
Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley
Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
90°F
32°C
| Humidity | 55% |
| Wind Speed | W 5 mph |
| Barometer | 29.98 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 26 Aug 12:50 pm CDT |
Extended Forecast for
Mount Clare IL
This Afternoon

High: 90 °F
Isolated
T-stormsTonight

Low: 64 °F
Mostly Clear
Thursday

High: 86 °F
Sunny
Thursday Night

Low: 60 °F
Mostly Clear
Friday

High: 84 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday

High: 87 °F
Sunny
Saturday Night

Low: 65 °F
Partly Cloudy
Sunday

High: 93 °F
Sunny
Detailed Forecast
This Afternoon
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Northwest wind around 10 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 64. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming north 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 60. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mount Clare IL
39.1°N 89.81°W (Elev. 633 ft)
39.1°N 89.81°W (Elev. 633 ft)
1:26 pm CDT Aug 26, 2026
2pm CDT Aug 26, 2026-6pm CDT Sep 1, 2026


