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

Hazardous Weather Conditions

Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Thunderstorm Rain in Vicinity

58°F

14°C

Humidity 90%
Wind Speed SW 7 mph
Barometer 29.80 in
Dewpoint 56°F (13°C)
Visibility 5.00 mi
Last update 5 May 9:35 am CDT
Extended Forecast for

Sims IL

  • Today

    Today: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Steady temperature around 62. Southwest wind 7 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 5am. Low around 45. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 61. North northeast wind 7 to 9 mph.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. North wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63. North northwest wind 3 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 71. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 51. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 76. West wind 5 to 8 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Steady temperature around 62. Southwest wind 7 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 90%.
Tonight
Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 5am. Low around 45. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 61. North northeast wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 42. North wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 63. North northwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 43. Light and variable wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 71. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 51. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 76. West wind 5 to 8 mph.
Saturday Night
A chance of showers after 1am. Mostly clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 74. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind around 8 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 70. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sims IL
 38.37°N 88.54°W
Last Update:
8:01 am CDT May 5, 2026
Forecast Valid:
9am CDT May 5, 2026-6pm CDT May 11, 2026
 
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Additional Resources

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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