Weather WorldSummit Lake, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Summit Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  | | |  | | |  | |  |
| Sunny | Partly Cloudy | Chance of Rain | Mostly Cloudy | Chance of Rain | Mostly Cloudy | Chance of Rain | Rain | Chance of Rain | Chance of Snow | Chance of Snow | Chance of Rain |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 39°FLo: 4°C |
| POP: 40% | POP: 50% | POP: 40% | POP: 70% | POP: 50% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 PM CDT Thu Oct 22 2026 
Summit Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Summit Lake Weather Map
Summit Lake Quick Facts
Summit Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1204 PM CDT Thu Oct 22 2026
Key Messages
- Southerly winds increase Friday, with widespread 30-40 mile per hour gusts expected during the afternoon. There is a roughly 10-30% chance for gusts to reach 45 miles per hour or more over eastern South Dakota and western Minnesota.
- Warm conditions, strong winds, and dry vegetation will lead to elevated fire weather concerns across central South Dakota Thursday, and across central and northeastern SD and west central MN Friday.
- Thursday and Friday, highs will reach the upper 70s to l...