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

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fog/Mist

73°F

23°C

Humidity 98%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 4.00 mi
Last update 16 Jul 12:55 am CDT
Extended Forecast for

Melvin IL

  • Overnight

    Overnight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Heat index values as high as 97. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind around 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 85.

    High: 85 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 70. South wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Heat index values as high as 97. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 80.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Melvin IL
 40.59°N 88.26°W
Last Update:
12:26 am CDT Jul 16, 2025
Forecast Valid:
1am CDT Jul 16, 2025-6pm CDT Jul 22, 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