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Petroleum, IN Weather Forecast
Petroleum, IN Weather Forecast Date: 758 AM EDT Sun Sep 13 2026
The area/counties/county of: Wells, including the cities of: Bluffton and Ossian.or toggle through each period.
Today... Partly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs around 80. West winds around 5 mph, becoming northwest 10 to 15 mph this afternoon. Chance of rain 20%.
Tonight... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Less humid with lows in the lower 50s. North winds 10 to 15 mph. Chance of rain 20%.
Monday... Sunny. Highs in the lower 70s. East winds around 5 mph.
Monday Night... Mostly clear. Lows in the upper 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph after midnight.
Tuesday... Mostly sunny. A chance of showers in the afternoon. More humid with highs in the upper 80s. South winds 10 to 15 mph. Chance of rain 40%. Heat index values in the mid 90s in the afternoon.
Tuesday Night... Showers with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 80%.
Wednesday... Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 70%.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50%.
Thursday... Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of rain 50%.
Friday... Mostly cloudy in the morning, then becoming partly cloudy. A 40% chance of showers. Highs in the upper 70s.
Friday Night... Partly cloudy with a 40% chance of showers. Lows around 60.
POP = Probability of Precipitation
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