Cosby, MO 7-Day Night Weather Forecast
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Cosby, MO Weather Forecast


Cosby, MO Weather Forecast Date: 157 AM CDT Fri Sep 18 2026
The area/counties/county of: Atchison County Ks, including the cities of: Atchison, Wathena, Elwood, Troy, Highland, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, and Lathrop.or toggle through each period.
Rest of Tonight... Partly cloudy. Near steady temperature in the mid 70s. East winds around 5 mph.
Friday... Mostly sunny. Highs around 90. Southeast winds 5 to 10 mph, becoming south with gusts up to 20 mph in the afternoon. Heat index values up to 102 in the afternoon.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20%.
Saturday... Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph.
Saturday Night... Showers with a chance of thunderstorms. Lows in the mid 60s. North winds around 5 mph. Chance of rain 90%.
Sunday... Mostly cloudy with a chance of showers. Not as warm with highs in the mid 70s. Chance of rain 50%.
Sunday Night... Cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
Monday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 50%.
Monday Night... Mostly cloudy. Lows in the lower 50s. Highs in the upper 60s.
Tuesday... Mostly cloudy. Lows in the lower 50s. Highs in the upper 60s.
Wednesday... Mostly cloudy. Lows in the lower 50s. Highs in the upper 60s.
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