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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles SSW Sparta Community-Hunter Field Airport IL

  • Today

    Today: A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 77. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 78. North wind around 14 mph, with gusts as high as 22 mph.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 64. North wind 5 to 9 mph.

    Low: 64 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 81. North wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 77. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 78. North wind around 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 64. North wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 81. North wind around 6 mph.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Sparta Community-Hunter Field Airport IL
 38.09°N 89.72°W (Elev. 561 ft)
Last Update:
1:26 am CDT Aug 1, 2026
Forecast Valid:
4am CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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