National Weather Service Forecast for: Atchison KS
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 10:19 pm CDT Jun 29, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 79. South wind 13 to 16 mph, with gusts as high as 30 mph.
Partly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 76. South wind 11 to 14 mph, with gusts as high as 26 mph.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 93. Heat index values as high as 99. South wind 11 to 16 mph, with gusts as high as 29 mph.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 76. South wind 9 to 14 mph, with gusts as high as 26 mph.
Partly Cloudy
Thursday

Thursday: A slight chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Slight Chance
T-storms
Thursday
Night
Thursday Night: Partly cloudy, with a low around 75.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 95.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 75.
Partly Cloudy
Lo 79 °F Hi 93 °F Lo 76 °F Hi 93 °F Lo 76 °F Hi 93 °F Lo 75 °F Hi 95 °F Lo 75 °F

Extreme Heat Warning
Hazardous Weather Outlook
 

Tonight
 
Partly cloudy, with a low around 79. South wind 13 to 16 mph, with gusts as high as 30 mph.
Tuesday
 
Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
 
Partly cloudy, with a low around 76. South wind 11 to 14 mph, with gusts as high as 26 mph.
Wednesday
 
Mostly sunny, with a high near 93. Heat index values as high as 99. South wind 11 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
 
Partly cloudy, with a low around 76. South wind 9 to 14 mph, with gusts as high as 26 mph.
Thursday
 
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Thursday Night
 
Partly cloudy, with a low around 75.
Friday
 
Mostly sunny, with a high near 95.
Friday Night
 
Partly cloudy, with a low around 75.
Independence Day
 
Mostly sunny and hot, with a high near 97.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Sunday
 
Partly sunny, with a high near 92.
Sunday Night
 
Partly cloudy, with a low around 70.
Monday
 
Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Atchison KS.