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

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

83°F

28°C

Humidity 72%
Wind Speed S 6 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Aug 10:52 am CDT
Extended Forecast for

Riverton IL

Heat Advisory August 10, 12:00pm until August 10, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms before 2pm. Partly sunny, with a high near 91. Heat index values as high as 102. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 91 °F

    Isolated
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 74. Southwest wind 5 to 7 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. South wind around 7 mph. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers and thunderstorms before 2pm. Partly sunny, with a high near 91. Heat index values as high as 102. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 74. Southwest wind 5 to 7 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. South wind around 7 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton IL
 39.84°N 89.54°W (Elev. 548 ft)
Last Update:
8:22 am CDT Aug 10, 2026
Forecast Valid:
11am CDT Aug 10, 2026-6pm CDT Aug 16, 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