A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >
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Emergency Management |
Contact NWS La Crosse via phone, radio, email at nws.lacrosse@noaa.gov, or NWSChat (online chat room) |
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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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Iowa Severe Weather Outlooks
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Minnesota Severe Weather Outlooks
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Wisconsin Severe Weather Outlooks
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Local Severe Weather Outlooks
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| Local Severe Weather Timing Guidance - TODAY | ||
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| Local Severe Weather Timing Guidance - TOMORROW | ||
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Regional Radar Imagery
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Regional Satellite 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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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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Snow & Ice Forecasts
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Expected Snowfall Official NWS Forecast |
Low End Snowfall Potential 90% Chance Snowfall Will Be Greater Than This |
High End Snowfall Potential 10% Chance Snowfall Will Be Greater Than This |
 Forecast Snowfall Probability Ranges By City |
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Expected Ice Accumulation Official NWS Forecast |
Low End Ice Accum Potential 90% Chance Icing Will Be Greater Than This |
High End Ice Accum Potential 10% Chance Icing Will Be Greater Than This |
 Probability of Snowfall Exceeding Certain Amounts |
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| Chance That Snow/Ice Amounts Over Next 72 Hours Will Be Greater Than Or Equal To... (More Details) | ||||||||
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| Hourly Precipitation Amounts By County | ||
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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)
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 Overall Impacts |
 Blowing Snow |
 Ice Accumulation |
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 Blowing Snow |
 Ice Accumulation |
 Snow Amount |
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 Blowing Snow |
 Ice Accumulation |
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National Outlooks
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Rivers / Precipitation
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| Flood Hazard Outlook (experimental) |
Significant River Flood Outlook |
NWS La Crosse River Monitor Webpage |
Current River Levels and Forecasts |
USGS River Gauge Webcams |
| Rainfall Information | ||||
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| 1-hour Estimated Precip | Storm Total Estimated Precip | Rainfall Last 24 Hours | Rainfall Last 7 Days | Rainfall Last 30 Days |
| Precipitation Forecasts - Discussion | |||||
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| Today | Tomorrow | Day 3 | Days 4-5 | Days 6-7 | Local 72-Hour Forecast |
| National Excessive Rainfall Outlooks - Discussion | ||||
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| Flash Flood Guidance (FFG) | ||||
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About Flash Flood Guidance (FFG):
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| 1 Hour Flash Flood Guidance | 3 Hour Flash Flood Guidance | 6 Hour Flash Flood Guidance | ||
| Drought Information - More Information | ||||
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| Midwest Drought Monitor (updated weekly) |
Midwest Drought Monitor Change From Previous Week |
U.S. Monthly Drought Outlook |
U.S. Seasonal Drought Outlook |
30-Day Observed Precipitation |
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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Other Hazard Outlooks
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Past Weather
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| Storm Reports Today | Storm Reports Yesterday | |
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| Monthly Avg. Temperature | Monthly Total Precipitation | |
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Reference Material
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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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