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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

48°F

9°C

Humidity 71%
Wind Speed E 6 mph
Barometer 29.89 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Nov 2:15 am CST
Extended Forecast for

5 Miles NNW Greenville IL

  • Overnight

    Overnight: A 50 percent chance of rain and thunderstorms. Cloudy, with a low around 46. Southeast wind around 10 mph.

    Low: 46 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms, mainly before noon. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph becoming north in the afternoon.

    High: 64 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. North wind 3 to 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after noon. Cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
A 50 percent chance of rain and thunderstorms. Cloudy, with a low around 46. Southeast wind around 10 mph.
Tuesday
A 30 percent chance of rain and thunderstorms, mainly before noon. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 44. North wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 59. Calm wind.
Wednesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45. Calm wind.
Thursday
Rain likely, mainly after noon. Cloudy, with a high near 61. Chance of precipitation is 70%.
Thursday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 39.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Greenville IL
 38.95°N 89.42°W (Elev. 551 ft)
Last Update:
2:11 am CST Nov 18, 2025
Forecast Valid:
2am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
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