Harrisburg, MO Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harrisburg, MO in one place.
A slight chance of rain showers between 7am and 10am. Sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Harrisburg, MO 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: Apr 17, 2026 7:49 AM CDT.
The active forecast window currently covers Apr 18 to Apr 23, 2026 for Harrisburg, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 7:49 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrisburg
Thursday looks like the warmest upcoming period in Harrisburg at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Saturday at about 15 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 7:49 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 38. West wind 5 to 12 mph, with gusts as high as 21 mph.
Sunny, with a high near 66.
Mostly clear, with a low around 44.
Sunny, with a high near 72.
Mostly clear, with a low around 52.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 55.
Sunny, with a high near 79.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Slight Chance Rain Showers then Sunny
|
57°F |
15 mph
NW
|
|
Saturday Night
Apr 18
|
Clear
|
38°F |
5 to 12 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
66°F |
6 to 10 mph
W
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
44°F |
6 mph
S
|
|
Monday
Apr 20
|
Sunny
|
72°F |
7 to 10 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
52°F |
7 to 10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
75°F |
10 to 15 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
55°F |
8 to 12 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
79°F |
7 to 10 mph
S
|
|
Wednesday Night
Apr 22
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
59°F |
9 mph
S
|
|
Thursday
Apr 23
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
80°F |
9 to 14 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrisburg.