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

Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

48°F

9°C

Humidity 50%
Wind Speed S 9 mph
Barometer 30.07 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Dec 3:46 pm CST
Extended Forecast for

Gillespie IL

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South wind 8 to 13 mph, with gusts as high as 21 mph.

    Increasing
    Clouds

    Low: 35 °F

  • Wednesday

    Wednesday: Sunny, with a high near 48. West wind 7 to 14 mph, with gusts as high as 23 mph.

    Sunny

    High: 48 °F

  • Wednesday
    Night

    Wednesday Night: Increasing clouds, with a low around 30. Calm wind becoming southeast 5 to 7 mph after midnight.

    Increasing
    Clouds

    Low: 30 °F

  • Thursday

    Thursday: Rain. High near 44. East wind 7 to 9 mph. Chance of precipitation is 90%.

    Rain Likely
    then Rain

    High: 44 °F

  • Thursday
    Night

    Thursday Night: Rain. Low around 41. East wind 7 to 9 mph. Chance of precipitation is 90%.

    Rain

    Low: 41 °F

  • Friday

    Friday: Rain. High near 45. Chance of precipitation is 80%.

    Rain

    High: 45 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35.

    Chance Rain

    Low: 35 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    Mostly Sunny

    High: 45 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 29.

    Partly Cloudy

    Low: 29 °F

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. South wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 48. West wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Increasing clouds, with a low around 30. Calm wind becoming southeast 5 to 7 mph after midnight.
Thursday
Rain. High near 44. East wind 7 to 9 mph. Chance of precipitation is 90%.
Thursday Night
Rain. Low around 41. East wind 7 to 9 mph. Chance of precipitation is 90%.
Friday
Rain. High near 45. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 42.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Gillespie IL
 39.12°N 89.81°W (Elev. 653 ft)
Last Update:
3:27 pm CST Dec 11, 2018
Forecast Valid:
4pm CST Dec 11, 2018-6pm CST Dec 18, 2018
 
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