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.

Fair

86°F

30°C

Humidity 70%
Wind Speed W 8 mph
Barometer 30.08 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Sep 11:35 am EDT
Extended Forecast for

3 Miles S Spring Valley OH

Heat Advisory September 1, 02:00pm until September 3, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 93. Heat index values as high as 101. West wind around 11 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Light southwest wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 101. West wind around 11 mph.
Tonight
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 94. Heat index values as high as 101. Light southwest wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. Light southwest wind.
Thursday
Sunny, with a high near 95. Light southwest wind becoming west 5 to 10 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 93.
Friday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 65.
Labor Day
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Spring Valley OH
 39.56°N 84.02°W (Elev. 801 ft)
Last Update:
9:54 am EDT Sep 1, 2026
Forecast Valid:
11am EDT Sep 1, 2026-6pm EDT Sep 7, 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