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.

Overcast

56°F

13°C

Humidity 48%
Wind Speed SW 10 mph
Barometer 30.21 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Nov 3:15 pm CST
Extended Forecast for

Saint Peter IL

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, clear, with a low around 36. Calm wind becoming southwest around 6 mph after midnight.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Sunny, with a high near 62. West wind 5 to 9 mph becoming light and variable in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 37. Calm wind.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

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

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, clear, with a low around 36. Calm wind becoming southwest around 6 mph after midnight.
Monday
Sunny, with a high near 62. West wind 5 to 9 mph becoming light and variable in the afternoon.
Monday Night
Increasing clouds, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 50.
Friday
A 40 percent chance of showers, mainly before noon. Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 55.
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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:
3:16 pm CST Nov 2, 2025
Forecast Valid:
3pm CST Nov 2, 2025-6pm CST Nov 9, 2025
 
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