A powerful storm system will continue to bring heavy mountain snow, rain, and high winds to the Pacific Northwest and northern California through midweek. Heavy rain and flash flooding potential exists across the central Gulf Coast over the next few days, including the Florida Panhandle. A Slight Risk (level 2 of 4) of excessive rainfall is in effect Tuesday. Read More >
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24-hr Obs Precip
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48-hr Obs Precip
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To Date Precip
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Monthly Precip
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Monthly Departure
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| Low End Amount | Expected Snowfall - Official Forecast | High End Amount |
| Greater/Equal 1" or more | Greater/Equal 2" or more | Greater/Equal 4" or more |
| Greater/Equal 6" or more | Greater/Equal 8" or more | Greater/Equal 12" or more |
| Day 1 Snow | Day 2 Snow |
| Day 3 Snow | Day 4 Snow |
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| Day 1 Highs | Day 2 Highs | Day 3 Highs |
| Day 4 Highs | Day 5 Highs | Day 6 Highs |
| Day 1 Lows | Day 2 Lows | Day 3 Lows |
| Day 4 Lows | Day 5 Lows | Day 6 Lows |
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| Day 1 Peak Gusts | Day 2 Peak Gusts | Day 3 Peak Gusts |
| Day 4 Peak Gusts | Day 5 Peak Gusts | Day 6 Peak Gusts |
| Day 1 Peak Sustained Winds | Day 2 Peak Sustained Winds | Day 3 Peak Sustained Winds |
| Day 4 Peak Sustained Winds | Day 5 Peak Sustained Winds | Day 6 Peak Sustained Winds |
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| Day 1 Min RH | Day 2 Min RH | Day 3 Min RH |
| Day 4 Min RH | Day 5 Min RH | Day 6 Min RH |
| Day 1 Max RH | Day 2 Max RH | Day 3 Max RH |
| Day 4 Max RH | Day 5 Max RH | Day 6 Max RH |
| LAL Day 1 | LAL Day 2 | LAL Day 3 |
| LAL Night 1 | LAL Night 2 | LAL Night 3 |
| Mixing Height Day 1 | Mixing Height Day 2 | Mixing Height Day 3 |
| Mixing Height Night 1 | Mixing Height Night 2 | Mixing Height Night 3 |
| Chance of Wetting Rain Day 1 | Chance of Wetting Rain Day 2 | Chance of Wetting Rain Day 3 |
| Chance of Wetting Rain Night 1 | Chance of Wetting Rain Night 2 | Chance of Wetting Rain Night 3 |
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| Day 1 Percent of Sunshine Possible | Day 2 Percent of Sunshine Possible | Day 3 Percent of Sunshine Possible |
| Day 4 Percent of Sunshine Possible | Day 5 Percent of Sunshine Possible | Day 6 Percent of Sunshine Possible |
| Day 1 Hours of Sunshine | Day 2 Hours of Sunshine | Day 3 Hours of Sunshine |
| Day 4 Hours of Sunshine | Day 5 Hours of Sunshine | Day 6 Hours of Sunshine |
The Daily Dispersion Outlook is available here: https://forecast.weather.gov/product.php?site=pdt&issuedby=PDT&product=DDO.
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| 0-hr Forecast Ventilation Category | 6-hr Forecast Ventilation Category | 12-hr Forecast Ventilation Category |
| 18-hr Forecast Ventilation Category | 24-hr Forecast Ventilation Category | 30-hr Forecast Ventilation Category |
| 36-hr Forecast Ventilation Category | 42-hr Forecast Ventilation Category | 48-hr Forecast Ventilation Category |
| 54-hr Forecast Ventilation Category | 60-hr Forecast Ventilation Category | 66-hr Forecast Ventilation Category |
| 72-hr Forecast Ventilation Category | 78-hr Forecast Ventilation Category | 84-hr Forecast Ventilation Category |
NWS Links and Resources:
Mountain Snowpack Information from the NRCS:
| OR SNOTEL Current SWE % of Normal | WA SNOTEL Current SWE % of Normal |
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Understanding NWS HeatRisk
NWS HeatRisk Prototype Main Page
| Day 1 NWS HeatRisk | Day 2 NWS HeatRisk | Day 3 NWS HeatRisk |
| Day 4 NWS HeatRisk | Day 5 NWS HeatRisk | Day 6 NWS HeatRisk |
The guidance provided below is from the National Blend of Models (NBM). The NBM is a nationally consistent and skillful suite of calibrated forecast guidance based on a blend of both NWS and non-NWS numerical weather prediction model data and post-processed model guidance. These guidance are provided as is, are experimental, and may not be current. Please see the official NWS forecast and watches, warnings, and advisories when making decisions impacted by weather. Additional guidance is available from https://blend.mdl.nws.noaa.gov/.
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Probability of max wind speed exceeding 20 mph in 24-hour period
| Day 1 - 20 mph Threshold | Day 2 - 20 mph Threshold | Day 3 - 20 mph Threshold |
| Day 4 - 20 mph Threshold | Day 5 - 20 mph Threshold | Day 6 - 20 mph Threshold |
Probability of max wind speed exceeding 25 mph in 24-hour period
| Day 1 - 25 mph Threshold | Day 2 - 25 mph Threshold | Day 3 - 25 mph Threshold |
| Day 4 - 25 mph Threshold | Day 5 - 25 mph Threshold | Day 6 - 25 mph Threshold |
Probability of max wind gust exceeding 25 mph in 24-hour period
| Day 1 - 25 mph Threshold | Day 2 - 25 mph Threshold | Day 3 - 25 mph Threshold |
| Day 4 - 25 mph Threshold | Day 5 - 25 mph Threshold | Day 6 - 25 mph Threshold |
Probability of max wind gust exceeding 55 mph in 24-hour period
| Day 1 - 55 mph Threshold | Day 2 - 55 mph Threshold | Day 3 - 55 mph Threshold |
| Day 4 - 55 mph Threshold | Day 5 - 55 mph Threshold | Day 6 - 55 mph Threshold |
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