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

**Beyond the Warning Presentation in Oglesby on 3/10/2026 POSTPONED**

Due to the potential for severe thunderstorms on Tuesday, March 10th, the Beyond the Warning seminar in Oglesby, IL has been POSTPONED. We intend to reschedule this session later this spring. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

N/A

Humidity NA
Wind Speed S 13 mph
Barometer 29.74 in
Dewpoint N/A
Visibility 10.00 mi
Last update 9 Mar 9:35 pm CDT
Extended Forecast for

Tonica IL

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 41. Southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 47. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 47 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 41. Southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 47. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 28. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 40. Breezy.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Cloudy, with a high near 53.
Saturday Night
A chance of showers. Cloudy, with a low around 39.
Sunday
Rain and snow showers likely. Cloudy, with a high near 53. Breezy.
Sunday Night
Mostly cloudy, with a low around 20. Blustery.
Monday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tonica IL
 41.21°N 89.06°W
Last Update:
3:46 pm CDT Mar 9, 2026
Forecast Valid:
9pm CDT Mar 9, 2026-6pm CDT Mar 16, 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