Melvin, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Melvin, IL in one place.
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 87. Heat index values as high as 96. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Melvin, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 9:54 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Melvin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 9:54 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Melvin
Wednesday looks like the warmest upcoming period in Melvin at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 20 mph SSW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:54 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 7am. Mostly sunny, with a high near 91. Heat index values as high as 99. South southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 72. South southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Rain showers likely before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 84.
Mostly clear, with a low around 61.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81.
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
87°F |
5 to 10 mph
SW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
SW
|
|
Wednesday
Jun 10
|
Chance Rain Showers then Mostly Sunny
|
91°F |
10 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
72°F |
15 to 20 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
88°F |
15 to 20 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
64°F |
10 to 20 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
84°F |
10 to 15 mph
WNW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
61°F |
5 to 10 mph
WSW
|
|
Saturday
Jun 13
|
Sunny then Chance Showers And Thunderstorms
|
87°F |
5 to 15 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
W
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
81°F |
5 to 15 mph
NNW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
N
|
|
Monday
Jun 15
|
Chance Rain Showers
|
79°F |
5 to 15 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Melvin.