Weather WorldFlat Lake, IN 7-Day Weather Forecast
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Flat Lake Weather Forecast
Flat Lake, IN Weather Forecast Date: 428 AM EDT Sun Aug 23 2026
Weather forecast for Flat Lake, IN
Today Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Today... Mostly sunny. A slight chance of showers this morning. Highs in the lower 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%. |
Mon Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Monday... Mostly sunny. Highs in the mid 70s. West winds 5 to 10 mph. |
| Tue Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Tuesday... Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming southwest around 5 mph in the afternoon. |
Wed Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Wednesday... Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40%. |
| Thu Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Thursday... Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30%. |
| Fri Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. Highs in the upper 70s. |
Sat Hi: 79°FHi: 26°C |
Saturday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. |
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