Skip to forecast
Search a place

Observed 7:45 PM MDT at KMLP

Thompson Falls, MT weather

Mostly cloudy and 34°1°.

Today: low 33°1° (likely 28°−2° to 38°3°), high 53°12° (likely 51°11° to 55°13°).

Mostly agree

Now 34°1°

Mostly cloudy

Wind
Calm
Light through 8 AM
Dew point
30°−1°
Dry, static shocks likely
UV tomorrow
3Moderate
Moderate 1–4 PM · peak 3
Air quality
33Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.13 inHg1020 hPa
Rising slowly · +0.02 inHg+0.7 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Fog tonight 1–6 AM
  • Above 40°4° tomorrow by 10 AM
  • High 54°12° tomorrow at 2 PM
  • Hard freeze tomorrow night 1–11 AM (low 24°−4°)
  • Rain Monday night from 6 PM (60%)
  1. TonightDown to 35°2° by 2 AM · Partly cloudy
  2. Tomorrow morningUp to 46°8° by 11 AM · Mostly cloudy
  3. Tomorrow afternoonUp to 54°12° by 2 PM · Mostly cloudy
  4. Tomorrow nightDown to 27°−3° by 4 AM · freezing, low 27°−3° · Mostly cloudy
  5. Monday morningUp to 38°3° by 11 AM · freezing, low 24°−4° · Partly cloudy
  6. Monday afternoonUp to 54°12° by 3 PM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 8pMostly cloudy43°6° (likely 40°4° to 47°8°)43°6°0%0 mph0 km/h, gusts 3 mph5 km/h63%67%0
Sat 9pMostly cloudy43°6° (likely 39°4° to 45°7°)43°6°0%0 mph0 km/h, gusts 3 mph5 km/h66%30%0
Sat 10pMostly clear41°5° (likely 38°3° to 44°7°)41°5°0%1 mph2 km/h from E, gusts 3 mph5 km/h72%35%0
Sat 11pPartly cloudy38°3° (likely 36°2° to 44°7°)38°3°0%1 mph2 km/h from E, gusts 3 mph4 km/h85%66%0
Sun 12aPartly cloudy38°3° (likely 35°2° to 44°7°)38°3°0%1 mph2 km/h from E, gusts 3 mph5 km/h89%67%0
Sun 1aFog36°2° (likely 34°1° to 44°7°)36°2°0%1 mph2 km/h from E, gusts 3 mph5 km/h95%68%0
Sun 2aFog35°2° (likely 34°1° to 44°7°)35°2°0%1 mph2 km/h from E, gusts 3 mph5 km/h96%66%0
Sun 3aFog35°2° (likely 33°1° to 44°7°)35°2°0%1 mph2 km/h from E, gusts 4 mph6 km/h97%62%0
Sun 4aFog35°2° (likely 33°1° to 44°7°)35°2°0%1 mph2 km/h from E, gusts 3 mph5 km/h100%65%0
Sun 5aFog35°2° (likely 33°1° to 44°7°)35°2°0%1 mph2 km/h from E, gusts 3 mph5 km/h100%73%0
Sun 6aCloudy35°2° (likely 33°1° to 44°7°)35°2°0%2 mph3 km/h from E, gusts 3 mph5 km/h100%75%0
Sun 7aCloudy35°2° (likely 33°1° to 44°7°)35°2°0%2 mph3 km/h from E, gusts 4 mph6 km/h100%76%0
Sun 8aCloudy34°1° (likely 33°1° to 44°7°)31°−1°0%3 mph5 km/h from E, gusts 3 mph5 km/h100%76%0
Sun 9aMostly cloudy34°1° (likely 34°1° to 43°6°)31°−1°0%3 mph5 km/h from E, gusts 3 mph5 km/h100%69%0
Sun 10aMostly cloudy42°6° (likely 38°3° to 45°7°)40°4°0%3 mph5 km/h from E, gusts 3 mph5 km/h95%57%1
Sun 11aMostly cloudy46°8° (likely 44°7° to 51°11°)44°7°0%5 mph8 km/h from E, gusts 8 mph13 km/h78%55%1
Sun 12pPartly sunny50°10° (likely 47°8° to 56°13°)48°9°0%5 mph8 km/h from E, gusts 15 mph24 km/h67%60%2
Sun 1pPartly sunny52°11° (likely 50°10° to 59°15°)52°11°0%6 mph10 km/h from E, gusts 16 mph26 km/h61%59%3
Sun 2pPartly sunny54°12° (likely 51°11° to 61°16°)54°12°0%6 mph10 km/h from E, gusts 18 mph28 km/h52%64%3
Sun 3pCloudy53°12° (likely 52°11° to 62°17°)53°12°0%6 mph10 km/h from E, gusts 18 mph28 km/h48%70%3
Sun 4pCloudy54°12° (likely 51°11° to 63°17°)54°12°0%6 mph10 km/h from E, gusts 17 mph28 km/h46%73%2
Sun 5pPartly sunny53°12° (likely 50°10° to 61°16°)53°12°0%5 mph8 km/h from E, gusts 17 mph27 km/h48%74%1
Sun 6pCloudy51°11° (likely 46°8° to 58°14°)51°11°0%3 mph5 km/h from E, gusts 16 mph26 km/h52%75%1
Sun 7pCloudy44°7° (likely 43°6° to 55°13°)42°6°0%3 mph5 km/h from E, gusts 14 mph22 km/h68%76%0
Sun 8pCloudy40°4° (likely 40°4° to 54°12°)38°3°0%3 mph5 km/h from E, gusts 12 mph19 km/h75%76%0
Sun 9pCloudy39°4° (likely 39°4° to 53°12°)36°2°0%5 mph8 km/h from E, gusts 10 mph17 km/h76%75%0
Sun 10pCloudy38°3° (likely 38°3° to 52°11°)34°1°0%5 mph8 km/h from E, gusts 9 mph14 km/h80%76%0
Sun 11pCloudy34°1° (likely 34°1° to 52°11°)30°−1°0%5 mph8 km/h from E, gusts 7 mph11 km/h93%80%0
Mon 12aCloudy33°1° (likely 33°1° to 51°11°)30°−1°0%3 mph5 km/h from ENE, gusts 8 mph12 km/h95%82%0
Mon 1aCloudy31°−1° (likely 31°−1° to 51°11°)28°−2°0%3 mph5 km/h from ENE, gusts 7 mph12 km/h100%82%0
Mon 2aCloudy30°−1° (likely 30°−1° to 51°11°)26°−3°0%3 mph5 km/h from ENE, gusts 6 mph10 km/h100%80%0
Mon 3aCloudy29°−2° (likely 29°−2° to 51°11°)29°−2°0%2 mph3 km/h from E, gusts 6 mph9 km/h100%80%0
Mon 4aCloudy27°−3° (likely 27°−3° to 50°10°)27°−3°0%2 mph3 km/h from E, gusts 5 mph8 km/h100%80%0
Mon 5aCloudy27°−3° (likely 27°−3° to 50°10°)27°−3°0%2 mph3 km/h from E, gusts 5 mph8 km/h100%41%0
Mon 6aCloudy27°−3° (likely 27°−3° to 50°10°)27°−3°0%2 mph3 km/h from E, gusts 6 mph10 km/h100%41%0
Mon 7aCloudy25°−4° (likely 25°−4° to 50°10°)25°−4°0%2 mph3 km/h from E, gusts 6 mph10 km/h100%42%0
Mon 8aCloudy24°−4° (likely 24°−4° to 49°9°)24°−4°0%2 mph3 km/h from E, gusts 5 mph7 km/h100%44%0
Mon 9aCloudy26°−3° (likely 26°−3° to 50°10°)22°−6°0%3 mph5 km/h from E, gusts 7 mph11 km/h100%72%0
Mon 10aCloudy31°−1° (likely 31°−1° to 51°11°)28°−2°0%3 mph5 km/h from E, gusts 8 mph13 km/h91%84%0
Mon 11aMostly cloudy38°3° (likely 38°3° to 55°13°)36°2°0%3 mph5 km/h from E, gusts 9 mph15 km/h78%62%1
Mon 12pPartly sunny45°7° (likely 45°7° to 61°16°)45°7°5%2 mph3 km/h from E, gusts 9 mph14 km/h66%61%2
Mon 1pCloudy49°9° (likely 49°9° to 59°15°)49°9°5%2 mph3 km/h from E, gusts 9 mph14 km/h58%91%3
Mon 2pCloudy53°12° (likely 51°11° to 60°16°)53°12°5%2 mph3 km/h from E, gusts 8 mph13 km/h53%89%3
Mon 3pCloudy54°12° (likely 52°11° to 60°16°)54°12°5%3 mph5 km/h from ESE, gusts 8 mph13 km/h50%87%3
Mon 4pCloudy54°12° (likely 52°11° to 57°14°)54°12°5%3 mph5 km/h from ESE, gusts 8 mph12 km/h49%82%2
Mon 5pCloudy53°12° (likely 50°10° to 54°12°)53°12°5%3 mph5 km/h from ESE, gusts 11 mph18 km/h52%80%1
Mon 6pPartly sunny50°10° (likely 48°9° to 51°11°)50°10°60%, 0.01 in0.3 mm2 mph3 km/h from N, gusts 8 mph13 km/h57%70%0
Mon 7pRain47°8° (likely 46°8° to 48°9°)47°8°60%, 0.01 in0.3 mm2 mph3 km/h from N, gusts 5 mph7 km/h65%73%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Fog. High 53°12°, low 33°1°. Typical 53°12° / 34°1°. Dry. Mostly agree.
    1. Evening

      6 PM–midnight

      Mostly clear, 43°6°

      Dry

    2. Overnight

      midnight–6 AM

      Fog, 35°2°

      Dry

    Official NWS forecast

    Tonight: Patchy fog after 1am. Mostly cloudy, with a low around 33. East northeast wind around 1 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    51°11°–55°13°
    Low, likely
    28°−2°–38°3°
    Typical high / low
    53°12° / 34°1°
    Wind
    8 mph12 km/h
    UV peak
    3
  2. Tomorrow, Oct 25. Mostly cloudy. High 54°12°, low 24°−4°. Typical 52°11° / 34°1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly cloudy, 34°1°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 54°12°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 40°4°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 27°−3°

      Dry

    Official NWS forecast

    Day: Partly sunny, with a high near 54. East wind 2 to 6 mph.

    Night: Mostly cloudy, with a low around 24. East northeast wind around 5 mph.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    52°11°–63°17°
    Low, likely
    24°−4°–43°6°
    Typical high / low
    52°11° / 34°1°
    Wind
    11 mph18 km/h, gusts 24 mph38 km/h
    UV peak
    3
  3. Monday, Oct 26. Rain. High 55°13°, low 29°−2°. Typical 52°11° / 33°1°. Rain 0.06 in1.5 mm, 5% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 24°−4°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 54°12°

      Dry

    3. Evening

      6 PM–midnight

      Rain, 45°7°

      60% chance · 0.07 in1.9 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 41°5°

      60% chance · 0.2 in0.4 cm

    Official NWS forecast

    Day: Partly sunny, with a high near 55. East wind around 3 mph.

    Night: Rain likely. Mostly cloudy, with a low around 29. West southwest wind around 2 mph. Chance of precipitation is 70%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    49°9°–58°14°
    Low, likely
    29°−2°–42°6°
    Typical high / low
    52°11° / 33°1°
    Wind
    9 mph14 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Snow. High 48°9°, low 28°−2°. Typical 51°11° / 33°1°. Snow 0–2 in0–5 cm, 80% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 41°5°

      70% chance · 0.04 in0.9 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 47°8°

      70% chance · 0.01 in0.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 43°6°

      70% chance · 0.03 in0.7 mm

    4. Overnight

      midnight–6 AM

      Fog, 40°5°

      50% chance · 0.03 in0.8 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain likely before 9am, then rain and snow. Cloudy, with a high near 48. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

    Night: A chance of rain. Mostly cloudy, with a low around 28.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    42°6°–49°9°
    Low, likely
    28°−2°–41°5°
    Typical high / low
    51°11° / 33°1°
    Wind
    8 mph12 km/h, gusts 22 mph35 km/h
  5. Wednesday, Oct 28. Snow. High 49°9°, low 24°−4°. Typical 50°10° / 33°1°. Snow < 1 in< 2 cm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 40°4°

      50% chance · 0.04 in0.9 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 46°8°

      60% chance · 0.05 in1.2 mm

    3. Evening

      6 PM–midnight

      Drizzle, 40°5°

      50% chance · 0.03 in0.8 mm

    4. Overnight

      midnight–6 AM

      Fog, 38°3°

      40% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 49.

    Night: A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 24.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    42°6°–49°9°
    Low, likely
    24°−4°–39°4°
    Typical high / low
    50°10° / 33°1°
    Wind
    5 mph9 km/h, gusts 21 mph33 km/h
    UV peak
    2
  6. Thursday, Oct 29. Snow. High 48°9°, low 23°−5°. Typical 50°10° / 33°1°. Snow 0–1 in0–3 cm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Snow, 36°2°

      40% chance · 0.1 in0.3 cm

    2. Afternoon

      noon–6 PM

      Snow, 45°7°

      40% chance · 0.05 in1.1 mm

    3. Evening

      6 PM–midnight

      Drizzle, 37°3°

      40% chance · 0.1 in0.3 cm

    4. Overnight

      midnight–6 AM

      Cloudy, 33°0°

      40% chance · 0.1 in0.4 cm

    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 48.

    Night: A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 23.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    42°6°–48°9°
    Low, likely
    23°−5°–34°1°
    Typical high / low
    50°10° / 33°1°
    Wind
    3 mph5 km/h, gusts 13 mph21 km/h
    UV peak
    2
  7. Friday, Oct 30. Snow. High 48°9°, low 20°−7°. Typical 49°9° / 32°0°. Snow 0–1 in0–3 cm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 34°1°

      40% chance · 0.03 in0.8 mm

    2. Afternoon

      noon–6 PM

      Mostly sunny, 43°6°

      40% chance · 0.02 in0.6 mm

    3. Evening

      6 PM–midnight

      Cloudy, 38°3°

      30% chance

    4. Overnight

      midnight–6 AM

      Mostly clear, 34°1°

      Dry

    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 48. Little or no snow accumulation expected.

    Night: Mostly cloudy, with a low around 20.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    39°4°–48°9°
    Low, likely
    20°−7°–34°1°
    Typical high / low
    49°9° / 32°0°
    Wind
    5 mph8 km/h, gusts 17 mph27 km/h
    UV peak
    3
  8. Saturday, Oct 31. Mostly cloudy. High 49°9°, low 31°−1°. Typical 48°9° / 32°0°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 34°1°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 42°6°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 37°3°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 33°0°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 49.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    39°4°–49°9°
    Low, likely
    27°−3°–36°2°
    Typical high / low
    48°9° / 32°0°
    Wind
    5 mph8 km/h, gusts 15 mph24 km/h
    UV peak
    2
  9. Sunday, Nov 1. Cloudy. High 45°7°, low 31°−1°. Typical 48°9° / 32°0°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 34°1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 46°8°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 39°4°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 37°3°

      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°–49°9°
    Low, likely
    27°−3°–35°2°
    Typical high / low
    48°9° / 32°0°
    Wind
    5 mph8 km/h, gusts 20 mph31 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 46°8°, low 33°1°. Typical 47°8° / 32°0°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 47°8°

      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
    28°−2°–39°4°
    Typical high / low
    47°8° / 32°0°
    Wind
    5 mph9 km/h, gusts 32 mph52 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 53°, low 33°.

  2. Tomorrow

    Dry, high 54°, low 24°.

  3. Monday

    Dry, high 55°, low 29°.

  4. Rest of week

    Highs 45–49°; chance of precipitation on Tuesday, Wednesday, Thursday, Friday.

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

Prospect Creek at Thompson Falls

1.1 mi
Below flood stage
Level
0.4 ft
Flow
34 cfs

Forecast peak 0.3 ft Sun 12 AM

Reading from Sat 6:15 PM · NWS gauge page

Thompson River near Thompson Falls

5.3 mi
Below flood stage
Level
2.8 ft
Flow
140 cfs

Forecast peak 2.8 ft Thu 6 AM

Reading from Sat 6:45 PM · NWS gauge page

St. Regis River near St. Regis

23 mi
Below flood stage
Level
1.7 ft
Flow
92 cfs

Forecast peak 1.8 ft Thu 12 AM

Reading from Sat 6 PM · NWS gauge page

Clark Fork River at St. Regis

24 mi
Below flood stage
Level
5.5 ft
Flow
3,000 cfs

Forecast peak 6.0 ft Mon 12 PM

Reading from Sat 6:45 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 69% less heating than a typical week.

This week 49Typical 161

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
34
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Thompson Falls Ph · official normals 1991–2020 · records 1956–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Normal high / low
53°12° / 34°1°
Forecast high / low
53°12° / 33°1°
Record high
77°25° in 2007
Record low
18°−8° in 2002

Last 7 days vs normal

On average 7°4° warmer than normal (daily mean temperature).

  1. +2°+1°MonOct 19
  2. +5°+3°TueOct 20
  3. +6°+3°WedOct 21
  4. +7°+4°ThuOct 22
  5. +14°+8°FriOct 23
  6. —SatOct 24
  7. —SunOct 25

Thompson Falls weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 8:13 AM, sunset 6:36 PM.

Daylight
10 h 23 min
Losing 3 min 12 s a day; shortest Dec 21, 1 h 57 min less
Golden hour
5:53–6:56 PM
Morning 7:54–8:57 AM
Blue hour
6:56–7:08 PM
Morning 7:42–7:54 AM; first light 7:42 AM

Stars tonight? Poor

Clouds most of the night (about 62% cover).

Moon

Waxing gibbous

98% lit · growing

Today
sets 6:28 AM · rises 5:38 PM
Full moon
Oct 25
New moon
Nov 9
Looking northeast from Thompson Falls. The highest point on the skyline is about 6,800 ft, 4 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.