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

Taylorville, Taylorville Municipal Airport (KTAZ)

Lat: 39.53°NLon: 89.33°WElev: 623ft.

N/A

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

Fillmore IL

  • Overnight

    Overnight: Drizzle. Cloudy, with a low around 66. North wind around 15 mph.

    Low: 66 °F

    Drizzle

  • Sunday

    Sunday: A chance of drizzle, mainly before 9am. Partly sunny, with a high near 79. North wind around 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Chance
    Drizzle then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North wind 5 to 9 mph becoming light after midnight.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Northeast wind 3 to 5 mph.

    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
Drizzle. Cloudy, with a low around 66. North wind around 15 mph.
Sunday
A chance of drizzle, mainly before 9am. Partly sunny, with a high near 79. North wind around 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 62. North wind 5 to 9 mph becoming light after midnight.
Monday
Sunny, with a high near 82. Northeast wind 3 to 5 mph.
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, mainly 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 68.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fillmore IL
 39.1°N 89.27°W (Elev. 600 ft)
Last Update:
2:21 am CDT Aug 2, 2026
Forecast Valid:
3am 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