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

Hazardous Weather Conditions

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Feb 11:15 pm CST
Extended Forecast for

Walsh IL

Dense Fog Advisory until February 16, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 16, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Tonight

    Low: 36 °F

    Patchy Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 63. Light south wind increasing to 5 to 10 mph in the morning.

    High: 63 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 57 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 36. Calm wind.
Washington's Birthday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 63. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 43. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 63. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 57. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
Friday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 55.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walsh IL
 38.1°N 89.86°W (Elev. 499 ft)
Last Update:
10:16 pm CST Feb 15, 2026
Forecast Valid:
11pm CST Feb 15, 2026-6pm CST Feb 22, 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