Weather WorldJamison Lake, IN Weather Forecast
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Jamison Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | |  | | |  | |  | | |
| Chance of T-Storm | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1258 PM EDT Sat Aug 22 2026 
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Issued: 110 PM EDT Sat Aug 22 2026
Key Messages
- Scattered showers and isolated storms possible east of I-69 this afternoon and evening.
- Breezy today with northwest winds gusting as high as 25 to 30 mph.
- 20-30% chances for scattered lake effect rain showers downwind of Lake Michigan tonight through Sunday.
- Dangerous swimming conditions persist through the weekend on southern Lake Michigan.
- Below normal temperatures and much lower humidity Sunday through Tuesday.
Discussion
... Issued at 1237 PM EDT Sat Aug 22 2026
A typical early fall...