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

Winter Storm Impacting Portions of the West

Periods of heavy rain, high elevation snow, and high winds will continue in the Pacific Northwest, Rockies and parts of the Great Basin through the weekend. Minor river flooding, flash flooding, and debris flows will also be possible near recently burned areas in the Pacific Northwest. Strong thunderstorms with heavy downpours will impact the central Gulf to the Southeast into the weekend. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

41°F

5°C

Humidity 92%
Wind Speed W 10 mph
Barometer 29.98 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Dec 1:15 am CST
Extended Forecast for

2 Miles WSW Alton IL

  • Overnight

    Overnight: Cloudy, with a low around 39. West wind 6 to 8 mph.

    Cloudy

    Low: 39 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 47. West wind around 5 mph becoming light and variable in the afternoon.

    Mostly Cloudy

    High: 47 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of rain after 7pm. Mostly cloudy, with a low around 39. Light and variable wind becoming southeast 5 to 7 mph in the evening.

    Chance Rain

    Low: 39 °F

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Partly sunny, with a high near 51. West wind 7 to 16 mph, with gusts as high as 23 mph.

    Slight Chance
    Rain then
    Mostly Sunny

    High: 51 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33. Southwest wind 5 to 7 mph becoming northeast after midnight.

    Chance Rain

    Low: 33 °F

  • Monday

    Monday: Mostly sunny, with a high near 49.

    Mostly Sunny

    High: 49 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 36.

    Mostly Cloudy

    Low: 36 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    Mostly Sunny

    High: 51 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Partly Cloudy

    Low: 30 °F

Detailed Forecast

Overnight
Cloudy, with a low around 39. West wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 47. West wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
A 50 percent chance of rain after 7pm. Mostly cloudy, with a low around 39. Light and variable wind becoming southeast 5 to 7 mph in the evening.
Sunday
A 20 percent chance of rain before noon. Partly sunny, with a high near 51. West wind 7 to 16 mph, with gusts as high as 23 mph.
Sunday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33. Southwest wind 5 to 7 mph becoming northeast after midnight.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 58.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
Last Update:
10:22 pm CST Dec 1, 2023
Forecast Valid:
1am CST Dec 2, 2023-6pm CST Dec 8, 2023
 
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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