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 >

Current conditions at

Lebanon-Springfield Airport (K6I2)

Lat: 37.64°NLon: 85.24°WElev: 866ft.

Fair

90°F

32°C

Humidity 49%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Sep 10:15 am EDT
Extended Forecast for

Saint Mary KY

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. Light east wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South wind 3 to 7 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. Light east wind.
Saturday
A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Calm wind.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Calm wind.
Sunday
Mostly sunny, with a high near 93. South wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Mary KY
 37.59°N 85.35°W (Elev. 705 ft)
Last Update:
8:36 am EDT Sep 18, 2026
Forecast Valid:
10am EDT Sep 18, 2026-6pm EDT 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