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Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed N 7 mph
Barometer 29.95 in
Dewpoint 70°F (21°C)
Visibility 2.50 mi
Last update 14 Jun 7:50 am CDT
Extended Forecast for

Grantfork IL

  • Today

    Today: Isolated showers, then scattered showers and thunderstorms after 10am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. North wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 81 °F

    Scattered
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Isolated showers before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. North wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Isolated
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Northeast wind 3 to 5 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Isolated showers, then scattered showers and thunderstorms after 10am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. North wind 3 to 8 mph. Chance of precipitation is 30%.
Tonight
Isolated showers before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. North wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Northeast wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 67. Light and variable wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 67.
Friday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantfork IL
 38.83°N 89.68°W (Elev. 551 ft)
Last Update:
5:07 am CDT Jun 14, 2025
Forecast Valid:
8am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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