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

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Rain

71°F

22°C

Humidity 95%
Wind Speed NA
Barometer 29.99 in
Dewpoint 69°F (21°C)
Visibility 5.00 mi
Last update 14 Oct 7:55 am CDT
Extended Forecast for

Saint Peter IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. Northwest wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 64. Light and variable wind becoming northeast 5 to 8 mph in the evening.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. East wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. Southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 60. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 31 mph.

    High: 60 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. Northwest wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 80%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 64. Light and variable wind becoming northeast 5 to 8 mph in the evening.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. East wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. Southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 60. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Peter IL
 38.86°N 88.85°W (Elev. 574 ft)
Last Update:
5:06 am CDT Oct 14, 2026
Forecast Valid:
8am CDT Oct 14, 2026-6pm CDT Oct 20, 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