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Castor Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | | |  | |  |  |  | |
| Mostly Sunny | Clearing | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C |
| POP: 50% | POP: 40% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 307 AM CDT Sat Sep 26 2026 
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Issued: 624 AM CDT Sat Sep 26 2026
Key Messages
- A surface high pressure system ridging down from the MidWest will keep a dry continental air mass in place today with lower humidity, lower nighttime temperatures, and no significant rain chances.
- Southerly flow and moisture increases by late in the weekend and early next week with hot daytime temperatures above seasonal norms, and more humid conditions.
- Next chance for significant rain chances is not likely until at least the middle part of next week as a cold front approaches the r...