7-Day Zone Forecast for Sullivan County (Text-Only)
NWS Forecast for: Sullivan County
Issued by: National Weather Service Indianapolis, IN
Last Update: 548 PM EST Wed Jan 14 2026
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Tonight: Partly cloudy through midnight, then clearing. Much colder with lows around 18. Northwest winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph toward daybreak.

Thursday: Sunny. Much colder with highs in the upper 20s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the morning.

Thursday Night: Partly cloudy through midnight, then mostly cloudy with a chance of snow toward daybreak. Snow accumulation around an inch possible. Cold with lows in the lower 20s. Temperature steady or slowly rising after midnight. South winds 10 to 15 mph. Gusts up to 25 mph toward daybreak. Chance of snow 50 percent.

Friday: Mostly cloudy. Not as cool with highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Friday Night: Mostly cloudy with a slight chance of snow through midnight, then partly cloudy with a chance of snow toward daybreak. Little or no snow accumulation. Cold with lows in the lower 20s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of snow 30 percent.

Saturday: Mostly cloudy and much colder. Near steady temperature in the mid 20s.

Saturday Night Through Martin Luther King Jr Day: Partly cloudy. Cold. Lows around 10 above. Highs in the lower 20s. Wind chill values as low as 5 below.

Monday Night And Tuesday: Mostly clear. Cold. Lows 5 to 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

Tuesday Night And Wednesday: Partly cloudy. Lows around 15. Highs in the mid 30s.







Zone Forecast: Sullivan County

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