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

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Overcast

78°F

26°C

Humidity 74%
Wind Speed SE 7 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Jun 4:54 pm CDT
Extended Forecast for

Washington IL

Heat Advisory June 28, 01:00pm until June 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 67. East wind 5 to 7 mph.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 89. Southeast wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 89 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 67. East wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 89. Southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 74. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 75. South wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Clear, with a low around 75. South southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 30 percent chance of showers after 1pm. Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 73.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 72.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington IL
 40.72°N 89.44°W (Elev. 778 ft)
Last Update:
1:26 pm CDT Jun 27, 2026
Forecast Valid:
4pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation