Thermopolis & Hot Springs State Park, WY

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The travertine terraces of Hot Springs State Park in Thermopolis, Wyoming
The travertine terraces of Hot Springs State Park in Thermopolis, Wyoming. Image by Acroterion via Wikimedia Commons, CC BY-SA 4.0.

Today’s Forecast:

🌤
°F
High: 43° | Low: 37°
Current Temperature
Station: C8386
Observed at: 10:35 pm CST on 11/13/26
Wind: 2 mph | Humidity: %
Tonight:Mostly cloudy. Low around 37, with temperatures rising to around 41 overnight. South wind 9 to 20 mph, with gusts as high as 28 mph.
Saturday:Partly sunny. High near 61, with temperatures falling to around 55 in the afternoon. South southwest wind 2 to 10 mph.
Saturday Night:Mostly clear, with a low around 32. Southwest wind around 3 mph.
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Today’s Report:

🥾 Hiking

Excellent
  100 /100

Excellent for hiking. High near 61°F. Light wind (10 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for hiking. High near 58°F. Light wind (9 mph).

🚲 Biking

Excellent
  100 /100

Excellent for biking. High near 61°F. Light wind (10 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 92/100
Excellent for biking. High near 58°F. Light wind (9 mph).

🎪 Outdoor Events / Activities

Excellent
  93 /100

Excellent for outdoor events / activities. High near 61°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 87/100
Excellent for outdoor events / activities. High near 58°F. Light wind (9 mph).

About Thermopolis & Hot Springs State Park

Thermopolis & Hot Springs State Park is a Wyoming destination for a major hot-springs town, park, riverwalk, and canyon gateway.

Make the Most of a Thermopolis & Hot Springs 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 Thermopolis & Hot Springs 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, or open ground become unsafe in lightning, heat, smoke, high 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, wildlife, spring runoff, wildfire smoke, and limited winter daylight.

Nearby Towns and Areas

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

  • Thermopolis
  • Hot Springs State Park
  • Wedding of the Waters
  • Legend Rock
  • Wind River Canyon

Plan Around the Conditions

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

7-Day Forecast for Thermopolis, WY

🌤
°F
High: 43° | Low: 37°
Current Temperature
Station: C8386
Observed at: 10:35 pm CST on 11/13/26
Wind: 2 mph | Humidity: %
Sat ⛅
61° 32°
0%
Sun ☀
58° 31°
0%
Mon ⛅
60° 33°
0%
Tue 🌧
56° 29°
39%
Wed ❄
46° 24°
53%
Thu ❄
46° 24°
34%
Fri ❄
40° --°
57%

7-Day High Temperature Trend

61° Sat 58° Sun 60° Mon 56° Tue 46° Wed 46° Thu 40° Fri

7-Day Low Temperature Trend

32° Sat 31° Sun 33° Mon 29° Tue 24° Wed 24° Thu 50° Fri

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Sat 100 Sun 100 Mon 95 Tue 19 Wed 19 Thu 19 Fri
Forecast data from the National Weather Service  |  Last Updated: November 13, 2026 11:58 pm CST

Hot Springs State Park Weather by Season

Winter

Winter at Thermopolis & Hot Springs State Park can bring snow, ice, strong wind, short daylight, and abrupt road or trail changes.

Spring

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

Summer

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

Fall

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

Key Climate Data Points

  • Annual average temperature: around 46–51°F, using the relevant local and elevation context.
  • Annual snowfall: commonly 40–70 inches, increasing on Casper Mountain.
  • 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 September for broad warm-season access, with midwinter best at established winter destinations.