Areas of Extreme Heat and Fire Weather in the Pacific Northwest; Heavy Rain in the West and South-central US

Extreme heat will continue across the Pacific Northwest into midweek before finally waning. Hot temperatures, dry, gusty conditions, and isolated dry thunderstorms will bring critical fire weather. Heavy rain and thunderstorms are expected across portions of the Southwest, the Sierras, and the central/southern Plains. A series of storms will bring heavy rain and strong winds to southern Alaska. Read More >

Current conditions at

London Madison County Airport (KUYF)

Lat: 39.93°NLon: 83.46°WElev: 1083ft.

Fair

55°F

13°C

Humidity 72%
Wind Speed NW 8 mph
Barometer 30.13 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 26 Aug 12:55 am EDT
Extended Forecast for

South Vienna OH

  • Overnight

    Overnight: Mostly clear, with a low around 48. Northwest wind around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Light west wind increasing to 5 to 9 mph in the morning.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Northwest wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northwest wind around 6 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Light southwest wind.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 69. Light west wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 46. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 71. Northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 51. Light southwest wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 53.
Labor Day
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
South Vienna OH
 39.93°N 83.61°W (Elev. 1198 ft)
11:46 pm EDT Aug 25, 2025
1am EDT Aug 26, 2025-6pm EDT Sep 1, 2025
 
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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