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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

Terre Haute Regional Airport (KHUF)

Lat: 39.44°NLon: 87.32°WElev: 568ft.

Fair

70°F

21°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in (1017.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 15 Aug 1:53 am EDT
Extended Forecast for

West Union IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 100. Light south wind.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Light south southwest wind.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 68. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 92. Heat index values as high as 100. Light south wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 94. Light south southwest wind.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 30 percent chance of showers after 1pm. Sunny, with a high near 93.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Union IL
 39.22°N 87.66°W (Elev. 449 ft)
Last Update:
12:41 am CDT Aug 15, 2025
Forecast Valid:
1am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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