Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Miami University Airport (KOXD)

Lat: 39.5°NLon: 84.78°WElev: 1041ft.

Partly Cloudy

70°F

21°C

Humidity 93%
Wind Speed W 12 mph
Barometer 29.60 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Jun 6:15 am EDT
Extended Forecast for

4 Miles NNW Oldenburg IN

Flood Watch June 18, 06:27am until June 18, 10:00am
Click here for hazard details and duration
...
  •  
    Flood Watch June 18, 06:27am until June 18, 10:00am

    NOW until 10:00am Thu

    Flood Watch

  • Today

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 58. Light north wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Sunny, with a high near 78. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Light west wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 64. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

Detailed Forecast

Today
A chance of showers, mainly between 3pm and 5pm. Increasing clouds, with a high near 80. West wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 58. Light north wind.
Juneteenth
Sunny, with a high near 78. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Light west wind.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Oldenburg IN
 39.41°N 85.21°W (Elev. 801 ft)
4:00 am EDT Jun 18, 2026
6am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
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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