Sheridan, WY · Wyoming

Sheridan, WY Pollen Count Today

View today's allergy index, primary allergen, weather context, tree, grass, and weed pollen levels, plus the 5-day pollen forecast for Sheridan.

Primary trigger: OakRising13 mph wind

Today's pollen count in Sheridan

Today in Sheridan, Wyoming, the forecasted pollen level is moderate with an allergy index of 3. The primary allergen is Oak. Use the forecast below to see whether conditions are likely to rise, ease, or stay steady over the next few days.

AllergyAva shows forecasted pollen levels and allergy risk estimates for Sheridan. Actual exposure can vary by neighborhood, weather, and time outdoors.

Current level
Moderate
Allergy index
3
Main allergen
Oak
Tomorrow
Very High

Tomorrow rises to very high with an index of 5.

Pollen Level

Moderate Risk
3

Pollen Index

Primary Allergen

Oak

Consider taking antihistamines before heading outside. Keep windows closed.

81°

Temp

54%

Humidity

13

Wind mph

Weather-allergy synergy

Why conditions feel this way today

Sheridan's current moderate reading is mainly tied to oak. Conditions look most manageable when wind is lighter and outdoor exposure is shorter.

Temp
81°F
Humidity
54%
Wind
13 mph
Rain chance
13%

24-hour allergy risk curve

Best outdoor window today in Sheridan

Planning estimate
12 AM: Moderate3 AM: Moderate6 AM: High8 AM: High10 AM: High12 PM: High3 PM: High6 PM: Moderate9 PM: Moderate11 PM: Moderate

Better

Lower-wind windows when dust and pollen are less mobile.

Avoid

Open areas during breezy afternoon periods.

Extra caution

Wind can make a moderate pollen day feel more irritating.

Data confidence

Pollen source: fallback pollen estimate

Weather source: estimated weather

Pollen updated: June 28, 2026 at 3:40 PM ET

Weather updated: June 28, 2026 at 3:40 PM ET

Pollen can vary by neighborhood, vegetation, wind, recent rainfall, and time outdoors.

Check pollen in another city or ZIP code

5-Day Pollen Forecast

Best day this week

Thu - None

Worst day this week

Wed - Very High

Today
82°/53°
1
Very Low
Tree3
Grass0
Weed0
Tomorrow
69°/58°
5
Very High
Tree4
Grass0
Weed0
Tue
68°/49°
3
Moderate
Tree2
Grass0
Weed0
Wed
68°/51°
5
Very High
Tree3
Grass0
Weed0
Thu
86°/49°
0
None
Tree3
Grass0
Weed0
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Oak
Moderate
Birch
Moderate
Maple
Very Low
Cedar
Very Low

City allergy guide

Sheridan allergy profile

Today's risk+

Sheridan allergy conditions are shaped by local weather, seasonal vegetation, and short-term changes in wind, rain, humidity, and temperature. Tree pollen is usually more important in spring, grass pollen often builds from late spring into summer, and weed pollen can become more noticeable later in the year.

Use today's pollen index alongside the 5-day forecast to plan commutes, outdoor exercise, yard work, and window-open time in Sheridan. Conditions can still vary by neighborhood, nearby plants, and time spent outdoors.

Sheridan's current moderate reading is mainly tied to oak. Conditions look most manageable when wind is lighter and outdoor exposure is shorter.

Seasonal guide+

Spring

Tree pollen

Often drives early-season symptoms

Late spring to summer

Grass pollen

Can rise around lawns, parks, and open areas

Late summer to fall

Ragweed/weed pollen

Major fall allergy trigger

Varies

Mold spores

Often affected by moisture and decaying leaves

Treatment and planning tips+

Track the forecast

Check Sheridan pollen levels daily during active allergy periods.

Reduce indoor exposure

Keep windows closed on high-pollen days and use HVAC or HEPA filtration when appropriate.

Plan medication timing

Follow your clinician's or product-label instructions, especially before your usual peak season.

Sheridan seasonal pollen calendar

Tree pollen

In season now

Spring

Often drives early-season symptoms

Grass pollen

In season now

Late spring to summer

Can rise around lawns, parks, and open areas

Ragweed/weed pollen

Late summer to fall

Major fall allergy trigger

Mold spores

Varies

Often affected by moisture and decaying leaves

Common pollen triggers around Sheridan

TriggerTypical seasonWhat to know
Tree pollenSpringOften drives early-season symptoms
Grass pollenLate spring to summerCan rise around lawns, parks, and open areas
Ragweed/weed pollenLate summer to fallMajor fall allergy trigger
Mold sporesVariesOften affected by moisture and decaying leaves

Frequently asked questions about pollen in Sheridan

What is the pollen count in Sheridan today?

Today in Sheridan, Wyoming, the pollen level is moderate with an allergy index of 3. The main allergen to watch is Oak.

When is allergy season in Sheridan, Wyoming?

Allergy season in Sheridan, Wyoming can vary by allergen and weather conditions. Tree pollen often rises in spring, grass pollen becomes more active in late spring and summer, and weed pollen can remain elevated later in the year depending on local climate and vegetation.

How often should I check the pollen forecast in Sheridan?

If you have seasonal allergies in Sheridan, it is helpful to check the pollen forecast daily during peak allergy periods. Shifts in wind, rainfall, temperature, and humidity can all change local pollen exposure from one day to the next.

What pollen types affect people in Sheridan, Wyoming?

Sheridan residents may be affected by tree pollen, grass pollen, and weed pollen during different parts of the year. The strongest trigger depends on the season, nearby vegetation, and current weather conditions.