Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

82°F

28°C

Humidity 67%
Wind Speed S 7 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Sep 12:52 am CDT
Extended Forecast for

Rochester IL

Extreme Heat Warning until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 77 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 6 to 8 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind 3 to 6 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

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

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. East northeast wind 3 to 5 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 77. South southwest wind around 7 mph.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 77. South wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny and hot, with a high near 96. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. East northeast wind 3 to 5 mph.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 66.
Labor Day
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 95.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Rochester IL
 39.75°N 89.52°W (Elev. 564 ft)
1:04 am CDT Sep 3, 2026
1am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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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