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

Hazardous Weather Conditions

Current conditions at

Greene County - Lewis A Jackson Regional Airport (KGDK)

Lat: 39.69°NLon: 83.99°WElev: 949ft.

Thunderstorm in Vicinity Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 20 May 4:55 am EDT
Extended Forecast for

4 Miles SE Alpha OH

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 69. North wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 48. Northeast wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Northeast wind around 15 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 54. Northeast wind around 11 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers

  • Friday Night

    Friday Night: Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 63. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 69. North wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 48. Northeast wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 70. Northeast wind around 15 mph.
Thursday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 54. Northeast wind around 11 mph. Chance of precipitation is 20%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 63. Chance of precipitation is 90%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Memorial Day
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Alpha OH
 39.64°N 83.87°W (Elev. 988 ft)
Last Update:
4:00 am EDT May 20, 2026
Forecast Valid:
5am EDT May 20, 2026-6pm EDT May 26, 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