Weather in Lyons, SD
Updated 2026-09-26 08:45 local time · ZIP codes 57041
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
54°34% rain56°34% rain
57°35% rain58°34% rain
58°66% rain59°70% rain59°74% rain60°59% rain60°47% rain60°36% rain60°45% rain
60°39% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 74% over the next 12 hours.
It feels like 49°F with winds near 13 mph.
60°F, 36% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 25 mph.
Current temperature is 54°F, wind 13 mph, rain chance up to 74%.
UV index is 0.
Local weather characteristics in Lyons
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Lyons is part of the Midwest weather region. The forecast point is near 43.72°N latitude and 96.87°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.
Lyons weather today
Overcast and 54°F in Lyons, SD. Today's high is 61°F with a 94% rain chance. Winds are around 13 mph with gusts near 25 mph. Relative humidity is 98%, pressure is 29.95 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Lyons
Sunrise is at 07:19 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Fog with a high near 71°F and a low near 58°F. The maximum rain chance is 32%.