Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

A Few Clouds

81°F

27°C

Humidity	70%
Wind Speed	SW 8 mph
Barometer	30.05 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	4 Aug 10:50 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles ENE Highland IL

Today
High: 86 °F
Sunny
Tonight
Low: 66 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 70 °F
Slight Chance
T-storms then
Showers
Likely
Thursday
High: 85 °F
Showers
Likely
Thursday Night
Low: 69 °F
Chance
T-storms
Friday
High: 85 °F
Partly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 87 °F
Slight Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 86. Light and variable wind.

Tonight

Mostly clear, with a low around 66. Light southeast wind.

Wednesday

Sunny, with a high near 89. Calm wind becoming south around 5 mph.

Wednesday Night

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

Thursday

Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind 3 to 5 mph. Chance of precipitation is 70%.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Friday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

Friday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Saturday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.

Saturday Night

Mostly clear, with a low around 71.

Sunday

Sunny, with a high near 90.