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

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 >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

89°F

32°C

Humidity 57%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 15 Aug 2:55 pm CDT
Extended Forecast for

Sparland IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. South wind around 6 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 4am. Partly cloudy, with a low around 73. South southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 7am and 10am. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Calm wind becoming south around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. Light southeast wind.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. Southwest wind 3 to 7 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. South wind around 6 mph.
Tonight
A slight chance of showers and thunderstorms between 11pm and 4am. Partly cloudy, with a low around 73. South southeast wind around 7 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms between 7am and 10am. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 96. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 73. Light southeast wind.
Monday
Mostly sunny and hot, with a high near 95. Southwest wind 3 to 7 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparland IL
 41.02°N 89.45°W (Elev. 600 ft)
Last Update:
1:55 pm CDT Aug 15, 2025
Forecast Valid:
3pm CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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