Marias River near Chester
20 mi- Level
- 3.4 ft
- Flow
- 537 cfs
Reading from Sat 6:15 PM · NWS gauge page
Appearance
Model estimate for 8:00 PM MDT (no recent station report)
Mostly clear and 37°3°, 13°7° colder than usual, freeze watch tonight, low 25°−4°.
Today: low 25°−4° (likely 21°−6° to 28°−2°), high 40°4° (likely 37°3° to 42°6°).
Now 37°3°
Mostly clear · Feels like 32°0°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 8p | Mostly clear | 37°3° (likely 30°−1° to 37°3°) | 32°0° | 0% | 7 mph11 km/h from E, gusts 9 mph14 km/h | 69% | 37% | 0 |
| Sat 9p | Mostly cloudy | 35°2° (likely 30°−1° to 35°2°) | 28°−2° | 0% | 8 mph13 km/h from E, gusts 10 mph15 km/h | 70% | 63% | 0 |
| Sat 10p | Cloudy | 34°1° (likely 31°−1° to 34°1°) | 27°−3° | 0% | 8 mph13 km/h from ENE, gusts 10 mph16 km/h | 72% | 81% | 0 |
| Sat 11p | Partly cloudy | 33°1° (likely 31°−1° to 34°1°) | 27°−3° | 0% | 7 mph11 km/h from NE, gusts 10 mph16 km/h | 76% | 66% | 0 |
| Sun 12a | Mostly cloudy | 33°1° (likely 29°−2° to 33°1°) | 27°−3° | 0% | 7 mph11 km/h from NE, gusts 9 mph14 km/h | 76% | 56% | 0 |
| Sun 1a | Partly cloudy | 31°−1° (likely 29°−2° to 32°0°) | 24°−4° | 0% | 7 mph11 km/h from NE, gusts 9 mph14 km/h | 79% | 54% | 0 |
| Sun 2a | Mostly clear | 30°−1° (likely 28°−2° to 31°−1°) | 22°−6° | 0% | 8 mph13 km/h from NNE, gusts 10 mph16 km/h | 81% | 23% | 0 |
| Sun 3a | Mostly clear | 30°−1° (likely 27°−3° to 31°−1°) | 22°−6° | 0% | 8 mph13 km/h from NNE, gusts 13 mph20 km/h | 82% | 22% | 0 |
| Sun 4a | Mostly clear | 29°−2° (likely 26°−3° to 31°−1°) | 22°−6° | 0% | 7 mph11 km/h from NNE, gusts 12 mph19 km/h | 84% | 29% | 0 |
| Sun 5a | Mostly clear | 27°−3° (likely 25°−4° to 31°−1°) | 19°−7° | 0% | 8 mph13 km/h from NNE, gusts 16 mph25 km/h | 84% | 44% | 0 |
| Sun 6a | Clear | 27°−3° (likely 24°−4° to 31°−1°) | 19°−7° | 0% | 8 mph13 km/h from NNE, gusts 16 mph25 km/h | 84% | 10% | 0 |
| Sun 7a | Mostly clear | 26°−3° (likely 24°−4° to 31°−1°) | 18°−8° | 0% | 7 mph11 km/h from NNE, gusts 13 mph20 km/h | 86% | 16% | 0 |
| Sun 8a | Mostly sunny | 25°−4° (likely 23°−5° to 31°−1°) | 18°−8° | 0% | 6 mph10 km/h from NE, gusts 11 mph18 km/h | 86% | 23% | 0 |
| Sun 9a | Mostly sunny | 27°−3° (likely 24°−4° to 31°−1°) | 20°−7° | 0% | 6 mph10 km/h from NE, gusts 10 mph17 km/h | 85% | 36% | 0 |
| Sun 10a | Mostly sunny | 32°0° (likely 29°−2° to 32°0°) | 26°−3° | 0% | 7 mph11 km/h from ENE, gusts 10 mph16 km/h | 79% | 65% | 1 |
| Sun 11a | Mostly sunny | 36°2° (likely 31°−1° to 36°2°) | 30°−1° | 0% | 8 mph13 km/h from E, gusts 12 mph19 km/h | 70% | 61% | 2 |
| Sun 12p | Cloudy | 38°3° (likely 32°0° to 38°3°) | 31°−1° | 0% | 10 mph16 km/h from E, gusts 13 mph21 km/h | 65% | 60% | 3 |
| Sun 1p | Cloudy | 40°4° (likely 33°1° to 40°4°) | 33°1° | 0% | 10 mph16 km/h from E, gusts 14 mph23 km/h | 61% | 71% | 4 |
| Sun 2p | Cloudy | 42°6° (likely 34°1° to 42°6°) | 36°2° | 0% | 12 mph19 km/h from E, gusts 15 mph23 km/h | 54% | 79% | 4 |
| Sun 3p | Cloudy | 43°6° (likely 35°2° to 43°6°) | 37°3° | 0% | 12 mph19 km/h from E, gusts 15 mph23 km/h | 53% | 80% | 3 |
| Sun 4p | Cloudy | 44°7° (likely 36°2° to 44°7°) | 38°3° | 0% | 10 mph16 km/h from E, gusts 15 mph23 km/h | 53% | 79% | 2 |
| Sun 5p | Cloudy | 44°7° (likely 36°2° to 44°7°) | 39°4° | 0% | 8 mph13 km/h from E, gusts 14 mph22 km/h | 53% | 82% | 1 |
| Sun 6p | Cloudy | 41°5° (likely 35°2° to 41°5°) | 36°2° | 0% | 7 mph11 km/h from E, gusts 11 mph17 km/h | 61% | 81% | 0 |
| Sun 7p | Cloudy | 38°3° (likely 33°1° to 38°3°) | 33°1° | 0% | 7 mph11 km/h from E, gusts 9 mph15 km/h | 68% | 75% | 0 |
| Sun 8p | Cloudy | 37°3° (likely 33°1° to 37°3°) | 32°0° | 0% | 7 mph11 km/h from E, gusts 10 mph16 km/h | 69% | 73% | 0 |
| Sun 9p | Cloudy | 34°1° (likely 32°0° to 35°2°) | 26°−3° | 0% | 10 mph16 km/h from E, gusts 11 mph17 km/h | 72% | 88% | 0 |
| Sun 10p | Cloudy | 33°1° (likely 31°−1° to 34°1°) | 25°−4° | 0% | 10 mph16 km/h from E, gusts 12 mph20 km/h | 74% | 88% | 0 |
| Sun 11p | Cloudy | 32°0° (likely 31°−1° to 33°1°) | 24°−4° | 0% | 10 mph16 km/h from E, gusts 13 mph20 km/h | 78% | 86% | 0 |
| Mon 12a | Cloudy | 32°0° (likely 29°−2° to 33°1°) | 24°−4° | 0% | 9 mph14 km/h from E, gusts 14 mph23 km/h | 78% | 80% | 0 |
| Mon 1a | Cloudy | 31°−1° (likely 28°−2° to 32°0°) | 23°−5° | 0% | 9 mph14 km/h from E, gusts 15 mph24 km/h | 81% | 77% | 0 |
| Mon 2a | Cloudy | 30°−1° (likely 27°−3° to 32°0°) | 22°−6° | 0% | 9 mph14 km/h from E, gusts 14 mph22 km/h | 83% | 74% | 0 |
| Mon 3a | Partly cloudy | 29°−2° (likely 26°−3° to 32°0°) | 24°−4° | 0% | 5 mph8 km/h from E, gusts 16 mph25 km/h | 86% | 56% | 0 |
| Mon 4a | Partly cloudy | 28°−2° (likely 25°−4° to 32°0°) | 23°−5° | 0% | 5 mph8 km/h from E, gusts 16 mph25 km/h | 89% | 69% | 0 |
| Mon 5a | Cloudy | 28°−2° (likely 24°−4° to 31°−1°) | 23°−5° | 0% | 5 mph8 km/h from E, gusts 13 mph21 km/h | 89% | 79% | 0 |
| Mon 6a | Cloudy | 26°−3° (likely 23°−5° to 31°−1°) | 22°−6° | 0% | 3 mph5 km/h from E, gusts 11 mph18 km/h | 90% | 85% | 0 |
| Mon 7a | Cloudy | 27°−3° (likely 23°−5° to 31°−1°) | 23°−5° | 0% | 3 mph5 km/h from E, gusts 12 mph19 km/h | 91% | 87% | 0 |
| Mon 8a | Partly sunny | 27°−3° (likely 22°−6° to 31°−1°) | 23°−5° | 0% | 3 mph5 km/h from E, gusts 13 mph21 km/h | 92% | 81% | 0 |
| Mon 9a | Cloudy | 28°−2° (likely 23°−5° to 32°0°) | 24°−4° | 0% | 3 mph5 km/h from ESE, gusts 16 mph26 km/h | 91% | 69% | 0 |
| Mon 10a | Cloudy | 32°0° (likely 28°−2° to 34°1°) | 29°−2° | 0% | 3 mph5 km/h from ESE, gusts 16 mph26 km/h | 86% | 79% | 1 |
| Mon 11a | Cloudy | 37°3° (likely 31°−1° to 37°3°) | 34°1° | 0% | 3 mph5 km/h from ESE, gusts 16 mph26 km/h | 78% | 82% | 2 |
| Mon 12p | Cloudy | 41°5° (likely 35°2° to 41°5°) | 36°2° | 0% | 8 mph13 km/h from ESE, gusts 15 mph24 km/h | 71% | 76% | 3 |
| Mon 1p | Mostly cloudy | 44°7° (likely 39°4° to 44°7°) | 39°4° | 0% | 8 mph13 km/h from ESE, gusts 14 mph23 km/h | 65% | 56% | 3 |
| Mon 2p | Cloudy | 47°8° (likely 42°6° to 47°8°) | 43°6° | 0% | 8 mph13 km/h from ESE, gusts 15 mph24 km/h | 61% | 71% | 4 |
| Mon 3p | Partly sunny | 48°9° (likely 44°7° to 48°9°) | 44°7° | 0% | 8 mph13 km/h from ESE, gusts 16 mph26 km/h | 59% | 73% | 3 |
| Mon 4p | Partly sunny | 48°9° (likely 45°7° to 48°9°) | 44°7° | 0% | 8 mph13 km/h from ESE, gusts 16 mph26 km/h | 60% | 73% | 2 |
| Mon 5p | Mostly sunny | 47°8° (likely 44°7° to 47°8°) | 43°6° | 0% | 8 mph13 km/h from ESE, gusts 15 mph25 km/h | 64% | 50% | 1 |
| Mon 6p | Clear | 45°7° (likely 40°4° to 45°7°) | 42°6° | 5% | 6 mph10 km/h from E, gusts 12 mph19 km/h | 69% | 47% | 0 |
| Mon 7p | Mostly cloudy | 43°6° (likely 37°3° to 43°6°) | 39°4° | 5% | 6 mph10 km/h from E, gusts 9 mph15 km/h | 74% | 71% | 0 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Tonight: Partly cloudy, with a low around 25. East northeast wind around 8 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 44. East northeast wind 6 to 12 mph, with gusts as high as 20 mph.
Night: Mostly cloudy. Low around 25, with temperatures rising to around 28 overnight. East wind 5 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Partly sunny, with a high near 48. East southeast wind 3 to 8 mph.
Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 29. East southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.05 in1.2 mm
Afternoon
noon–6 PM
30% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
20% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 51. Southwest wind 3 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Night: Mostly cloudy, with a low around 31. West wind around 13 mph, with gusts as high as 20 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 49. West wind around 9 mph.
Night: Mostly cloudy, with a low around 26.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
40% chance · 0.2 in0.6 cm
Overnight
midnight–6 AM
40% chance · 0.2 in0.5 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 40.
Night: A chance of snow. Mostly cloudy, with a low around 24. Little or no snow accumulation expected.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
20% chance · 0.01 in0.3 mm
Overnight
midnight–6 AM
20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before noon. Partly sunny, with a high near 41. New snow accumulation of less than half an inch possible.
Night: A chance of snow before 9pm, then a chance of rain and snow between 9pm and midnight. Mostly cloudy, with a low around 24. New snow accumulation of less than half an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
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.
Dry, high 40°, low 25°.
Dry, high 44°, low 25°, warming up.
Dry, high 48°, low 29°, warming up.
Mostly dry, highs 40–51°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (TFX) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 6:15 PM · NWS gauge page
Reading from Sat 6 PM · NWS gauge page
Reading from Sat 5:45 PM · NWS gauge page
Reading from Sat 6:15 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
Tonight’s low: 25°−4°
Overnight low near 25°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.
About 65% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 10 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 28°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 13°7° colder than typical.
On average 6°3° warmer than normal (daily mean temperature).
Twin Hills Colony weather by month: normals, records, snow and freeze dates
Sunrise 7:57 AM, sunset 6:18 PM.
Mostly clear 2–4 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing