Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

81°F

27°C

Humidity 58%
Wind Speed NW 8 mph
Barometer 30.09 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 2:50 pm CDT
Extended Forecast for

Hamel IL

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 62. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 62 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Increasing clouds, with a low around 68. Southeast wind 3 to 5 mph.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 7am.  Mostly cloudy, with a high near 83. Light and variable wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 83 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 62. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 68. Southeast wind 3 to 5 mph.
Wednesday
Showers and thunderstorms likely, mainly before 7am. Mostly cloudy, with a high near 83. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 84.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 65. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Hamel IL
 38.9°N 89.85°W (Elev. 548 ft)
1:26 pm CDT Aug 17, 2026
3pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database