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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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Partly Cloudy

64°F

18°C

Humidity 100%
Wind Speed SW 9 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 May 5:35 am CDT
Extended Forecast for

Palmyra IL

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 75. South wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 51. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Northeast wind 9 to 11 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Northeast wind 8 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 75. South wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 51. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 67. Northeast wind 9 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Northeast wind 8 to 10 mph.
Thursday
Partly sunny, with a high near 69.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 51.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 77.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Palmyra IL
 39.43°N 89.99°W (Elev. 676 ft)
Last Update:
5:51 am CDT May 19, 2026
Forecast Valid:
5am CDT May 19, 2026-6pm CDT May 25, 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