
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
77°F
25°C
| Humidity | 69% |
| Wind Speed | S 17 G 29 mph |
| Barometer | 29.92 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 17 May 9:45 am CDT |
Extended Forecast for
Fidelity IL
Today
High: 87 °F
Mostly Cloudy
then Becoming
Sunny and
BreezyTonight

Low: 71 °F
Increasing
CloudsMonday

High: 85 °F
Showers
Likely and
BreezyMonday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
ShowersTuesday

High: 83 °F
Showers
Tuesday Night

Low: 54 °F
Showers
LikelyWednesday

High: 68 °F
Partly Sunny
Wednesday Night

Low: 48 °F
Mostly Cloudy
Thursday

High: 70 °F
Mostly Sunny
Detailed Forecast
Today
Cloudy early, then gradual clearing, with a high near 87. Breezy, with a south wind 15 to 22 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 71. South wind 15 to 18 mph, with gusts as high as 28 mph.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 85. Breezy, with a south wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Monday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. South wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday
Showers and possibly a thunderstorm. High near 83. South wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fidelity IL
39.15°N 90.15°W (Elev. 617 ft)
39.15°N 90.15°W (Elev. 617 ft)
8:46 am CDT May 17, 2026
10am CDT May 17, 2026-6pm CDT May 23, 2026



