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

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

71°F

22°C

Humidity 76%
Wind Speed S 7 mph
Barometer 30.03 in (1016.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 30 Aug 7:52 am CDT
Extended Forecast for

Riverton IL

  • Today

    Today: Mostly sunny, with a high near 91. South southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind around 9 mph, with gusts as high as 16 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. Heat index values as high as 100. South southwest wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Southwest wind 6 to 8 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 91. South southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 71. South wind around 9 mph, with gusts as high as 16 mph.
Monday
Mostly sunny and hot, with a high near 95. Heat index values as high as 100. South southwest wind 8 to 10 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 75. South wind 6 to 8 mph, with gusts as high as 15 mph.
Tuesday
Sunny and hot, with a high near 98. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 77. South wind 5 to 8 mph, with gusts as high as 15 mph.
Wednesday
Sunny and hot, with a high near 100. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny and hot, with a high near 96.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A chance of showers. Mostly sunny, with a high near 92.
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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:
8:06 am CDT Aug 30, 2026
Forecast Valid:
8am CDT Aug 30, 2026-6pm CDT Sep 5, 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