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

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 16 May 11:55 pm CDT
Extended Forecast for

Belle Prairie City IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 70. South wind around 6 mph.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 88. South wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 88 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 89. South wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 89 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 64. South southwest wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 75. North wind around 9 mph.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 54. North northeast wind 6 to 9 mph.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 70. South wind around 6 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 88. South wind 8 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 89. South wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 64. South southwest wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 75. North wind around 9 mph.
Wednesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 54. North northeast wind 6 to 9 mph.
Thursday
A slight chance of showers after 1pm. Partly sunny, with a high near 72. Northeast wind around 9 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 55. Northeast wind 6 to 8 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 75. Northeast wind around 7 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 58. Northeast wind 3 to 6 mph.
Saturday
A chance of showers. Partly sunny, with a high near 81. East northeast wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Belle Prairie City IL
 38.23°N 88.55°W
Last Update:
11:51 pm CDT May 16, 2026
Forecast Valid:
12am CDT May 17, 2026-6pm CDT May 23, 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