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.

Fair

67°F

19°C

Humidity 87%
Wind Speed NW 5 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 27 Aug 8:53 pm CDT
Extended Forecast for

Effingham KS

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 85. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. Southeast wind 6 to 8 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96.

    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, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind.
Friday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 85. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 69. Southeast wind 6 to 8 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 77. South wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham KS
 39.53°N 95.4°W (Elev. 1099 ft)
Last Update:
8:26 pm CDT Aug 27, 2026
Forecast Valid:
9pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation