10-day forecast for Tarkio, MT: 49° to 94°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Wednesday, August 12
85° · 0.73 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 50°0
Morning55°feels 52°
Afternoon87°feels 83°
Evening80°feels 80°
Overnight58°feels 55°
88 °
Tarkio, Monday, 10 August
Clear. High 88°, low 50°.
Pressure29.85 inHg
Wind3 mph W
Humidity14%
Visibility6.2 mi
Dew point31°
Tue, 1193° / 56°0
Morning64°feels 62°
Afternoon93°feels 89°
Evening82°feels 80°
Overnight59°feels 57°
93 °
Tarkio, Tuesday, 11 August
Clear. High 93°, low 56°.
Pressure29.94 inHg
Wind2.4 mph NE
Humidity17%
Visibility6.2 mi
Dew point35°
Wed, 1294° / 56°0
Morning62°feels 60°
Afternoon92°feels 88°
Evening82°feels 80°
Overnight61°feels 58°
94 °
Tarkio, Wednesday, 12 August
Overcast. High 94°, low 56°.
Pressure29.85 inHg
Wind2.8 mph NE
Humidity20%
Visibility6.2 mi
Dew point36°
Thu, 1392° / 55°0.06
Morning63°feels 62°
Afternoon84°feels 82°
Evening85°feels 82°
Overnight68°feels 66°
92 °
Tarkio, Thursday, 13 August
Light rain. High 92°, low 55°.
Pressure29.80 inHg
Wind8.8 mph W
Humidity30%
Visibility—
Dew point45°
Fri, 1489° / 56°0
Morning63°feels 62°
Afternoon82°feels 81°
Evening84°feels 81°
Overnight68°feels 67°
89 °
Tarkio, Friday, 14 August
Overcast. High 89°, low 56°.
Pressure29.91 inHg
Wind4 mph NE
Humidity37%
Visibility—
Dew point49°
Sat, 1591° / 54°0
Morning62°feels 61°
Afternoon83°feels 82°
Evening87°feels 83°
Overnight61°feels 61°
91 °
Tarkio, Saturday, 15 August
Light rain. High 91°, low 54°.
Pressure30.00 inHg
Wind4.9 mph W
Humidity35%
Visibility—
Dew point48°
Sun, 1675° / 57°0.15
Morning59°feels 59°
Afternoon66°feels 66°
Evening73°feels 73°
Overnight63°feels 63°
75 °
Tarkio, Sunday, 16 August
Light rain. High 75°, low 57°.
Pressure30.06 inHg
Wind3.1 mph S
Humidity87%
Visibility—
Dew point59°
Mon, 1785° / 59°0.73
Morning66°feels 66°
Afternoon77°feels 78°
Evening63°feels 63°
Overnight60°feels 60°
85 °
Tarkio, Monday, 17 August
Rain. High 85°, low 59°.
Pressure29.91 inHg
Wind6.4 mph W
Humidity43%
Visibility—
Dew point53°
Tue, 1876° / 53°0.02
Morning59°feels 58°
Afternoon72°feels 71°
Evening71°feels 70°
Overnight60°feels 58°
76 °
Tarkio, Tuesday, 18 August
Light rain. High 76°, low 53°.
Pressure29.94 inHg
Wind9.7 mph W
Humidity41%
Visibility—
Dew point44°
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 Tarkio, MT 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.