Outdoor conditions in

Johnstown

Wyoming
Freeze WarningFreeze Warning issued October 15 at 1:46AM MDT until October 16 at 9:00AM MDT by NWS Riverton WYOfficial NWS alert
Now
  1. 39°Sunny1% rain81% humidityGusts 23 mph
  2. 39°Sunny1% rain82% humidityGusts 23 mph
  3. 41°Sunny1% rain76% humidityGusts 23 mph
  4. 45°Sunny1% rain73% humidityGusts 21 mph
  5. 47°Sunny1% rain73% humidityGusts 23 mph
  6. 48°Sunny0% rain69% humidityGusts 16 mph
  7. 51°Sunny0% rain67% humidityGusts 12 mph
  8. 51°Sunny0% rain64% humidityGusts 9 mph
  9. 51°Sunny0% rain61% humidityGusts 12 mph
  10. 53°Sunny0% rain60% humidityGusts 12 mph
  11. 51°Sunny0% rain60% humidityGusts 13 mph
  12. 50°Mostly Clear0% rain59% humidityGusts 12 mph
  13. 47°Partly Cloudy0% rain70% humidityGusts 9 mph
  14. 42°Partly Cloudy0% rain75% humidityGusts 8 mph
  15. 40°Partly Cloudy0% rain76% humidityGusts 8 mph
  16. 39°Mostly Clear0% rain78% humidityGusts 8 mph
  17. 38°Mostly Clear0% rain78% humidityGusts 7 mph
  18. 37°Areas Of Frost0% rain78% humidityGusts 7 mph
  19. 35°Areas Of Frost0% rain82% humidityGusts 5 mph
  20. 34°Widespread Frost0% rain82% humidityGusts 7 mph
  21. 31°Widespread Frost0% rain82% humidityGusts 7 mph
  22. 31°Widespread Frost0% rain83% humidityGusts 7 mph
  23. 31°Widespread Frost0% rain83% humidityGusts 7 mph
  24. 29°Widespread Frost0% rain83% humidityGusts 3 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
3%
Humidity
59–82%
Wind
23 mph
Fri

Friday looks fairly quiet.

Rain
0%
Humidity
54–89%
Wind
7 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
39–68%
Wind
13 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
45–67%
Wind
13 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
38–70%
Wind
8 mph
  1. 53° / 38°Today looks fairly quiet.3% rain · Humidity 59–82% · Wind 23 mph
  2. 56° / 29°Friday looks fairly quiet.0% rain · Humidity 54–89% · Wind 7 mph
  3. 64° / 33°Saturday looks fairly quiet.0% rain · Humidity 39–68% · Wind 13 mph
  4. 61° / 37°Sunday looks fairly quiet.0% rain · Humidity 45–67% · Wind 13 mph
  5. 64° / 38°Monday looks fairly quiet.0% rain · Humidity 38–70% · Wind 8 mph

Environmental watch

Air quality + smoke

Air quality

Riverton area · Updated Thu 6:25 AM
6GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 6:45 AM

Air near ground6 · Good US AQI

Rain, in motion · Past four hours

Johnstown radar

An active official alert is in effect. Its affected area is described above the briefing.

Ready when you areSee what is moving toward Johnstown.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Sustained wind is 16 mph. Gusts may reach 23 mph.

Humidity
81%
Wind
16 mph
Gusts
23 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Riverton area, about 17 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Johnstown, WY, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.