Lake Walcott State Park

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Lake Walcott State Park landscape
Lake Walcott State Park landscape. Image by USFWS Pacific via Wikimedia Commons, Public domain.

Today’s Forecast:

🌤
°F
Current Temperature
Station: ITD88
Observed at: 5:00 pm
Wind: 8 mph | Humidity: %
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 10:32AM MDT by NWS Pocatello ID (Expires: July 29, 2026 2:00 pm)
Show Alert Details & Instructions
Description: AQAPIH * WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Unhealthy. * WHERE...CASSIA, LINCOLN AND MINIDOKA COUNTIES. * WHEN...THROUGH WEDNESDAY JULY 29TH. * IMPACTS...Some members of the general public may 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 Twin Falls Regional Office at (208)736-2190.
This Afternoon:Smoke. Mostly sunny. High near 95, with temperatures falling to around 93 in the afternoon. West wind around 8 mph.
Tonight:Smoke and a slight chance of rain. Mostly clear. Low around 60, with temperatures rising to around 63 overnight. South southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday:Smoke. Sunny. High near 97, with temperatures falling to around 95 in the afternoon. Southwest wind 3 to 9 mph.

Today’s Report:

⛵ Boating

Use Caution
  46 /100

Use Caution for boating. High near 94°F. Low rain risk (15%). Light wind (6 mph). Smoke or haze in forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 45/100
Use Caution for boating. High near 95°F. Low rain risk (9%). Light wind (9 mph). Hot temperatures (high near 95°F). Smoke or haze in forecast.

🛶 Paddling

Use Caution
  46 /100

Use Caution for paddling. High near 94°F. Low rain risk (15%). Light wind (6 mph). Smoke or haze in forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 45/100
Use Caution for paddling. High near 95°F. Low rain risk (9%). Light wind (9 mph). Hot temperatures (high near 95°F). Smoke or haze in forecast.

⛺ Camping

Use Caution
  44 /100

Use Caution for camping. High near 94°F. Low rain risk (15%). Light wind (6 mph). Smoke or haze in forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 43/100
Use Caution for camping. High near 95°F. Low rain risk (9%). Light wind (9 mph). Hot temperatures (high near 95°F). Smoke or haze in forecast.

About Lake Walcott State Park

Lake Walcott State Park is an Idaho destination for reservoir boating, paddling, camping, and wildlife viewing.

Make the Most of a Lake Walcott 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 Lake Walcott State Park

  • Check official access notices, alerts, road or trail conditions, fire restrictions, and local forecasts before leaving.
  • Check river flow, reservoir wind, cold-water conditions, waves, lightning, and verified local ice reports before water plans; no forecast alone proves that ice is safe.
  • 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:

  • Rupert
  • Minidoka National Wildlife Refuge
  • Minidoka Dam
  • Burley
  • Snake River

Plan Around the Conditions

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

7-Day Forecast for Lake Walcott State Park

🌤
°F
Current Temperature
Station: ITD88
Observed at: 5:00 pm
Wind: 8 mph | Humidity: %
Mon 🌫
95° 60°
11%
Tue 🌫
97° 61°
9%
Wed 🌫
94° 60°
13%
Thu ☀
98° 61°
0%
Fri ☀
100° 62°
0%
Sat ☀
102° 63°
0%
Sun ☀
95° 59°
0%

7-Day High Temperature Trend

95° Mon 97° Tue 94° Wed 98° Thu 100° Fri 102° Sat 95° Sun

7-Day Low Temperature Trend

60° Mon 61° Tue 60° Wed 61° Thu 62° Fri 63° Sat 59° Sun

📊 7-Day Outdoor Outlook

Good Fair Poor 12 Mon 12 Tue 12 Wed 12 Thu 12 Fri 12 Sat 12 Sun
Forecast data from the National Weather Service  |  Last Updated: July 27, 2026 5:57 pm CDT

Lake Walcott State Park Weather by Season

Winter

Winter at Lake Walcott 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 48–52°F, using the relevant local and elevation context.
  • Annual snowfall: usually 10–25 inches, with wind and freeze-thaw variation.
  • 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.