La Harpe, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for La Harpe, IL in one place.
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Cloudy, with a high near 69. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for La Harpe, 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: Oct 14, 2026 12:25 PM CDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for La Harpe, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 12:25 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in La Harpe
Tuesday looks like the warmest upcoming period in La Harpe at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Thursday Night at about 10 to 25 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 12:25 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 45. Northwest wind 10 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Partly sunny, with a high near 56.
Patchy frost after 5am. Mostly clear, with a low around 36.
Patchy frost before 8am. Sunny, with a high near 59.
Clear, with a low around 40.
Sunny, with a high near 68.
Partly cloudy, with a low around 47.
Partly sunny, with a high near 70.
Partly cloudy, with a low around 48.
Sunny, with a high near 75.
Mostly clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
69°F |
5 to 10 mph
SE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
45°F |
10 to 25 mph
NW
|
|
Friday
Oct 16
|
Partly Sunny
|
56°F |
20 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Patchy Frost
|
36°F |
0 to 15 mph
N
|
|
Saturday
Oct 17
|
Patchy Frost then Sunny
|
59°F |
0 to 5 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
5 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
5 to 15 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
47°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
70°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
48°F |
0 to 5 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
75°F |
0 to 5 mph
S
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
54°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around La Harpe.
