Riverton, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, IL in one place.
Mostly sunny, with a high near 81.
Local Weather Overview
This forecast page for Riverton, 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: Apr 20, 2026 5:19 AM CDT.
The active forecast window currently covers Apr 23 to Apr 26, 2026 for Riverton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 5:19 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverton
Thursday looks like the warmest upcoming period in Riverton at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 5:19 AM CDT
- Coverage
- 4 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 chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 80%.
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
A chance of rain showers. Partly cloudy, with a low around 48.
A chance of rain showers. Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
81°F |
10 to 20 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
61°F |
14 to 18 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
73°F |
14 mph
SW
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms
|
49°F |
10 mph
NW
|
|
Saturday
Apr 25
|
Chance Showers And Thunderstorms
|
71°F |
12 mph
N
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
48°F |
9 mph
NNE
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
71°F |
8 to 12 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Riverton.