Thunderstorms Across the Southeast U.S.; Elevated to Locally Critical Fire Weather in Colorado

A few strong to marginally severe thunderstorms are possible across the Southeast U.S. Friday. A Marginal Risk (Level 1 of 5) outlook has been issued. Strong winds and hail will be the main threats. Elevated to locally critical fire weather conditions will persist across south-central Colorado today due to dry conditions and gusty winds. Read More >

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast and Breezy

12°C

53°F

Humidity 83%
Wind Speed N 37 G 78 km/h
Barometer 1016.8 mb (30.03 in)
Dewpoint 9°C (48°F)
Visibility 16 km
Wind Chill8°C (47°F)
Last update 18 Apr 10:54 pm CDT
Extended Forecast for

3 Miles NNE Grafton IL

  • Tonight

    Tonight: Cloudy early, then gradual clearing, with a low around 7. North wind 21 to 29 km/h, with gusts as high as 50 km/h.

    Gradual
    Clearing

    Low: 7 °C

  • Friday

    Friday: Mostly sunny, with a high near 16. North wind 14 to 18 km/h, with gusts as high as 34 km/h.

    Mostly Sunny

    High: 16 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 6. Northwest wind 5 to 11 km/h.

    Partly Cloudy

    Low: 6 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 14. Northwest wind 13 to 23 km/h, with gusts as high as 34 km/h.

    Mostly Sunny

    High: 14 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 4. Northwest wind 11 to 16 km/h.

    Partly Cloudy

    Low: 4 °C

  • Sunday

    Sunday: Sunny, with a high near 16.

    Sunny

    High: 16 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 4.

    Mostly Clear

    Low: 4 °C

  • Monday

    Monday: Sunny, with a high near 19.

    Sunny

    High: 19 °C

  • Monday
    Night

    Monday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 12.

    Mostly Cloudy
    then Chance
    Showers

    Low: 12 °C

Detailed Forecast

Tonight
Cloudy early, then gradual clearing, with a low around 7. North wind 21 to 29 km/h, with gusts as high as 50 km/h.
Friday
Mostly sunny, with a high near 16. North wind 14 to 18 km/h, with gusts as high as 34 km/h.
Friday Night
Partly cloudy, with a low around 6. Northwest wind 5 to 11 km/h.
Saturday
Mostly sunny, with a high near 14. Northwest wind 13 to 23 km/h, with gusts as high as 34 km/h.
Saturday Night
Partly cloudy, with a low around 4. Northwest wind 11 to 16 km/h.
Sunday
Sunny, with a high near 16.
Sunday Night
Mostly clear, with a low around 4.
Monday
Sunny, with a high near 19.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 12.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Sunny, with a high near 18.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 8.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 19.
Click Map For Forecast
Point Forecast:
3 Miles NNE Grafton IL
 39.02°N 90.41°W (Elev. 187 m)
10:37 pm CDT Apr 18, 2024
11pm CDT Apr 18, 2024-6pm CDT Apr 25, 2024
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database