Weather in Thermopolis, WY
Updated 2026-09-26 10:45 local time · ZIP codes 82443
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
72°1% rain77°0% rain80°0% rain81°0% rain
82°2% rain
82°9% rain82°9% rain80°9% rain76°9% rain
74°9% rain73°9% rain70°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 66°F with winds near 5 mph.
75°F, 0% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 72°F, wind 5 mph, rain chance up to 9%.
UV index is 2.
Local weather characteristics in Thermopolis
Wyoming is generally dry, windy and high-elevation. Mountain weather can change quickly, with colder temperatures and heavier snow than nearby basins and plains.
Thermopolis is part of the West weather region. The forecast point is near 43.65°N latitude and 108.21°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Thermopolis weather today
Sunny and 72°F in Thermopolis, WY. Today's high is 82°F with a 3% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 22%, pressure is 29.79 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Thermopolis
Sunrise is at 07:04 AM and sunset is at 07:03 PM. Tomorrow's forecast calls for Overcast with a high near 72°F and a low near 57°F. The maximum rain chance is 36%.