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Wallace Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1211 AM CDT Mon Sep 07 2026 
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Issued: 931 PM CDT Sun Sep 6 2026
Key Messages
- There is a Marginal risk (level 1 out of 5) for severe storms over portions of central SD overnight prior to daybreak. Main hazards will be 1 inch in diameter hail and 60 mph wind gusts.
- There is a Marginal risk (level 1 out of 5) for severe storms over central and northeastern SD and west central MN Monday. The primary hazards will be 1 inch in diameter hail and 60 mph wind gusts.
- Hot temperatures for September will persist into Monday. Highs in the low 80s over northeastern SD to m...