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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Mostly Cloudy

65°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 30.17 in (1021.3 mb)
Dewpoint 62°F (17°C)
Visibility 8.00 mi
Last update 28 Aug 7:53 am CDT
Extended Forecast for

Atchison KS

  • Today

    Today: A slight chance of showers before 9am. Sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 68. South southeast wind 5 to 7 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 92. South wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 9am. Sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 68. South southeast wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 92. South wind 8 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 9 to 11 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 96. South wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atchison KS
 39.57°N 95.14°W (Elev. 1004 ft)
Last Update:
7:51 am CDT Aug 28, 2026
Forecast Valid:
8am CDT Aug 28, 2026-6pm CDT Sep 3, 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