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

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Overcast and Breezy

70°F

21°C

Humidity 79%
Wind Speed S 21 G 32 mph
Barometer 29.66 in (1003.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Apr 10:53 am CDT
Extended Forecast for

Atchison KS

  • Today

    Today: A chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 74. Breezy, with a south wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 49. South wind 12 to 17 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 69. North wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. North northeast wind around 6 mph becoming light and variable.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 1pm. Partly sunny, with a high near 71. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.

    Low: 54 °F

    T-storms

  • Monday

    Monday: A chance of showers before 1pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 74. Breezy, with a south wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 49. South wind 12 to 17 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Sunny, with a high near 69. North wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 43. North northeast wind around 6 mph becoming light and variable.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 71. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%.
Monday
A chance of showers before 1pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atchison KS
 39.57°N 95.14°W (Elev. 1004 ft)
Last Update:
8:37 am CDT Apr 23, 2026
Forecast Valid:
11am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation