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Knife River, MN Weather Forecast
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Knife River Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | |  |  |  | | |
| Mostly Sunny | Mostly Clear | Chance of T-Storm | Showers | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 100% | POP: 100% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 341 AM CDT Sun Sep 13 2026 
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Issued: 625 AM CDT Sun Sep 13 2026
Key Messages
- High pressure building into the area today and tonight will bring cooler than normal temperatures with highs in the upper 50s to mid 60s.
- Areas of frost are likely tonight into early Monday morning for portions of northwest WI and northeast MN. Frost Advisories are in effect.
- Widespread showers with embedded thunderstorms are expected Monday into Monday night. Rainfall amounts of 1" or greater are likely (60-80% chance) for areas south of the Iron Range.
Discussion
... Issued at 134 AM...