Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

64°F

18°C

Humidity	83%
Wind Speed	E 6 mph
Barometer	30.11 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	7 Sep 7:50 am CDT

More Information:

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

Extended Forecast for

Alton IL

Labor Day
High: 88 °F
Becoming
Sunny
Tonight
Low: 61 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny
Tuesday Night
Low: 71 °F
Mostly Clear
Wednesday
High: 98 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 69 °F
Showers
Thursday
High: 85 °F
Chance
Showers
Thursday Night
Low: 62 °F
Mostly Clear
Friday
High: 87 °F
Sunny

Detailed Forecast

Labor Day

Partly sunny, then gradually becoming sunny, with a high near 88. Light east wind increasing to 5 to 9 mph in the morning.

Tonight

Mostly clear, with a low around 61. East wind 5 to 7 mph.

Tuesday

Mostly sunny, with a high near 95. South wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 71. South wind 5 to 8 mph.

Wednesday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. South wind around 9 mph becoming west in the afternoon. Chance of precipitation is 20%.

Wednesday Night

Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.

Thursday

A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 62.

Friday

Sunny, with a high near 87.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.