Snake River near Jackson
4.8 mi- Level
- 1.3 ft
- Flow
- 1,560 cfs
Forecast peak 1.4 ft Sat 12 PM
Reading from Sat 8:30 AM · NWS gauge page
Appearance
Observed 9:45 AM MDT at KJAC
Overcast and 37°3°.
Today: low 20°−7° (likely 20°−7° to 36°2°), high 53°12° (likely 49°9° to 53°12°).
Now 37°3°
Cloudy · Feels like 32°0°
Light rain now, through the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 10a | Partly sunny | 39°4° (likely 38°3° to 40°4°) | 39°4° | 0% | 1 mph2 km/h from SSW, gusts 5 mph8 km/h | 87% | 48% | 1 |
| Sat 11a | Partly sunny | 42°6° (likely 41°5° to 43°6°) | 42°6° | 0% | 2 mph3 km/h from S, gusts 6 mph9 km/h | 82% | 38% | 2 |
| Sat 12p | Sunny | 44°7° (likely 43°6° to 46°8°) | 44°7° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 78% | 37% | 4 |
| Sat 1p | Mostly sunny | 46°8° (likely 45°7° to 49°9°) | 46°8° | 0% | 2 mph3 km/h from ESE, gusts 8 mph13 km/h | 73% | 44% | 4 |
| Sat 2p | Partly sunny | 51°11° (likely 47°8° to 51°11°) | 51°11° | 0% | 2 mph3 km/h from SSE, gusts 11 mph17 km/h | 63% | 61% | 4 |
| Sat 3p | Mostly sunny | 52°11° (likely 48°9° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from SE, gusts 8 mph12 km/h | 55% | 28% | 4 |
| Sat 4p | Mostly sunny | 53°12° (likely 49°9° to 53°12°) | 53°12° | 0% | 3 mph5 km/h from SSE, gusts 4 mph7 km/h | 50% | 20% | 3 |
| Sat 5p | Mostly sunny | 53°12° (likely 48°9° to 53°12°) | 53°12° | 0% | 2 mph3 km/h from E, gusts 4 mph6 km/h | 48% | 14% | 2 |
| Sat 6p | Clear | 49°9° (likely 45°7° to 49°9°) | 48°9° | 0% | 3 mph5 km/h from N, gusts 4 mph6 km/h | 56% | 10% | 1 |
| Sat 7p | Clear | 46°8° (likely 42°6° to 46°8°) | 46°8° | 0% | 2 mph3 km/h from NE, gusts 4 mph6 km/h | 66% | 1% | 0 |
| Sat 8p | Clear | 43°6° (likely 39°4° to 43°6°) | 41°5° | 0% | 3 mph5 km/h from NE, gusts 4 mph6 km/h | 72% | 1% | 0 |
| Sat 9p | Clear | 39°4° (likely 37°3° to 41°5°) | 39°4° | 0% | 2 mph3 km/h from NNE, gusts 5 mph8 km/h | 73% | 1% | 0 |
| Sat 10p | Clear | 36°2° (likely 35°2° to 40°4°) | 36°2° | 0% | 2 mph3 km/h from NNE, gusts 4 mph7 km/h | 79% | 0% | 0 |
| Sat 11p | Clear | 34°1° (likely 33°1° to 39°4°) | 34°1° | 0% | 2 mph3 km/h from NNE, gusts 5 mph8 km/h | 83% | 0% | 0 |
| Sun 12a | Clear | 32°0° (likely 32°0° to 39°4°) | 32°0° | 0% | 2 mph3 km/h from N, gusts 5 mph8 km/h | 84% | 0% | 0 |
| Sun 1a | Clear | 30°−1° (likely 30°−1° to 38°3°) | 30°−1° | 0% | 2 mph3 km/h from N, gusts 3 mph5 km/h | 90% | 0% | 0 |
| Sun 2a | Clear | 29°−2° (likely 29°−2° to 37°3°) | 25°−4° | 0% | 3 mph5 km/h from NNW, gusts 3 mph4 km/h | 92% | 0% | 0 |
| Sun 3a | Clear | 28°−2° (likely 28°−2° to 37°3°) | 28°−2° | 0% | 2 mph3 km/h from NNE, gusts 1 mph2 km/h | 94% | 1% | 0 |
| Sun 4a | Clear | 26°−3° (likely 26°−3° to 36°2°) | 26°−3° | 0% | 2 mph3 km/h from NNW, gusts 3 mph5 km/h | 96% | 3% | 0 |
| Sun 5a | Clear | 25°−4° (likely 25°−4° to 36°2°) | 21°−6° | 0% | 3 mph5 km/h from NE, gusts 4 mph6 km/h | 96% | 6% | 0 |
| Sun 6a | Clear | 24°−4° (likely 24°−4° to 36°2°) | 24°−4° | 0% | 2 mph3 km/h from NNE, gusts 2 mph4 km/h | 98% | 24% | 0 |
| Sun 7a | Clear | 21°−6° (likely 21°−6° to 35°2°) | 21°−6° | 0% | 2 mph3 km/h from NNE, gusts 2 mph3 km/h | 100% | 24% | 0 |
| Sun 8a | Sunny | 22°−6° (likely 22°−6° to 35°2°) | 22°−6° | 0% | 1 mph2 km/h from SW, gusts 2 mph3 km/h | 100% | 27% | 0 |
| Sun 9a | Sunny | 26°−3° (likely 26°−3° to 37°3°) | 26°−3° | 0% | 2 mph3 km/h from SSE, gusts 2 mph4 km/h | 100% | 27% | 0 |
| Sun 10a | Sunny | 32°0° (likely 32°0° to 41°5°) | 32°0° | 0% | 1 mph2 km/h from SSW, gusts 2 mph3 km/h | 100% | 26% | 1 |
| Sun 11a | Mostly sunny | 38°3° (likely 38°3° to 44°7°) | 38°3° | 0% | 1 mph2 km/h from WNW, gusts 4 mph6 km/h | 83% | 17% | 3 |
| Sun 12p | Sunny | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 2 mph3 km/h from W, gusts 3 mph5 km/h | 69% | 24% | 4 |
| Sun 1p | Sunny | 49°9° (likely 48°9° to 50°10°) | 49°9° | 5% | 2 mph3 km/h from W, gusts 4 mph7 km/h | 62% | 26% | 4 |
| Sun 2p | Sunny | 53°12° (likely 50°10° to 53°12°) | 53°12° | 5% | 1 mph2 km/h from W, gusts 4 mph6 km/h | 55% | 30% | 4 |
| Sun 3p | Partly sunny | 55°13° (likely 50°10° to 55°13°) | 55°13° | 5% | 1 mph2 km/h from SW, gusts 4 mph7 km/h | 48% | 33% | 4 |
| Sun 4p | Partly sunny | 55°13° (likely 50°10° to 56°13°) | 55°13° | 5% | 2 mph3 km/h from SW, gusts 5 mph7 km/h | 45% | 42% | 3 |
| Sun 5p | Mostly cloudy | 54°12° (likely 48°9° to 56°13°) | 54°12° | 5% | 2 mph3 km/h from SSW, gusts 5 mph9 km/h | 48% | 43% | 1 |
| Sun 6p | Partly cloudy | 51°11° (likely 46°8° to 52°11°) | 51°11° | 10% | 3 mph5 km/h from SSE, gusts 7 mph11 km/h | 57% | 81% | 1 |
| Sun 7p | Cloudy | 47°8° (likely 42°6° to 49°9°) | 45°7° | 10% | 5 mph8 km/h from ESE, gusts 12 mph19 km/h | 68% | 80% | 0 |
| Sun 8p | Partly cloudy | 42°6° (likely 40°4° to 47°8°) | 38°3° | 5% | 6 mph10 km/h from ESE, gusts 11 mph18 km/h | 74% | 59% | 0 |
| Sun 9p | Cloudy | 41°5° (likely 37°3° to 46°8°) | 37°3° | 5% | 6 mph10 km/h from ESE, gusts 10 mph15 km/h | 75% | 69% | 0 |
| Sun 10p | Partly cloudy | 39°4° (likely 36°2° to 44°7°) | 37°3° | 5% | 3 mph5 km/h from ESE, gusts 8 mph12 km/h | 81% | 56% | 0 |
| Sun 11p | Partly cloudy | 37°3° (likely 35°2° to 42°6°) | 37°3° | 5% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 85% | 49% | 0 |
| Mon 12a | Partly cloudy | 36°2° (likely 34°1° to 43°6°) | 36°2° | 0% | 1 mph2 km/h from E, gusts 4 mph6 km/h | 87% | 74% | 0 |
| Mon 1a | Partly cloudy | 34°1° (likely 34°1° to 41°5°) | 34°1° | 0% | 1 mph2 km/h from E, gusts 3 mph5 km/h | 93% | 48% | 0 |
| Mon 2a | Partly cloudy | 33°1° (likely 33°1° to 40°4°) | 33°1° | 0% | 1 mph2 km/h from E, gusts 2 mph4 km/h | 96% | 54% | 0 |
| Mon 3a | Partly cloudy | 30°−1° (likely 30°−1° to 39°4°) | 30°−1° | 0% | 2 mph3 km/h from ESE, gusts 3 mph4 km/h | 98% | 70% | 0 |
| Mon 4a | Partly cloudy | 29°−2° (likely 29°−2° to 40°4°) | 29°−2° | 0% | 2 mph3 km/h from E, gusts 3 mph5 km/h | 100% | 73% | 0 |
| Mon 5a | Mostly cloudy | 29°−2° (likely 29°−2° to 40°4°) | 29°−2° | 0% | 1 mph2 km/h from E, gusts 3 mph5 km/h | 100% | 78% | 0 |
| Mon 6a | Partly cloudy | 26°−3° (likely 26°−3° to 40°4°) | 26°−3° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 100% | 80% | 0 |
| Mon 7a | Partly cloudy | 27°−3° (likely 27°−3° to 40°4°) | 27°−3° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 100% | 57% | 0 |
| Mon 8a | Partly sunny | 27°−3° (likely 27°−3° to 38°3°) | 27°−3° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 100% | 63% | 0 |
| Mon 9a | Mostly cloudy | 29°−2° (likely 29°−2° to 42°6°) | 29°−2° | 0% | 1 mph2 km/h from SE, gusts 3 mph5 km/h | 100% | 48% | 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, with a high near 53. South southeast wind around 3 mph.
Tonight: Areas of fog after 2am. Mostly clear. Low around 20, with temperatures rising to around 25 overnight. North wind around 3 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: Widespread fog before 11am. Mostly sunny, with a high near 55. West southwest wind around 2 mph.
Night: Partly cloudy, with a low around 24. East southeast wind 1 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
40% chance · 0.1 in0.3 cm
Overnight
midnight–6 AM
70% chance · 0.1 in0.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 55. South southeast wind 0 to 3 mph.
Night: A chance of rain showers before 9pm, then rain and snow showers between 9pm and 3am, then rain and snow showers. Mostly cloudy, with a low around 23. South wind 3 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
50% chance · 0.01 in0.4 mm
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow showers likely. Mostly cloudy, with a high near 45. Southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Night: A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
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: Partly sunny, with a high near 51.
Night: A slight chance of rain and snow showers after midnight. Partly cloudy, with a low around 21.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
40% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain and snow showers. Partly sunny, with a high near 54.
Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 25.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
50% chance · 0.2 in0.4 cm
Afternoon
noon–6 PM
50% chance · 0.08 in2.1 mm
Evening
6 PM–midnight
50% chance · 0.2 in0.4 cm
Overnight
midnight–6 AM
50% chance · 0.2 in0.6 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow showers likely. Mostly cloudy, with a high near 52.
Night: Rain and snow showers likely before midnight, then rain and snow showers likely. Mostly cloudy, with a low around 24. Little or no snow accumulation expected.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
50% chance · 0.2 in0.5 cm
Afternoon
noon–6 PM
40% chance · 0.2 in0.5 cm
Evening
6 PM–midnight
40% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
30% chance
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
20% chance · 0.4 in0.9 cm
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 · 0.6 in1.5 cm
Afternoon
noon–6 PM
20% chance · 0.3 in0.8 cm
Evening
6 PM–midnight
20% chance · 0.01 in0.3 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.
Dry, high 53°, low 20°.
Dry, high 55°, low 24°.
Dry, high 55°, low 23°.
Highs 38–54°; chance of precipitation on Tuesday, Friday, Saturday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (RIW) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 1.4 ft Sat 12 PM
Reading from Sat 8:30 AM · NWS gauge page
Forecast peak 5521 ft Mon 5 AM
Reading from Sat 8:30 AM · NWS gauge page
Forecast peak 4.8 ft Sat 12 PM
Reading from Sat 8:30 AM · NWS gauge page
Reading from Sat 7:45 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 75% 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 17 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 34°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 3°2° warmer than typical.
On average 7°4° warmer than normal (daily mean temperature).
South Park weather by month: normals, records, snow and freeze dates
Sunrise 7:48 AM, sunset 6:25 PM.
Clear 6:54 PM–7:20 AM, but the moon is 99% lit and up.
Waxing gibbous
97% lit · growing