Latham, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Latham, IL in one place.
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 11am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 105. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Latham, 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: Aug 10, 2026 9:14 AM CDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Latham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 9:14 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Latham
Tuesday looks like the warmest upcoming period in Latham at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 13 mph SW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 9:14 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Heat index values as high as 103. Southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 71. Southeast wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East southeast wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Chance Showers And Thunderstorms
|
91°F |
8 to 13 mph
SW
|
|
Tuesday Night
Aug 11
|
Slight Chance Showers And Thunderstorms
|
73°F |
6 to 10 mph
SW
|
|
Wednesday
Aug 12
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
9 mph
SW
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
71°F |
3 to 8 mph
SE
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
83°F |
3 to 8 mph
ESE
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
68°F |
10 mph
ENE
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely
|
82°F |
10 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
68°F |
13 mph
ESE
|
|
Saturday
Aug 15
|
Chance Showers And Thunderstorms
|
84°F |
13 mph
SSE
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms
|
70°F |
7 to 10 mph
SSW
|
|
Sunday
Aug 16
|
Slight Chance Showers And Thunderstorms
|
84°F |
7 to 10 mph
W
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
67°F |
3 to 8 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Latham.