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Jack Lake Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  |  |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Clear | Sunny | Clear |
| Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C |
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 819 AM EDT Sat Sep 12 2026 
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Issued: 829 AM EDT Sat Sep 12 2026
Key Messages
1) Deep Gulf moisture and a break in the ridge aloft will maintain good chances for showers and thunderstorms through Sunday.
2) Well-above normal temperatures and high humidity will maintain daytime heat indices at or above 100 degrees through Monday.
3) A modified Canadian airmass should bring near-normal temperatures beginning Tuesday.
Discussion
... KEY MESSAGE 1... Deep Gulf moisture and a break in the ridge aloft will maintain good chances for showers and thunderstorms through Sund...