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Polk Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  | |  | |  |  | |  |  |
| Thunderstorms | Thunderstorms | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers Likely | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C |
| POP: 30% | POP: 30% | POP: 20% | POP: 60% | POP: 20% | POP: 40% | POP: 60% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 157 AM CDT Thu Sep 17 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 121 AM CDT Thu Sep 17 2026
Key Messages
- Widespread fog has already developed across the forecast area early this morning. Some locations are already at/near 1/2-1/4, a trend that is expected to spread over the coming hours. A Dense Fog Advisory is in effect through 10AM.
- How quickly fog and any low clouds diminish today will drive how high temperatures do...if things linger longer into the day than currently expected, could mess with highs...especially for NNErn areas. Current forecast has highs in the mid 70s north to low...