Marias River near Chester
8.8 mi- Level
- 3.4 ft
- Flow
- 537 cfs
Reading from Sat 9:15 AM · NWS gauge page
Model estimate for 11:00 AM MDT (no recent station report)
Riverview Colony, MT weather
Sunny and 36°2°, 14°8° colder than a typical Oct 24, freeze watch tonight, low 24°−4°.
Today: low 22°−6° (likely 22°−6° to 29°−2°), high 41°5° (likely 41°5° to 46°8°).
Now 36°2°
Sunny
- Wind
- 5 mph8 km/hgusts 12 mph19 km/h
- From the south. 58–6 mph10 km/h through 11 PM
- Dew point
- 30°−1°
- Dry, static shocks likely
- UV tomorrow
- 3Moderate
- Moderate 12–4 PM · peak 3
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonUp to 41°5° by 1 PM · Clear
TonightDown to 24°−4° by 5 AM · freezing, low 24°−4° · Partly cloudy
Tomorrow morningUp to 32°0° by 11 AM · freezing, low 22°−6° · Partly cloudy
Tomorrow afternoonUp to 40°4° by 4 PM · Mostly cloudy
Tomorrow nightDown to 24°−4° by 5 AM · freezing, low 24°−4° · Mostly cloudy
Monday morningUp to 31°−1° by 10 AM · freezing, low 24°−4° · Partly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11a | Sunny | 36°2° (likely 33°1° to 37°3°) | 36°2° | 0% | 5 mph8 km/h from S, gusts 12 mph19 km/h | 77% | 10% | 1 |
| Sat 12p | Sunny | 39°4° (likely 35°2° to 41°5°) | 37°3° | 0% | 6 mph10 km/h from S, gusts 12 mph20 km/h | 72% | 9% | 2 |
| Sat 1p | Mostly sunny | 41°5° (likely 37°3° to 43°6°) | 38°3° | 0% | 6 mph10 km/h from SSE, gusts 13 mph20 km/h | 68% | 44% | 2 |
| Sat 2p | Mostly sunny | 41°5° (likely 39°4° to 45°7°) | 38°3° | 0% | 6 mph10 km/h from SSE, gusts 12 mph19 km/h | 64% | 20% | 2 |
| Sat 3p | Mostly sunny | 40°4° (likely 40°4° to 45°7°) | 37°3° | 0% | 6 mph10 km/h from SE, gusts 10 mph17 km/h | 63% | 13% | 2 |
| Sat 4p | Mostly sunny | 41°5° (likely 41°5° to 46°8°) | 38°3° | 0% | 5 mph8 km/h from SE, gusts 10 mph15 km/h | 60% | 10% | 1 |
| Sat 5p | Mostly sunny | 40°4° (likely 40°4° to 44°7°) | 37°3° | 0% | 5 mph8 km/h from ESE, gusts 9 mph14 km/h | 63% | 15% | 0 |
| Sat 6p | Clear | 38°3° (likely 37°3° to 40°4°) | 34°1° | 0% | 6 mph10 km/h from E, gusts 10 mph16 km/h | 72% | 7% | 0 |
| Sat 7p | Mostly cloudy | 35°2° (likely 34°1° to 37°3°) | 31°−1° | 0% | 6 mph10 km/h from E, gusts 8 mph13 km/h | 77% | 57% | 0 |
| Sat 8p | Mostly cloudy | 31°−1° (likely 31°−1° to 36°2°) | 26°−3° | 0% | 6 mph10 km/h from ENE, gusts 11 mph18 km/h | 81% | 76% | 0 |
| Sat 9p | Cloudy | 31°−1° (likely 31°−1° to 35°2°) | 25°−4° | 0% | 6 mph10 km/h from ENE, gusts 10 mph15 km/h | 82% | 85% | 0 |
| Sat 10p | Mostly cloudy | 30°−1° (likely 30°−1° to 35°2°) | 24°−4° | 0% | 6 mph10 km/h from ENE, gusts 9 mph14 km/h | 82% | 74% | 0 |
| Sat 11p | Cloudy | 30°−1° (likely 30°−1° to 35°2°) | 24°−4° | 0% | 6 mph10 km/h from NE, gusts 9 mph14 km/h | 81% | 72% | 0 |
| Sun 12a | Cloudy | 30°−1° (likely 30°−1° to 34°1°) | 24°−4° | 0% | 7 mph11 km/h from NE, gusts 9 mph14 km/h | 81% | 64% | 0 |
| Sun 1a | Partly cloudy | 28°−2° (likely 28°−2° to 33°1°) | 22°−6° | 0% | 7 mph11 km/h from NE, gusts 7 mph12 km/h | 82% | 57% | 0 |
| Sun 2a | Partly cloudy | 27°−3° (likely 27°−3° to 32°0°) | 20°−7° | 0% | 6 mph10 km/h from NE, gusts 11 mph18 km/h | 84% | 57% | 0 |
| Sun 3a | Partly cloudy | 27°−3° (likely 27°−3° to 32°0°) | 20°−7° | 0% | 6 mph10 km/h from NE, gusts 10 mph16 km/h | 85% | 60% | 0 |
| Sun 4a | Partly cloudy | 26°−3° (likely 26°−3° to 31°−1°) | 19°−7° | 0% | 6 mph10 km/h from NE, gusts 16 mph26 km/h | 87% | 25% | 0 |
| Sun 5a | Clear | 24°−4° (likely 24°−4° to 31°−1°) | 17°−8° | 0% | 7 mph11 km/h from NE, gusts 16 mph26 km/h | 87% | 13% | 0 |
| Sun 6a | Mostly clear | 24°−4° (likely 24°−4° to 31°−1°) | 17°−8° | 0% | 7 mph11 km/h from NE, gusts 15 mph24 km/h | 89% | 11% | 0 |
| Sun 7a | Clear | 23°−5° (likely 23°−5° to 31°−1°) | 16°−9° | 0% | 7 mph11 km/h from NE, gusts 14 mph23 km/h | 91% | 12% | 0 |
| Sun 8a | Sunny | 22°−6° (likely 22°−6° to 31°−1°) | 15°−9° | 0% | 7 mph11 km/h from NE, gusts 14 mph23 km/h | 92% | 40% | 0 |
| Sun 9a | Partly sunny | 25°−4° (likely 25°−4° to 31°−1°) | 17°−8° | 0% | 8 mph13 km/h from ENE, gusts 14 mph23 km/h | 87% | 30% | 0 |
| Sun 10a | Mostly sunny | 29°−2° (likely 29°−2° to 32°0°) | 22°−6° | 0% | 8 mph13 km/h from ENE, gusts 15 mph24 km/h | 82% | 31% | 1 |
| Sun 11a | Partly sunny | 32°0° (likely 32°0° to 35°2°) | 26°−3° | 0% | 8 mph13 km/h from ENE, gusts 14 mph23 km/h | 77% | 65% | 2 |
| Sun 12p | Mostly sunny | 35°2° (likely 34°1° to 37°3°) | 28°−2° | 0% | 8 mph13 km/h from E, gusts 13 mph20 km/h | 73% | 68% | 3 |
| Sun 1p | Mostly sunny | 37°3° (likely 36°2° to 39°4°) | 31°−1° | 0% | 9 mph14 km/h from E, gusts 14 mph22 km/h | 68% | 70% | 3 |
| Sun 2p | Mostly sunny | 38°3° (likely 37°3° to 41°5°) | 32°0° | 0% | 9 mph14 km/h from E, gusts 13 mph21 km/h | 64% | 68% | 3 |
| Sun 3p | Cloudy | 39°4° (likely 38°3° to 42°6°) | 34°1° | 0% | 9 mph14 km/h from E, gusts 15 mph24 km/h | 63% | 82% | 3 |
| Sun 4p | Cloudy | 40°4° (likely 39°4° to 42°6°) | 35°2° | 0% | 9 mph14 km/h from E, gusts 15 mph24 km/h | 60% | 71% | 2 |
| Sun 5p | Cloudy | 39°4° (likely 38°3° to 42°6°) | 34°1° | 0% | 8 mph13 km/h from E, gusts 13 mph21 km/h | 62% | 64% | 1 |
| Sun 6p | Cloudy | 37°3° (likely 37°3° to 39°4°) | 33°1° | 0% | 6 mph10 km/h from ENE, gusts 12 mph19 km/h | 71% | 64% | 0 |
| Sun 7p | Cloudy | 34°1° (likely 34°1° to 36°2°) | 30°−1° | 0% | 6 mph10 km/h from ENE, gusts 11 mph17 km/h | 77% | 67% | 0 |
| Sun 8p | Cloudy | 32°0° (likely 32°0° to 35°2°) | 27°−3° | 0% | 6 mph10 km/h from ENE, gusts 8 mph14 km/h | 81% | 76% | 0 |
| Sun 9p | Cloudy | 30°−1° (likely 30°−1° to 35°2°) | 25°−4° | 0% | 7 mph11 km/h from E, gusts 9 mph14 km/h | 84% | 76% | 0 |
| Sun 10p | Cloudy | 29°−2° (likely 29°−2° to 34°1°) | 24°−4° | 0% | 7 mph11 km/h from E, gusts 9 mph15 km/h | 85% | 84% | 0 |
| Sun 11p | Cloudy | 28°−2° (likely 28°−2° to 33°1°) | 23°−5° | 0% | 7 mph11 km/h from E, gusts 8 mph13 km/h | 84% | 83% | 0 |
| Mon 12a | Cloudy | 28°−2° (likely 28°−2° to 33°1°) | 22°−6° | 0% | 7 mph11 km/h from E, gusts 8 mph13 km/h | 84% | 75% | 0 |
| Mon 1a | Cloudy | 27°−3° (likely 27°−3° to 32°0°) | 20°−7° | 0% | 7 mph11 km/h from E, gusts 9 mph14 km/h | 86% | 79% | 0 |
| Mon 2a | Cloudy | 26°−3° (likely 26°−3° to 31°−1°) | 19°−7° | 0% | 7 mph11 km/h from E, gusts 8 mph13 km/h | 88% | 78% | 0 |
| Mon 3a | Partly cloudy | 26°−3° (likely 26°−3° to 31°−1°) | 20°−7° | 0% | 5 mph8 km/h from E, gusts 8 mph12 km/h | 90% | 58% | 0 |
| Mon 4a | Partly cloudy | 25°−4° (likely 25°−4° to 31°−1°) | 19°−7° | 0% | 5 mph8 km/h from E, gusts 8 mph12 km/h | 92% | 56% | 0 |
| Mon 5a | Partly cloudy | 24°−4° (likely 24°−4° to 31°−1°) | 18°−8° | 0% | 5 mph8 km/h from E, gusts 8 mph12 km/h | 95% | 68% | 0 |
| Mon 6a | Partly cloudy | 24°−4° (likely 24°−4° to 31°−1°) | 20°−7° | 0% | 3 mph5 km/h from E, gusts 9 mph14 km/h | 96% | 56% | 0 |
| Mon 7a | Mostly cloudy | 25°−4° (likely 25°−4° to 31°−1°) | 21°−6° | 0% | 3 mph5 km/h from E, gusts 6 mph9 km/h | 97% | 50% | 0 |
| Mon 8a | Mostly cloudy | 25°−4° (likely 25°−4° to 31°−1°) | 21°−6° | 0% | 3 mph5 km/h from E, gusts 5 mph9 km/h | 97% | 52% | 0 |
| Mon 9a | Mostly cloudy | 27°−3° (likely 27°−3° to 32°0°) | 23°−5° | 0% | 3 mph5 km/h from ESE, gusts 7 mph12 km/h | 95% | 41% | 0 |
| Mon 10a | Mostly cloudy | 31°−1° (likely 30°−1° to 35°2°) | 28°−2° | 0% | 3 mph5 km/h from ESE, gusts 11 mph17 km/h | 91% | 39% | 1 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 41°5°, low 22°−6°. Typical 55°13° / 29°−2°. Dry. Mostly agree.
Afternoon
noon–6 PM
Mostly sunny, 41°5°Dry
Evening
6 PM–midnight
Cloudy, 31°−1°Dry
Overnight
midnight–6 AM
Partly cloudy, 24°−4°Dry
Official NWS forecast
Today: Sunny, with a high near 41. Southeast wind around 6 mph.
Tonight: Partly cloudy, with a low around 22. East northeast wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 41°5°–46°8°
- Low, likely
- 22°−6°–29°−2°
- Typical high / low
- 55°13° / 29°−2°
- Wind
- 12 mph19 km/h, gusts 20 mph32 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 40°4°, low 24°−4°. Typical 55°13° / 28°−2°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 22°−6°Dry
Afternoon
noon–6 PM
Cloudy, 40°4°Dry
Evening
6 PM–midnight
Cloudy, 32°0°Dry
Overnight
midnight–6 AM
Partly cloudy, 24°−4°Dry
Official NWS forecast
Day: Sunny, with a high near 40. East northeast wind around 9 mph.
Night: Mostly cloudy, with a low around 24. East wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 39°4°–42°6°
- Low, likely
- 24°−4°–31°−1°
- Typical high / low
- 55°13° / 28°−2°
- Wind
- 13 mph20 km/h, gusts 25 mph40 km/h
- UV peak
- 3
Monday, Oct 26. Cloudy. High 44°7°, low 28°−2°. Typical 54°12° / 28°−2°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly cloudy, 25°−4°Dry
Afternoon
noon–6 PM
Partly sunny, 47°8°Dry
Evening
6 PM–midnight
Cloudy, 41°5°Dry
Overnight
midnight–6 AM
Cloudy, 34°1°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 44. East southeast wind 3 to 8 mph.
Night: Mostly cloudy, with a low around 28. East southeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 44°7°–48°9°
- Low, likely
- 25°−4°–30°−1°
- Typical high / low
- 54°12° / 28°−2°
- Wind
- 13 mph20 km/h, gusts 22 mph35 km/h
- UV peak
- 3
Tuesday, Oct 27. Mostly cloudy. High 47°8°, low 27°−3°. Typical 54°12° / 28°−2°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 34°1°20% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
Cloudy, 50°10°Dry
Evening
6 PM–midnight
Cloudy, 43°6°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 47. South southwest wind 2 to 7 mph.
Night: A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 27. West wind around 9 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 46°8°–53°12°
- Low, likely
- 27°−3°–36°2°
- Typical high / low
- 54°12° / 28°−2°
- Wind
- 19 mph30 km/h, gusts 33 mph53 km/h
- UV peak
- 2
Wednesday, Oct 28. Snow. High 43°6°, low 22°−6°. Typical 53°12° / 27°−3°. Snow 0.01 in0.3 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 36°2°Dry
Afternoon
noon–6 PM
Mostly sunny, 48°9°Dry
Evening
6 PM–midnight
Clear, 39°4°Dry
Overnight
midnight–6 AM
Cloudy, 31°−1°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow before noon. Partly sunny, with a high near 43.
Night: A chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than half an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 43°6°–51°11°
- Low, likely
- 22°−6°–37°3°
- Typical high / low
- 53°12° / 27°−3°
- Wind
- 17 mph27 km/h, gusts 29 mph47 km/h
- UV peak
- 3
Thursday, Oct 29. Snow. High 39°4°, low 22°−6°. Typical 52°11° / 27°−3°. Snow < 1 in< 2 cm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 29°−1°Dry
Afternoon
noon–6 PM
Cloudy, 36°2°Dry
Evening
6 PM–midnight
Cloudy, 33°0°30% chance
Overnight
midnight–6 AM
Snow, 29°−2°30% chance · 0.4 in1 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow before noon. Mostly cloudy, with a high near 39.
Night: A slight chance of snow. Mostly cloudy, with a low around 22.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 31°−1°–42°6°
- Low, likely
- 22°−6°–32°0°
- Typical high / low
- 52°11° / 27°−3°
- Wind
- 16 mph26 km/h, gusts 29 mph47 km/h
- UV peak
- 3
Friday, Oct 30. Snow. High 42°6°, low 23°−5°. Typical 52°11° / 27°−3°. Snow 0–3 in0–8 cm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Snow, 29°−2°30% chance · 0.5 in1.2 cm
Afternoon
noon–6 PM
Cloudy, 33°1°30% chance · 0.1 in0.3 cm
Evening
6 PM–midnight
Cloudy, 30°−1°Dry
Overnight
midnight–6 AM
Cloudy, 28°−2°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow before noon. Partly sunny, with a high near 42.
Night: Mostly cloudy, with a low around 23.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 31°−1°–42°6°
- Low, likely
- 23°−5°–29°−2°
- Typical high / low
- 52°11° / 27°−3°
- Wind
- 17 mph28 km/h
- UV peak
- 2
Saturday, Oct 31. Snow. High 37°3°, low 25°−4°. Typical 51°11° / 26°−3°. Snow < 1 in< 2 cm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 28°−2°Dry
Afternoon
noon–6 PM
Partly sunny, 35°1°Dry
Evening
6 PM–midnight
Mostly clear, 31°−1°Dry
Overnight
midnight–6 AM
Cloudy, 26°−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
- 31°−1°–43°6°
- Low, likely
- 16°−9°–33°1°
- Typical high / low
- 51°11° / 26°−3°
- Wind
- 14 mph23 km/h, gusts 26 mph42 km/h
- UV peak
- 3
Sunday, Nov 1. Cloudy. High 42°6°, low 25°−4°. Typical 51°11° / 26°−3°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 29°−2°Dry
Afternoon
noon–6 PM
Mostly sunny, 39°4°Dry
Evening
6 PM–midnight
Clear, 35°2°Dry
Overnight
midnight–6 AM
Clear, 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 34°1°–48°9°
- Low, likely
- 14°−10°–31°−1°
- Typical high / low
- 51°11° / 26°−3°
- Wind
- 14 mph23 km/h, gusts 26 mph42 km/h
- UV peak
- 3
Monday, Nov 2. Cloudy. High 43°6°, low 30°−1°. Typical 50°10° / 26°−3°. Dry. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 32°0°Dry
Afternoon
noon–6 PM
Cloudy, 45°7°Dry
Evening
6 PM–midnight
Cloudy, 38°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
- 32°0°–49°9°
- Low, likely
- 21°−6°–36°2°
- Typical high / low
- 50°10° / 26°−3°
- Wind
- 13 mph20 km/h
- UV peak
- 2
The outlook
Today
Dry, high 41°, low 22°.
Tomorrow
Dry, high 40°, low 24°.
Monday
Dry, high 44°, low 28°, warming up.
Rest of week
Mostly dry, highs 37–47°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (TFX) (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
Marias River at Tiber Reservoir / Lake Elwell
9.2 mi- Level
- 2986 ft
Reading from Sat 10 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Pipes: watch the cold
Tonight’s low: 24°−4°
Overnight low near 24°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.
Heating this week
About 61% less heating than a typical week.
This week 67Typical 171
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 47
- 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 13 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?
Tiber Dam · official normals 1991–2020 · records 1952–2026
Oct 24, today vs a typical year
Today’s expected high is 14°8° colder than typical.
- Normal high / low
- 55°13° / 29°−2°
- Forecast high / low
- 41°5° / 22°−6°
- Record high
- 81°27° in 2007
- Record low
- 12°−11° in 2002
Last 7 days vs normal
- —SunOct 18
- —MonOct 19
- —TueOct 20
- —WedOct 21
- —ThuOct 22
- —FriOct 23
- —SatOct 24
Riverview Colony weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:57 AM, sunset 6:18 PM.
- Daylight
- 10 h 21 min
- Losing 3 min 17 s a day; shortest Dec 21, 2 h 0 min less
- Golden hour
- 5:34–6:38 PM
- Morning 7:37–8:41 AM
- Blue hour
- 6:38–6:50 PM
- Morning 7:25–7:37 AM; first light 7:25 AM
Stars tonight? Fair
Mostly clear 4–7:26 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 6:10 AM · rises 5:19 PM
- Full moon
- Oct 25
- New moon
- Nov 9
