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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

London Madison County Airport (KUYF)

Lat: 39.93°NLon: 83.46°WElev: 1083ft.

Fair

63°F

17°C

Humidity 64%
Wind Speed NA
Barometer 30.09 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Sep 9:15 pm EDT
Extended Forecast for

South Vienna OH

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southeast wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 7 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    T-storms then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 61. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 7 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
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. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Vienna OH
 39.93°N 83.61°W (Elev. 1198 ft)
Last Update:
7:16 pm EDT Sep 20, 2025
Forecast Valid:
9pm EDT Sep 20, 2025-6pm EDT Sep 27, 2025
 
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