National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

80°F

27°C

Humidity 45%
Wind Speed SE 8 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 May 11:53 am CDT
Extended Forecast for

Atchison KS

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 86. East southeast wind around 6 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 64. East southeast wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 85. Light east northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 86. East southeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 64. East southeast wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 85. Light east northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atchison KS
 39.57°N 95.11°W (Elev. 902 ft)
Last Update:
11:47 am CDT May 26, 2026
Forecast Valid:
12pm CDT May 26, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation