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

60°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in (1017.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 May 2:52 am CDT
Extended Forecast for

Thayer IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 82. East wind 3 to 7 mph.

    High: 82 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Light and variable wind becoming northeast around 6 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. East northeast wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. East northeast wind 7 to 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 63. Calm wind.
Tuesday
Mostly cloudy, with a high near 82. East wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Light and variable wind becoming northeast around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 82. East northeast wind 9 to 11 mph, with gusts as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 58. East northeast wind 7 to 9 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thayer IL
 39.54°N 89.76°W (Elev. 643 ft)
Last Update:
2:51 am CDT May 26, 2026
Forecast Valid:
3am CDT May 26, 2026-6pm CDT Jun 1, 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