Weather in Ralston, WY
Updated 2026-09-26 08:00 local time · ZIP codes 82440
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
55°2% rain57°1% rain61°1% rain64°1% rain68°1% rain71°1% rain74°1% rain
80°4% rain
79°5% rain78°3% rain
75°9% rain71°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 46°F with winds near 14 mph.
71°F, 1% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 31 mph.
Current temperature is 55°F, wind 14 mph, rain chance up to 9%.
UV index is 0.
Local weather characteristics in Ralston
Wyoming is generally dry, windy and high-elevation. Mountain weather can change quickly, with colder temperatures and heavier snow than nearby basins and plains.
Ralston is part of the West weather region. The forecast point is near 44.72°N latitude and 108.86°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.
Ralston weather today
Sunny and 55°F in Ralston, WY. Today's high is 80°F with a 4% rain chance. Winds are around 14 mph with gusts near 21 mph. Relative humidity is 49%, pressure is 29.87 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Ralston
Sunrise is at 07:07 AM and sunset is at 07:06 PM. Tomorrow's forecast calls for Overcast with a high near 69°F and a low near 50°F. The maximum rain chance is 8%.