Riverton, IA Weather Forecast

Local 7-day forecast

85°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, IA in one place.

Sunday, May 31, 2026
Wind: 10 to 14 mph SE
Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

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: May 30, 2026 12:05 PM CDT.

The active forecast window currently covers May 31 to Jun 5, 2026 for Riverton, IA.

Page Snapshot

Page focus
city weather
Forecast window
May 31 to Jun 5, 2026
Latest sync
May 30, 2026 12:05 PM CDT
Forecast office
OAX
Source
NOAA / NWS
Next High
85°F
Sunday
Next Low
64°F
Sunday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
10 to 14 mph
Sunday

Daily Outlook

Today
May 31
Chance Showers And Thunderstorms
85 °F
/ 64°F
Wind 10 to 14 mph
Mon
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Sunny
85 °F
/ 62°F
Wind 3 to 8 mph
Tue
Jun 2
Mostly Sunny then Slight Chance Showers And Thunderstorms
83 °F
/ 61°F
Wind 3 to 8 mph
Wed
Jun 3
Slight Chance Showers And Thunderstorms
82 °F
/ 63°F
Wind 6 to 12 mph
Thu
Jun 4
Chance Showers And Thunderstorms
83 °F
/ 65°F
Wind 8 to 12 mph
Fri
Jun 5
Chance Showers And Thunderstorms
85 °F
/ 64°F
Wind 9 mph

This Week in Riverton

Sunday looks like the warmest upcoming period in Riverton at 85 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Sunday at about 10 to 14 mph SE.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
May 30, 2026 12:05 PM CDT
Coverage
6 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 source

Extended Forecast

Sunday Night
May 31
64°F
Chance Showers And Thunderstorms
2 to 9 mph SE

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Southeast wind 2 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Monday
Jun 1
85°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
3 to 8 mph NW

A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 85. Northwest wind 3 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Monday Night
Jun 1
62°F
Mostly Clear
3 to 8 mph NNE

Mostly clear, with a low around 62. North northeast wind 3 to 8 mph.

Tuesday
Jun 2
83°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
3 to 8 mph E

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. East wind 3 to 8 mph, with gusts as high as 16 mph.

Tuesday Night
Jun 2
61°F
Slight Chance Showers And Thunderstorms
5 to 8 mph SE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Southeast wind 5 to 8 mph.

Wednesday
Jun 3
82°F
Slight Chance Showers And Thunderstorms
6 to 12 mph SSE

A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South southeast wind 6 to 12 mph, with gusts as high as 20 mph.

Wednesday Night
Jun 3
63°F
Slight Chance Showers And Thunderstorms
10 mph SSE

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 18 mph.

Thursday
Jun 4
83°F
Chance Showers And Thunderstorms
8 to 12 mph S

A chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 8 to 12 mph, with gusts as high as 22 mph.

Thursday Night
Jun 4
65°F
Chance Showers And Thunderstorms
7 to 10 mph S

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 7 to 10 mph, with gusts as high as 20 mph.

Friday
Jun 5
85°F
Chance Showers And Thunderstorms
9 mph SSW

A chance of showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind around 9 mph, with gusts as high as 16 mph.

Friday Night
Jun 5
64°F
Chance Showers And Thunderstorms
3 to 7 mph SSE

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. South southeast wind 3 to 7 mph.

Detailed Forecast

Period Conditions Temp Wind
Sunday
May 31
Chance Showers And Thunderstorms
85°F
10 to 14 mph
SE
Sunday Night
May 31
Chance Showers And Thunderstorms
64°F
2 to 9 mph
SE
Monday
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Sunny
85°F
3 to 8 mph
NW
Monday Night
Jun 1
Mostly Clear
62°F
3 to 8 mph
NNE
Tuesday
Jun 2
Mostly Sunny then Slight Chance Showers And Thunderstorms
83°F
3 to 8 mph
E
Tuesday Night
Jun 2
Slight Chance Showers And Thunderstorms
61°F
5 to 8 mph
SE
Wednesday
Jun 3
Slight Chance Showers And Thunderstorms
82°F
6 to 12 mph
SSE
Wednesday Night
Jun 3
Slight Chance Showers And Thunderstorms
63°F
10 mph
SSE
Thursday
Jun 4
Chance Showers And Thunderstorms
83°F
8 to 12 mph
S
Thursday Night
Jun 4
Chance Showers And Thunderstorms
65°F
7 to 10 mph
S
Friday
Jun 5
Chance Showers And Thunderstorms
85°F
9 mph
SSW
Friday Night
Jun 5
Chance Showers And Thunderstorms
64°F
3 to 7 mph
SSE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.