Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Overcast

68°F

20°C

Humidity 68%
Wind Speed E 8 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 9:52 pm CDT
Extended Forecast for

2 Miles NNE Bristol IL

Flood Watch September 19, 04:00am until September 19, 01:00pm
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 63. East southeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 40%.

    Low: 63 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall.  High near 78. South southeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Heavy Rain
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm.  Low around 65. Southeast wind around 5 mph becoming north northwest in the evening. Winds could gust as high as 10 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 69. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 55. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Saturday
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 78. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 65. Southeast wind around 5 mph becoming north northwest in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55. Northeast wind around 15 mph, with gusts as high as 25 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bristol IL
 41.73°N 88.39°W
9:51 pm CDT Sep 18, 2026
10pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database