
Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West
A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
79°F
26°C
| Humidity | 74% |
| Wind Speed | S 7 mph |
| Barometer | 30.09 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 5 Aug 9:50 am CDT |
Alton IL
This Afternoon

High: 90 °F
Slight Chance
T-stormsTonight
Low: 71 °F
Slight Chance
T-storms then
T-stormsThursday
High: 83 °F
T-storms then
Chance
T-stormsThursday Night

Low: 71 °F
Chance
T-stormsFriday

High: 87 °F
Chance
T-stormsFriday Night

Low: 72 °F
Chance
T-stormsSaturday

High: 90 °F
Mostly Sunny
Saturday Night

Low: 73 °F
Mostly Clear
Sunday

High: 92 °F
Sunny
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
38.91°N 90.16°W (Elev. 505 ft)


