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

80°F

27°C

Humidity 64%
Wind Speed S 8 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 6:52 pm CDT
Extended Forecast for

Rochester IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 68. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. East northeast wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Light east wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Light west southwest wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 68. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 64. Calm wind.
Thursday
Sunny, with a high near 82. East northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 62. Light east wind.
Friday
Sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. Light west southwest wind.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rochester IL
 39.75°N 89.52°W (Elev. 564 ft)
Last Update:
7:36 pm CDT Aug 18, 2026
Forecast Valid:
7pm CDT Aug 18, 2026-6pm CDT Aug 25, 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