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.

Fog/Mist

69°F

21°C

Humidity	95%
Wind Speed	NW 8 mph
Barometer	29.74 in
Dewpoint	67°F (19°C)
Visibility	3.00 mi
Last update	1 Aug 10:35 pm CDT

More Information:

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

Extended Forecast for

Maryville IL

Tonight
Low: 67 °F
Chance
Showers
Sunday
High: 80 °F
Decreasing
Clouds
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 84 °F
Decreasing
Clouds
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 70 °F
Partly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

A chance of showers before 1am, then a chance of drizzle, mainly between 1am and 5am. Cloudy, with a low around 67. North wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

Sunday

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

Mostly clear, with a low around 66. North wind 5 to 13 mph.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 5 to 7 mph.

Monday Night

Mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 85.

Tuesday Night

Mostly clear, with a low around 67.