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

Hazardous Weather Conditions

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Thunderstorm in Vicinity

75°F

24°C

Humidity 96%
Wind Speed NA
Barometer 29.72 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 21 Jun 8:55 pm CDT
Extended Forecast for

Saint Peter IL

Flood Watch June 21, 09:09pm until June 22, 01:00am
Flash Flood Warning June 21, 09:09pm until June 21, 09:45pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch June 21, 09:09pm until June 22, 01:00am
    Flash Flood Warning June 21, 09:09pm until June 21, 09:45pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind around 11 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 59. North wind 3 to 8 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light northeast wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. South wind 8 to 11 mph becoming west after midnight.
Monday
Mostly cloudy, with a high near 75. North wind around 11 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 59. North wind 3 to 8 mph.
Tuesday
Sunny, with a high near 79. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 60. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy.
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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:
8:46 pm CDT Jun 21, 2026
Forecast Valid:
9pm CDT Jun 21, 2026-6pm CDT Jun 28, 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