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

35°F

2°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.06 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 16 Feb 3:15 am CST
Extended Forecast for

Hecker 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

  • Overnight

    Low: 34 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind 6 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 57 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Calm wind.
Washington's Birthday
Mostly sunny, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning.
Monday Night
Partly cloudy, with a low around 43. South wind 6 to 8 mph.
Tuesday
Mostly cloudy, with a high near 64. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 57. Breezy, with a south wind 16 to 20 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 39.
Friday
Mostly sunny, with a high near 52.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 32.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 50.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 29.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hecker IL
 38.3°N 89.99°W (Elev. 449 ft)
Last Update:
3:01 am CST Feb 16, 2026
Forecast Valid:
3am CST Feb 16, 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