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

2 Miles WSW Lenzburg IL

  • Overnight

    Overnight: Drizzle.  Mostly cloudy, with a low around 67. Northwest wind around 15 mph.

    Low: 67 °F

    Drizzle

  • Sunday

    Sunday: Drizzle likely, mainly before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind around 14 mph, with gusts as high as 22 mph.

    High: 80 °F

    Drizzle
    Likely then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind 5 to 9 mph becoming light.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 3 to 6 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Monday Night

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

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Drizzle. Mostly cloudy, with a low around 67. Northwest wind around 15 mph.
Sunday
Drizzle likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind around 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 64. North wind 5 to 9 mph becoming light.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 64. Light east wind.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lenzburg IL
 38.28°N 89.85°W (Elev. 423 ft)
11:26 pm CDT Aug 1, 2026
12am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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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