Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

78°F

26°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1013.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Aug 10:56 pm CDT
Extended Forecast for

Galt IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 71. East wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: Occasional showers and thunderstorms, mainly before 2pm.  Areas of fog before 9am. High near 87. Northeast wind 5 to 10 mph becoming southwest in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    T-storms and
    Areas Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 85. Calm wind becoming south around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 7pm.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely.  Mostly cloudy, with a high near 81. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. East wind around 5 mph.
Tuesday
Occasional showers and thunderstorms, mainly before 2pm. Areas of fog before 9am. High near 87. Northeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers after 7pm. Partly cloudy, with a low around 68.
Thursday
Showers likely. Mostly cloudy, with a high near 81. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 79.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Galt IL
 41.8°N 89.76°W (Elev. 640 ft)
11:31 pm CDT Aug 10, 2026
11pm CDT Aug 10, 2026-6pm CDT Aug 17, 2026
 
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Additional Resources

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