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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

89°F

32°C

Humidity 53%
Wind Speed S 8 mph
Barometer 30.10 in (1018.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Sep 10:53 am CDT
Extended Forecast for

Elwood KS

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 101. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Heat index values as high as 98. West southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 65. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 59. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 101. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
A chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Heat index values as high as 98. West southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 65. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 59. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly cloudy, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Elwood KS
 39.75°N 94.89°W (Elev. 810 ft)
Last Update:
6:01 am CDT Sep 18, 2026
Forecast Valid:
11am CDT Sep 18, 2026-6pm CDT Sep 24, 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