Lostant, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lostant, IL in one place.
Partly sunny, with a high near 79. South southeast wind 0 to 5 mph, with gusts as high as 15 mph.
Local Weather Overview
This forecast page for Lostant, 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 23, 2026 10:27 AM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Lostant, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 10:27 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lostant
Monday looks like the warmest upcoming period in Lostant at 93 degrees F.
Friday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Monday at about 10 to 15 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 10:27 AM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 61. South wind 0 to 5 mph, with gusts as high as 10 mph.
Partly sunny, with a high near 83. South southwest wind around 5 mph, with gusts as high as 15 mph.
Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 93.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89.
Partly cloudy, with a low around 66.
Sunny, with a high near 87.
Mostly clear, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Partly Sunny
|
79°F |
0 to 5 mph
SSE
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
61°F |
0 to 5 mph
S
|
|
Saturday
Jul 25
|
Partly Sunny
|
83°F |
5 mph
SSW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
69°F |
0 to 5 mph
SSW
|
|
Sunday
Jul 26
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SW
|
|
Sunday Night
Jul 26
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
5 to 10 mph
SW
|
|
Monday
Jul 27
|
Slight Chance Showers And Thunderstorms
|
93°F |
10 to 15 mph
SW
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
WNW
|
|
Tuesday
Jul 28
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
5 to 10 mph
N
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
66°F |
0 to 5 mph
NNE
|
|
Wednesday
Jul 29
|
Sunny
|
87°F |
0 to 5 mph
NNE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
66°F |
0 to 5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lostant.