Flathead River near Polson
13 mi- Level
- 5.5 ft
- Flow
- 7,250 cfs
Forecast peak 5.5 ft Sun 12 AM
Reading from Sat 6:50 PM · NWS gauge page
Observed 7:55 PM MDT at KGPI
Dayton, MT weather
Partly cloudy and 40°4°, 51°28° colder than a typical Oct 24.
Today: low 36°2°, high 0°−18°.
Now 40°4°
Partly cloudy
- Wind
- Calm
- Up to 5 mph8 km/h through 8 AM
- Dew point
- 35°2°
- Comfortable
Next 48 hours
Good hours for
TonightDown to 36°2° by 5 AM
Tomorrow morningUp to 46°8° by 11 AM
Tomorrow afternoonUp to 50°10° by 5 PM
Tomorrow nightDown to 32°0° by 4 AM · freezing, low 32°0°
Monday morningUp to 41°5° by 11 AM · freezing, low 30°−1°
Monday afternoonUp to 50°10° by 4 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 8p | Mostly cloudy | 42°6° (likely 42°6° to 42°6°) | 42°6° | 0% | 0 mph0 km/h | 82% | — | — |
| Sat 9p | Mostly cloudy | 41°5° (likely 41°5° to 41°5°) | 41°5° | 0% | 0 mph0 km/h | 80% | — | — |
| Sat 10p | Mostly cloudy | 40°4° (likely 40°4° to 41°5°) | 40°4° | 0% | 0 mph0 km/h | 82% | — | — |
| Sat 11p | Mostly cloudy | 41°5° (likely 41°5° to 41°5°) | 41°5° | 0% | 0 mph0 km/h | 84% | — | — |
| Sun 12a | Mostly cloudy | 40°4° (likely 40°4° to 41°5°) | 40°4° | 0% | 0 mph0 km/h | 88% | — | — |
| Sun 1a | Partly cloudy | 40°4° (likely 40°4° to 40°4°) | 40°4° | 0% | 1 mph2 km/h from N | 87% | — | — |
| Sun 2a | Partly cloudy | 39°4° (likely 39°4° to 39°4°) | 39°4° | 0% | 1 mph2 km/h from N | 90% | — | — |
| Sun 3a | Partly cloudy | 39°4° (likely 38°3° to 39°4°) | 39°4° | 0% | 2 mph3 km/h from NNW | 93% | — | — |
| Sun 4a | Mostly cloudy | 37°3° (likely 37°3° to 37°3°) | 34°1° | 0% | 3 mph5 km/h from NNW | 96% | — | — |
| Sun 5a | Partly cloudy | 36°2° (likely 36°2° to 37°3°) | 32°0° | 0% | 5 mph8 km/h from N | 98% | — | — |
| Sun 6a | Partly cloudy | 36°2° (likely 36°2° to 36°2°) | 32°0° | 0% | 5 mph8 km/h from N | 98% | — | — |
| Sun 7a | Mostly cloudy | 36°2° (likely 35°2° to 36°2°) | 32°0° | 0% | 5 mph8 km/h from N | 95% | — | — |
| Sun 8a | Mostly cloudy | 36°2° (likely 35°2° to 36°2°) | 32°0° | 0% | 5 mph8 km/h from N | 94% | — | — |
| Sun 9a | Mostly cloudy | 37°3° (likely 36°2° to 37°3°) | 33°1° | 0% | 5 mph8 km/h from N | 88% | — | — |
| Sun 10a | Mostly cloudy | 45°7° (likely 38°3° to 45°7°) | 43°6° | 0% | 5 mph8 km/h from N | 71% | — | — |
| Sun 11a | Partly sunny | 46°8° (likely 40°4° to 46°8°) | 45°7° | 0% | 3 mph5 km/h from N | 70% | — | — |
| Sun 12p | Partly sunny | 46°8° (likely 42°6° to 46°8°) | 45°7° | 0% | 3 mph5 km/h from NNE | 67% | — | — |
| Sun 1p | Mostly cloudy | 47°8° (likely 44°7° to 47°8°) | 46°8° | 0% | 3 mph5 km/h from NNE | 64% | — | — |
| Sun 2p | Mostly cloudy | 49°9° (likely 46°8° to 49°9°) | 47°8° | 0% | 5 mph8 km/h from NNE | 58% | — | — |
| Sun 3p | Mostly cloudy | 48°9° (likely 47°8° to 48°9°) | 47°8° | 0% | 3 mph5 km/h from NE | 58% | — | — |
| Sun 4p | Mostly cloudy | 48°9° (likely 47°8° to 48°9°) | 47°8° | 0% | 3 mph5 km/h from NNE | 56% | — | — |
| Sun 5p | Partly sunny | 50°10° (likely 47°8° to 50°10°) | 49°9° | 0% | 3 mph5 km/h from NNE | 53% | — | — |
| Sun 6p | Mostly cloudy | 49°9° (likely 44°7° to 49°9°) | 49°9° | 0% | 2 mph3 km/h from N | 56% | — | — |
| Sun 7p | Mostly cloudy | 44°7° (likely 41°5° to 44°7°) | 44°7° | 0% | 2 mph3 km/h from N | 70% | — | — |
| Sun 8p | Mostly cloudy | 40°4° (likely 39°4° to 40°4°) | 40°4° | 0% | 2 mph3 km/h from N | 82% | — | — |
| Sun 9p | Mostly cloudy | 37°3° (likely 37°3° to 38°3°) | 32°0° | 0% | 6 mph10 km/h from N | 82% | — | — |
| Sun 10p | Mostly cloudy | 36°2° (likely 36°2° to 37°3°) | 31°−1° | 0% | 6 mph10 km/h from N | 84% | — | — |
| Sun 11p | Mostly cloudy | 36°2° (likely 36°2° to 36°2°) | 31°−1° | 0% | 6 mph10 km/h from N | 83% | — | — |
| Mon 12a | Mostly cloudy | 35°2° (likely 35°2° to 36°2°) | 31°−1° | 0% | 5 mph8 km/h from N | 86% | — | — |
| Mon 1a | Mostly cloudy | 35°2° (likely 35°2° to 35°2°) | 31°−1° | 0% | 5 mph8 km/h from N | 83% | — | — |
| Mon 2a | Mostly cloudy | 34°1° (likely 34°1° to 35°2°) | 30°−1° | 0% | 5 mph8 km/h from N | 86% | — | — |
| Mon 3a | Mostly cloudy | 33°1° (likely 33°1° to 35°2°) | 33°1° | 0% | 1 mph2 km/h from N | 87% | — | — |
| Mon 4a | Mostly cloudy | 32°0° (likely 32°0° to 34°1°) | 32°0° | 0% | 1 mph2 km/h from N | 89% | — | — |
| Mon 5a | Mostly cloudy | 32°0° (likely 32°0° to 34°1°) | 32°0° | 0% | 1 mph2 km/h from N | 93% | — | — |
| Mon 6a | Cloudy | 32°0° (likely 32°0° to 34°1°) | 32°0° | 0% | 1 mph2 km/h from N | 93% | — | — |
| Mon 7a | Cloudy | 30°−1° (likely 30°−1° to 34°1°) | 30°−1° | 0% | 1 mph2 km/h from N | 89% | — | — |
| Mon 8a | Cloudy | 31°−1° (likely 31°−1° to 34°1°) | 31°−1° | 0% | 1 mph2 km/h from N | 87% | — | — |
| Mon 9a | Mostly cloudy | 33°1° (likely 33°1° to 35°2°) | 33°1° | 0% | 1 mph2 km/h from N | 85% | — | — |
| Mon 10a | Mostly cloudy | 37°3° (likely 37°3° to 37°3°) | 37°3° | 0% | 1 mph2 km/h from N | 80% | — | — |
| Mon 11a | Mostly cloudy | 41°5° (likely 39°4° to 41°5°) | 41°5° | 0% | 1 mph2 km/h from N | 73% | — | — |
| Mon 12p | Mostly cloudy | 45°7° (likely 40°4° to 45°7°) | 45°7° | 5% | 0 mph0 km/h | 68% | — | — |
| Mon 1p | Mostly cloudy | 47°8° (likely 47°8° to 47°8°) | 47°8° | 5% | 0 mph0 km/h | 65% | — | — |
| Mon 2p | Mostly cloudy | 49°9° (likely 49°9° to 49°9°) | 49°9° | 5% | 0 mph0 km/h | 64% | — | — |
| Mon 3p | Partly sunny | 49°9° (likely 49°9° to 49°9°) | 49°9° | 5% | 1 mph2 km/h from NNE | 64% | — | — |
| Mon 4p | Partly sunny | 50°10° (likely 50°10° to 50°10°) | 50°10° | 5% | 1 mph2 km/h from NNE | 63% | — | — |
| Mon 5p | Partly sunny | 49°9° (likely 49°9° to 49°9°) | 49°9° | 5% | 1 mph2 km/h from NNE | 64% | — | — |
| Mon 6p | Rain | 48°9° (likely 48°9° to 48°9°) | 48°9° | 50%, 0.01 in0.3 mm | 0 mph0 km/h | 67% | — | — |
| Mon 7p | Rain | 45°7° (likely 45°7° to 45°7°) | 45°7° | 50%, 0.01 in0.3 mm | 0 mph0 km/h | 75% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Mostly cloudy. High 0°−18°, low 36°2°. Typical 51°11° / 36°2°. Dry. One forecast only.
Evening
6 PM–midnight
Mostly cloudy, 42°6°Dry
Overnight
midnight–6 AM
Partly cloudy, 36°2°Dry
Official NWS forecast
Tonight: Mostly cloudy, with a low around 36. North wind 0 to 5 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 0°−18°
- Low, likely
- 36°2°
- Typical high / low
- 51°11° / 36°2°
- Wind
- —
Tomorrow, Oct 25. Mostly cloudy. High 50°10°, low 30°−1°. Typical 50°10° / 36°2°. Dry. One forecast only.
Morning
6 AM–noon
Mostly cloudy, 36°2°Dry
Afternoon
noon–6 PM
Mostly cloudy, 50°10°Dry
Evening
6 PM–midnight
Mostly cloudy, 40°4°Dry
Overnight
midnight–6 AM
Mostly cloudy, 32°0°Dry
Official NWS forecast
Day: Partly sunny, with a high near 50. North northeast wind around 5 mph.
Night: Mostly cloudy, with a low around 30. North wind 1 to 6 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 47°8°–50°10°
- Low, likely
- 30°−1°–35°2°
- Typical high / low
- 50°10° / 36°2°
- Wind
- 6 mph10 km/h
Monday, Oct 26. Mostly cloudy. High 50°10°, low 33°1°. Typical 50°10° / 36°2°. Dry. One forecast only.
Morning
6 AM–noon
Mostly cloudy, 31°−1°Dry
Afternoon
noon–6 PM
Partly sunny, 50°10°Dry
Evening
6 PM–midnight
Rain, 45°7°50% chance · 0.02 in0.5 mm
Official NWS forecast
Day: Partly sunny, with a high near 50. North wind around 1 mph.
Night: Rain likely. Mostly cloudy, with a low around 33. Southwest wind around 1 mph. Chance of precipitation is 60%.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 45°7°–50°10°
- Low, likely
- 33°1°–34°1°
- Typical high / low
- 50°10° / 36°2°
- Wind
- 5 mph8 km/h
Tuesday, Oct 27. Rain. High 47°8°, low 33°1°. Typical 49°9° / 35°2°. Rain 0.23 in5.8 mm, 70% chance. One forecast only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 33.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 42°6°–47°8°
- Low, likely
- 33°1°–36°2°
- Typical high / low
- 49°9° / 35°2°
- Wind
- 8 mph14 km/h
Wednesday, Oct 28. Rain. High 47°8°, low 30°−1°. Typical 49°9° / 35°2°. Rain 0.21 in5.3 mm, 30% chance. One forecast only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 47.
Night: A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 30.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 40°4°–47°8°
- Low, likely
- 30°−1°–33°1°
- Typical high / low
- 49°9° / 35°2°
- Wind
- 8 mph12 km/h
Thursday, Oct 29. Snow. High 45°7°, low 28°−2°. Typical 48°9° / 35°2°. Snow 0.08 in2 mm, 40% chance. One forecast only.
Official NWS forecast
Day: A chance of rain and snow. Partly sunny, with a high near 45.
Night: A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 28.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 40°4°–45°7°
- Low, likely
- 28°−2°–32°0°
- Typical high / low
- 48°9° / 35°2°
- Wind
- 4 mph6 km/h
Friday, Oct 30. Snow. High 44°7°, low 27°−3°. Typical 48°9° / 35°2°. Snow 0.05 in1.3 mm, 30% chance. One forecast only.
Official NWS forecast
Day: A chance of rain and snow. Mostly cloudy, with a high near 44.
Night: Mostly cloudy, with a low around 27.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 40°4°–44°7°
- Low, likely
- 27°−3°–31°−1°
- Typical high / low
- 48°9° / 35°2°
- Wind
- 4 mph6 km/h
Saturday, Oct 31. Mostly cloudy. High 45°7°, low 30°−1°. Typical 48°9° / 34°1°. Dry. One forecast only.
Official NWS forecast
Day: Partly sunny, with a high near 45.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 39°4°–45°7°
- Low, likely
- 30°−1°
- Typical high / low
- 48°9° / 34°1°
- Wind
- 4 mph6 km/h
The outlook
Today
Dry, high 0°, low 36°.
Tomorrow
Dry, high 50°, low 30°, warming up.
Monday
Dry, high 50°, low 33°.
Rest of week
Highs 44–47°; chance of precipitation on Tuesday.
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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Swan River near Bigfork
18 mi- Level
- 2.3 ft
- Flow
- 437 cfs
Forecast peak 2.7 ft Sun 6 AM
Reading from Sat 7 PM · NWS gauge page
Stillwater River at Lawrence Park at Kalispell
24 mi- Level
- 2.8 ft
- Flow
- 83 cfs
Forecast peak 2.8 ft Sun 12 AM
Reading from Sat 7:45 PM · NWS gauge page
Flathead Lake at Polson
13 mi- Level
- 2892 ft
Reading from Sat 7:30 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 70% less heating than a typical week.
This week 48Typical 159
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 37
- 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 28 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 35°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?
Bigfork 13 S · official normals 1991–2020 · records 1938–2026
Oct 24, today vs a typical year
Today’s expected high is 51°28° colder than typical.
- Normal high / low
- 51°11° / 36°2°
- Forecast high / low
- 0°−18° / 36°2°
- Record high
- 72°22° in 1944
- Record low
- 21°−6° in 2020
Last 7 days vs normal
- —MonOct 19
- —TueOct 20
- —WedOct 21
- —ThuOct 22
- —FriOct 23
- —SatOct 24
- —SunOct 25
Dayton weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 8:09 AM, sunset 6:31 PM.
- Daylight
- 10 h 22 min
- Losing 3 min 17 s a day; shortest Dec 21, 1 h 59 min less
- Golden hour
- 5:48–6:51 PM
- Morning 7:50–8:53 AM
- Blue hour
- 6:51–7:03 PM
- Morning 7:38–7:50 AM; first light 7:38 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 6:24 AM · rises 5:33 PM
- Full moon
- Oct 25
- New moon
- Nov 9
