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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

69°F

21°C

Humidity 91%
Wind Speed N 8 G 21 mph
Barometer 29.76 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 1:15 am CDT
Extended Forecast for

Walshville IL

  • Overnight

    Overnight: Showers before 2am, then drizzle, mainly between 2am and 5am. Low around 65. North wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: A chance of drizzle, mainly before 8am. Partly sunny, with a high near 80. North wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 80 °F

    Chance
    Drizzle then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. North wind 5 to 9 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Overnight
Showers before 2am, then drizzle, mainly between 2am and 5am. Low around 65. North wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Sunday
A chance of drizzle, mainly before 8am. Partly sunny, with a high near 80. North wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 61. North wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Light northeast wind.
Monday Night
Clear, with a low around 61. Calm wind.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walshville IL
 39.07°N 89.58°W (Elev. 610 ft)
Last Update:
1:26 am CDT Aug 2, 2026
Forecast Valid:
1am CDT Aug 2, 2026-6pm CDT Aug 8, 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