Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Overcast

71°F

22°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.93 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 26 May 8:30 pm CDT
Extended Forecast for

6 Miles W West Salem IL

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 65. East northeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 81. Light and variable wind becoming west around 6 mph in the morning.  Chance of precipitation is 60%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Increasing clouds, with a low around 63. Light north northeast wind.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 84. Northeast wind 5 to 8 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. East northeast wind around 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. East northeast wind around 7 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. East northeast wind 3 to 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 1pm.  Mostly sunny, with a high near 81. East northeast wind 5 to 8 mph.

    High: 81 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. East northeast wind 5 to 7 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 65. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 63. Light north northeast wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 84. Northeast wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 63. East northeast wind around 8 mph.
Friday
Partly sunny, with a high near 79. East northeast wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 61. East northeast wind 3 to 5 mph.
Saturday
A slight chance of showers before 1pm. Mostly sunny, with a high near 81. East northeast wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 61. East northeast wind 5 to 7 mph.
Sunday
A slight chance of showers before 1pm. Mostly sunny, with a high near 80. East northeast wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 59. East northeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 80. North northeast wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 58. Northeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 79. Northeast wind 6 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W West Salem IL
 38.5°N 88.11°W
5:46 pm CDT May 26, 2026
8pm CDT May 26, 2026-6pm CDT Jun 2, 2026
 
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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