Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

London Madison County Airport (KUYF)

Lat: 39.93°NLon: 83.46°WElev: 1083ft.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed NW 8 mph
Barometer 30.29 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Sep 10:55 am EDT
Extended Forecast for

5 Miles ENE South Charleston OH

Flood Watch September 17, 11:11am until September 17, 02:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 17, 11:11am until September 17, 02:00pm

    NOW until 2:00pm Thu

    Flood Watch

  • Today

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 2am and 5am.  Mostly cloudy, with a low around 66. North wind 3 to 5 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 79. Northeast wind around 8 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. East wind 6 to 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 83. East wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Northwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 79. Northeast wind around 8 mph.
Friday Night
Mostly cloudy, with a low around 59. East wind 6 to 8 mph.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE South Charleston OH
 39.84°N 83.56°W (Elev. 1102 ft)
6:44 am EDT Sep 17, 2026
11am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database