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.

Fog/Mist

36°F

2°C

Humidity 87%
Wind Speed N 13 G 18 mph
Barometer 30.18 in
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Wind Chill27°F (-3°C)
Last update 7 Dec 5:55 pm CST
Extended Forecast for

Saint Peter IL

  • Tonight

    Tonight: A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 20. North wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 33. North wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Light and variable wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 24 mph.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind around 14 mph, with gusts as high as 24 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a steady temperature around 43. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 43 by 8am, then falling to around 37 during the remainder of the day.

    High: 43 °F⇓

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 20. North wind 8 to 13 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 33. North wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 23. Light and variable wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a steady temperature around 43. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 43 by 8am, then falling to around 37 during the remainder of the day.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
Partly sunny and cold, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Peter IL
 38.86°N 88.83°W (Elev. 574 ft)
Last Update:
4:46 pm CST Dec 7, 2025
Forecast Valid:
6pm CST Dec 7, 2025-6pm CST Dec 14, 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