Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89° N Lon: 90.03° W Elev: 518 ft.

Overcast

NA

Humidity NA
Wind Speed NW 7 mph
Barometer 30.02 in
Dewpoint NA
Visibility 7.00 mi
Last update 17 Aug 5:35 am CDT
Detailed forecast for

Montgomery County

Today
Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph.
Tonight
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. North winds around 5 mph.
Tuesday
Patchy fog in the morning. Sunny. Highs in the mid 80s. Southwest winds around 5 mph.
Tuesday Night
Partly cloudy in the evening, then mostly cloudy with showers and thunderstorms likely after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 70 percent.
Wednesday
Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 80s. West winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 70 percent.
Wednesday Night
Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
Thursday
Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
Thursday Night
Partly cloudy. Lows in the lower 60s.
Friday Through Sunday
Mostly clear. Highs in the lower 80s. Lows in the lower 60s.



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523 AM CDT Mon Aug 17 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database