National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

77°F

25°C

Humidity 84%
Wind Speed NE 3 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 8:15 pm CDT
Extended Forecast for

San Jose IL

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Heat index values as high as 102. Southeast wind 3 to 7 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Light south southeast wind.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Heat index values as high as 103. South southwest wind 3 to 6 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Light south wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Light southwest wind.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Light south southeast wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Calm wind becoming east southeast around 6 mph after midnight.
Friday
Sunny, with a high near 92. Heat index values as high as 102. Southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 71. Light south southeast wind.
Saturday
Sunny and hot, with a high near 95. Heat index values as high as 103. South southwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 73. Light south wind.
Sunday
Sunny and hot, with a high near 95. Light southwest wind.
Sunday Night
Mostly clear, with a low around 73. Light south southeast wind.
Monday
Sunny and hot, with a high near 95.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 73.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Jose IL
 40.3°N 89.61°W (Elev. 600 ft)
Last Update:
7:40 pm CDT Aug 14, 2025
Forecast Valid:
8pm CDT Aug 14, 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