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

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

Fayette County Airport (KI23)

Lat: 39.57°NLon: 83.42°WElev: 980ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed NW 3 mph
Barometer 30.28 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Sep 10:16 am EDT
Extended Forecast for

5 Miles NW Williamsport OH

  • Today

    Today: A chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 89. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 68. North wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 82. Northeast wind 6 to 9 mph.

    High: 82 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Northeast wind 5 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    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 69. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 89. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 68. North wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, with a high near 82. Northeast wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 62. Northeast wind 5 to 8 mph.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
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 69. 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. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Williamsport OH
 39.61°N 83.18°W (Elev. 797 ft)
Last Update:
6:44 am EDT Sep 17, 2026
Forecast Valid:
10am EDT Sep 17, 2026-6pm EDT Sep 23, 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