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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Cincinnati W Airport (KI67)

Lat: 39.26°NLon: 84.77°WElev: 584ft.

Fair

90°F

32°C

Humidity 49%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Sep 2:35 pm EDT
Extended Forecast for

Harrison OHSimilar City Names

Flood Watch September 20, 07:00pm until September 21, 08:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. West wind around 5 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 2pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 75. Northeast wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Northeast wind 5 to 9 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. West wind around 5 mph.
Tonight
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely before 2pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 75. Northeast wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 57. Northeast wind 5 to 9 mph.
Tuesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrison OHSimilar City Names
 39.25°N 84.8°W (Elev. 600 ft)
Last Update:
1:38 pm EDT Sep 20, 2026
Forecast Valid:
2pm EDT Sep 20, 2026-6pm EDT Sep 26, 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