Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

69°F

21°C

Humidity 95%
Wind Speed NE 3 mph
Barometer 30.00 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 26 May 4:35 am CDT
Extended Forecast for

Cave-In-Rock IL

  • Overnight

    Overnight: A 30 percent chance of showers.  Cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  High near 75. Calm wind becoming east northeast around 5 mph in the afternoon.  Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 82. Calm wind becoming east northeast 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 1pm.  Mostly cloudy, with a high near 78. East northeast wind 3 to 6 mph.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly cloudy, with a low around 61. Light northeast wind.

    Low: 61 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a low around 66. Calm wind.
Tuesday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 75. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65. Calm wind.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 78. East northeast wind 3 to 6 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 61. Light northeast wind.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. Calm wind becoming northeast 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 77. Northeast wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 58. Northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 78. Calm wind becoming northeast 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.18°W
1:46 am CDT May 26, 2026
4am CDT May 26, 2026-6pm CDT Jun 1, 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