Glasgow, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Glasgow, IL in one place.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Glasgow, 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: Jul 15, 2026 7:19 AM CDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Glasgow, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 7:19 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Glasgow
Monday looks like the warmest upcoming period in Glasgow at 93 degrees F.
Thursday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 10 mph NNW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 7:19 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KLSX
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 before 1am. Partly cloudy, with a low around 72. South southwest wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 89. West southwest wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 73. West southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 92.
Mostly clear, with a low around 73.
Sunny, with a high near 90.
Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
72°F |
3 mph
SSW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
89°F |
1 to 6 mph
WSW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
73°F |
6 mph
WSW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms then Sunny
|
92°F |
6 to 9 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
73°F |
7 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
90°F |
5 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
72°F |
5 mph
SSW
|
|
Monday
Jul 20
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
6 to 9 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
72°F |
7 mph
WNW
|
|
Tuesday
Jul 21
|
Sunny
|
88°F |
6 to 10 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Glasgow.