Bighorn River at Basin
7.2 mi- Level
- 3.1 ft
- Flow
- 810 cfs
Reading from Sat 8:15 PM · NWS gauge page
Appearance
Observed 7:55 PM MDT at KGEY
Clear and 45°7°.
Today: low 27°−3° (likely 27°−3° to 38°3°), high 52°11° (likely 50°10° to 53°12°).
Now 45°7°
Clear
Light rain now, through the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 8p | Clear | 46°8° (likely 43°6° to 46°8°) | 43°6° | 0% | 6 mph10 km/h from E, gusts 7 mph11 km/h | 49% | 16% | 0 |
| Sat 9p | Partly cloudy | 42°6° (likely 41°5° to 43°6°) | 38°3° | 0% | 6 mph10 km/h from E, gusts 7 mph12 km/h | 55% | 29% | 0 |
| Sat 10p | Clear | 40°4° (likely 40°4° to 42°6°) | 37°3° | 0% | 5 mph8 km/h from ESE, gusts 6 mph10 km/h | 62% | 14% | 0 |
| Sat 11p | Clear | 38°3° (likely 38°3° to 41°5°) | 36°2° | 0% | 3 mph5 km/h from ESE, gusts 5 mph7 km/h | 67% | 12% | 0 |
| Sun 12a | Clear | 37°3° (likely 37°3° to 40°4°) | 37°3° | 0% | 2 mph3 km/h from SE, gusts 3 mph5 km/h | 71% | 11% | 0 |
| Sun 1a | Clear | 35°2° (likely 35°2° to 39°4°) | 35°2° | 0% | 2 mph3 km/h from SSE, gusts 2 mph3 km/h | 76% | 8% | 0 |
| Sun 2a | Clear | 35°2° (likely 35°2° to 38°3°) | 32°0° | 0% | 3 mph5 km/h from SW, gusts 2 mph3 km/h | 75% | 3% | 0 |
| Sun 3a | Clear | 33°1° (likely 33°1° to 37°3°) | 29°−2° | 0% | 5 mph8 km/h from W, gusts 2 mph3 km/h | 79% | 0% | 0 |
| Sun 4a | Clear | 31°−1° (likely 31°−1° to 36°2°) | 28°−2° | 0% | 3 mph5 km/h from WNW, gusts 1 mph2 km/h | 81% | 0% | 0 |
| Sun 5a | Clear | 29°−2° (likely 29°−2° to 35°2°) | 29°−2° | 0% | 2 mph3 km/h from WSW, gusts 2 mph3 km/h | 86% | 16% | 0 |
| Sun 6a | Clear | 29°−2° (likely 29°−2° to 34°1°) | 29°−2° | 0% | 2 mph3 km/h from WSW, gusts 2 mph3 km/h | 87% | 20% | 0 |
| Sun 7a | Clear | 27°−3° (likely 27°−3° to 34°1°) | 27°−3° | 0% | 2 mph3 km/h from W, gusts 2 mph4 km/h | 91% | 18% | 0 |
| Sun 8a | Sunny | 27°−3° (likely 27°−3° to 34°1°) | 27°−3° | 0% | 1 mph2 km/h from W, gusts 3 mph4 km/h | 95% | 8% | 0 |
| Sun 9a | Sunny | 31°−1° (likely 31°−1° to 36°2°) | 28°−2° | 0% | 3 mph5 km/h from SSW, gusts 1 mph2 km/h | 86% | 0% | 0 |
| Sun 10a | Sunny | 36°2° (likely 36°2° to 40°4°) | 36°2° | 0% | 2 mph3 km/h from W, gusts 3 mph4 km/h | 72% | 1% | 1 |
| Sun 11a | Sunny | 42°6° (likely 42°6° to 46°8°) | 42°6° | 0% | 2 mph3 km/h from WSW, gusts 5 mph7 km/h | 58% | 24% | 3 |
| Sun 12p | Cloudy | 46°8° (likely 46°8° to 50°10°) | 44°7° | 0% | 5 mph8 km/h from NW, gusts 5 mph7 km/h | 51% | 66% | 4 |
| Sun 1p | Cloudy | 49°9° (likely 49°9° to 52°11°) | 47°8° | 5% | 6 mph10 km/h from WNW, gusts 6 mph9 km/h | 44% | 70% | 4 |
| Sun 2p | Cloudy | 50°10° (likely 50°10° to 54°12°) | 48°9° | 5% | 6 mph10 km/h from NW, gusts 7 mph12 km/h | 40% | 76% | 4 |
| Sun 3p | Cloudy | 51°11° (likely 51°11° to 55°13°) | 51°11° | 0% | 6 mph10 km/h from NNW, gusts 7 mph11 km/h | 37% | 80% | 3 |
| Sun 4p | Cloudy | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 6 mph10 km/h from NNW, gusts 7 mph12 km/h | 35% | 78% | 2 |
| Sun 5p | Partly sunny | 52°11° (likely 51°11° to 54°12°) | 52°11° | 5% | 5 mph8 km/h from NNW, gusts 7 mph12 km/h | 37% | 76% | 1 |
| Sun 6p | Cloudy | 50°10° (likely 49°9° to 53°12°) | 48°9° | 10% | 5 mph8 km/h from NNW, gusts 7 mph12 km/h | 40% | 79% | 0 |
| Sun 7p | Cloudy | 48°9° (likely 47°8° to 51°11°) | 45°7° | 5% | 6 mph10 km/h from NW, gusts 7 mph12 km/h | 47% | 77% | 0 |
| Sun 8p | Mostly clear | 46°8° (likely 45°7° to 48°9°) | 42°6° | 5% | 7 mph11 km/h from NW, gusts 7 mph11 km/h | 51% | 49% | 0 |
| Sun 9p | Cloudy | 43°6° (likely 43°6° to 46°8°) | 39°4° | 0% | 6 mph10 km/h from NW, gusts 10 mph16 km/h | 54% | 71% | 0 |
| Sun 10p | Cloudy | 41°5° (likely 41°5° to 44°7°) | 37°3° | 0% | 6 mph10 km/h from NW, gusts 8 mph12 km/h | 60% | 68% | 0 |
| Sun 11p | Partly cloudy | 39°4° (likely 39°4° to 43°6°) | 36°2° | 0% | 5 mph8 km/h from NW, gusts 5 mph9 km/h | 64% | 48% | 0 |
| Mon 12a | Mostly cloudy | 38°3° (likely 37°3° to 42°6°) | 34°1° | 0% | 5 mph8 km/h from WNW, gusts 4 mph6 km/h | 69% | 62% | 0 |
| Mon 1a | Mostly cloudy | 36°2° (likely 35°2° to 40°4°) | 33°1° | 0% | 3 mph5 km/h from WNW, gusts 4 mph7 km/h | 73% | 48% | 0 |
| Mon 2a | Clear | 36°2° (likely 33°1° to 39°4°) | 36°2° | 0% | 2 mph3 km/h from WNW, gusts 3 mph5 km/h | 73% | 40% | 0 |
| Mon 3a | Cloudy | 34°1° (likely 32°0° to 38°3°) | 34°1° | 0% | 2 mph3 km/h from W, gusts 3 mph4 km/h | 76% | 80% | 0 |
| Mon 4a | Cloudy | 33°1° (likely 32°0° to 39°4°) | 33°1° | 0% | 2 mph3 km/h from WNW, gusts 2 mph4 km/h | 78% | 80% | 0 |
| Mon 5a | Cloudy | 31°−1° (likely 31°−1° to 38°3°) | 31°−1° | 0% | 1 mph2 km/h from WNW, gusts 3 mph5 km/h | 83% | 80% | 0 |
| Mon 6a | Cloudy | 29°−2° (likely 29°−2° to 38°3°) | 29°−2° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 85% | 78% | 0 |
| Mon 7a | Partly cloudy | 30°−1° (likely 29°−2° to 38°3°) | 30°−1° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 88% | 75% | 0 |
| Mon 8a | Partly sunny | 30°−1° (likely 29°−2° to 38°3°) | 30°−1° | 0% | 0 mph0 km/h, gusts 1 mph2 km/h | 88% | 65% | 0 |
| Mon 9a | Mostly sunny | 32°0° (likely 32°0° to 40°4°) | 32°0° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 84% | 39% | 0 |
| Mon 10a | Partly sunny | 37°3° (likely 37°3° to 44°7°) | 37°3° | 0% | 1 mph2 km/h from SSE, gusts 4 mph6 km/h | 75% | 18% | 1 |
| Mon 11a | Sunny | 44°7° (likely 42°6° to 50°10°) | 44°7° | 0% | 2 mph3 km/h from SSE, gusts 6 mph10 km/h | 63% | 14% | 3 |
| Mon 12p | Mostly sunny | 49°9° (likely 46°8° to 53°12°) | 48°9° | 0% | 3 mph5 km/h from SSE, gusts 9 mph14 km/h | 52% | 10% | 3 |
| Mon 1p | Mostly sunny | 53°12° (likely 50°10° to 56°13°) | 53°12° | 0% | 5 mph8 km/h from SSE, gusts 9 mph15 km/h | 45% | 11% | 4 |
| Mon 2p | Sunny | 56°13° (likely 53°12° to 58°14°) | 56°13° | 0% | 7 mph11 km/h from SSE, gusts 9 mph14 km/h | 41% | 35% | 4 |
| Mon 3p | Sunny | 57°14° (likely 56°13° to 59°15°) | 57°14° | 0% | 7 mph11 km/h from SSE, gusts 10 mph15 km/h | 39% | 3% | 3 |
| Mon 4p | Mostly sunny | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 6 mph10 km/h from SSE, gusts 10 mph15 km/h | 39% | 35% | 2 |
| Mon 5p | Sunny | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 3 mph5 km/h from SE, gusts 10 mph16 km/h | 40% | 34% | 1 |
| Mon 6p | Clear | 55°13° (likely 53°12° to 56°13°) | 55°13° | 0% | 1 mph2 km/h from SE, gusts 6 mph9 km/h | 44% | 7% | 0 |
| Mon 7p | Mostly clear | 52°11° (likely 45°7° to 54°12°) | 52°11° | 0% | 1 mph2 km/h from ESE, gusts 3 mph4 km/h | 49% | 9% | 0 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 27. South wind 2 to 6 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: Areas of fog between 7am and 9am. Mostly sunny, with a high near 52. West northwest wind 1 to 6 mph.
Night: Mostly cloudy, with a low around 28. Northwest wind 1 to 7 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
30% chance · 0.04 in1 mm
Official NWS forecast
Day: Sunny, with a high near 57. Southeast wind 0 to 7 mph.
Night: A slight chance of rain showers after midnight. Mostly clear, with a low around 32. East southeast wind 1 to 6 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
40% chance
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 57. South southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 27. Southwest wind around 5 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 58.
Night: Partly cloudy, with a low around 30.
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 61.
Night: Mostly cloudy, with a low around 32.
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 60.
Night: Mostly cloudy, with a low around 30.
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 56.
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
20% chance · 0.02 in0.5 mm
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 52°, low 27°.
Dry, high 52°, low 28°.
Dry, high 57°, low 32°, warming up.
Highs 52–61°; chance of precipitation on Tuesday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (RIW) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 8:15 PM · NWS gauge page
Reading from Sat 7:30 PM · NWS gauge page
Reading from Sat 7:15 PM · NWS gauge page
Reading from Sat 7:15 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 68% 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 9 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 25°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 6°3° colder than typical.
Greybull weather by month: normals, records, snow and freeze dates
Sunrise 7:39 AM, sunset 6:12 PM.
Mostly clear 10 PM–7:10 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing