10-day forecast for Helena, MO: 65° to 107°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
107°
Best day: Tuesday, August 18
82° · 0.23 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1093° / 74°0
Morning76°feels 76°
Afternoon87°feels 87°
Evening85°feels 89°
Overnight78°feels 78°
93 °
Helena, Monday, 10 August
Overcast. High 93°, low 74°.
Pressure29.85 inHg
Wind10.5 mph SW
Humidity38%
Visibility6.2 mi
Dew point63°
Tue, 11106° / 78°0.06
Morning81°feels 82°
Afternoon103°feels 105°
Evening84°feels 85°
Overnight81°feels 82°
106 °
Helena, Tuesday, 11 August
Rain. High 106°, low 78°.
Pressure29.74 inHg
Wind18.2 mph SW
Humidity31%
Visibility6.2 mi
Dew point63°
Wed, 1292° / 69°0.02
Morning73°feels 74°
Afternoon94°feels 97°
Evening85°feels 89°
Overnight80°feels 81°
92 °
Helena, Wednesday, 12 August
Light rain. High 92°, low 69°.
Pressure29.80 inHg
Wind3.9 mph E
Humidity45%
Visibility6.2 mi
Dew point66°
Thu, 1382° / 67°0.23
Morning74°feels 76°
Afternoon81°feels 85°
Evening73°feels 74°
Overnight73°feels 74°
82 °
Helena, Thursday, 13 August
Rain. High 82°, low 67°.
Pressure29.85 inHg
Wind20.2 mph E
Humidity67%
Visibility—
Dew point69°
Fri, 1476° / 65°0.09
Morning67°feels 68°
Afternoon73°feels 74°
Evening70°feels 71°
Overnight66°feels 67°
76 °
Helena, Friday, 14 August
Light rain. High 76°, low 65°.
Pressure30.00 inHg
Wind20.7 mph E
Humidity80%
Visibility—
Dew point65°
Sat, 1583° / 65°0.04
Morning68°feels 69°
Afternoon74°feels 75°
Evening76°feels 77°
Overnight69°feels 70°
83 °
Helena, Saturday, 15 August
Light rain. High 83°, low 65°.
Pressure30.09 inHg
Wind10.6 mph E
Humidity82%
Visibility—
Dew point67°
Sun, 1689° / 68°0.06
Morning73°feels 75°
Afternoon85°feels 89°
Evening82°feels 86°
Overnight72°feels 73°
89 °
Helena, Sunday, 16 August
Light rain. High 89°, low 68°.
Pressure30.09 inHg
Wind10.2 mph NE
Humidity56%
Visibility—
Dew point66°
Mon, 1784° / 68°0.06
Morning70°feels 71°
Afternoon74°feels 76°
Evening81°feels 84°
Overnight71°feels 72°
84 °
Helena, Monday, 17 August
Light rain. High 84°, low 68°.
Pressure30.06 inHg
Wind10.2 mph E
Humidity89%
Visibility—
Dew point69°
Tue, 18107° / 70°0
Morning79°feels 80°
Afternoon97°feels 100°
Evening94°feels 97°
Overnight82°feels 83°
107 °
Helena, Tuesday, 18 August
Overcast. High 107°, low 70°.
Pressure29.83 inHg
Wind12.3 mph SE
Humidity34%
Visibility—
Dew point61°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Helena, MO around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.