National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

91°F

33°C

Humidity 63%
Wind Speed S 10 mph
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 14 Aug 3:45 pm CDT
Extended Forecast for

Bunker Hill IL

Heat Advisory August 14, 04:14pm until August 16, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 04:14pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 9am and 10am. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Heat index values as high as 103. Northwest wind 5 to 8 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Southeast wind around 6 mph.
Saturday
A slight chance of showers and thunderstorms between 9am and 10am. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 92. Heat index values as high as 103. Northwest wind 5 to 8 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 3 to 6 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bunker Hill IL
 39.03°N 89.96°W (Elev. 643 ft)
Last Update:
1:41 pm CDT Aug 14, 2026
Forecast Valid:
4pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation