Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

72°F

22°C

Humidity	88%
Wind Speed	N 6 mph
Barometer	29.68 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	1 Aug 3:50 pm CDT

More Information:

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

Extended Forecast for

2 Miles ESE Maryville IL

This Afternoon
High: 74 °F
Showers
Likely
Tonight
Low: 68 °F
Showers
Likely and
Patchy Fog
Sunday
High: 80 °F
Patchy
Drizzle then
Partly Sunny
Sunday Night
Low: 66 °F
Partly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny

Detailed Forecast

This Afternoon

Showers likely, mainly after 5pm. Cloudy, with a high near 74. West wind around 8 mph. Chance of precipitation is 60%.

Tonight

Showers and thunderstorms likely before midnight, then scattered showers between midnight and 1am, then areas of drizzle after 1am. Patchy fog before 8pm. Otherwise, cloudy, with a low around 68. North wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Sunday

Patchy drizzle before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind around 17 mph, with gusts as high as 25 mph.

Sunday Night

Partly cloudy, with a low around 66. North wind 5 to 13 mph.

Monday

Mostly sunny, with a high near 84. North wind 5 to 7 mph.

Monday Night

Mostly clear, with a low around 65.

Tuesday

Sunny, with a high near 85.

Tuesday Night

Mostly clear, with a low around 67.