Weather WorldGrass Lake, AK Weather Forecast
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Grass Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Snow Showers | Snow Showers |
| Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Hi: 55°FHi: 13°C Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C Lo: 40°FLo: 4°C | Hi: 50°FHi: 10°C Lo: 40°FLo: 4°C | Hi: 50°FHi: 10°C Lo: 40°FLo: 4°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 345 PM AKDT Fri Aug 21 2026 
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Grass Lake Forecast Discussion
Issued: 219 PM AKDT Fri Aug 21 2026
Key Messages
Central and Eastern Interior...- Temperatures are expected cool slightly Friday and Saturday and bottom out Sunday in the upper 50s to mid 60s.
- A frontal system will bring as much as 0.2 to 0.5 inches of rain from Bettles to Minchumina Friday into Saturday, with lesser amounts to the east. Another low entering the southwest Yukon increases chances of wetting rains in the Upper Tanana Valley.
- Very isolated thunderstorms expected in the Eastern Interior Friday and Saturday afternoon and...