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July 21, 2026 -- Severe Weather, Tornadoes & Flooding

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chillicothe Ross County Airport (KRZT)

Lat: 39.44°NLon: 83.02°WElev: 725ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Williamsport OH

Tonight
Low: 68 °F
Patchy Fog
Monday
High: 88 °F
Areas Fog
then Mostly
Sunny
Monday Night
Low: 71 °F
Showers
Tuesday
High: 84 °F
Showers
Likely then
Chance
T-storms
Tuesday Night
Low: 65 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 82 °F
Mostly Sunny
Wednesday Night
Low: 61 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. Calm wind.

Monday

Areas of fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the afternoon.

Monday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 71. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Tuesday

Showers and thunderstorms likely, mainly before 8am. Partly sunny, with a high near 84. West wind 11 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. North wind 7 to 11 mph. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 82.

Wednesday Night

Clear, with a low around 61.

Thursday

Sunny, with a high near 83.

Thursday Night

Mostly clear, with a low around 62.

Friday

Mostly sunny, with a high near 85.