperature Trend

59° Mon 62° Tue 62° Wed 64° Thu 65° Fri 66° Sat 60° Sun

📊 7-Day Outdoor Outlook

Good Fair Poor 12 Mon 12 Tue 12 Wed 12 Thu 6 Fri 6 Sat 12 Sun
Forecast data from the National Weather Service  |  Last Updated: July 27, 2026 5:58 pm CDT

Bruneau Dunes State Park Weather by Season

Winter

Winter at Bruneau Dunes State Park can bring snow, ice, wind, short daylight, and rapidly changing road or trail access.

Spring

Spring brings freeze-thaw mud, snowmelt, high rivers, cold water, and lingering mountain snow. Lower routes usually open well before high passes and backcountry trailheads.

Summer

Summer usually offers the broadest access, but dry heat, thunderstorms, lightning, wildfire smoke, fire restrictions, reservoir wind, and cold mountain water can alter plans.

Fall

Fall brings cooler air, shorter daylight, hunting-season awareness, and early snow at elevation. Confirm seasonal services and allow extra travel time on remote roads.

Key Climate Data Points

  • Annual average temperature: around 50–54°F, using the relevant local and elevation context.
  • Annual snowfall: usually 5–15 inches, with dry wind and large temperature swings.
  • Warmest months: July and August are normally warmest.
  • Coolest months: December and January are typically coolest.
  • Wettest season: winter and spring usually provide the greatest mountain precipitation, with local variation.
  • Driest season: midsummer is generally driest, despite isolated thunderstorms.
  • Best outdoor window: June through October for warm-season access, with midwinter best at established winter destinations.