A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >
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Schools / Colleges / Universities |
Contact NWS La Crosse via phone, email at nws.lacrosse@noaa.gov, or NWSChat (online chat room) |
| Click anywhere on the map for the forecast. Turn the various weather parameters "on and off" using the display options at right. Hover over a highlighted area to see the hazard. |
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Hourly Forecast Forecast Discussion Current Conditions Regional Hazards Storm Reports DSS Packet Hazardous Weather Outlook (Text) Hazardous Weather Outlook (Graphical) |
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National Severe Weather Outlooks (Explanation of Risk Categories)
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Local Severe Weather Outlooks
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Regional Radar Imagery
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Temperature Forecasts
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Wind Forecasts
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Heat Index / Wet Bulb Globe Temperature Forecasts
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| Today's Forecast Wet Bulb Globe Temp | Forecast MAXIMUM Wet Bulb Globe Temp | |||||||
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| Heat Index & Wet Bulb Globe Temperature Resources | |||||
Heat Index Chart Note: Exposure to full sunshine can increase heat index values by up to 15°F. |
WBGT General Guidance Note: WBGT is NOT directly comparable to temperature or heat index scales. |
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Wind Chill Forecasts (Available October - April)
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Wind Chill Calculator:
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Winter Road Conditions
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Disclaimer:
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Snow & Ice Forecasts
| Official NWS Snow & Ice Forecasts (More Details) | Snow Amount Probabilities By City | |||||
 Snow Forecast |
 Ice Forecast |
 Snowfall Range Probabilities |
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| Percent Chance That Snow Amounts Will Be Greater Than or Equal To... (More Details) | |||||||
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| 6-Hour Forecast Snowfall Amounts and Snow Character (Dry vs. Wet) | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Hourly Precipitation Amounts By County | ||
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Winter Hazard Outlooks (Full Hazard Dashboard)
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Snow / Sleet Outlooks - Legend
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Ice Outlooks - Legend
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Snow and Sleet Legend
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Risk Level
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Hazard
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Impacts/Actions
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None
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None
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< 1" of snow or sleet
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Limited
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1 to 3 inches
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Locally hazardous travel conditions on bridges, overpasses, and untreated or secondary roads
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Elevated
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3 to 6 inches
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Be prepared to reduce travel speed for hazardous travel conditions - especially on bridges, overpasses, untreated and secondary roads
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Significant
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6 to 12 inches
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Plan for hazardous travel conditions. Avoid travel if possible
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Extreme
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12 or more inches
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Travel will be dangerous and may be impossible. Avoid travel unless it is an emergency
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Ice Accumulation Legend
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Risk Level
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Hazard
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Impacts/Actions
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None
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None
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No freezing rain or drizzle
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Limited
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Very light freezing rain or drizzle with up to a thin glaze, or freezing fog
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Locally hazardous travel conditions on bridges, overpasses, and untreated or secondary roads
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Elevated
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Freezing rain or drizzle with accumulation less than 1/4 inch
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Be prepared to reduce travel speed for hazardous travel conditions - especially on bridges, overpasses, untreated and secondary roads
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Significant
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Freezing rain with accumulation of 1/4 to less than 1 inch
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Plan for hazardous travel conditions. Power lines and trees may be damaged resulting in localized to scattered power outages. Avoid travel if possible and prepare for possible power outages
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Extreme
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Freezing rain with accumulation of greater than or equal to 1 inch
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Travel will be dangerous and may be impossible. Power lines and trees likely damaged resulting in widespread power outages. Avoid travel unless it is an emergency and prepare for extended power outages
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Winter Storm Severity Index (More Details)
| Today | |||||||
 Overall Impacts |
 Blowing Snow |
 Flash Freeze |
 Ground Blizzard |
 Ice Accumulation |
 Snow Amount |
 Snow Load |
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 Overall Impacts |
 Blowing Snow |
 Flash Freeze |
 Ground Blizzard |
 Ice Accumulation |
 Snow Amount |
 Snow Load |
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| Day 3 | |||||||
 Overall Impacts |
 Blowing Snow |
 Flash Freeze |
 Ground Blizzard |
 Ice Accumulation |
 Snow Amount |
 Snow Load |
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National Outlooks
| Snow Outlooks (Probability for greater than 4") | Ice Outlooks (Probability for greater than 1/10") | |||||||||
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| Extended Outlooks (Probability for impactful winter weather) | |||
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Additional Forecasts
| Weather Maps (Animation) | Forecast Radar (HRRR Model) | |
Next 48 hrs |
NOTE: This is model data and may not reflect current forecast |
Week 2-4 Outlooks
| 6-10 Day Temp & Precip Outlook | 8-14 Day Temp & Precip Outlook | Weeks 3-4 Temp & Precip Outlook | |||||
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Hazard Outlooks
| Potential Hazards: Days 3-7 | Potential Hazards: Days 8-14 | |||||||||||
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Informational Links
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Contact NWS La Crosse if you have any questions or need additional details: Send email or call 608-784-7294 |
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