Hazardous Weather Conditions
Current conditions at
Greene County - Lewis A Jackson Regional Airport (KGDK)
Lat: 39.69°NLon: 83.99°WElev: 949ft.
Fair
81°F
27°C
| Humidity | 79% |
| Wind Speed | S 5 mph |
| Barometer | 30.03 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 1 Sep 9:55 pm EDT |
Extended Forecast for
Spring Valley OH
Heat Advisory September 1, 10:06pm until September 3, 08:00pm
NOW until 8:00pm Thu

Heat Advisory
Tonight

Low: 73 °F
Clear
Wednesday

High: 94 °F
Sunny
Wednesday Night

Low: 75 °F
Mostly Clear
Thursday

High: 91 °F
Mostly Sunny
Thursday Night

Low: 74 °F
Chance
ShowersFriday

High: 91 °F
Chance
T-stormsFriday Night

Low: 70 °F
Chance
T-stormsSaturday

High: 87 °F
Chance
T-storms
Detailed Forecast
Tonight
Clear, with a low around 73. Light south wind.
Wednesday
Sunny, with a high near 94. Heat index values as high as 102. Light south wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Light southwest wind.
Thursday
Mostly sunny, with a high near 91. Light southwest wind becoming west 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 62.
Labor Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST
Point Forecast:
Spring Valley OH
39.6°N 84.02°W (Elev. 801 ft)
39.6°N 84.02°W (Elev. 801 ft)
4:00 pm EDT Sep 1, 2026
10pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026



