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

Chillicothe Ross County Airport (KRZT)

Lat: 39.44°NLon: 83.02°WElev: 725ft.

Mostly Cloudy

72°F

22°C

Humidity 73%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 May 10:35 pm EDT
Extended Forecast for

4 Miles ENE Latham OH

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 91. Southwest wind 7 to 15 mph. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 8am. High near 77. West wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 50. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Partly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. South wind 3 to 5 mph.
Tuesday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 91. Southwest wind 7 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 8am. High near 77. West wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 50. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 8am. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Friday
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 78. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Latham OH
 39.11°N 83.27°W (Elev. 699 ft)
Last Update:
7:01 pm EDT May 18, 2026
Forecast Valid:
10pm EDT May 18, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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