National Weather Service Forecast for: Atchison KS
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 2:42 pm CDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 58. Calm wind.
Mostly Clear

 Juneteenth

Juneteenth: Sunny, with a high near 86. Light and variable wind.
Sunny

 Friday
Night
Friday Night: A chance of showers, mainly after 1am. Partly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Saturday

Saturday: Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Mostly Sunny

 Saturday
Night
Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 68. Southeast wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Chance
T-storms then
Heavy Rain
 Sunday

Sunday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers

 Sunday
Night
Sunday Night: A chance of showers before 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Chance
Showers
 Monday

Monday: Partly sunny, with a high near 78.
Partly Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 59.
Partly Cloudy
Lo 58 °F Hi 86 °F Lo 65 °F Hi 86 °F Lo 68 °F Hi 81 °F Lo 61 °F Hi 78 °F Lo 59 °F

Hazardous Weather Outlook
 

Tonight
 
 Mostly clear, with a low around 58. Calm wind.
Juneteenth
 
 Sunny, with a high near 86. Light and variable wind.
Friday Night
 
 A chance of showers, mainly after 1am. Partly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 68. Southeast wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
 
 Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
 
 A chance of showers before 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Monday
 
 Partly sunny, with a high near 78.
Monday Night
 
 Partly cloudy, with a low around 59.
Tuesday
 
 Mostly sunny, with a high near 81.
Tuesday Night
 
 Partly cloudy, with a low around 62.
Wednesday
 
 Mostly sunny, with a high near 83.
Wednesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
 
 Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Atchison KS.