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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Danville, Vermilion County Airport (KDNV)

Lat: 40.2°NLon: 87.6°WElev: 696ft.

Mostly Cloudy

70°F

21°C

Humidity 96%
Wind Speed SW 7 mph
Barometer 29.54 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Jun 11:55 pm CDT
Extended Forecast for

Alvin IL

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming clear, with a low around 61. West wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 73. West northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Light west northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming clear, with a low around 61. West wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 73. West northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 77. Light west northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81. Calm wind becoming west southwest 5 to 7 mph in the morning.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 78. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alvin IL
 40.3°N 87.61°W (Elev. 650 ft)
Last Update:
11:41 pm CDT Jun 17, 2026
Forecast Valid:
12am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation