Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Thunderstorm in Vicinity

72°F

22°C

Humidity 97%
Wind Speed S 7 mph
Barometer 30.10 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 17 Aug 8:15 am CDT
Extended Forecast for

5 Miles WNW Reddick IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 10am.  Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming north around 5 mph. Winds could gust as high as 10 mph.

    High: 89 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 91. Heat index values as high as 100. South wind around 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming north around 5 mph. Winds could gust as high as 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. South wind around 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind around 5 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 83.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Reddick IL
 41.12°N 88.34°W
5:27 am CDT Aug 17, 2025
8am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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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