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

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

54°F

12°C

Humidity 88%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Jul 5:19 am CDT
Extended Forecast for

Dover IL

  • Today

    Today: Sunny, with a high near 76. Calm wind.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Calm wind.
Tonight
Mostly cloudy, with a low around 58. Calm wind.
Friday
Partly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. South wind around 5 mph.
Saturday
Partly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dover IL
 41.44°N 89.4°W (Elev. 748 ft)
Last Update:
1:56 am CDT Jul 23, 2026
Forecast Valid:
5am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
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