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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Partly Cloudy

78°F

26°C

Humidity 77%
Wind Speed NA
Barometer 30.01 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 May 6:15 pm CDT
Extended Forecast for

Saint Peter IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 57. West wind 5 to 10 mph becoming north after midnight.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 9am. Cloudy, with a high near 63. Northeast wind 9 to 11 mph.

    High: 63 °F

    Slight Chance
    Showers then
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Northeast wind around 9 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70. East wind around 11 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely after 1am. Mostly cloudy, with a low around 55. East wind around 10 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 57. West wind 5 to 10 mph becoming north after midnight.
Wednesday
A 20 percent chance of showers before 9am. Cloudy, with a high near 63. Northeast wind 9 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 50. Northeast wind around 9 mph.
Thursday
Partly sunny, with a high near 70. East wind around 11 mph.
Thursday Night
Showers likely after 1am. Mostly cloudy, with a low around 55. East wind around 10 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Memorial Day
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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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:
5:31 pm CDT May 19, 2026
Forecast Valid:
6pm CDT May 19, 2026-6pm CDT May 26, 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