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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Cincinnati/Northern Kentucky International Airport (KCVG)

Lat: 39.04°NLon: 84.67°WElev: 860ft.

Fair

88°F

31°C

Humidity 57%
Wind Speed W 6 mph
Barometer 30.16 in (1020.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 17 Sep 6:52 pm EDT
Extended Forecast for

Union KY

Flood Watch September 18, 12:00am until September 18, 12:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 71. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 11am, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 85. North wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. East wind 5 to 8 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 2pm. Mostly sunny, with a high near 86. East wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 71. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms before 11am, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 85. North wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, with a low around 66. East wind 5 to 8 mph.
Saturday
A slight chance of showers before 2pm. Mostly sunny, with a high near 86. East wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Saturday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union KY
 38.95°N 84.66°W (Elev. 837 ft)
Last Update:
4:00 pm EDT Sep 17, 2026
Forecast Valid:
7pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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