Riverton, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, IA in one place.
Showers and thunderstorms. Cloudy. High near 61, with temperatures falling to around 58 in the afternoon. North wind 5 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Riverton, IA 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 15, 2026 9:29 AM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Riverton, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 9:29 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverton
Wednesday looks like the warmest upcoming period in Riverton at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 16 to 28 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 9:29 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- OAX
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 9pm. Partly cloudy. Low around 42, with temperatures rising to around 44 overnight. Northwest wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a high near 54. North northwest wind 16 to 28 mph, with gusts as high as 39 mph.
Areas of frost after 3am. Partly cloudy, with a low around 32. North wind 0 to 12 mph, with gusts as high as 20 mph.
Areas of frost before 9am. Sunny, with a high near 61. South southwest wind 0 to 10 mph, with gusts as high as 17 mph.
Clear, with a low around 40. South wind around 8 mph, with gusts as high as 16 mph.
Sunny, with a high near 68. South wind 8 to 15 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 46. South wind 5 to 10 mph, with gusts as high as 18 mph.
Mostly sunny, with a high near 71. South wind 3 to 7 mph.
Partly cloudy, with a low around 47. South southeast wind around 5 mph.
Sunny, with a high near 74. South southeast wind 3 to 9 mph, with gusts as high as 16 mph.
Mostly clear, with a low around 52. South southeast wind around 6 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 76. South wind 7 to 12 mph, with gusts as high as 20 mph.
A chance of rain showers before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 16 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Showers And Thunderstorms
|
61°F |
5 to 21 mph
N
|
|
Tonight
Oct 15
|
Slight Chance Rain Showers then Partly Cloudy
|
42°F |
20 mph
NW
|
|
Friday
Oct 16
|
Mostly Cloudy
|
54°F |
16 to 28 mph
NNW
|
|
Friday Night
Oct 16
|
Partly Cloudy then Areas Of Frost
|
32°F |
0 to 12 mph
N
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
61°F |
0 to 10 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
8 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
8 to 15 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
71°F |
3 to 7 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
47°F |
5 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
74°F |
3 to 9 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
52°F |
6 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
76°F |
7 to 12 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
55°F |
6 to 9 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Riverton.