National Weather Service Forecast for: Atchison KS
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 1:46 am CDT Jun 22, 2026
 
Today

Today: Partly sunny, with a high near 77. East northeast wind 3 to 6 mph.
Partly Sunny

 Tonight

Tonight: Mostly clear, with a low around 59. East northeast wind around 6 mph becoming calm in the evening.
Mostly Clear

 Tuesday

Tuesday: Partly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the morning.
Partly Sunny

 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms

 Wednesday

Wednesday: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Slight Chance
T-storms

 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
T-storms
 Thursday

Thursday: A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Chance
Showers

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
T-storms
 Friday

Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Chance
T-storms
Hi 77 °F Lo 59 °F Hi 81 °F Lo 65 °F Hi 82 °F Lo 62 °F Hi 80 °F Lo 62 °F Hi 81 °F

Hazardous Weather Outlook
 

Today
 
 Partly sunny, with a high near 77. East northeast wind 3 to 6 mph.
Tonight
 
 Mostly clear, with a low around 59. East northeast wind around 6 mph becoming calm in the evening.
Tuesday
 
 Partly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the morning.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Thursday
 
 A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
 
 A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Friday Night
 
 A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Saturday
 
 Partly sunny, with a high near 88.
Saturday Night
 
 Partly cloudy, with a low around 75.
Sunday
 
 Sunny, with a high near 93. Breezy.

 

Forecast from NOAA-NWS for Atchison KS.