Weather WorldSweeney, SD 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Sweeney Weather Forecast
Sweeney, SD Weather Forecast Date: 322 AM CDT Tue Sep 22 2026
Weather forecast for Sweeney, SD
Today Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Today... Mostly cloudy. Highs in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. |
Wed Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Wednesday... Cloudy with a 20% chance of showers. Windy with highs around 70. Southeast winds 20 to 30 mph with gusts up to 40 mph. |
| Thu Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Thursday... Partly sunny. Highs in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph, becoming east in the afternoon. |
Fri Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy with a 50% chance of showers. Highs around 70. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Partly sunny. Highs in the upper 70s. |
| Sun Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Sunday... Partly sunny. Highs in the mid 70s. |
| Mon Hi: 75°FHi: 24°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. A 50% chance of showers. Highs in the mid 70s. |
Sweeney Radar Loop
Use the map search tool if you want to place a location marker on the radar map...