Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Overcast

75°F

24°C

Humidity 55%
Wind Speed S 8 mph
Barometer 30.08 in (1018.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Jul 5:54 pm CDT
Extended Forecast for

2 Miles E Marquette Heights IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Isolated showers after midnight.  Mostly cloudy, with a low around 64. Light south wind.  Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Saturday

    Saturday: Isolated showers before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Isolated
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 3 to 7 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. West southwest wind 6 to 9 mph becoming north northwest after midnight. Winds could gust as high as 17 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after midnight. Mostly cloudy, with a low around 64. Light south wind. Chance of precipitation is 20%.
Saturday
Isolated showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 69. Light south wind.
Sunday
Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 74. South southwest wind around 7 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 94. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 74. West southwest wind 6 to 9 mph becoming north northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Marquette Heights IL
 40.61°N 89.56°W (Elev. 699 ft)
5:36 pm CDT Jul 24, 2026
6pm CDT Jul 24, 2026-6pm CDT Jul 31, 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