Heart River at Heart Butte Dam
18 mi- Level
- 2058 ft
Reading from Sat 7:30 AM · NWS gauge page
Appearance
Observed 8:55 AM MDT at KY19
Windy and 41°5°, gusts to 33 mph53 km/h today.
Today: low 28°−2° (likely 28°−2° to 39°4°), high 51°11° (likely 50°10° to 52°11°).
Now 41°5°
Windy · Feels like 31°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 9a | Partly sunny | 42°6° (likely 39°4° to 42°6°) | 33°1° | 0% | 21 mph34 km/h from NW, gusts 37 mph60 km/h | 62% | 32% | 1 |
| Sat 10a | Mostly sunny | 45°7° (likely 40°4° to 45°7°) | 37°3° | 0% | 18 mph29 km/h from NW, gusts 33 mph53 km/h | 53% | 25% | 2 |
| Sat 11a | Sunny | 47°8° (likely 43°6° to 47°8°) | 41°5° | 0% | 15 mph24 km/h from NW, gusts 30 mph48 km/h | 45% | 12% | 3 |
| Sat 12p | Sunny | 48°9° (likely 45°7° to 48°9°) | 42°6° | 0% | 15 mph24 km/h from NW, gusts 26 mph42 km/h | 40% | 2% | 3 |
| Sat 1p | Sunny | 48°9° (likely 48°9° to 49°9°) | 42°6° | 0% | 17 mph27 km/h from NW, gusts 23 mph37 km/h | 37% | 0% | 4 |
| Sat 2p | Sunny | 49°9° (likely 49°9° to 51°11°) | 43°6° | 0% | 15 mph24 km/h from NW, gusts 19 mph31 km/h | 33% | 0% | 3 |
| Sat 3p | Sunny | 50°10° (likely 50°10° to 51°11°) | 45°7° | 0% | 14 mph23 km/h from NW, gusts 18 mph29 km/h | 29% | 0% | 3 |
| Sat 4p | Sunny | 50°10° (likely 50°10° to 51°11°) | 46°8° | 0% | 12 mph19 km/h from NW, gusts 16 mph25 km/h | 29% | 3% | 2 |
| Sat 5p | Sunny | 48°9° (likely 48°9° to 49°9°) | 45°7° | 0% | 7 mph11 km/h from NW, gusts 11 mph18 km/h | 31% | 7% | 1 |
| Sat 6p | Clear | 45°7° (likely 44°7° to 45°7°) | 44°7° | 0% | 3 mph5 km/h from NW, gusts 7 mph11 km/h | 36% | 10% | 0 |
| Sat 7p | Mostly clear | 42°6° (likely 41°5° to 43°6°) | 42°6° | 0% | 2 mph3 km/h from NW, gusts 5 mph8 km/h | 39% | 61% | 0 |
| Sat 8p | Mostly clear | 40°4° (likely 39°4° to 42°6°) | 40°4° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 42% | 69% | 0 |
| Sat 9p | Mostly clear | 38°3° (likely 37°3° to 41°5°) | 38°3° | 0% | 2 mph3 km/h from W, gusts 4 mph6 km/h | 48% | 70% | 0 |
| Sat 10p | Cloudy | 36°2° (likely 36°2° to 40°4°) | 36°2° | 0% | 1 mph2 km/h from W, gusts 2 mph4 km/h | 52% | 73% | 0 |
| Sat 11p | Cloudy | 35°2° (likely 35°2° to 40°4°) | 35°2° | 0% | 1 mph2 km/h from W, gusts 4 mph6 km/h | 54% | 78% | 0 |
| Sun 12a | Partly cloudy | 33°1° (likely 33°1° to 39°4°) | 33°1° | 0% | 1 mph2 km/h from NW, gusts 3 mph5 km/h | 58% | 69% | 0 |
| Sun 1a | Partly cloudy | 32°0° (likely 32°0° to 38°3°) | 32°0° | 0% | 1 mph2 km/h from NW, gusts 5 mph8 km/h | 58% | 59% | 0 |
| Sun 2a | Partly cloudy | 32°0° (likely 32°0° to 38°3°) | 32°0° | 0% | 1 mph2 km/h from NW, gusts 5 mph9 km/h | 58% | 35% | 0 |
| Sun 3a | Mostly cloudy | 31°−1° (likely 31°−1° to 37°3°) | 31°−1° | 0% | 1 mph2 km/h from NW, gusts 6 mph9 km/h | 61% | 42% | 0 |
| Sun 4a | Clear | 30°−1° (likely 30°−1° to 36°2°) | 30°−1° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 63% | 26% | 0 |
| Sun 5a | Clear | 30°−1° (likely 30°−1° to 36°2°) | 30°−1° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 60% | 25% | 0 |
| Sun 6a | Cloudy | 30°−1° (likely 30°−1° to 36°2°) | 30°−1° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 60% | 66% | 0 |
| Sun 7a | Cloudy | 28°−2° (likely 28°−2° to 36°2°) | 24°−4° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 66% | 66% | 0 |
| Sun 8a | Cloudy | 30°−1° (likely 30°−1° to 38°3°) | 26°−3° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 63% | 65% | 0 |
| Sun 9a | Cloudy | 36°2° (likely 36°2° to 41°5°) | 31°−1° | 0% | 6 mph10 km/h from E, gusts 7 mph11 km/h | 59% | 67% | 1 |
| Sun 10a | Mostly cloudy | 40°4° (likely 40°4° to 45°7°) | 35°2° | 0% | 7 mph11 km/h from E, gusts 10 mph17 km/h | 52% | 66% | 2 |
| Sun 11a | Cloudy | 43°6° (likely 43°6° to 47°8°) | 38°3° | 0% | 9 mph14 km/h from E, gusts 14 mph22 km/h | 47% | 78% | 2 |
| Sun 12p | Cloudy | 45°7° (likely 45°7° to 49°9°) | 40°4° | 0% | 10 mph16 km/h from E, gusts 15 mph25 km/h | 43% | 81% | 3 |
| Sun 1p | Cloudy | 46°8° (likely 46°8° to 50°10°) | 41°5° | 0% | 10 mph16 km/h from E, gusts 16 mph25 km/h | 42% | 80% | 3 |
| Sun 2p | Partly sunny | 47°8° (likely 46°8° to 49°9°) | 43°6° | 0% | 9 mph14 km/h from E, gusts 16 mph26 km/h | 38% | 82% | 3 |
| Sun 3p | Cloudy | 47°8° (likely 45°7° to 48°9°) | 43°6° | 0% | 9 mph14 km/h from E, gusts 15 mph25 km/h | 38% | 89% | 2 |
| Sun 4p | Cloudy | 47°8° (likely 44°7° to 48°9°) | 43°6° | 0% | 8 mph13 km/h from E, gusts 14 mph23 km/h | 38% | 95% | 2 |
| Sun 5p | Cloudy | 46°8° (likely 43°6° to 47°8°) | 42°6° | 0% | 7 mph11 km/h from E, gusts 14 mph22 km/h | 42% | 96% | 1 |
| Sun 6p | Cloudy | 44°7° (likely 40°4° to 46°8°) | 41°5° | 30%, 0.02 in0.5 mm | 6 mph10 km/h from E, gusts 12 mph20 km/h | 47% | 97% | 0 |
| Sun 7p | Cloudy | 42°6° (likely 39°4° to 45°7°) | 38°3° | 30%, 0.02 in0.5 mm | 6 mph10 km/h from E, gusts 10 mph16 km/h | 51% | 97% | 0 |
| Sun 8p | Cloudy | 41°5° (likely 39°4° to 44°7°) | 37°3° | 30%, 0.02 in0.5 mm | 6 mph10 km/h from E, gusts 10 mph16 km/h | 53% | 98% | 0 |
| Sun 9p | Cloudy | 41°5° (likely 39°4° to 44°7°) | 36°2° | 30%, 0.02 in0.5 mm | 7 mph11 km/h from E, gusts 10 mph17 km/h | 55% | 97% | 0 |
| Sun 10p | Cloudy | 40°4° (likely 38°3° to 43°6°) | 35°2° | 30%, 0.02 in0.5 mm | 7 mph11 km/h from E, gusts 12 mph19 km/h | 57% | 98% | 0 |
| Sun 11p | Cloudy | 38°3° (likely 38°3° to 43°6°) | 32°0° | 30%, 0.02 in0.5 mm | 8 mph13 km/h from E, gusts 13 mph21 km/h | 64% | 99% | 0 |
| Mon 12a | Cloudy | 37°3° (likely 37°3° to 42°6°) | 31°−1° | 10% | 8 mph13 km/h from E, gusts 15 mph25 km/h | 67% | 100% | 0 |
| Mon 1a | Cloudy | 36°2° (likely 36°2° to 42°6°) | 30°−1° | 10% | 8 mph13 km/h from E, gusts 12 mph20 km/h | 69% | 100% | 0 |
| Mon 2a | Cloudy | 35°2° (likely 35°2° to 41°5°) | 28°−2° | 10% | 9 mph14 km/h from E, gusts 12 mph19 km/h | 72% | 100% | 0 |
| Mon 3a | Cloudy | 34°1° (likely 34°1° to 40°4°) | 27°−3° | 10% | 9 mph14 km/h from E, gusts 11 mph18 km/h | 75% | 100% | 0 |
| Mon 4a | Cloudy | 33°1° (likely 33°1° to 40°4°) | 25°−4° | 10% | 9 mph14 km/h from E, gusts 12 mph19 km/h | 78% | 100% | 0 |
| Mon 5a | Cloudy | 33°1° (likely 33°1° to 40°4°) | 25°−4° | 10% | 10 mph16 km/h from E, gusts 13 mph21 km/h | 75% | 100% | 0 |
| Mon 6a | Cloudy | 33°1° (likely 33°1° to 39°4°) | 25°−4° | 10% | 10 mph16 km/h from E, gusts 15 mph24 km/h | 75% | 100% | 0 |
| Mon 7a | Cloudy | 33°1° (likely 33°1° to 40°4°) | 25°−4° | 10% | 10 mph16 km/h from E, gusts 19 mph30 km/h | 78% | 100% | 0 |
| Mon 8a | Cloudy | 33°1° (likely 33°1° to 39°4°) | 24°−4° | 10% | 12 mph19 km/h from E, gusts 18 mph29 km/h | 78% | 100% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny. High near 51, with temperatures falling to around 48 in the afternoon. Northwest wind 7 to 21 mph, with gusts as high as 36 mph.
Tonight: Partly cloudy. Low around 28, with temperatures rising to around 30 overnight. Northwest wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance · 0.12 in3 mm
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Mostly cloudy. High near 48, with temperatures falling to around 46 in the afternoon. East wind 2 to 10 mph.
Night: A chance of rain showers before midnight. Mostly cloudy, with a low around 31. East wind 6 to 10 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance · 0.3 in0.7 cm
Afternoon
noon–6 PM
70% chance · 1.1 in2.9 cm
Evening
6 PM–midnight
70% chance · 1.5 in3.7 cm
Overnight
midnight–6 AM
50% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow showers after noon. Cloudy, with a high near 41. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Night: A chance of snow showers before midnight, then a slight chance of rain showers between midnight and 3am, then a slight chance of snow showers. Cloudy, with a low around 28. East wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
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
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 45. East wind 9 to 13 mph, with gusts as high as 22 mph.
Night: A chance of rain showers. Mostly cloudy, with a low around 33. South wind around 12 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: A slight chance of rain showers before noon. Partly sunny, with a high near 52. West wind 13 to 22 mph, with gusts as high as 33 mph.
Night: Partly cloudy, with a low around 29. West wind around 8 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
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 50. Northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Night: Partly cloudy, with a low around 31. East wind 6 to 9 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 50. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
20% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
20% chance · 0.05 in1.2 mm
Evening
6 PM–midnight
20% chance · 0.28 in7.2 mm
Overnight
midnight–6 AM
20% chance · 0.07 in1.9 mm
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
20% chance · 0.07 in1.9 mm
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 51°, low 28°.
Dry, high 48°, low 31°, cooling off.
Dry, high 41°, low 28°, cooling off.
Mostly dry, highs 45–52°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BIS) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 7:30 AM · NWS gauge page
Reading from Sat 8 AM · NWS gauge page
Sunrise 7:16 AM, sunset 5:44 PM.
Clouds most of the night (about 53% cover).
Waxing gibbous
97% lit · growing