St. Anthony Sand Dunes

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St. Anthony Sand Dunes landscape

Today’s Forecast:

91°F
Current Temperature
Clear
Station: KRXE
Observed at: 4:00 pm
Wind: 6 mph | Humidity: 26%
⚠️
Heat Advisory
Heat Advisory issued July 26 at 12:26AM MDT until July 26 at 9:00PM MDT by NWS Pocatello ID (Expires: July 26, 2026 10:00 pm)
Show Alert Details & Instructions
Description: * WHAT...Temperatures of 95 to 100 this afternoon. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Franklin/Eastern Oneida Region, Lower Snake River Plain, Marsh and Arbon Highlands, Raft River Region, Southern Hills/Albion Mountains, and Upper Snake River Plain. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. Instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
This Afternoon:A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 95. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight:Mostly cloudy. Low around 59, with temperatures rising to around 63 overnight. East southeast wind 5 to 13 mph, with gusts as high as 23 mph.
Monday:Partly sunny, with a high near 91. South southeast wind 5 to 10 mph, with gusts as high as 21 mph.

Today’s Report:

🥾 Hiking

  5 /100

Not Recommended for hiking. High near 95°F. Low rain risk (13%). Light wind (13 mph). Hot temperatures (high near 95°F). Slight chance of thunderstorms. Temperatures outside comfort limits (95°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Heat: Marginal weather factor
  • Thunderstorm: Marginal weather factor
  • Alert: Unfavorable weather factor
⚠️ Active weather alerts affect this activity!
Tomorrow's Outlook:
Not Recommended 6/100
Not Recommended for hiking. High near 91°F. Low rain risk (7%). Light wind (10 mph). Temperatures outside comfort limits (91°F).

Camping

  18 /100

Not Recommended for camping. High near 95°F. Low rain risk (13%). Light wind (13 mph). Hot temperatures (high near 95°F). Slight chance of thunderstorms.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Heat: Marginal weather factor
  • Thunderstorm: Marginal weather factor
  • Alert: Unfavorable weather factor
⚠️ Active weather alerts affect this activity!
Tomorrow's Outlook:
Not Recommended 22/100
Not Recommended for camping. High near 91°F. Low rain risk (7%). Light wind (10 mph).

🎪 Outdoor Events / Activities

  12 /100

Not Recommended for outdoor events / activities. High near 95°F. Low rain risk (13%). Light wind (13 mph). Hot temperatures (high near 95°F). Slight chance of thunderstorms. Temperatures outside comfort limits (95°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Heat: Marginal weather factor
  • Thunderstorm: Marginal weather factor
Tomorrow's Outlook:
Not Recommended 20/100
Not Recommended for outdoor events / activities. High near 91°F. Low rain risk (7%). Light wind (10 mph). Temperatures outside comfort limits (91°F).

About St. Anthony Sand Dunes

St. Anthony Sand Dunes is an Idaho destination for a major named dune field and camping destination.

Make the Most of a St. Anthony Sand Dunes 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 St. Anthony Sand Dunes

  • 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:

  • Egin Lakes
  • St. Anthony
  • Rexburg
  • Red Road
  • Juniper Buttes

Plan Around the Conditions

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

7-Day Forecast for St. Anthony Sand Dunes

91°F
Current Temperature
Clear
Station: KRXE
Observed at: 4:00 pm
Wind: 6 mph | Humidity: 26%
Sun
95° 59°
16%
Mon
91° 56°
6%
Tue
93° 57°
2%
Wed
91° 55°
20%
Thu
94° 57°
0%
Fri
97° 57°
0%
Sat
98° 57°
0%

7-Day High Temperature Trend

95° Sun 91° Mon 93° Tue 91° Wed 94° Thu 97° Fri 98° Sat

7-Day Low Temperature Trend

59° Sun 56° Mon 57° Tue 55° Wed 57° Thu 57° Fri 57° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 12 Sun 20 Mon 20 Tue 12 Wed 20 Thu 12 Fri 12 Sat
Forecast data from the National Weather Service  |  Last Updated: July 26, 2026 4:32 pm CDT

St. Anthony Sand Dunes Weather by Season

Winter

Winter at St. Anthony Sand Dunes 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 43–48°F, using the relevant local and elevation context.
  • Annual snowfall: commonly 25–45 inches, with strong wind and drifting.
  • 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.