Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Rain

70°F

21°C

Humidity	93%
Wind Speed	SE 5 mph
Barometer	30.09 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	10 Sep 1:15 am CDT

More Information:

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

Extended Forecast for

2 Miles SSW Hartford IL

Overnight
Low: 70 °F
Showers
Thursday
High: 79 °F
Showers then
Showers
Likely
Thursday Night
Low: 66 °F
Slight Chance
Showers then
Patchy Fog
Friday
High: 83 °F
Chance
Showers and
Patchy Fog
Friday Night
Low: 68 °F
Slight Chance
Showers
Saturday
High: 89 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 68 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday
High: 90 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 70. Light east wind. Chance of precipitation is 100%.

Thursday

Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers after 4pm. High near 79. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 90%.

Thursday Night

A 20 percent chance of showers before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.

Friday

A 30 percent chance of showers, mainly after 3pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 83. Light and variable wind becoming east around 6 mph in the morning.

Friday Night

A 20 percent chance of showers before 1am. Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Saturday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 69.

Monday

Sunny, with a high near 93.

Monday Night

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

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Tuesday Night

A 40 percent chance of showers. Partly cloudy, with a low around 64.