Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

70°F

21°C

Humidity 98%
Wind Speed SE 5 mph
Barometer 29.87 in
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 12 Aug 4:55 am CDT
Extended Forecast for

2 Miles SSE Montezuma IN

Flood Watch August 12, 06:01am until August 13, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 12, 06:01am until August 13, 12:00am

    NOW until 12:00am Thu

    Flood Watch

  • Today

    High: 85 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 70. Light south wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Scattered
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms before 5pm.  Mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph in the morning.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 71. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then isolated showers between 8am and 2pm.  Mostly cloudy, with a high near 86. Northeast wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 2am.  Partly cloudy, with a low around 72. East northeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 8am and 2pm.  Mostly sunny, with a high near 90. South wind around 7 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. South southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Scattered showers and thunderstorms before 5pm. Mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 71. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 8am, then isolated showers between 8am and 2pm. Mostly cloudy, with a high near 86. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Isolated thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. East northeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms between 8am and 2pm. Mostly sunny, with a high near 90. South wind around 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 74. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 91. South southwest wind 6 to 9 mph becoming west in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. North wind 3 to 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Montezuma IN
 39.76°N 87.37°W (Elev. 499 ft)
5:45 am EDT Aug 12, 2026
6am EDT Aug 12, 2026-6pm EDT Aug 18, 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