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Grantsburg Muni, WI Weather Forecast
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Grantsburg Muni Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  | | | |  | | |  | |
| Chance of T-Storm | Patchy Fog | Mostly Clear | Partly Sunny | Chance of T-Storm | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Sunny |
| Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 30% | POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 616 PM CDT Sun Aug 30 2026 
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Issued: 637 PM CDT Sun Aug 30 2026
Key Messages
- A High Risk for rip currents continues today for the beaches around the Twin Ports. Expect dangerous swimming conditions through this evening due to high waves.
- Showers and thunderstorms are likely to arrive this evening, continuing through tonight. Severe thunderstorms are not anticipated, although a strong storm or two in north-central MN capable of producing sub-severe hail is possible.
- Monday is trending dry, with the majority of the Northland remaining dry through Wednesday. Hig...