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James Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  |  | | | | |  | |
| Patchy Fog | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of T-Storm |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C |
| POP: 70% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 428 AM EDT Tue Aug 25 2026 
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Issued: 513 AM EDT Tue Aug 25 2026
Key Messages
- Seasonable temperatures, dry conditions, and much lower humidity continue today. Patchy fog this morning.
- 40-70% chances for rain and storms Wednesday afternoon and evening. There is a marginal to slight risk for severe weather with all hazards possible. Medium confidence.
- There is a 20 percent chance for showers and storms Thursday afternoon along and south of US 24, mainly east of Interstate 69. There is a moderate swim risk on Lake Michigan beaches in La Porte Co, IN and Berrien C...