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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Daviess County Airport (KDCY)

Lat: 38.7°NLon: 87.13°WElev: 473ft.

Fair

79°F

26°C

Humidity 48%
Wind Speed NW 5 mph
Barometer 30.08 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 24 Aug 3:35 pm EDT
Extended Forecast for

Washington IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. Calm wind.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 59. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 85. Calm wind.
Tuesday Night
Partly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny and hot, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington IN
 38.66°N 87.16°W (Elev. 522 ft)
Last Update:
3:45 pm EDT Aug 24, 2026
Forecast Valid:
3pm EDT Aug 24, 2026-6pm EDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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