
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
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
79°F
26°C
| Humidity | 74% |
| Wind Speed | S 12 G 21 mph |
| Barometer | 29.92 in (1012.6 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 18 May 8:53 am CDT |
Extended Forecast for
Lebanon IL
Flood Watch May 18, 09:56am until May 18, 07:00pm
NOW until 7:00pm Mon
Flood Watch
Today
High: 78 °F
Showers then
T-stormsTonight
Low: 67 °F
Chance
T-storms then
Partly CloudyTuesday
High: 85 °F
Showers
Likely then
T-stormsTuesday Night

Low: 58 °F
Showers
Wednesday

High: 70 °F
Mostly Cloudy
Wednesday Night

Low: 52 °F
Mostly Cloudy
Thursday

High: 73 °F
Partly Sunny
Thursday Night
Low: 58 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Today
Showers and possibly a thunderstorm. High near 78. South wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67. South wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 85. Southwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Northwest wind 7 to 9 mph. Chance of precipitation is 80%.
Wednesday
Mostly cloudy, with a high near 70. North wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lebanon IL
38.63°N 89.81°W (Elev. 449 ft)
38.63°N 89.81°W (Elev. 449 ft)
9:46 am CDT May 18, 2026
9am CDT May 18, 2026-6pm CDT May 24, 2026



