
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 Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
66°F
19°C
| Humidity | 85% |
| Wind Speed | S 9 mph |
| Barometer | 29.99 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 18 May 11:15 pm CDT |
Extended Forecast for
3 Miles NE Brighton IL
Tonight

Low: 68 °F
Chance
T-stormsTuesday
High: 79 °F
Showers
Likely then
Chance
T-stormsTuesday Night

Low: 53 °F
Chance
T-stormsWednesday

High: 67 °F
Mostly Cloudy
Wednesday Night

Low: 46 °F
Mostly Cloudy
Thursday

High: 70 °F
Partly Sunny
Thursday Night
Low: 53 °F
Mostly Cloudy
then Chance
ShowersFriday

High: 72 °F
Showers
LikelyFriday Night

Low: 56 °F
Chance
Showers
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a steady temperature around 68. South wind 13 to 16 mph, with gusts as high as 26 mph.
Tuesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 79. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 53. Northwest wind 9 to 11 mph. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 67. North wind 10 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 46. Northeast wind around 10 mph.
Thursday
Partly sunny, with a high near 70.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 56.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Memorial Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NE Brighton IL
39.08°N 90.1°W (Elev. 650 ft)
39.08°N 90.1°W (Elev. 650 ft)
10:41 pm CDT May 18, 2026
11pm CDT May 18, 2026-6pm CDT May 25, 2026



