Helena, MO Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Helena, MO in one place.
Showers and thunderstorms likely. Mostly cloudy. High near 77, with temperatures falling to around 72 in the afternoon. North wind 6 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Helena, 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: Sep 14, 2026 4:11 AM CDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Helena, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 4:11 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Helena
Wednesday looks like the warmest upcoming period in Helena at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Friday at about 9 to 14 mph SSE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 4:11 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 65. Northeast wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 85. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 69.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Showers And Thunderstorms Likely
|
77°F |
6 to 13 mph
N
|
|
Tuesday Night
Sep 15
|
Showers And Thunderstorms
|
65°F |
8 to 13 mph
NE
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms
|
85°F |
9 mph
SE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
SE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
84°F |
3 to 7 mph
SE
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Slight Chance Rain Showers
|
69°F |
8 mph
ESE
|
|
Friday
Sep 18
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
9 to 14 mph
SSE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
12 mph
S
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
80°F |
12 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
63°F |
9 mph
E
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
74°F |
9 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Helena.