Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Nelson IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm  after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 9am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 86. Calm wind becoming south southeast around 5 mph in the morning.  Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 90. Heat index values as high as 97. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 67. South southwest wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 70%.

    Low: 67 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm after midnight.
Monday
A slight chance of showers between 9am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 67. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Juneteenth
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Nelson IL
 41.79°N 89.61°W
5:42 pm CDT Jun 15, 2025
7pm CDT Jun 15, 2025-6pm CDT Jun 22, 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