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Sumner County, KS Weather Forecast
Sumner County, KS Weather Forecast Date: 427 AM CDT Wed Sep 16 2026
The area/counties/county of: Sumner, including the city of Wellington.or toggle through each period.
Today... Sunny. Highs in the mid 90s. East winds around 5 mph, becoming southwest this afternoon. Heat index values up to 101 this afternoon.
Tonight... Mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph.
Thursday... Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph.
Thursday Night... Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph.
Friday... Sunny. Highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
Saturday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 40%.
Saturday Night... Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 80%.
Sunday... Showers likely in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Not as warm with highs in the mid 80s. Chance of rain 70%.
Sunday Night... Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of rain 50%.
Monday... Mostly cloudy with a chance of showers in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 50%.
Monday Night... Partly cloudy. A 20% chance of showers. Lows in the upper 50s. Highs around 80.
POP = Probability of Precipitation
Sumner County Radar Loop
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