Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

99°F

37°C

Humidity 35%
Wind Speed NW 9 mph
Barometer 29.87 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 25 Jun 2:50 pm CDT
Extended Forecast for

3 Miles NNE Granite City IL

Heat Advisory until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 25, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 72. Southwest wind 6 to 9 mph becoming northeast after midnight.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 2pm. Some of the storms could produce heavy rainfall.  High near 85. Northwest wind 7 to 11 mph becoming south in the morning.  Chance of precipitation is 90%.

    High: 85 °F

    Heavy Rain
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. North wind 5 to 10 mph becoming light  after midnight.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. East wind 3 to 6 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 99. Heat index values as high as 104. Southwest wind around 14 mph, with gusts as high as 21 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 72. Southwest wind 6 to 9 mph becoming northeast after midnight.
Wednesday
Showers and thunderstorms, mainly before 2pm. Some of the storms could produce heavy rainfall. High near 85. Northwest wind 7 to 11 mph becoming south in the morning. Chance of precipitation is 90%.
Wednesday Night
Mostly clear, with a low around 66. North wind 5 to 10 mph becoming light after midnight.
Thursday
Sunny, with a high near 88. East wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Granite City IL
 38.77°N 90.11°W (Elev. 417 ft)
1:07 pm CDT Jun 25, 2024
3pm CDT Jun 25, 2024-6pm CDT Jul 2, 2024
 
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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