Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Moline Quad-City Airport (KMLI)

Lat: 41.45°NLon: 90.52°WElev: 577ft.

Fair

63°F

17°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 1:52 am CDT
Extended Forecast for

Coal Valley IL

  • Overnight

    Overnight: Mostly clear, with a low around 63. Calm wind becoming southwest around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Calm wind becoming southwest around 5 mph.
Tuesday
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Coal Valley IL
 41.45°N 90.45°W (Elev. 643 ft)
1:26 am CDT Aug 18, 2026
2am CDT Aug 18, 2026-6pm CDT Aug 24, 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