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Forest Lake, MO Weather Forecast
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Forest Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  |  | |  | |  | | |
| Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Mostly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C |
| POP: 40% | POP: 90% | POP: 70% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 438 PM CDT Sat Sep 19 2026 
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Instant definitions for any meteorological term.
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Issued: 619 PM CDT Sat Sep 19 2026
Key Messages
- A cold front will slowly drift southward through the region, bringing widespread showers and thunderstorms late Sunday into Monday.
- The pattern shift will result in cooler, more seasonable temperatures through next week.
Aviation
/00Z TAFS THROUGH 06Z MONDAY/... Issued at 604 PM CDT Sat Sep 19 2026
The chances for showers will begin to increase with this set of TAFS including at UIN late tonight into Sunday with a chance (30-40%) between 11-15Z increasing to 40-60% though 18Z. There is ...