Lake Olaf, MN Weather Forecast
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Lake Olaf Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Partly Cloudy | Sunny | Mostly Clear | Partly Sunny | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Sunny |
| Lo: 45°FLo: 7°C | Hi: 63°FHi: 17°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 53°FLo: 12°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C |
| POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 637 PM CDT Mon Sep 21 2026 

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Issued: 627 PM CDT Mon Sep 21 2026
Key Messages
- Patchy frost is expected tonight across parts of northwest Minnesota, with lower chances in northeast North Dakota.
- Our next chance for precipitation will be Wednesday night into Thursday, then once more this weekend.
Discussion
... Issued at 320 PM CDT Mon Sep 21 2026
...Synopsis...
H5 upper low continues moving east across the Plains and into the Midwest this afternoon. Most of eastern North Dakota and northwestern Minnesota is seeing mostly sunny skies as a result, with only some mid ...
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