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Williamson School Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | |  | |  |  | |  | |  | |
| Mostly Cloudy | Patchy Fog | Patchy Fog | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Rain | Rain | Chance of Rain | Partly Cloudy | Clearing | Partly Cloudy |
| Hi: 51°FHi: 11°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C |
| POP: 70% | POP: 80% | POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 427 AM MDT Fri Oct 30 2026 
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Issued: 533 AM MDT Fri Oct 30 2026
Key Messages
-Cloudy and cool Friday with fog possible on the SD Plains
-Mild and dry most of this weekend
-Unsettled and cooler to start next week with a good chance of rain Sunday night into Tuesday, some high elevation snow is possible as well
Discussion
...(This Afternoon Through Wednesday) Issued at 1141 AM MDT Thu Oct 29 2026
Deep upper trough over the PAC NW and western Canada will support general SW flow into the weekend. Departing impulse giving way to clear skies today as winds shift easterl...