Lyons, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyons, a community in Minnehaha County, South Dakota.
This Afternoon
51°F
Rain Showers
Rain showers. Cloudy. High near 51, with temperatures falling to around 45 in the afternoon. North northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lyons
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Rain Showers | 20 mph NNW | 100% |
| Tonight | 38°F | Rain Showers | 15 to 20 mph NNW | 99% |
| Wednesday | 45°F | Rain Showers | 20 mph NW | 89% |
| Wednesday Night | 36°F | Rain Showers Likely then Mostly Cloudy | 15 mph NW | 59% |
| Thursday | 46°F | Partly Sunny | 10 to 15 mph N | 9% |
| Thursday Night | 31°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WNW | 4% |
| Sunday | 57°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 59°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lyons (43.725, -96.866). Updated through the day.
Growing snapshot for Lyons
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5a
More local growing data for Lyons: nearby ZIP 57041 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
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Rowena
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Sioux Falls
Valley Springs
Climate data from the nearest NOAA station, Sioux Falls Wfo Ap, Sd (12 mi from Lyons). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.