Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Thunderstorm in Vicinity Haze and Breezy

78°F

26°C

Humidity 71%
Wind Speed N 25 G 47 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Heat Index80°F (27°C)
Last update 16 Aug 4:52 pm CDT
Extended Forecast for

Montgomery IL

Severe T-storm Watch until August 16, 07:00pm
Heat Advisory August 16, 06:00pm until August 16, 08:00pm
Click here for hazard details and duration
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  •  
    Severe T-storm Watch until August 16, 07:00pm
    Heat Advisory August 16, 06:00pm until August 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 73 °F

    Severe
    Thunderstorms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm.  Partly sunny, with a high near 85. Northwest wind 5 to 10 mph becoming northeast in the morning.

    High: 85 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 72. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe. Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 20 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 85. Northwest wind 5 to 10 mph becoming northeast in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Montgomery IL
 41.73°N 88.36°W
5:07 pm CDT Aug 16, 2025
6pm CDT Aug 16, 2025-6pm CDT Aug 23, 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