Big Lake, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Big Lake Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Sunny | Mostly Cloudy | Cloudy | Cloudy | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Showers Likely | Chance of Showers | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Hi: 55°FHi: 13°C Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C Lo: 39°FLo: 4°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C |
| POP: 50% | POP: 20% | POP: 50% | POP: 60% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1107 AM CDT Sat Oct 10 2026 

Big Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Big Lake Weather Map
Big Lake Quick Facts
Big Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 940 AM CDT Sat Oct 10 2026
Key Messages
- Abnormal warmth continues over the region today. Highs in the upper 80s to low 90s will be near record values.
- Strong southerly winds gusting up to 25-35 miles per hour will impact northeastern South Dakota into western Minnesota today. Localized gusts up to 45 mph along will be possible on the eastern side of the Prairie Coteau.
- The abnormal warmth and strong winds will create elevated fire weather concerns this afternoon, mainly over northeastern South Dakota and western Minnesota....
Weather World