Model estimate for 7:00 AM MDT (no recent station report)

Plains, MT weather

Foggy and 28°−2°.

Forecasts differ

Now 28°−2°

Fog

Wind: Calm; Light through 7 PM
Dew point: 28°−2°; Dry · up to 37°3° by 11 AM (comfortable)
Humidity: 100%; Air 28°−2°, dew point 28°−2° · frost likely
UV index: 0Low; Moderate 12–4 PM · peak 3
Air quality: 17Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze until 10 AM (low 28°−2°)
Fog until 11 AM
Hard freeze tonight 1–10 AM (low 26°−3°)
Fog tonight 2–11 AM
Hard freeze tomorrow night from 1 AM (low 28°−2°)

This morningUp to 38°3° by 11 AM · Partly cloudy · freezing, low 28°−2°
This afternoonUp to 57°14° by 4 PM · Partly cloudy
TonightDown to 28°−2° by 5 AM · freezing, low 28°−2° · Mostly cloudy
Tomorrow morningUp to 37°3° by 11 AM · Mostly cloudy · freezing, low 26°−3°
Tomorrow afternoonUp to 54°12° by 5 PM · Mostly cloudy
Tomorrow nightDown to 28°−2° by 4 AM · freezing, low 28°−2° · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Fog	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	1 mph2 km/h from SSE, gusts 3 mph4 km/h	100%	23%	0
Sat 8a	Fog	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	100%	30%	0
Sat 9a	Fog	29°−2° (likely 29°−2° to 38°3°)	29°−2°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	100%	33%	0
Sat 10a	Fog	34°1° (likely 34°1° to 43°6°)	34°1°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	32%	1
Sat 11a	Sunny	38°3° (likely 38°3° to 46°8°)	38°3°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	97%	29%	2
Sat 12p	Sunny	43°6° (likely 43°6° to 50°10°)	43°6°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	79%	9%	3
Sat 1p	Sunny	50°10° (likely 48°9° to 53°12°)	50°10°	0%	1 mph2 km/h from SW, gusts 6 mph10 km/h	61%	0%	3
Sat 2p	Partly sunny	53°12° (likely 50°10° to 55°13°)	53°12°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	50%	24%	3
Sat 3p	Mostly sunny	56°13° (likely 51°11° to 57°14°)	56°13°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	44%	54%	3
Sat 4p	Partly sunny	57°14° (likely 52°11° to 58°14°)	57°14°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	42%	56%	2
Sat 5p	Partly sunny	56°13° (likely 52°11° to 59°15°)	56°13°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	42%	70%	1
Sat 6p	Partly sunny	53°12° (likely 49°9° to 55°13°)	53°12°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	50%	76%	1
Sat 7p	Cloudy	48°9° (likely 46°8° to 51°11°)	48°9°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	62%	80%	0
Sat 8p	Cloudy	42°6° (likely 42°6° to 48°9°)	42°6°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	70%	79%	0
Sat 9p	Cloudy	39°4° (likely 39°4° to 47°8°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	79%	79%	0
Sat 10p	Cloudy	37°3° (likely 37°3° to 46°8°)	37°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	84%	76%	0
Sat 11p	Partly cloudy	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	85%	52%	0
Sun 12a	Partly cloudy	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	44%	0
Sun 1a	Partly cloudy	32°0° (likely 32°0° to 43°6°)	32°0°	0%	0 mph0 km/h, gusts 3 mph4 km/h	92%	64%	0
Sun 2a	Fog	31°−1° (likely 31°−1° to 42°6°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	95%	53%	0
Sun 3a	Fog	30°−1° (likely 30°−1° to 41°5°)	30°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	98%	47%	0
Sun 4a	Fog	29°−2° (likely 29°−2° to 41°5°)	29°−2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	99%	62%	0
Sun 5a	Fog	28°−2° (likely 28°−2° to 40°4°)	28°−2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	70%	0
Sun 6a	Fog	28°−2° (likely 28°−2° to 39°4°)	28°−2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	99%	70%	0
Sun 7a	Fog	27°−3° (likely 27°−3° to 39°4°)	27°−3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	63%	0
Sun 8a	Fog	26°−3° (likely 26°−3° to 38°3°)	26°−3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	69%	0
Sun 9a	Fog	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	2 mph3 km/h from ENE, gusts 4 mph7 km/h	100%	68%	0
Sun 10a	Fog	33°1° (likely 33°1° to 43°6°)	33°1°	0%	2 mph3 km/h from ENE, gusts 4 mph7 km/h	100%	61%	1
Sun 11a	Mostly cloudy	37°3° (likely 37°3° to 48°9°)	37°3°	0%	2 mph3 km/h from ENE, gusts 6 mph10 km/h	93%	60%	2
Sun 12p	Mostly cloudy	41°5° (likely 41°5° to 53°12°)	39°4°	0%	3 mph5 km/h from ENE, gusts 8 mph13 km/h	80%	58%	2
Sun 1p	Mostly cloudy	46°8° (likely 46°8° to 57°14°)	45°7°	0%	3 mph5 km/h from ENE, gusts 10 mph16 km/h	67%	57%	3
Sun 2p	Mostly cloudy	51°11° (likely 50°10° to 60°16°)	51°11°	0%	3 mph5 km/h from ENE, gusts 10 mph15 km/h	57%	58%	3
Sun 3p	Mostly cloudy	53°12° (likely 51°11° to 62°17°)	53°12°	0%	3 mph5 km/h from ENE, gusts 10 mph16 km/h	52%	64%	3
Sun 4p	Mostly cloudy	53°12° (likely 51°11° to 63°17°)	53°12°	0%	3 mph5 km/h from ENE, gusts 11 mph18 km/h	49%	63%	2
Sun 5p	Mostly cloudy	54°12° (likely 50°10° to 62°17°)	54°12°	0%	3 mph5 km/h from ENE, gusts 11 mph17 km/h	48%	62%	1
Sun 6p	Cloudy	50°10° (likely 47°8° to 58°14°)	50°10°	0%	2 mph3 km/h from ENE, gusts 10 mph16 km/h	56%	64%	1
Sun 7p	Cloudy	46°8° (likely 46°8° to 53°12°)	46°8°	0%	2 mph3 km/h from ENE, gusts 7 mph11 km/h	69%	65%	0
Sun 8p	Cloudy	41°5° (likely 41°5° to 51°11°)	41°5°	0%	2 mph3 km/h from ENE, gusts 7 mph11 km/h	78%	64%	0
Sun 9p	Mostly cloudy	37°3° (likely 37°3° to 49°9°)	37°3°	0%	1 mph2 km/h from ENE, gusts 6 mph9 km/h	84%	69%	0
Sun 10p	Cloudy	35°2° (likely 35°2° to 48°9°)	35°2°	0%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	87%	75%	0
Sun 11p	Cloudy	34°1° (likely 34°1° to 46°8°)	34°1°	0%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	89%	79%	0
Mon 12a	Cloudy	34°1° (likely 34°1° to 44°7°)	34°1°	0%	1 mph2 km/h from ENE, gusts 4 mph7 km/h	90%	82%	0
Mon 1a	Cloudy	32°0° (likely 31°−1° to 41°5°)	32°0°	0%	1 mph2 km/h from ENE, gusts 4 mph6 km/h	94%	79%	0
Mon 2a	Mostly cloudy	30°−1° (likely 30°−1° to 41°5°)	30°−1°	0%	1 mph2 km/h from ENE, gusts 4 mph6 km/h	97%	79%	0
Mon 3a	Mostly cloudy	29°−2° (likely 29°−2° to 41°5°)	29°−2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	77%	0
Mon 4a	Mostly cloudy	28°−2° (likely 28°−2° to 40°4°)	28°−2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	82%	0
Mon 5a	Cloudy	28°−2° (likely 28°−2° to 39°4°)	28°−2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	87%	0
Mon 6a	Cloudy	28°−2° (likely 28°−2° to 39°4°)	28°−2°	5%	0 mph0 km/h, gusts 4 mph6 km/h	100%	85%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Fog. High 58°14°, low 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Fog, 28°−2°
  Dry
Official NWS forecast
Today: Areas of fog before 11am. Mostly sunny, with a high near 58. Southeast wind around 2 mph.
Tonight: Areas of fog after 2am. Partly cloudy, with a low around 26. East wind around 1 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–59°15°
Low, likely
26°−3°–38°3°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
3
Tomorrow, Oct 25. Fog. High 55°13°, low 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 28°−2°
  Dry
Official NWS forecast
Day: Areas of fog before 11am. Mostly cloudy, with a high near 55. Northeast wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 26. Northeast wind around 2 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–63°17°
Low, likely
26°−3°–38°3°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 57°14°, low 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  50% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  50% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 57. Northeast wind around 2 mph.
Night: A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–57°14°
Low, likely
29°−2°–38°3°
Wind
4 mph7 km/h, gusts 16 mph26 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 54°12°, low 29°−2°. Rain 0.09 in2.3 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 41°5°
  40% chance · 0.01 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°9°
  40% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 44°7°
  40% chance · 0.03 in0.9 mm
4. Overnight
  midnight–6 AM
  Cloudy, 40°5°
  30% chance · 0.04 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 54.
Night: A chance of rain. Mostly cloudy, with a low around 29.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–54°12°
Low, likely
29°−2°–43°6°
Wind
9 mph15 km/h, gusts 22 mph35 km/h
Wednesday, Oct 28. Rain. High 53°12°, low 25°−4°. Rain 0.12 in3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 40°5°
  30% chance · 0.1 in0.3 cm
2. Afternoon
  noon–6 PM
  Cloudy, 49°9°
  40% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 42°5°
  40% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  30% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 53.
Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 25.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–53°12°
Low, likely
25°−4°–38°3°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
2
Thursday, Oct 29. Snow. High 50°10°, low 23°−5°. Snow < 1 in< 2 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 47°8°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  30% chance
4. Overnight
  midnight–6 AM
  Snow, 39°4°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Mostly cloudy, with a high near 50.
Night: A chance of rain and snow. Mostly cloudy, with a low around 23.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–50°10°
Low, likely
23°−5°–37°3°
Wind
5 mph8 km/h, gusts 13 mph21 km/h
UV peak
2
Friday, Oct 30. Snow. High 52°11°, low 23°−5°. Snow 0–2 in0–5 cm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 37°3°
  20% chance · 0.3 in0.7 cm
2. Afternoon
  noon–6 PM
  Cloudy, 45°7°
  20% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 32°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow before 3pm, then a slight chance of rain. Partly sunny, with a high near 52.
Night: A slight chance of rain before 9pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 23.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–52°11°
Low, likely
23°−5°–37°3°
Wind
5 mph8 km/h, gusts 12 mph19 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 43°6°, low 29°−2°. Rain 0.04 in1 mm, 10% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 44°6°
  Dry
3. Evening
  6 PM–midnight
  Snow, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 32°0°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
40°4°–46°8°
Low, likely
27°−3°–31°−1°
Wind
11 mph18 km/h, gusts 17 mph27 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 45°7°, low 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 34°1°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
41°5°–54°12°
Low, likely
26°−3°–33°1°
Wind
4 mph7 km/h, gusts 20 mph32 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 46°8°, low 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–56°13°
Low, likely
23°−5°–35°2°
Wind
4 mph6 km/h, gusts 9 mph15 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 58°, low 26°.
Tomorrow
Dry, high 55°, low 26°, cooling off.
Monday
Dry, high 57°, low 29°.
Rest of week
Highs 43–54°; chance of precipitation on Tuesday, Wednesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (MSO) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Clark Fork River near Plains

2.5 mi

Below flood stage

Level: 4.6 ft
Flow: 10,200 cfs

Forecast peak 4.6 ft Wed 12 PM

Reading from Sat 5:45 AM · NWS gauge page

Clark Fork River at St. Regis

15 mi

Below flood stage

Level: 5.4 ft
Flow: 2,850 cfs

Forecast peak 5.4 ft Sun 12 PM

Reading from Sat 5:45 AM · NWS gauge page

St. Regis River near St. Regis

16 mi

Below flood stage

Level: 1.7 ft
Flow: 92 cfs

Forecast peak 1.8 ft Wed 12 AM

Reading from Sat 6 AM · NWS gauge page

Thompson River near Thompson Falls

19 mi

Below flood stage

Level: 2.8 ft
Flow: 140 cfs

Forecast peak 2.8 ft Sat 12 PM

Reading from Sat 5:45 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 24 min; Losing 3 min 12 s a day; shortest Dec 21, 1 h 57 min less
Golden hour: 5:51–6:54 PM; Morning 7:52–8:54 AM
Blue hour: 6:54–7:06 PM; Morning 7:40–7:52 AM; first light 7:40 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:26 AM · rises 5:36 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Plains. The highest point on the skyline is about 6,900 ft, 15 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.

Plains, MT weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Clark Fork River near Plains

Clark Fork River at St. Regis

St. Regis River near St. Regis

Thompson River near Thompson Falls

Sun & moon

Sun

Stars tonight? Unknown

Moon