ColoradoState outlook

Eight days at a glance

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Sunday, Nov 1, 2026

In parts of the state

Marginal Risk

1of 5
severe risk levels

The SPC outlook places parts of the state in a marginal risk of severe thunderstorms.

Across this outlook

The highest categorical risk in parts of the state is marginal risk on Nov 1

See the full outlook
Forecast product

Map source

Colorado outlook

SPC Day 1 outlook
Colorado and nearby states: SPC Day 1 outlook for Sunday, Nov 1, 2026. mySWO rendering of NOAA/SPC data.
mySWO map · NOAA/SPC outlook dataEnlarge map

Drawn from the same SPC outlook as the risk details on this page. Colorado has a pale background; surrounding land is gray. Risk colors remain visible across state borders.

About this map

Latest published outlook dataset. This is a mySWO rendering, not an official SPC graphic.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

Colorado outlook

Tornado
Colorado and nearby states: Tornado probability for Sunday, Nov 1, 2026. mySWO rendering of NOAA/SPC data.
mySWO map · NOAA/SPC outlook dataEnlarge map

Chance of a tornado within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

About this map

Latest published outlook dataset. This is a mySWO rendering, not an official SPC graphic.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

Colorado outlook

Wind
Colorado and nearby states: Severe wind probability for Sunday, Nov 1, 2026. mySWO rendering of NOAA/SPC data.
mySWO map · NOAA/SPC outlook dataEnlarge map

Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

About this map

Latest published outlook dataset. This is a mySWO rendering, not an official SPC graphic.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

Colorado outlook

Hail
Colorado and nearby states: Severe hail probability for Sunday, Nov 1, 2026. mySWO rendering of NOAA/SPC data.
mySWO map · NOAA/SPC outlook dataEnlarge map

Chance of hail at least 1 inch in diameter within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

About this map

Latest published outlook dataset. This is a mySWO rendering, not an official SPC graphic.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

National context

SPC Day 1 outlook
Original SPC Day 1 national outlook valid 2026-11-01, including the official legend and printed issuance.
NOAA / Storm Prediction CenterEnlarge map

A matching SPC state map is not yet available for this outlook. Showing the latest national map for context; the dated answer describes Colorado. The full official legend and issuance are preserved.

About this outlook

Latest published outlook dataset. The original official graphic and its printed legend are preserved.

Fetched
Nov 1, 2026, 3:46 AM CST
SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
View the official SPC source ↗

National context

Tornado
National SPC tornado probability for Sunday, Nov 1, 2026. National context, not a calculated probability for Colorado.
Official SPC graphic · National viewEnlarge map

Chance of a tornado within 25 miles of a point. This is a national SPC map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

About this outlook

Latest published outlook dataset. The original official graphic and its printed legend are preserved.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
View the official SPC source ↗

National context

Wind
National SPC severe wind probability for Sunday, Nov 1, 2026. National context, not a calculated probability for Colorado.
Official SPC graphic · National viewEnlarge map

Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. This is a national SPC map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

About this outlook

Latest published outlook dataset. The original official graphic and its printed legend are preserved.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
View the official SPC source ↗

National context

Hail
National SPC severe hail probability for Sunday, Nov 1, 2026. National context, not a calculated probability for Colorado.
Official SPC graphic · National viewEnlarge map

Chance of hail at least 1 inch in diameter within 25 miles of a point. This is a national SPC map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

About this outlook

Latest published outlook dataset. The original official graphic and its printed legend are preserved.

SPC issued
Nov 1, 2026, 1:07 AM CST
Valid from
Nov 1, 2026, 6:00 AM CST
Valid until
Nov 2, 2026, 6:00 AM CST
View the official SPC source ↗

Across Colorado

The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.

Arvada ↗No area shown
Aurora ↗No area shown
Boulder ↗No area shown
Centennial ↗No area shown
Denver ↗No area shown
Fort Collins ↗No area shown
Grand Junction ↗No area shown
Greeley ↗No area shown
Highlands Ranch ↗No area shown
Lakewood ↗No area shown
Longmont ↗No area shown
Pueblo ↗Thunderstorms
Thornton ↗No area shown
Westminster ↗No area shown

Available city pages for this published outlook; the state result covers the whole state.

The full eight-day outlook

Colorado · 2026

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Color has a meaning.

Five categories describe increasing severe weather risk. Thunderstorms sit outside that five-level scale. Extended outlooks use probability areas or a status for the day.

1MarginalRisk2SlightRisk3EnhancedRisk4ModerateRisk5HighRisk

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