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

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

70°F

21°C

Humidity 96%
Wind Speed SW 8 mph
Barometer 29.70 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 1 Aug 5:35 pm CDT
Extended Forecast for

Kaskaskia IL

  • This Afternoon

    This Afternoon: A chance of drizzle and thunderstorms.  Cloudy, with a high near 75. West wind around 11 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of drizzle and thunderstorms before 7pm, then a chance of drizzle after 7pm.  Cloudy, with a low around 67. Northwest wind 10 to 14 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Drizzle

  • Sunday

    Sunday: A chance of drizzle, mainly after 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind around 15 mph, with gusts as high as 22 mph.

    High: 79 °F

    Chance
    Drizzle

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. North wind 5 to 11 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 84. North wind 5 to 7 mph.

    High: 84 °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 86.

    High: 86 °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 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of drizzle and thunderstorms. Cloudy, with a high near 75. West wind around 11 mph. Chance of precipitation is 20%.
Tonight
A chance of drizzle and thunderstorms before 7pm, then a chance of drizzle after 7pm. Cloudy, with a low around 67. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Sunday
A chance of drizzle, mainly after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind around 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 65. North wind 5 to 11 mph.
Monday
Mostly sunny, with a high near 84. North wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A 40 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 91.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Kaskaskia IL
 37.92°N 89.92°W (Elev. 367 ft)
5:11 pm CDT Aug 1, 2026
5pm CDT Aug 1, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database