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As of 05:00 MDT

Weather in Rainbow, MT

40°Current weather

Rainbow, Wednesday, 21 October, 05:00

Clear. Feels like 38°. High 69°, low 37°.

Pressure30.09 inHg
Wind3.4 mph W
Humidity87%
Visibility6.2 mi
Dew point35°

10-day forecast for Rainbow, MT: 12° to 69°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

69°
Best day: Thursday, October 22
53° · 0.6 in
Worst day: Friday, October 23

Tap any day below to see morning, afternoon, evening and overnight.

Thu, 2269° / 40°0Clear
MorningPartly cloudy40°feels 37°
AfternoonClear67°feels 65°
EveningMostly clear57°feels 55°
OvernightMostly clear42°feels 38°
69 °Clear

Rainbow, Thursday, 22 October

Clear. High 69°, low 40°.

Pressure29.88 inHg
Wind2.6 mph SW
Humidity49%
Visibility6.2 mi
Dew point44°
Fri, 2353° / 35°0.6Snow
MorningOvercast48°feels 44°
AfternoonRain40°feels 33°
EveningLight rain37°feels 32°
OvernightOvercast51°feels 49°
53 °Snow

Rainbow, Friday, 23 October

Snow. High 53°, low 35°.

Pressure29.88 inHg
Wind17.4 mph NW
Humidity92%
Visibility2.3 mi
Dew point41°
Sat, 2443° / 27°0Clear
MorningClear26°feels 26°
AfternoonClear41°feels 38°
EveningMostly clear34°feels 30°
OvernightOvercast31°feels 27°
43 °Clear

Rainbow, Saturday, 24 October

Clear. High 43°, low 27°.

Pressure30.42 inHg
Wind2.4 mph E
Humidity75%
Visibility6.2 mi
Dew point27°
Sun, 2543° / 27°0Mostly clear
MorningMostly clear30°feels 30°
AfternoonMostly clear38°feels 37°
EveningMostly clear38°feels 36°
OvernightPartly cloudy29°feels 29°
43 °Mostly clear

Rainbow, Sunday, 25 October

Mostly clear. High 43°, low 27°.

Pressure30.45 inHg
Wind4.3 mph NE
Humidity77%
Visibility—
Dew point29°
Mon, 2645° / 29°0.09Snow
MorningSnow32°feels 32°
AfternoonSnow40°feels 39°
EveningSnow39°feels 36°
OvernightSnow35°feels 31°
45 °Snow

Rainbow, Monday, 26 October

Snow. High 45°, low 29°.

Pressure30.30 inHg
Wind6 mph N
Humidity72%
Visibility—
Dew point30°
Tue, 2732° / 16°0.17Snow
MorningSnow20°feels 14°
AfternoonSnow28°feels 23°
EveningSnow28°feels 21°
OvernightSnow23°feels 15°
32 °Snow

Rainbow, Tuesday, 27 October

Snow. High 32°, low 16°.

Pressure30.30 inHg
Wind8.3 mph W
Humidity90%
Visibility—
Dew point24°
Wed, 2833° / 17°0Partly cloudy
MorningPartly cloudy21°feels 12°
AfternoonPartly cloudy29°feels 24°
EveningPartly cloudy24°feels 19°
OvernightPartly cloudy19°feels 12°
33 °Partly cloudy

Rainbow, Wednesday, 28 October

Partly cloudy. High 33°, low 17°.

Pressure30.50 inHg
Wind9.9 mph SW
Humidity77%
Visibility—
Dew point22°
Thu, 2933° / 12°0Overcast
MorningOvercast18°feels 12°
AfternoonOvercast31°feels 31°
EveningOvercast28°feels 28°
OvernightOvercast28°feels 23°
33 °Overcast

Rainbow, Thursday, 29 October

Overcast. High 33°, low 12°.

Pressure30.27 inHg
Wind4.8 mph SW
Humidity84%
Visibility—
Dew point24°
Fri, 3038° / 21°0Clear
MorningClear26°feels 24°
AfternoonClear36°feels 31°
EveningClear36°feels 30°
OvernightClear33°feels 28°
38 °Clear

Rainbow, Friday, 30 October

Clear. High 38°, low 21°.

Pressure29.88 inHg
Wind8.9 mph SW
Humidity100%
Visibility—
Dew point34°

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 Rainbow, 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.