National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Overcast

67°F

19°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.28 in (1024.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 Sep 10:56 pm CDT
Extended Forecast for

Polo IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 64. East wind around 5 mph becoming calm. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Some of the storms could produce heavy rainfall. High near 76. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 76. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 76 °F

    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Scattered
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 64. East wind around 5 mph becoming calm. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and possibly a thunderstorm before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Some of the storms could produce heavy rainfall. High near 76. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 61. East northeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Scattered showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 76. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
A chance of showers. Cloudy, with a high near 71.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Monday
A chance of showers. Mostly cloudy, with a high near 68.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Polo IL
 41.99°N 89.58°W
Last Update:
8:36 pm CDT Sep 16, 2026
Forecast Valid:
11pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation