Manhattan, IL Weather Forecast
Local 7-day forecast
Patchy Fog then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Manhattan, IL in one place.
Patchy fog before 10am, then a slight chance of showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 111. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Manhattan, 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 27, 2026 9:52 AM CDT.
The active forecast window currently covers Jul 27 to Aug 2, 2026 for Manhattan, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 27 to Aug 2, 2026
- Latest sync
- Jul 27, 2026 9:52 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Manhattan
Today looks like the warmest upcoming period in Manhattan at 91 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Today at about 5 to 15 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 27, 2026 9:52 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
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 11pm. Mostly cloudy, with a low around 70. Heat index values as high as 100. West northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 61. North northeast wind 5 to 15 mph.
Sunny, with a high near 81. North northeast wind around 5 mph, with gusts as high as 15 mph.
Mostly clear, with a low around 62.
Sunny, with a high near 84.
Partly cloudy, with a low around 65.
A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 82.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Mostly sunny, with a high near 83.
Mostly clear, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 27
|
Patchy Fog then Slight Chance Showers And Thunderstorms
|
91°F |
5 to 15 mph
SSW
|
|
Tonight
Jul 27
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
70°F |
5 to 15 mph
WNW
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
80°F |
10 to 15 mph
NNE
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
61°F |
5 to 15 mph
NNE
|
|
Wednesday
Jul 29
|
Sunny
|
81°F |
5 mph
NNE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
62°F |
0 to 5 mph
NNE
|
|
Thursday
Jul 30
|
Sunny
|
84°F |
0 to 5 mph
WSW
|
|
Thursday Night
Jul 30
|
Partly Cloudy
|
65°F |
0 to 5 mph
S
|
|
Friday
Jul 31
|
Chance Showers And Thunderstorms
|
82°F |
0 to 5 mph
S
|
|
Friday Night
Jul 31
|
Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
SSE
|
|
Saturday
Aug 1
|
Chance Showers And Thunderstorms
|
83°F |
0 to 5 mph
N
|
|
Saturday Night
Aug 1
|
Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
N
|
|
Sunday
Aug 2
|
Mostly Sunny
|
83°F |
5 mph
N
|
|
Sunday Night
Aug 2
|
Mostly Clear
|
62°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Manhattan.