Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Moline Quad-City Airport (KMLI)

Lat: 41.45°NLon: 90.52°WElev: 577ft.

A Few Clouds

64°F

18°C

Humidity 78%
Wind Speed Calm
Barometer 30.04 in (1017.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 6:52 am CDT
Extended Forecast for

Rock Island IL

  • Today

    Today: A chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm. Some of the storms could produce heavy rainfall.  Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming southwest in the evening.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Heavy Rain
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. Northwest wind around 5 mph becoming calm  after midnight.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

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

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 65. Northwest wind around 5 mph becoming southwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 60. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Island IL
 41.47°N 90.57°W (Elev. 604 ft)
6:01 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database