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.

Mostly Cloudy

79°F

26°C

Humidity 63%
Wind Speed S 16 G 23 mph
Barometer 29.87 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Mar 2:35 pm CDT
Extended Forecast for

5 Miles SW Johnsonville IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 79. South southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 61. South southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 3pm, then a chance of showers. Temperature rising to near 69 by 11am, then falling to around 52 during the remainder of the day. Breezy, with a southwest wind 16 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    High: 69 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North northwest wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 53. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. South wind 6 to 16 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Northwest wind around 6 mph becoming east northeast after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. East wind 6 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 79. South southwest wind around 15 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms likely, mainly between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 61. South southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms before 3pm, then a chance of showers. Temperature rising to near 69 by 11am, then falling to around 52 during the remainder of the day. Breezy, with a southwest wind 16 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North northwest wind 8 to 16 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 53. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 41. South wind 6 to 16 mph, with gusts as high as 28 mph.
Friday
Partly sunny, with a high near 61. West wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 37. Northwest wind around 6 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 64. East wind 6 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 52. South southeast wind 8 to 13 mph, with gusts as high as 24 mph.
Sunday
Showers and thunderstorms. Mostly cloudy, with a high near 65. Breezy, with a south wind 14 to 21 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 23. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 36. Northwest wind around 14 mph, with gusts as high as 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Johnsonville IL
 38.48°N 88.62°W
Last Update:
2:06 pm CDT Mar 10, 2026
Forecast Valid:
2pm CDT Mar 10, 2026-6pm CDT Mar 16, 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