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

32°F

0°C

Humidity 55%
Wind Speed SE 8 mph
Barometer 30.14 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Mar 1:55 am CDT
Extended Forecast for

Saint Peter IL

  • Overnight

    Overnight: A slight chance of snow before 5am, then a chance of flurries with a slight chance of snow after 5am. Cloudy, with a low around 28. Southeast wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of flurries before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 58 °F

    Chance
    Flurries

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 40. Light south wind.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 68. South wind around 6 mph becoming northwest in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of snow before 5am, then a chance of flurries with a slight chance of snow after 5am. Cloudy, with a low around 28. Southeast wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
A chance of flurries before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Increasing clouds, with a low around 40. Light south wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 68. South wind around 6 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Light and variable wind.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 51.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
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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:
1:26 am CDT Mar 18, 2026
Forecast Valid:
2am CDT Mar 18, 2026-6pm CDT Mar 24, 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