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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

40°F

4°C

Humidity 38%
Wind Speed SW 20 G 28 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 21 Jan 11:53 am CST
Extended Forecast for

Atchison KS

  • Today

    Today: Sunny, with a high near 46. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 36 mph.

    High: 46 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 19. West northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 29 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39. Calm wind becoming west around 6 mph in the afternoon.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Wind chill values between -10 and zero. North wind 6 to 14 mph, with gusts as high as 25 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy and cold, with a high near 10. North northeast wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around -3. Chance of precipitation is 40%.

    Low: -3 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Cloudy and cold, with a high near 10. Chance of precipitation is 50%.

    High: 10 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.

    Low: 0 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 46. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 19. West northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 29 mph.
Thursday
Partly sunny, with a high near 39. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 2. Wind chill values between -10 and zero. North wind 6 to 14 mph, with gusts as high as 25 mph.
Friday
Cloudy and cold, with a high near 10. North northeast wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
A chance of snow. Cloudy, with a low around -3. Chance of precipitation is 40%.
Saturday
A chance of snow. Cloudy and cold, with a high near 10. Chance of precipitation is 50%.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Mostly clear, with a low around -1.
Monday
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 37.
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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:
11:52 am CST Jan 21, 2026
Forecast Valid:
11am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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