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Current weather in Thompson Falls is overcast clouds.

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Weather data for Thompson Falls is updated regularly with the latest available observations and forecasts.

Now · 3:20 PM

Thompson Falls Weather & Hourly Forecast

United States · Montana · 59873

53°F

Overcast

Feels like: 47°F

💧 Humidity 62% 🌡 Pressure 30.03 inHg 💨 Wind 7 mph 👁 Visibility 21.1 mi ☁ Clouds 100% ☀️ UV index 1.5 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Thompson Falls

Today

4:00 PM

Mostly cloudy

54° 💧 0.006 in 💨 7 mph H 59%30.06 inHg

7:00 PM

Mostly cloudy

52° 💧 0.002 in 💨 4 mph H 69%30.06 inHg

10:00 PM

Mostly cloudy night

46° 💧 None 💨 1 mph H 83%30.09 inHg

Tomorrow

1:00 AM

Partly cloudy night

42° 💧 None 💨 1 mph H 94%30.09 inHg

4:00 AM

Overcast night

40° 💧 None 💨 1 mph H 97%30.06 inHg

7:00 AM

Fog at night

37° 💧 None 💨 2 mph H 100%30.06 inHg

10:00 AM

Overcast

47° 💧 None 💨 2 mph H 85%30.06 inHg

1:00 PM

Overcast

57° 💧 0.000 in 💨 1 mph H 53%30.00 inHg

4:00 PM

Overcast

57° 💧 0.000 in 💨 2 mph H 51%29.97 inHg

7:00 PM

Partly cloudy

55° 💧 None 💨 1 mph H 67%29.97 inHg

10:00 PM

Mostly cloudy night

48° 💧 None 💨 1 mph H 79%30.03 inHg

Wednesday

1:00 AM

Overcast night

44° 💧 None 💨 1 mph H 90%30.06 inHg

4:00 AM

Mostly clear night

42° 💧 None 💨 1 mph H 96%30.09 inHg

7:00 AM

Mostly cloudy night

39° 💧 None 💨 1 mph H 98%30.15 inHg

10:00 AM

Mostly sunny

51° 💧 None 💨 2 mph H 78%30.21 inHg

1:00 PM

Sunny

62° 💧 None 💨 4 mph H 51%30.15 inHg

Today

4:00 PM

Mostly cloudy

54° 💧 0.002 in 💨 7 mph H 59%30.06 inHg

5:00 PM

Mostly cloudy

54° 💧 0.002 in 💨 6 mph H 60%30.06 inHg

6:00 PM

Mostly cloudy

53° 💧 0.002 in 💨 5 mph H 63%30.06 inHg

7:00 PM

Mostly cloudy

52° 💧 0.002 in 💨 4 mph H 69%30.06 inHg

8:00 PM

Mostly cloudy night

49° 💧 0.000 in 💨 2 mph H 78%30.06 inHg

9:00 PM

Mostly cloudy night

47° 💧 None 💨 1 mph H 80%30.09 inHg

10:00 PM

Mostly cloudy night

46° 💧 None 💨 1 mph H 83%30.09 inHg

11:00 PM

Partly cloudy night

45° 💧 None 💨 1 mph H 87%30.09 inHg

Tomorrow

12:00 AM

Partly cloudy night

43° 💧 None 💨 1 mph H 91%30.09 inHg

1:00 AM

Partly cloudy night

42° 💧 None 💨 1 mph H 94%30.09 inHg

2:00 AM

Partly cloudy night

41° 💧 None 💨 1 mph H 95%30.06 inHg

3:00 AM

Overcast night

40° 💧 None 💨 1 mph H 96%30.06 inHg

4:00 AM

Overcast night

40° 💧 None 💨 1 mph H 97%30.06 inHg

5:00 AM

Overcast night

39° 💧 None 💨 1 mph H 98%30.06 inHg

6:00 AM

Fog at night

37° 💧 None 💨 2 mph H 100%30.06 inHg

7:00 AM

Fog at night

37° 💧 None 💨 2 mph H 100%30.06 inHg

8:00 AM

Fog

39° 💧 None 💨 3 mph H 99%30.06 inHg

9:00 AM

Fog

42° 💧 None 💨 2 mph H 95%30.06 inHg

10:00 AM

Overcast

47° 💧 None 💨 2 mph H 85%30.06 inHg

11:00 AM

Overcast

52° 💧 None 💨 2 mph H 70%30.03 inHg

12:00 PM

Overcast

55° 💧 None 💨 1 mph H 60%30.00 inHg

1:00 PM

Overcast

57° 💧 None 💨 1 mph H 53%30.00 inHg

2:00 PM

Overcast

58° 💧 0.000 in 💨 1 mph H 49%29.97 inHg

3:00 PM

Overcast

58° 💧 0.000 in 💨 2 mph H 47%29.97 inHg

4:00 PM

Overcast

57° 💧 0.000 in 💨 2 mph H 51%29.97 inHg

5:00 PM

Overcast

57° 💧 None 💨 1 mph H 50%29.97 inHg

6:00 PM

Mostly cloudy

56° 💧 0.000 in 💨 1 mph H 60%29.97 inHg

7:00 PM

Partly cloudy

55° 💧 None 💨 1 mph H 67%29.97 inHg

8:00 PM

Mostly cloudy night

50° 💧 None 💨 1 mph H 70%29.97 inHg

9:00 PM

Mostly cloudy night

50° 💧 None 💨 1 mph H 74%30.00 inHg

10:00 PM

Mostly cloudy night

48° 💧 None 💨 1 mph H 79%30.03 inHg

11:00 PM

Mostly cloudy night

46° 💧 None 💨 1 mph H 84%30.03 inHg

Wednesday

12:00 AM

Mostly cloudy night

45° 💧 None 💨 1 mph H 87%30.03 inHg

1:00 AM

Overcast night

44° 💧 None 💨 1 mph H 90%30.06 inHg

2:00 AM

Mostly cloudy night

43° 💧 None 💨 1 mph H 92%30.06 inHg

3:00 AM

Mostly clear night

43° 💧 None 💨 1 mph H 95%30.09 inHg

4:00 AM

Mostly clear night

42° 💧 None 💨 1 mph H 96%30.09 inHg

5:00 AM

Mostly clear night

41° 💧 None 💨 1 mph H 98%30.09 inHg

6:00 AM

Mostly cloudy night

40° 💧 None 💨 1 mph H 98%30.12 inHg

7:00 AM

Mostly cloudy night

39° 💧 None 💨 1 mph H 98%30.15 inHg

8:00 AM

Mostly cloudy

40° 💧 None 💨 1 mph H 98%30.18 inHg

9:00 AM

Partly cloudy

46° 💧 None 💨 2 mph H 90%30.21 inHg

10:00 AM

Mostly sunny

51° 💧 None 💨 2 mph H 78%30.21 inHg

11:00 AM

Sunny

55° 💧 None 💨 3 mph H 65%30.18 inHg

12:00 PM

Sunny

59° 💧 None 💨 3 mph H 57%30.18 inHg

1:00 PM

Sunny

62° 💧 None 💨 4 mph H 51%30.15 inHg

2:00 PM

Sunny

64° 💧 None 💨 4 mph H 46%30.12 inHg

3:00 PM

Sunny

66° 💧 None 💨 4 mph H 43%30.09 inHg

4:00 PM

Sunny

66° 💧 None 💨 5 mph H 43%30.09 inHg

5:00 PM

Sunny

66° 💧 None 💨 4 mph H 43%30.06 inHg

6:00 PM

Sunny

65° 💧 None 💨 4 mph H 46%30.06 inHg

7:00 PM

Sunny

61° 💧 None 💨 2 mph H 61%30.06 inHg

8:00 PM

Clear night

55° 💧 None 💨 2 mph H 67%30.06 inHg

9:00 PM

Clear night

52° 💧 None 💨 2 mph H 75%30.09 inHg

10:00 PM

Clear night

49° 💧 None 💨 2 mph H 80%30.09 inHg

11:00 PM

Clear night

47° 💧 None 💨 2 mph H 83%30.12 inHg

Thursday

12:00 AM

Clear night

46° 💧 None 💨 2 mph H 86%30.09 inHg

1:00 AM

Clear night

45° 💧 None 💨 2 mph H 87%30.09 inHg

2:00 AM

Clear night

44° 💧 None 💨 2 mph H 88%30.09 inHg

3:00 AM

Clear night

43° 💧 None 💨 2 mph H 89%30.09 inHg

4:00 AM

Clear night

42° 💧 None 💨 2 mph H 90%30.09 inHg

5:00 AM

Clear night

41° 💧 None 💨 1 mph H 91%30.09 inHg

6:00 AM

Clear night

41° 💧 None 💨 1 mph H 92%30.09 inHg

9:00 AM

Sunny

49° 💧 None 💨 3 mph H 77%30.09 inHg

12:00 PM

Sunny

63° 💧 None 💨 3 mph H 51%30.03 inHg

3:00 PM

Partly cloudy

70° 💧 None 💨 2 mph H 41%29.94 inHg

6:00 PM

Overcast

68° 💧 None 💨 1 mph H 48%29.91 inHg

9:00 PM

Overcast night

56° 💧 None 💨 2 mph H 77%29.97 inHg

Friday

12:00 AM

Light rain

51° 💧 None 💨 4 mph H 96%30.03 inHg

3:00 AM

Light rain

50° 💧 None 💨 3 mph H 97%30.03 inHg

6:00 AM

Overcast night

49° 💧 None 💨 2 mph H 94%30.06 inHg

9:00 AM

Mostly sunny

50° 💧 None 💨 3 mph H 97%30.09 inHg

12:00 PM

Sunny

61° 💧 None 💨 6 mph H 55%30.09 inHg

3:00 PM

Sunny

68° 💧 None 💨 7 mph H 38%30.06 inHg

6:00 PM

Sunny

66° 💧 None 💨 6 mph H 43%30.06 inHg

9:00 PM

Clear night

53° 💧 None 💨 3 mph H 69%30.12 inHg

Saturday

12:00 AM

Clear night

49° 💧 None 💨 1 mph H 74%30.12 inHg

3:00 AM

Clear night

45° 💧 None 💨 1 mph H 82%30.15 inHg

6:00 AM

Clear night

42° 💧 None 💨 1 mph H 87%30.15 inHg

9:00 AM

Sunny

50° 💧 None 💨 3 mph H 76%30.15 inHg

12:00 PM

Sunny

66° 💧 None 💨 2 mph H 38%30.12 inHg

3:00 PM

Sunny

72° 💧 None 💨 2 mph H 25%30.03 inHg

6:00 PM

Sunny

71° 💧 None 💨 5 mph H 24%30.00 inHg

9:00 PM

Clear night

58° 💧 None 💨 1 mph H 44%30.03 inHg

Sunday

12:00 AM

Clear night

52° 💧 None 💨 0 mph H 52%30.03 inHg

3:00 AM

Clear night

48° 💧 None 💨 1 mph H 62%30.06 inHg

6:00 AM

Clear night

44° 💧 None 💨 1 mph H 68%30.06 inHg

12:00 PM

Sunny

70° 💧 None 💨 2 mph H 26%30.03 inHg

6:00 PM

Sunny

74° 💧 None 💨 3 mph H 28%29.94 inHg

Monday

12:00 AM

Clear night

54° 💧 None 💨 2 mph H 59%29.94 inHg

6:00 AM

Clear night

48° 💧 None 💨 2 mph H 70%29.91 inHg

12:00 PM

Mostly cloudy

72° 💧 None 💨 3 mph H 33%29.85 inHg

6:00 PM

Overcast

74° 💧 None 💨 2 mph H 35%29.71 inHg

Tuesday

12:00 AM

Partly cloudy night

54° 💧 None 💨 5 mph H 63%29.74 inHg

6:00 AM

Overcast night

48° 💧 None 💨 5 mph H 89%29.88 inHg

12:00 PM

Light rain

47° 💧 None 💨 5 mph H 95%29.94 inHg

6:00 PM

Mostly sunny

53° 💧 None 💨 7 mph H 48%29.91 inHg

Wednesday

12:00 AM

Mostly clear night

40° 💧 None 💨 3 mph H 78%30.00 inHg

6:00 AM

Clear night

34° 💧 None 💨 2 mph H 94%30.09 inHg

12:00 PM

Sunny

50° 💧 None 💨 7 mph H 44%30.12 inHg

6:00 PM

Sunny

53° 💧 None 💨 6 mph H 33%30.06 inHg

Thursday

12:00 AM

Overcast night

41° 💧 None 💨 1 mph H 63%30.12 inHg

6:00 AM

Clear night

37° 💧 None 💨 0 mph H 73%30.15 inHg

12:00 PM

Mostly cloudy

57° 💧 None 💨 6 mph H 30%30.15 inHg

6:00 PM

Partly cloudy

59° 💧 None 💨 6 mph H 30%30.12 inHg

Friday

12:00 AM

Mostly cloudy night

42° 💧 None 💨 1 mph H 65%30.18 inHg

6:00 AM

Partly cloudy night

37° 💧 None 💨 1 mph H 72%30.18 inHg

12:00 PM

Sunny

64° 💧 None 💨 3 mph H 29%30.12 inHg

6:00 PM

Sunny

66° 💧 None 💨 6 mph H 29%30.03 inHg

Saturday

12:00 AM

Clear night

45° 💧 None 💨 2 mph H 69%30.03 inHg

6:00 AM

Mostly clear night

40° 💧 None 💨 2 mph H 71%30.00 inHg

12:00 PM

Mostly sunny

66° 💧 None 💨 9 mph H 34%29.97 inHg

6:00 PM

Mostly cloudy

66° 💧 None 💨 6 mph H 43%29.88 inHg

Sunday

12:00 AM

Clear night

51° 💧 None 💨 3 mph H 64%29.85 inHg

6:00 AM

Mostly cloudy night

48° 💧 None 💨 2 mph H 73%29.83 inHg

12:00 PM

Mostly sunny

63° 💧 None 💨 9 mph H 45%29.77 inHg

6:00 PM

Light rain

57° 💧 None 💨 11 mph H 65%29.74 inHg

Monday

12:00 AM

Mostly clear night

46° 💧 None 💨 3 mph H 90%29.77 inHg

6:00 AM

Mostly clear night

42° 💧 None 💨 5 mph H 97%29.83 inHg

12:00 PM

Mostly cloudy

50° 💧 None 💨 9 mph H 56%29.88 inHg

6:00 PM

Mostly sunny

53° 💧 None 💨 6 mph H 42%29.85 inHg

Tuesday

12:00 AM

Mostly cloudy night

41° 💧 None 💨 2 mph H 71%29.88 inHg

6:00 AM

Overcast night

39° 💧 None 💨 3 mph H 79%29.85 inHg

In Thompson Falls and, more broadly, across the state of Montana: As the afternoon winds down, expect mostly cloudy skies with temperatures remaining cool, ranging from 45 to 49 degrees Fahrenheit. There is a high likelihood of rain, with potential accumulations around 0.06 inches, especially as conditions may become wet tonight. Winds will be moderate from the west, reaching up to 12 mph, with gusts possibly climbing to 24 mph. Be prepared for the possibility of rain throughout the evening, which could make outdoor conditions damp and breezy. Temperatures are unlikely to drop significantly tonight, maintaining the cool feel. Make sure to keep an umbrella handy if you're planning to be outside later in the evening.

15-Day Weather Outlook for Thompson Falls

TomorrowTomorrow

Partly cloudy 58°/37° 💧 None 💨 3 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 66°/39° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 70°/41° 💧 0.077 in 💨 3 mph

Friday, Sep 18Fri Sep 18

Light rain 68°/49° 💧 0.038 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Sunny 72°/42° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Sunny 74°/44° 💧 None 💨 3 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 74°/48° 💧 None 💨 3 mph

Tuesday, Sep 22Tue Sep 22

Light rain 54°/47° 💧 0.261 in 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 53°/34° 💧 None 💨 7 mph

Thursday, Sep 24Thu Sep 24

Overcast 59°/37° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 66°/37° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 66°/40° 💧 None 💨 9 mph

Sunday, Sep 27Sun Sep 27

Light rain 63°/48° 💧 0.036 in 💨 11 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 53°/42° 💧 0.043 in 💨 9 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 41°/39° 💧 None 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Thompson Falls

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Thompson Falls

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 0,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 69,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Thompson Falls

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 1,5Low 🙂Fair

Tomorrow UV 2,9Low 🙂Fair

Wednesday UV 4,8Moderate 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 6,0High 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 5,0Moderate —Unavailable

Hourly UV index today

4:00 PMUV 1,3 5:00 PMUV 1,0 6:00 PMUV 0,5 7:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Thompson Falls

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · THOMPSON FALLS, MONTANA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

60/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 9:42 PM–5:33 AM

☁ Cloud cover 52% Real hourly forecast for the best viewing hour.

☾ Moonlight 12% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 35° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min44%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Thompson Falls were last refreshed today at 3:19 PM. The current forecast period extends through 16/09/2026 at 1:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.